RVT 355 DC - Air conditioner REMKO - Free user manual and instructions
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| Product Type | Wall-mounted split air conditioner (cooling and heating) |
| Model | REMKO RVT 355 DC |
| Indoor Unit Dimensions (H x W x D) | 298 x 895 x 248 mm |
| Indoor Unit Weight | 13 kg |
| Outdoor Unit Dimensions (H x W x D) | 554 x 800 x 333 mm |
| Outdoor Unit Weight | 36.4 kg |
| Power Supply | 230 V / 1 Ph / 50 Hz |
| Nominal Cooling Capacity | 3.52 kW (1.03 - 4.81 kW) |
| Nominal Heating Capacity | 4.24 kW (0.75 - 7.19 kW) |
| Energy Efficiency Class (Cooling) | A+++ |
| Energy Efficiency Class (Heating) | A+++ |
| Refrigerant Type | R32 (GWP 675) |
| Refrigerant Charge (Basic) | 0.87 kg |
| Max. Airflow (Indoor Unit) | 590 m³/h |
| Sound Pressure Level (Indoor, Low/High) | 28 - 40 dB(A) |
| Sound Power Level (Outdoor) | 61 dB(A) |
| Operating Temperature Range (Cooling) | -25°C to +50°C |
| Operating Temperature Range (Heating) | -30°C to +30°C |
| Max. Refrigerant Piping Length | 25 m |
| Max. Height Difference (Outdoor above Indoor) | 10 m |
| Condensate Drain Connection | 18 mm |
| Enclosure Class (Indoor/Outdoor) | IPX0 / IP24 |
| Key Features | Inverter technology, remote control, multiple operating modes (Auto, Cool, Heat, Dry, Fan), timer, turbo, eco mode, follow me, Intelligent Eye, self-clean, BioClean |
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USER MANUAL RVT 355 DC REMKO
Operating and installation instructions
REMKO RVT series
Wall units - cooling and heating
RVT 265 DC, RVT 355 DC
natural_image
White wall-mounted air conditioner unit with black grille and ventilation slots (no text or symbols visible)Read these operating instructions carefully before commissioning / using this device!
These instructions are an integral part of the system and must always be kept near or on the device.
Subject to modifications; No liability accepted for errors or misprints!
Translation of the original
Table of contents
1 Safety and usage instructions.... 5
1.1 General safety notes.... 5
1.2 Identification of notes.... 5
1.3 Personnel qualifications.... 5
1.4 Dangers of failure to observe the safety notes.... 5
1.5 Safety-conscious working.... 6
1.6 Safety instructions for the operator.... 6
1.7 Safety notes for installation, maintenance and inspection 6
1.8 Unauthorised modification and changes.... 7
1.9 Intended use.... 7
1.10 Warranty....7
1.11 Transport and packaging....7
1.12 Environmental protection and recycling.... 8
2 Technical data....9
2.1 Unit data....9
2.2 Unit dimensions.... 11
2.3 Performance data.... 12
3 Design and function.... 16
3.1 Characteristics of REMKO inverter air conditioner with split design.... 16
3.2 Unit description.... 18
4 Operation.... 19
4.1 General notes.... 19
4.2 Indicators on indoor unit.... 19
4.3 Keys on the remote control.... 20
5 Installation instructions for qualified personnel.... 28
5.1 Important notes prior to installation.... 28
5.2 Wall openings.... 28
5.3 Installation materials.... 28
5.4 Layout, indoor unit 28
5.5 Installation, mounting outdoor unit.... 29
5.6 Minimum clearances.... 31
5.7 Connection variants for the indoor unit.... 31
5.8 Oil return measures.... 32
5.9 Connection of the indoor unit when the refrigerant piping is installed under the plaster.... 33
5.10 Wall bracket of the indoor units.... 33
6 Installation.... 34
6.1 Installation of the indoor unit.... 34
6.2 Connecting the refrigerant piping.... 35
6.3 Additional notes on connecting the refrigerant piping.... 37
6.4 Leak testing.... 37
6.5 Adding refrigerant.... 38
7 Condensate drainage connection and safe drainage.... 38
8 Electrical wiring.... 40
8.1 General Information.... 40
8.2 Connecting the indoor unit.... 40
8.3 Connecting the outdoor unit.... 41
REMKO RVT series
8.4 Electrical wiring diagram.... 41
8.5 Electrical drawings.... 43
8.6 Connection of a superordinate controller 45
9 Before commissioning.... 47
10 Commissioning.... 47
11 Troubleshooting, fault analysis and customer service.... 49
11.1 Troubleshooting and customer service.... 49
11.2 Indoor unit fault analysis.... 51
11.3 Resistances of the temperature probes.... 62
12 Care and maintenance.... 65
13 Shutdown.... 67
14 Exploded view and spare parts lists.... 68
14.1 Exploded view of indoor unit RVT 265-355 DC IT.... 68
14.2 Spare parts list for the indoor unit RVT 265-355 DC IT.... 69
14.3 Exploded view of the outdoor units RVT 265-355 DC AT....70
14.4 Spare parts list for outdoor units RVT 265-355 DC AT.... 71
15 Index....72
1 Safety and usage instructions
1.1 General safety notes
Carefully read the operating manual before commissioning the units or their components for the first time. It provides useful tips and notes such as hazard warnings to prevent injury and material damage. Failure to follow the directions in this manual can endanger persons, the environment and the equipment itself or its components and will void any claims for liability.
Store this manual and the information required for the operation of this system (e.g. refrigerant data-sheet) in the vicinity of the unit.
The refrigerant used in the system is flammable. If applicable, observe the local safety conditions.
Warning of inflammable substances!
1.2 Identification of notes
This section provides an overview of all important safety aspects for proper protection of people and safe and fault-free operation. The instructions and safety notes contained within this manual must be observed in order to prevent accidents, personal injury and material damage.
Notes attached directly to the units must be observed in their entirety and be kept in a fully legible condition.
Safety notes in this manual are indicated by symbols. Safety notes are introduced with signal words which help to highlight the magnitude of the danger in question.
DANGER!
Contact with live parts poses an immediate danger of death due to electric shock. Damage to the insulation or individual components may pose a danger of death.
DANGER!
This combination of symbol and signal word warns of a situation in which there is immediate danger, which if not avoided may be fatal or cause serious injury.
WARNING!
This combination of symbol and signal word warns of a potentially hazardous situation, which if not avoided may be fatal or cause serious injury.
CAUTION!
This combination of symbol and signal word warns of a potentially hazardous situation, which if not avoided may cause injury or material and environmental damage.
NOTICE!
This combination of symbol and signal word warns of a potentially hazardous situation, which if not avoided may cause material and environmental damage.
This symbol highlights useful tips and recommendations as well as information for efficient and fault-free operation.
1.3 Personnel qualifications
Personnel responsible for commissioning, operation, maintenance, inspection and installation must be able to demonstrate that they hold a qualification which proves their ability to undertake the work.
1.4 Dangers of failure to observe the safety notes
Failure to observe the safety notes may pose a risk to people, the environment and the units. Failure to observe the safety notes may void any claims for damages.
REMKO RVT series
In particular, failure to observe the safety notes may pose the following risks:
The failure of important unit functions.
The failure of prescribed methods of maintenance and repair.
- Danger to people on account of electrical and mechanical effects.
1.5 Safety-conscious working
The safety notes contained in this manual, the existing national regulations concerning accident prevention as well as any internal company working, operating and safety regulations must be observed.
1.6 Safety instructions for the operator
The operational safety of the units and components is only assured providing they are used as intended and in a fully assembled state.
The units and components may only be set up, installed and maintained by qualified personnel.
- Protective covers (grills) over moving parts must not be removed from units that are in operation.
- Do not operate units or components with obvious defects or signs of damage.
- Contact with equipment parts or components can lead to burns or injury.
The units and components must not be exposed to any mechanical load, extreme levels of humidity or extreme temperatures.
Rooms in which refrigerant may escape shall be adequately aerated and ventilated. Otherwise, a risk of suffocation or fire exists.
- Do not leave children unsupervised when close to the system.
Commissioning must be performed by authorised specialists exclusively. Deficient commissioning may lead to water leaks, electric shocks or fire. Commissioning must take place as described in the user manual.
- Only instruct authorised specialist personnel to perform maintenance or servicing.
The system is filled with a flammable refrigerant. Never thaw any frozen unit components independently!
Do not operate any further devices that produce high heat or naked flames in the same room.
All housing parts and unit openings, e.g. air inlets and outlets, must be kept clear.
The units must be inspected by a service technician to ensure that they are safe to use and fully functional at least once yearly. Visual inspections and cleaning may be performed by the operator when the units are disconnected from the mains.
1.7 Safety notes for installation, maintenance and inspection
The refrigerant R32 used in the system is flammable. If applicable, observe the local safety conditions.
- Keep the cooling circuit clear of other gases and foreign substances. Only fill the cooling circuit with the refrigerant R32.
Only use the accessories, components and appropriately marked parts provided. The use of non-standardised components may result in water leaks, electric shocks and fire.
Only install and store the units in rooms larger than 4 m^2 . With a failure to comply, leaks may result in the room filling with a flammable mixture!
The minimum room size of 4 m^2 required for installation and storage pertains to the basic fill quantity of the unit. This varies according to the installation type and total fill quantity of the system. The calculation must take place in accordance with valid DIN standards. Make sure that the installation site is suitable for safe unit operation.
- Only mount the unit components on structurally suitable brickwork.
The units must not be installed in rooms in which further devices that produce heat are operated (heaters, open hearths).
■ Make sure the installation room is sufficiently ventilated.
Interventions in the cooling circuit are only possible after completely draining the refrigerant. Never solder or grind unit components!
Note that refrigerant may be odourless.
- Never operate the air conditioning unit in a humid room, such as a bathroom or laundry room. If the humidity is too high, this can cause short circuits on electrical parts.
The product must be correctly earthed at all times, otherwise it may induce electric shocks.
- Attach the condensate drain as described in the operating manual. The inadequate drainage of condensate can lead to water damage in your apartment.
All persons who intervene in the cooling circuit must hold a valid certificate from the chamber of industry and commerce, which confirms their ability to work with refrigerant.
■ Appropriate hazard prevention measures must be taken to prevent risks to people when performing installation, repair, maintenance or cleaning work on the units.
The setup, connection and operation of the units and its components must be undertaken in accordance with the usage and operating conditions stipulated in this manual and comply with all applicable regional regulations.
■ Regional regulations and laws as well as the Water Ecology Act must be observed.
The power supply should be adapted to the requirements of the units.
Units may only be mounted at the points provided for this purpose at the factory. The units may only be secured or mounted on stable structures, walls or floors.
The units and components should not be operated in areas where there is a heightened risk of damage. Observe the minimum clearances.
The units and components must be kept at an adequate distance from flammable, explosive, combustible, abrasive and dirty areas or atmospheres.
■ Safety devices may not be modified or bypassed.
The connection of the indoor unit must be established as a permanent connection; a detachable, reusable connection is not permissible.
1.8 Unauthorised modification and changes
Modifications or changes to units and components are not permitted and may cause malfunctions. Safety devices may not be modified or bypassed. Original replacement parts and accessories authorised by the manufactured ensure safety. The use of other parts may invalidate liability for resulting consequences.
1.9 Intended use
Depending on the model, the units and the additional fittings with which they are equipped are only intended to be used as an air-conditioner for the purpose of cooling or heating the air in an enclosed space.
Any different or additional use is a non-intended use. The manufacturer/supplier assumes no liability for damages arising from a non-intended use. The user bears the sole risk in such cases. Intended use also includes working in accordance with the operating and installation instructions and complying with the maintenance requirements.
The threshold values specified in the technical data must not be exceeded.
1.10 Warranty
For warranty claims to be considered, it is essential that the ordering party or its representative complete and return the "certificate of warranty" to REMKO GmbH & Co. KG at the time when the units are purchased and commissioned.
The warranty conditions are detailed in the "General business and delivery conditions". Furthermore, only the parties to a contract can conclude special agreements beyond these conditions. In this case, contact your contractual partner in the first instance.
1.11 Transport and packaging
The devices are supplied in a sturdy shipping container. Please check the equipment immediately upon delivery and note any damage or missing parts on the delivery and inform the shipper and your contractual partner. For later complaints can not be guaranteed.
WARNING!
Plastic films and bags etc. are dangerous toys for children!
Why:
- Leave packaging material are not around.
- Packaging material may not be accessible to children!
REMKO RVT series
1.12 Environmental protection and recycling
Disposal of packaging
All products are packed for transport in environmentally friendly materials. Make a valuable contribution to reducing waste and sustaining raw materials. Only dispose of packaging at approved collection points.
Disposal of equipment and components
Only recyclable materials are used in the manufacture of the devices and components. Help protect the environment by ensuring that the devices or components (for example batteries) are not disposed in household waste, but only in accordance with local regulations and in an environmentally safe manner, e.g. using certified firms and recycling specialists or at collection points.
2 Technical data
2.1 Unit data
| Series RVT 265 DC RVT 355 DC | |||
| Operating mode | Inverter wall-mounted room air conditioner com-bination for cooling and heating | ||
| Nominal cooling output1) | kW | 2.63 (0.99-4.15) 3.52 | (1.03-4.81) |
| Energy efficiency ratio SEER1) | 9.2 9.0 | ||
| Rated power consumption, electrical cooling1) | kW | 0.483 0.75 | |
| Rated elec. curr. consump., cooling1) | A | 2.1 3.3 | |
| Power consumption, annual, QCE3) | kWh 102 137 | ||
| Energy efficiency ratio, cooling1) | A+++ | ||
| Nominal heat capacity2) | kW | 4.10 (0.75-6.99) 4.24 | (0.75-7.19) |
| Energy efficiency ratio SCOP4) | 5.3 | ||
| Rated power consumption, electrical heating2) | kW | 0.834 0.943 | |
| Rated elec. curr. consump., heating2) | A | 3.6 4.1 | |
| Power consumption, annual, QHE3) | kWh 643 647 | ||
| Energy efficiency ratio, heating2) | A+++ | ||
| Max. power consumption kW 2.42 | 3.11 | ||
| Max. current consumption A 10 | 13 | ||
| EDP no. | 1623750 | 1623760 | |
| Data specific to indoor unit (IT) | RVT 265 DC RVT 355 DC | ||
| Application area (room volume), approx. | m^3 | 80 100 | |
| Adjustment range, room temperature | °C | +16 to +32 | |
| Operating range | °C | +16 to +30 | |
| Air flow volume per stage | m^3/h | 285/380/430/500/565 | 310/380/450/530/590 |
| Sound pressure level per stage^5) | dB (A) | 23/26/29/33/38 | 28/31/34/37/40 |
| Sound pressure level, Silent/Turbo mode^5) | dB (A) | 22 | 21 |
| Sound power level max. | dB(A) 58 | 59 | |
| Enclosure class | IP | X0 | |
| Condensate drainage connection | mm | 18 | |
| Dimensions: H/W/D | mm | 298/895/248 | |
| Weight | kg | 13 | |
| EDP no. | 1623752 | 1623762 | |
REMKO RVT series
| Data specific to outdoor unit (AT) RVT 265 DC RVT 355 DC | |||
| Power supply V/Ph/Hz 230/1~/50 | |||
| Operating range, cooling °C -25 to +50 | |||
| Operating range, heating °C -30 to +30 | |||
| Air flow rate, max. | m^3/h | 2000 | |
| Enclosure class IP 24 | |||
| Sound power level max. dB (A) 59 61 | |||
| Sound pressure level ^5) | dB (A) 57 | ||
| Refrigerant ^6) | R32 | ||
| Refrigerant, basic quantity kg 0.87 | |||
| CO_2 equivalent t | 0.58 | ||
| Operating pressure, max. kPa | 4300/1700 | ||
| Refrigerant, additional quantity >5m g/m | 20 | ||
| Refrigerant piping, max. length | m | 25 | |
| Refrigerant piping, max. height | m | 10 | |
| Refrigerant connectionLiquid line | Inches(mm) | 1/4 (6.35) | |
| Refrigerant connectionSuction pipe | Inches(mm) | 3/8 (9.52) | |
| Dimensions: H/W/D | mm | 554/800/333 | |
| Weight | kg 36.4 | ||
| EDP no. | 1623751 | 1623761 | |
^1) Air inlet temp. TK 27 °C/FK 19 °C, outside temperature TK 35 °C, FK 24 °C, max. air flow volume, 5 m pipe length
^2) Air inlet temp. TK 20 °C, outside temperature TK 7 °C, FK 6 °C, max. air flow volume, 5 m pipe length
^3) The specified value is based on results from standard testing. The actual consumption depends on the use and location of the unit
^4) The specified value is based on the average heating period
^5) At distance of 1 m in the open air; specified values are maximum values
6) Contains greenhouse gas per the Kyoto protocol, GWP 675 (for further information, see chapter "Adding refrigerant")
2.2 Unit dimensions
Outdoor units
Measurements (mm) A B C D E
RVT 265-355 DC AT 800 487 333 554 300
Indoor units
Measurements (mm) A B C
RVT 265-355 DC 298 895 248
We reserve the right to modify the dimensions and design as part of the ongoing technical development process.
REMKO RVT series
2.3 Performance data
Cooling capacity RVT 265 DC
| Inside | Outside temperature (TK, °C) | |||||||||
| 20 25 30 | ||||||||||
| Cooling capacity (A = Total, B = Sensitive, C = Power consumption) | ||||||||||
| TK FK | A B C A | B C A B C | ||||||||
| °C °C | kW kW | kW kW | kW kW | kW kW | ||||||
| 20 14 | 2.71 2.11 | 0.37 2.59 | 2.07 0.40 | 2.48 2.03 | 0.43 | |||||
| 22 16 | 2.85 2.18 | 0.37 2.73 | 2.14 0.40 | 2.61 2.10 | 0.44 | |||||
| 25 18 | 3.00 2.25 | 0.37 2.87 | 2.21 0.41 | 2.74 2.17 | 0.44 | |||||
| 27 19 | 3.06 2.27 | 0.38 2.93 | 2.23 0.41 | 2.80 2.18 | 0.44 | |||||
| 30 22 | 3.28 2.38 | 0.38 3.14 | 2.34 0.41 | 2.99 2.29 | 0.45 | |||||
| 32 24 | 3.40 2.43 | 0.38 3.25 | 2.39 0.42 | 3.11 2.35 | 0.45 | |||||
| Inside | Outside temperature (TK, °C) | ||||||
| 35 40 | |||||||
| Cooling capacity (A = Total, B = Sensitive, C = Power consumption) | |||||||
| TK FK A B C A B C | |||||||
| °C | °C | kW | kW | kW | kW | kW | kW |
| 20 | 14 | 2.33 | 1.96 | 0.47 | 2.29 | 1.97 | 0.50 |
| 22 | 16 | 2.46 | 2.03 | 0.48 | 2.41 | 2.04 | 0.51 |
| 25 | 18 | 2.59 | 2.10 | 0.48 | 2.54 | 2.10 | 0.51 |
| 27 | 19 | 2.64 | 2.11 | 0.48 | 2.59 | 2.12 | 0.52 |
| 30 | 22 | 2.82 | 2.22 | 0.49 | 2.77 | 2.23 | 0.52 |
| 32 | 24 | 2.93 | 2.27 | 0.49 | 2.87 | 2.28 | 0.52 |
Heating capacity RVT 265 DC
| Inside | Outside temperature (TK, °C) | |||||||
| -25 -20 -15 -10 | ||||||||
| Heating capacity (A = Total, B = Sensitive, C = Power consumption) | ||||||||
| TK A C A C A C A C | ||||||||
| °C kW kW kW kW kW kW | ||||||||
| 15 2.62 | 1.58 2.98 | 1.64 3.59 | 1.66 3.76 | 1.57 | ||||
| 18 2.58 | 1.60 2.94 | 1.67 3.54 | 1.68 3.71 | 1.59 | ||||
| 20 2.54 | 1.63 2.89 | 1.69 3.49 | 1.71 3.65 | 1.62 | ||||
| 22 2.49 | 1.64 2.83 | 1.71 3.42 | 1.73 3.58 | 1.63 | ||||
| 24 2.47 | 1.66 2.81 | 1.73 3.38 | 1.74 3.54 | 1.65 | ||||
| 25 2.44 | 1.67 2.78 | 1.74 3.35 | 1.75 3.51 | 1.66 | ||||
| 27 2.42 | 1.68 2.75 | 1.75 3.31 | 1.77 3.47 | 1.67 | ||||
| Inside | Outside temperature (TK, °C) | |||||||
| -7 2 7 10 | ||||||||
| Heating capacity (A = Total, B = Sensitive, C = Power consumption) | ||||||||
| TK A C A C A C A C | ||||||||
| °C kW kW kW kW kW kW | ||||||||
| 15 3.85 | 1.51 4.14 | 1.50 4.23 0.81 | 4.01 0.73 | |||||
| 18 3.79 | 1.54 4.08 | 1.53 4.16 0.82 | 3.96 0.74 | |||||
| 20 3.73 | 1.56 4.02 | 1.55 4.10 0.83 | 3.90 0.75 | |||||
| 22 3.66 | 1.58 3.94 | 1.57 4.02 0.84 | 3.82 0.76 | |||||
| 24 3.62 | 1.59 3.90 | 1.58 3.98 0.85 | 3.78 0.77 | |||||
| 25 3.58 | 1.60 3.86 | 1.59 3.94 0.85 | 3.74 0.77 | |||||
| 27 3.55 | 1.61 3.82 | 1.61 3.90 0.86 | 3.70 0.78 | |||||
REMKO RVT series
Cooling capacity RVT 355 DC
| Inside | Outside temperature (TK, °C) | |||||||||
| 20 25 30 | ||||||||||
| Cooling capacity (A = Total, B = Sensitive, C = Power consumption) | ||||||||||
| TK FK | A B C A | B C A B C | ||||||||
| °C °C | kW kW | kW kW | kW kW | kW kW | ||||||
| 20 14 | 3.55 2.77 | 0.57 3.41 | 2.72 0.62 | 3.26 2.67 | 0.67 | |||||
| 22 16 | 3.73 2.86 | 0.58 3.59 | 2.81 0.63 | 3.43 2.76 | 0.68 | |||||
| 25 18 | 3.93 2.95 | 0.58 3.77 | 2.91 0.63 | 3.61 2.85 | 0.69 | |||||
| 27 19 | 4.01 2.97 | 0.59 3.85 | 2.93 0.64 | 3.68 2.87 | 0.69 | |||||
| 30 22 | 4.29 3.11 | 0.59 4.12 | 3.07 0.64 | 3.94 3.01 | 0.70 | |||||
| 32 24 | 4.45 3.18 | 0.59 4.27 | 3.14 0.65 | 4.09 3.08 | 0.70 | |||||
| Inside | Outside temperature (TK, °C) | ||||||
| 35 40 | |||||||
| Cooling capacity (A = Total, B = Sensitive, C = Power consumption) | |||||||
| TK FK A B C A B C | |||||||
| °C °C kW kW kW | kW | kW kW | |||||
| 20 | 14 | 3.11 | 2.61 | 0.73 | 3.02 | 2.59 | 0.78 |
| 22 | 16 | 3.27 | 2.70 | 0.74 | 3.18 | 2.68 | 0.79 |
| 25 | 18 | 3.45 | 2.79 | 0.75 | 3.34 | 2.77 | 0.80 |
| 27 | 19 | 3.52 | 2.81 | 0.75 | 3.41 | 2.80 | 0.80 |
| 30 | 22 | 3.76 | 2.96 | 0.76 | 3.65 | 2.94 | 0.81 |
| 32 | 24 | 3.90 | 3.03 | 0.76 | 3.79 | 3.01 | 0.81 |
Heating capacity RVT 355 DC
| Inside | Outside temperature (TK, °C) | |||||||
| -25 -20 -15 -10 | ||||||||
| Heating capacity (A = Total, B = Sensitive, C = Power consumption) | ||||||||
| TK A C A C A C A C | ||||||||
| °C kW kW kW kW kW kW | ||||||||
| 15 2.76 | 1.83 | 3.02 | 1.92 | 3.72 | 1.95 | 3.90 | 1.89 | |
| 18 2.72 | 1.86 | 2.98 | 1.95 | 3.67 | 1.98 | 3.84 | 1.92 | |
| 20 2.68 | 1.89 | 2.93 | 1.98 | 3.61 | 2.01 | 3.78 | 1.95 | |
| 22 2.62 | 1.90 | 2.87 | 2.00 | 3.54 | 2.03 | 3.71 | 1.97 | |
| 24 2.60 | 1.92 | 2.84 | 2.02 | 3.50 | 2.05 | 3.67 | 1.99 | |
| 25 2.57 | 1.93 | 2.82 | 2.03 | 3.47 | 2.06 | 3.63 | 2.00 | |
| 27 2.54 | 1.95 | 2.79 | 2.05 | 3.43 | 2.08 | 3.59 | 2.02 | |
| Inside | Outside temperature (TK, °C) | ||||||
| -7 2 7 10 | |||||||
| Heating capacity (A = Total, B = Sensitive, C = Power consumption) | |||||||
| TK A C A C A C A C | |||||||
| °C kW kW kW kW kW kW | |||||||
| 15 4.42 | 1.88 4.60 | 1.88 4.38 0.91 | 4.16 0.82 | ||||
| 18 4.36 | 1.91 4.53 | 1.90 4.31 0.93 | 4.10 0.84 | ||||
| 20 4.29 | 1.94 4.46 | 1.93 4.25 0.94 | 4.04 0.85 | ||||
| 22 4.21 | 1.96 4.37 | 1.95 4.17 0.95 | 3.96 0.86 | ||||
| 24 4.16 | 1.98 4.33 | 1.97 4.12 0.96 | 3.92 0.87 | ||||
| 25 4.12 | 1.99 4.28 | 1.98 4.08 0.97 | 3.88 0.87 | ||||
| 27 4.08 | 2.01 4.24 | 2.00 4.04 0.98 | 3.84 0.88 | ||||
REMKO RVT series
3 Design and function
3.1 Characteristics of REMKO inverter air conditioner with split design
REMKO inverter technology
The air conditioner's condenser is equipped with a requirement-dependent speed control system. The power control on conventional air conditioners provides only two states, either ON (full output) or OFF (no output). The air conditioner turns on below a specified temperature and turns off when this temperature is reached. This kind of heat regulation is very inefficient. Heat regulation in the Remko inverter air conditioner is modulated to the actual need. The electronics system has an integrated frequency-converter which serves to modify the condenser speed and the speed of the blower as required. The condenser works at a higher speed when under full load than under partial load. The lower speeds ensure a longer operational lifetime for the components, improved coefficient of performance and lower noise. Lower speeds also result in lower energy consumption (electricity) and longer service life. I.e.: inverter air conditioner will run practically throughout the cooling season. In all, the highest efficiency possible.
Thanks to innovative inverter technology, this air conditioner will almost always operate by adapting its cooling capacity to the actual requirements of the cooling season, and will in fact turn itself off when heat is removed. The same applies in the opposite direction with heating.
line
| Time | Conventional Inverter Temperature | Inverter Only Temperature | |------|-----------------------------------|----------------------------| | 0 | 0 | 0 | | 1/3 | ~0.8 | ~0.7 | | 1/3+ | ~0.8 | ~0.7 |Fig. 1: Modern inverter technology
Cooling mode
Because of circuit reversal, heating is also possible. In heating mode, the components of the refrigeration circuit are used to produce warm air thus in the building can be heated.
The comfort zone in the illustration below shows which values for temperature and humidity are considered comfortable for people. This range should ideally be met when heating or air-conditioning buildings.
radar
| Room air temperature in °C | Relative humidity in % | | -------------------------- | ---------------------- | | 10 | 0 | | 12 | 10 | | 14 | 20 | | 16 | 30 | | 18 | 40 | | 20 | 50 | | 22 | 60 | | 24 | 70 | | 26 | 80 | | 28 | 90 | | 30 | 100 |Fig. 2: Comfort zone
REMKO RVT series
3.2 Unit description
The RVT series room air conditioners have a REMKO RVT...AT outdoor unit as well as an RVT...IT indoor unit.
In cooling mode, the outdoor unit serves to output the heat extracted by the indoor unit from the room being cooled. In heating mode, the heat taken up by the outdoor unit can be discharged by the indoor unit into the room to be heated. In both operating modes, the output produced by the compressor precisely matches requirements, and thereby regulates the nominal temperature with minimal temperature deviations. This "inverter technology" results in energy savings over conventional split systems and also reduces noise emissions to a particularly low level. The outdoor unit can be installed in an outdoor area or, providing that certain requirements are met, an indoor area. The indoor unit is designed to be mounted high up on the wall, in indoor areas. It is operated by an infrared remote control.
The outdoor unit consists of a cooling cycle with compressor, fin condenser, condenser fan, reversing valve and throttle element. The outdoor unit is controlled by the regulation of the indoor unit.
The indoor unit consists of a fin evaporator, evaporator fan, controller and condensate tray.
Floor brackets, wall brackets, refrigerant piping and condensate pumps are available as accessories.
Fig. 3: Cooling cycle diagram for indoor unit
1: Evaporator
2: Evaporator fan
3: Suction pipe connection
4: Injection pipe connection
flowchart
graph TD
A["Compressor"] --> B["Condenser"]
B --> C["Pump"]
C --> D["Valve"]
D --> E["Switch"]
E --> F["Valve"]
F --> G["Switch"]
G --> H["Valve"]
H --> I["Switch"]
I --> J["Switch"]
J --> K["Switch"]
K --> L["Switch"]
L --> M["Switch"]
M --> N["Switch"]
N --> O["Switch"]
O --> P["Switch"]
P --> Q["Switch"]
Q --> R["Switch"]
R --> S["Switch"]
S --> T["Switch"]
T --> U["Switch"]
U --> V["Switch"]
V --> W["Switch"]
W --> X["Switch"]
X --> Y["Switch"]
Y --> Z["Switch"]
Z --> A
style A fill:#f9f,stroke:#333
style B fill:#ccf,stroke:#333
style C fill:#cfc,stroke:#333
style D fill:#fcc,stroke:#333
style E fill:#cff,stroke:#333
style F fill:#ffc,stroke:#333
style G fill:#fcc,stroke:#333
style H fill:#cff,stroke:#333
style I fill:#fcc,stroke:#333
style J fill:#cff,stroke:#333
style K fill:#fcc,stroke:#333
style L fill:#cff,stroke:#333
style M fill:#fcc,stroke:#333
style N fill:#cff,stroke:#333
style O fill:#fcc,stroke:#333
style P fill:#cff,stroke:#333
style Q fill:#fcc,stroke:#333
style R fill:#cff,stroke:#333
style S fill:#fcc,stroke:#333
style T fill:#cff,stroke:#333
style U fill:#fcc,stroke:#333
style V fill:#cff,stroke:#333
style W fill:#fcc,stroke:#333
Fig. 4: Cooling cycle diagram for outdoor unit
1: Condenser
2: Condenser fan
3: Reversing valve
4: Compressor
5: Capillary tube injection
6: Pressure gauge connection
7: Suction pipe connection valve
8: Injection pipe connection valve
Fig. 5: System layout
A: Outdoor area
B: Indoor area
1: Indoor unit
2: Outdoor unit
3: Condensate drainage line
4: Condenser fan
5: Power supply cable
6: Shut-off valve
7: Suction pipe
8: Injection pipe
9: Control line
Refrigerant piping is used to connect the indoor unit to the outdoor unit.
4 Operation
4.1 General notes
The indoor unit is easily operated using the standard infrared remote control. The indoor unit beeps to acknowledge the correct transmission of data. If it is not possible to program the indoor unit with the remote control, then it can also be manually operated.
Manual mode
The indoor unit can also be switched on manually if the infrared remote control is lost/defective. Manual operation is intended for emergency operation and is not suitable for basic unit operation. Please replace the remote control. The key for manual activation is located on the right side of the unit.
The following settings apply for manual operation:
Pressing once: Automatic mode,
Pressing twice: Cooling mode,
Pressing three times: Unit OFF
Infrared remote control
The infrared remote control sends the programmed settings a distance of up to 8 m to the receiver of the indoor unit. Data will only be received correctly if the remote control is pointed at the receiver and no objects are obstructing the transmission path.
Two AAA batteries must be inserted into the remote control in preparation. To do so, remove the flap from the battery compartment and insert the batteries the correct way around (see markings). Removing the batteries causes all stored data to be lost. The remote control will then access the default settings, which you are free to customise at any time.
Fig. 6: Maximum distance
Alarms are indicated by a code (see chapter Troubleshooting and customer service).
NOTICE!
Immediately replace flat batteries with a new set, otherwise there is a risk of leakage. It is recommended that the batteries are removed if the equipment is shut down for longer periods.
Help save on energy consumption in stand-by mode! If the device, system or component is not in use, we recommend disconnecting the power supply. Components with a safety function is excluded from our recommendation!
4.2 Indicators on indoor unit
1: Display of coded error message and target temperature
If the display shows "CL", the filters must be cleaned immediately.
If the display shows "nF", the filters must be replaced. Press LED key 4 after carrying out the work to deactivate the reminder functions.
REMKO RVT series
4.3 Keys on the remote control
Fig. 7: Keys on the remote control
① "ON/OFF" key
Switches the air conditioning unit on or off.
② "Arrow up" key
Increases the temperature setpoint in 0.5 °C increments up to the maximum setting value of 30 °C.
With the humidity function activated:
Increases the humidity setpoint in 5 % increments up to the maximum setting value of 85 %.
③ "SET" key
Cycles through the various additional functions at the top of the screen in the following order:
Intelligent Eye
Self clean
∅ Fresh (ion generator)
Sleep
Follow me
Not available
④ "Swing" key
Pressing briefly starts and stops the horizontal fin movement.
Pressing the key for 2 seconds starts and stops the vertical fin movement.
⑤ "Fan speed" key
Switches between the different fan speeds in the following order:
$$ \mathrm{AUTO} \Rightarrow 20 \% \Rightarrow 40 \% \Rightarrow 60 \% \Rightarrow 80 \% \Rightarrow 100 \% \Rightarrow \dots $$
The fan speed can also be adjusted in 1% steps with the "Arrow up" and "Arrow down" keys.
Pressing and holding the key activates the silence function.
⑥ "Turbo" key
Activates or deactivates the turbo function to reach the setpoint as quickly as possible.
⑦ "Mode" key
Switches between the available operating modes in the following order:
$$ \mathrm{AUTO} \Rightarrow \mathrm{COOL} \Rightarrow \mathrm{DRY} \Rightarrow \mathrm{HEAT} \Rightarrow \mathrm{FAN} \Rightarrow \dots $$
AUTO: Automatic mode
COOL: Cooling
DRY: Dehumidification
HEAT: Heating
FAN: Recirculation mode
⑧ "Airflow redirection" key
Activates the automatic wind direction reversal. The unit directs the airflow to a person detected in the room when the function is activated. By pressing the key again, the unit directs the airflow away from the person. The fan flaps remain in the current position. Pressing the key repeatedly deactivates this function. Note: If there are two or more persons/moving objects within the acquisition range of the Intelligent eye, this function cannot be used.
1: Wall
2: Indoor unit
3: Intelligent eye
4: Acquisition range
a: Left - 75° ±10°
b: Centre - 30° ±10°
c: Right - 75° ±10°
⑨ "OK" key
Activates or deactivates a previously selected additional function.
⑩ "Timer"
Activates or deactivates the switch-on or switch-off delay.
⑪ "Arrow down" key
Reduces the temperature setpoint in 0.5 °C increments up to the minimum setpoint. Setting value of 16 °C.
With the humidity function activated:
Reduces the humidity setpoint in 5 % increments up to the minimum setpoint. Setting value of 35 %.
⑫ "eco gear" key
Switches between the available energy-saving functions in the following order:
$$ \mathrm{eco} \Rightarrow \text { gear } 75 \% \Rightarrow \text { gear } 50 \% \Rightarrow \mathrm{OFF} \Rightarrow \mathrm{eco} \dots $$
eco:
the setpoint is raised to 24 °C and the fan speed is set to automatic. If the setpoint is higher than 24°C before the eco function is activated, the setpoint is not changed.
If a setpoint of < 24^ is set, the eco function is deactivated.
gear 75 %:
inducts the power consumption to max. 75 %.
gear 50 %:
inducts the power consumption to max. 50%
⑬ "Humidity" key
Switches the control variable from room temperature to relative humidity in "Dehumidification" operating mode.
REMKO RVT series
⑭ "LED" key
Deactivates or activates the illumination of the LED display and the signal tones of the indoor unit.
Indicators on the LCD
Fig. 8: Indicators on the LCD
① Additional functions
Displays the active additional functions.
② Operating mode
Indicates the active operating mode.
② TIMER OFF symbol
This symbol appears when TIMER OFF is switched on.
③ Data transmission
Appears when data is transmitted from the infrared remote control to the indoor unit.
④ Timer
Displays the corresponding symbol when the switch-on delay (ON) or switch-off delay (OFF) is activated.
⑤ Silence
Appears when the silence function is active.
⑥ Horizontal swing function
Shows the position or the activated swing function of the horizontal swing slat.
⑦ Vertical swing function
Displays the position or the activated swing function of the vertical swing slats.
⑧ Not available
⑨ Turbo mode
Appears when turbo mode is activated.
⑩ Battery indicator
Indicates the remaining capacity of the remote control battery.
⑪ eco gear
Appears when the eco gear function is activated.
⑫ Key lock
Appears when the remote control key lock is active.
⑬ Temperature indicators
Displays the setpoint for the temperature setting (16 °C - 30 °C) or the relative humidity (35 % - 85 %).
⑭ Fan speed symbol
This is where the selected fan speeds are displayed: AUTO and the five fan speed settings. The fan speed is set to "Automatic" when either "Auto" or "Dehumidification" mode is activated.
The illustration of the LCD with all of the symbols present is only intended to provide a clearer overview. During operation, only those symbols relevant to the respective functions appear on the display.
Key functions
"Auto" mode
Make sure that the indoor unit is connected to the power supply, and is switched on.
The operating mode indicator on the display of the indoor unit begins to flash.
- Press the "ON/OFF" key [1] to switch on the air conditioning unit.
- Press the "MODE" key [2] to select "Auto" mode.
- Press the "Arrow up / Arrow down" key [3] to set the desired temperature. The temperature can be set to between 16 °C - 30 °C, in increments of 1 °C.
Fig. 9: "Auto" mode
"Cooling", "Heating" and "Recirculation" mode
Make sure that the indoor unit is connected to the power supply, and is switched on.
- Press the "ON/OFF" key [1] to switch on the air conditioning unit.
- Press the "MODE" key [2] to select "Cooling", "Heating" or "Recirculation" mode.
- Press the "Arrow up / Arrow down" key [3] to set the desired temperature. The temperature can be set to between 16 °C - 30 °C, in increments of 0.5 °C.
- Press the "F" AN" key [4] to set the desired fan stage.
Fig. 10: "Cooling", "Heating" and "Recirculation" mode
REMKO RVT series
"Dehumidification" mode
- Press the "ON/OFF" key [1] to switch on the air conditioning unit.
- Press the "MODE" key [2] to select "Dehumidification" mode.
- Press the "Humidity" key [4] to set the unit of the controlled variable to relative humidity (RH).
- Press the "Arrow up / Arrow down" key [3] to set the desired relative humidity. The set-point can be adjusted between 35 and 85 % in 5 % increments.
Fig. 11: "Dehumidification" mode
In the "Dehumidification" mode, manual selection of the fan speed is not possible! Please note that temperature pre-selection is not possible and the dehumidified room can cool dramatically!
"Timer" mode
Press the "TIMER" key to set the "switch-on time" and the "switch-off time" for the unit.
Setting the "switch-on time"
The air conditioning unit has two different timer modes:
Timer ON determines the time after which the unit automatically switches itself on.
Timer OFF determines the time after which the unit automatically switches itself off.
Activate the "Timer on" function by pressing the Timer key [1]. The Timer ON symbol now appears on the display. Use the "Arrow up" and "Arrow down" keys [2] to select the desired switch-on time. The function activates itself after one second.
The target temperature and the Timer ON symbol now appear on the display again as confirmation of the function.
Activate the "Timer OFF" function by pressing the Timer key [1] twice. The "Timer OFF" symbol now appears on the display.
Use the "Arrow up" and "Arrow down" keys [2] to select the desired switch-off time. The function activates itself after one second.
The temperature and the Timer ON symbol now appear on the display again as confirmation of the function.
Both functions can also be used together. For example, if the unit is to switch on in 6 hours and switch off two hours later, proceed as follows:
Press the Timer key [1] and ensure that the Timer ON symbol illuminates. Press the "Arrow up / Arrow down" keys [2] until "6.0h" appears on the display. Now press the Timer key [1] again. The Timer OFF symbol should appear on the display. Use the "Arrow up / Arrow down" keys [2] to set the time to 8.0h and then wait one second for the functions to activate themselves automatically.
Times which have already been set can be changed. To do this, select either Timer ON or Timer OFF mode and change the time using the "Arrow up / Arrow down" keys [2]. Please note that this delay is then activated from the current point in time, not the point in time when the original programming took place!
Delays which have already been programmed can be deactivated by reducing the time to 0.0h in the respective menu (Timer ON or Timer OFF).
When the switch-on and switch-off times are being set, this can be done at 30 minute intervals for the first 10 hours, and at hourly intervals thereafter. The maximum switch-on or switch-off delay is 24 hours.
Fig. 12: "Timer" mode
- When T imer mode is selected, the remote control automatically transfers the timer signal to the indoor unit for the specified period of time. Therefore, you should hold the remote control in a location where it can transfer the signal to the indoor unit without interference.
The effective operation for the time settings by the remote control for the timer function is restricted to the following settings: 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 and 24.
Examples of TIMER function settings
"TIMER ON" (Auto on mode)
Example:
You want the air conditioning unit to switch on 2 hours from the time it was programmed.
- Press the "TIMER" key . 0.0h and the "Timer ON" symbol now appear on the display.
- Press the "Arrow up" or "Arrow down" key until the desired start time appears in the "TIMER ON" area of the remote control.
- W ait for 3 seconds and the temperature appears again in this area of the digital display. The "TIMER ON" indicator stays lit, and this function is activated.
Fig. 13: "TIMER ON" example
"TIMER OFF" (Auto off mode)
Example:
You want the air conditioning unit to switch off 4 hours from the time it was programmed.
- Press the "TIMER" key twice. 0.0h and the "Timer OFF" symbol now appear on the display.
- Press the "Arrow up" or "Arrow down" key until "4h" appears in the "TIMER OFF" area of the remote control.
- W ait for 3 seconds and the temperature appears again in this area of the digital display. The "TIMER OFF" indicator stays lit, and this function is activated.
Fig. 14: "TIMER OFF" example
REMKO RVT series
Combined TIMER (setting "TIMER ON" and "TIMER OFF" at the same time)
"TIMER OFF "TIMER ON"
$$ (\text { On } \Rightarrow \text { Stop } \Rightarrow \text { Start }) $$
Example:
You want the air conditioning unit to switch off in two hours from the time it was programmed, and switch back on ten hours later.
- Press the "TIMER" key.
- Press the "Arrow up" or "Arrow down" key until "10h" appears on the display.
- Press the "TIMER" key.
- Press the "Arrow up" or "Arrow down" key until "2h" is displayed.
- Wait for 3 seconds and the temperature appears again in this area of the digital display. The "TIMER ON" and "TIMER OFF" indicators stay lit, and this function is activated.
flowchart
graph TD
A["Start"] --> B["Off"]
B --> C["Stop"]
style A fill:#f9f,stroke:#333
style C fill:#ccf,stroke:#333
note1["Set time"] --> A
note2["2 hours later after setting"] --> C
note3["5 hours later after setting"] --> C
Fig. 15: "TIMER OFF"/"TIMER ON" example
Additional functions
With the "Set" key [1], the following additional functions can be activated when the unit is switched on:
Intelligent Eye
If this function is activated, the unit monitors the presence of people in the room with the help of the motion sensor. If there is no person in the room for 30 minutes, the energy saving function is activated and the compressor frequency is automatically reduced. As soon as a person enters the room, the energy-saving function is deactivated again.
Self Clean
When the Self Clean function is activated, the indoor unit automatically cleans the heat exchanger to prevent mould and odour formation. The cleaning process can take up to 45 minutes. "CL" is shown on the unit display during the process.
BioClean
When the BioClean function is activated, negatively charged ions are added to the airflow to bind the particles contained in the air. The bundled particles then fall to the ground and can be filtered out of the air more easily.
Sleep
The sleep function can be used to save energy during night operation. When the sleep function is activated, the temperature setpoint is regularly reduced (cooling mode) or increased (heating mode).
8 Follow me
The "Follow me" function activates the temperature detection of the infrared remote control. The actual temperature is then transmitted to the indoor unit every 3 minutes. Note: In order for the temperature to be transmitted by the infrared remote control at all times, there must be visual contact between the infrared remote control and the indoor unit at all times.
AP function
Function not available
The desired function can then be selected with the "Arrow up / Arrow down" keys [2] and confirmed with the "OK" key [3].
Fig. 16: Additional functions
Frost protection function
The frost protection function keeps the room air temperature above 8^ C to prevent damage to the building structure.
- Press the "ON/OFF" key [1] to switch on the air conditioning unit.
- Press the "MODE" key [2] to select "Heating" mode.
- Press the "Arrow down" key [3] until the temperature setpoint is at 16 °C. Then press the "Arrow down" key [3] twice within one second to activate the frost protection function
Fig. 17: Frost protection function
Key lock
The frost protection function keeps the room air temperature above 8^ C to prevent damage to the building structure.
Press the "Turbo" key [1] and the "Humidity" key [2] at the same time for 5 seconds to activate and deactivate the key lock.
Fig. 18: Activate / deactivate key lock
5 Installation instructions for qualified personnel
5.1 Important notes prior to installation
- Transport the unit in its original packaging as close as possible to the installation location. You avoid transport damage by doing so.
- Check the contents of the packaging for completeness and check the unit for visible transport damage. Report any damage immediately to your contractual partner and the shipping company.
Lift the unit on the corners and not on the refrigerant or condensate drainage connections.
The refrigerant piping (liquid and suction pipe), valves and connections must be insulated to make them vapour diffusion proof. If necessary also insulate the condensate drainage line. - Select an installation location which allows air to freely flow through the air inlet and outlet (see section "Minimum clearances").
Do not install the unit in the immediate vicinity of devices which generate intensive thermal radiation. Installation in the vicinity of thermal radiation reduces the unit output. - Only open the shut-off valves on the refrigerant piping after installation is complete.
Seal off open refrigerant piping with suitable caps or adhesive strips to prevent the infiltration of moisture and never kink or compress the refrigerant piping.
Avoid unnecessary bends. This minimises the pressure loss in the refrigerant piping and ensures that the compressor oil can flow back without obstruction.
■ Make special preparations regarding the oil return if the outdoor unit is located above the indoor unit (see section "Oil return measures"). - Add refrigerant if the basic length of the refrigerant piping exceeds 5 metres. For the quantity of additional refrigerant, refer to chapter "Adding refrigerant".
- Perform all electrical wiring in accordance with applicable DIN and VDE standards.
- Ensure the electrical cables are properly connected to the terminals, otherwise there is a risk of fire.
Use four supports and the associated hooks to attach the ceiling cassette (only applies to ceiling cassettes).
Use the insulated condensate hose in the scope of delivery as a junction piece to the continuing condensate drain. Secure the condensate drain with the supplied clamps.
5.2 Wall openings
A wall opening of at least 70mm diameter and 10mm incline from the inside to the outside must be created.
To prevent damage to the lines, the interior of the wall opening should be padded or, for example, lined with PVC pipe (see figure).
After installation has been completed, use a suitable sealing compound to close off the wall opening, taking account of fire protection regulations (responsibility of customer). Do not use cement or lime containing substances!
Fig. 19: Wall opening
1: Liquid line
2: Control line
3: Condensate drainage line
4: Suction pipe
5: PVC pipe
5.3 Installation materials
The indoor unit is attached to the wall by a wall bracket and 4 screws (to be provided by the customer).
The outdoor unit is attached by 4 screws and a wall bracket to the wall or fixed by a floor bracket to the ground.
5.4 Layout, indoor unit
The indoor unit is designed for horizontal wall installation above doors. However, it can also be used in the upper wall area (min. 2.0 m above the floor).
The minimum room size must be 4 m^2 .
This varies according to the total fill quantity of the system. Observe the valid DIN standards for the calculation!
5.5 Installation, mounting outdoor unit
Outdoor unit installation location
The device may be attached only to a load-bearing structure or wall. Ensure that the outdoor unit is installed only vertically. The installation site should be well ventilated.
To minimise noise, install floor consoles with vibration dampers and a considerable distance from acoustically-reflective walls to minimise noise.
The minimum clearances specified on the next page should be maintained when carrying out the installation. These minimum distances serve to ensure unrestricted air intake and exhaust. Additionally, there must be adequate space available for installation, maintenance and repair.
If the outdoor unit is erected in an area of strong winds, then the device must be protected against them (Fig. 20). The snow line is to be observed during installation (Fig. 21).
The outdoor unit must always be installed on vibration dampers. Vibration dampers prevent the transmission of vibrations through the floor or walls.
A heated, condensate tray ensures that condensation from the pan can drain off. Ensure that the condensate is prevented from freezing so that it can drain off (gravel, drainage). The Water Ecology Act is to be observed.
The outdoor unit must always be installed outdoors. Do not install the outdoor unit in enclosed rooms, including basement and window shafts.
During installation, add about 20 cm to the expected snow depth to guarantee unimpeded intake and exhaust of outdoor air year round (Fig. 21).
The installation site of the outdoor unit should be agreed together with the operator primarily so that operating noise is minimised and not in terms of "short routes". Thanks to the split-design technology there are a great deal of different installation options with almost identical efficiency available.
Fig. 20: Protection from wind
1: Wind
! NOTICE!
The site for the outdoor unit must be selected so that machinery noise that occurs disturbs neither the residents nor the facility operator. Observe the TA-noise specifications as well as the table containing the drawings relating to sound pressure levels..
Fig. 21: Protection from snow
1: Snow
REMKO RVT series
| Point of emissions | Assessment level in accordance with TA noise | |
| days in dB(A) nights in dB(A) | ||
| Industrial areas 70 70 | ||
| Commercial areas 65 50 | ||
| Core areas, village areas and mixed zones 60 45 | ||
| General residential areas and small housing estates 55 40 | ||
| Exclusively residential areas 50 35 | ||
| Spa areas, hospitals and mental institutions 45 35 | ||
Isolated noise peaks of short duration may not exceed 30 dB(A) during the day and 20 dB(A) at night.
Definition of the Danger Area
WARNING!
Access to the unit is only permitted for authorised and trained persons. If unauthorised persons can approach the danger areas, these areas must be identified with corresponding signs, barriers, etc.
The external danger area surrounds the equipment up to a distance of 2 m, measured in all directions from the unit housing.
The external danger area on-site can differ as a result of the setup. The specialist company performing the installation work bears the responsibility for this.
The internal danger area is located inside the machine and can only be reached with the use of an appropriate tool. Access is prohibited for unauthorised persons!
5.6 Minimum clearances
Observe the minimum clearances to allow access for maintenance and repair work and facilitate optimum air distribution.
flowchart
graph TD
A --> 1
1 --> B
1 --> C
1 --> D
1 --> E
1 --> F
1 --> b
1 --> a
1: Indoor unit (IT)
2: Outdoor unit (AT)
a: Air inlet
b: Air outlet
| Measurements (mm) | ||||||
| A B C D E F | ||||||
| RVT 265-355 DC IT 120 1500 | 120 - 150 2000 | |||||
| RVT 265-355 DC AT 300 2000 | 600 300 600 - | |||||
5.7 Connection variants for the indoor unit
The following connection variants can be used for the refrigerant, condensate and control lines.
Fig. 22: Connection variant (view from the rear)
A: Infeed of the refrigerant piping at the wall, left
B: Infeed of the refrigerant piping through the wall, left
C: Outlet through the wall, right
D: Outlet at the wall, right (the refrigerant piping must be bent through 180 degrees for this)
! NOTICE!
A flare connection may only be established outside the room. Detachable, reusable connections are not permissible inside!
REMKO RVT series
5.8 Oil return measures
If the outdoor unit is installed at a higher level than the indoor unit, suitable oil return measures must be taken. Usually, an oil pump bend is installed for every 7 metres of height difference.
Fig. 23: Oil return measures
A: Outdoor unit
B: Indoor unit
1: One oil pump bend in suction pipe to outdoor unit every 7 metres of height difference, radius: 50 mm
2: Max. 20 m
5.9 Connection of the indoor unit when the refrigerant piping is installed under the plaster
If the customer routes the refrigerant piping to the unit underneath the plaster, observe the following note. The principal connection options can be found in the "Connection variants for the indoor unit" and "Wall bracket" chapters.
If the refrigerant piping is routed underneath the plaster, ensure that the customer-fitted refrigerant piping does not protrude from the wall at a 90° angle. As a result of the required bending radius, the unit would then be very difficult to connect or would possibly be impossible to fasten to the wall mount.
For this reason, route the customer-fitted refrigerant piping with as flat an angle as possible (<30°) out of the wall, from the left and into the unit. (see Fig. 24).
natural_image
Close-up of a white air conditioner grille with a red cable inserted, showing no text or symbols.Fig. 24: Under the plaster installation (View from above)
5.10 Wall bracket of the indoor units
Fig. 25: Wall bracket mounting points RVT 265-355 DC (rear view)
1: Indoor unit (outline) A: Wall opening
REMKO RVT series
natural_image
Technical line drawing of a mechanical assembly with two symmetrical components and mounting brackets (no text or symbols)A
natural_image
Technical line drawing of a mechanical frame assembly (no text or symbols)B
natural_image
Technical line drawing of a mechanical assembly with two vertical supports and internal components (no text or symbols)B
Fig. 26: Wall bracket alignment RVT 265-355 DC
A: Correct alignment B: Incorrect alignment
6 Installation
6.1 Installation of the indoor unit
The indoor unit is attached by means of a wall bracket, taking into consideration the air outlet side located in the lower part.
- Mark the mounting points on the structurally permissible building sections according to the dimensions of the wall bracket.
- If necessary, remove the break out opening of the housing.
- Connect the refrigerant piping, electrical cables and condensate drainage line to the indoor unit as described below.
- Hang the indoor unit onto the wall bracket by tilting it back slightly and by pressing the bottom part of the unit against the bracket.
- Check again that the unit is level. ( Fig. 27)
natural_image
Diagram showing a white rectangular device mounted on a brick wall with green arrows indicating direction of movement (no text or symbols present)Fig. 27: Horizontal positioning
The wall bracket for the units must be attached with suitable screws and anchors.
6.2 Connecting the refrigerant piping
The refrigerant piping is connected (responsibility of the customer) on the back side of the units.
Please note that a flare connection is only permissible outside the enclosed room. If this is not possible on site, the connection of the indoor unit must be established as a permanent connection (e.g. soldered).
It may be necessary to fit a reducer or flared adapter to the indoor unit. These fittings are included with the indoor unit as an accessory kit. Once installed, the connections should be insulated to make them vapour diffusion proof.
NOTICE!
Installation should only be performed by authorised specialists.
NOTICE!
The unit is factory filled with dry nitrogen for leak testing purposes. The pressurised nitrogen is released when the union nuts are undone.
NOTICE!
Use only tools which are approved for use in an HVAC environment. (z. B.: bending pliers, pipe/tubing cutters, de-burrers and flaring tools). Do not cut refrigerant pipes with a saw.
NOTICE!
All work must be carried out in a way that prevents dirt, particles, water etc. from entering, refrigerant lines!
The following instructions describe the installation of the cooling cycle and the assembly of the indoor unit and the outdoor unit.
- The required pipe diameters are given in the table "Technical data".
- Install the indoor unit and connect the refrigerant piping as described in the operating manual for the indoor unit.
- Use the wall or floor brackets to fit the outdoor unit against structural parts approved to support the static load (refer to the installation instructions for the brackets).
- Ensure that structure-borne sound is not transferred to parts of the building. Use vibration dampers to reduce the effects of structure-borne sound!
- Lay the refrigerant piping from the indoor unit to the outdoor unit. Ensure that the fastenings are adequate and if necessary, take appropriate oil return measures!
- Remove the factory-fitted protective caps and union nuts on the connections. These should be used later in the installation process.
- Before flanging the refrigerant piping, ensure that the union nut is fitted on the pipe.
- Prepare the laid refrigerant pipings as shown below (Fig. 28 and Fig. 29).
- V erify that the shape of the flange is correct (Fig. 30).
- First connect and hand-tighten the refrigerant piping to ensure it is correctly seated.
- Then tighten the fittings with 2 appropriately-sized open-ended spanners. Use one spanner to counter the force when tightening the fitting (Fig. 31).
- Use insulation hoses which are designed for this temperature range and are diffusion proof.
- Observe the permitted bending radius for the refrigerant piping during installation. Never bend a pipe twice in the same place. Brittleness and cracking can result.
- Apply appropriate heat insulation to the installed refrigerant piping, including connector.
- T ake the same action at the shut-off valves for all subsequent refrigerant piping.
REMKO RVT series
Label the refrigerant piping (injection and suction pipes) as well as the associated electrical control lines of each interior unit with a letter. Only connect the lines to their associated connections.
NOTICE!
Always pay attention to the affiliation of the electrical lines and refrigerant piping! The connections of the individual circuits must not be mixed up. Mixing up the assignment of control lines and refrigerant piping can have fatal consequences (compressor damage)!
Commissioning of the individual circuits must be carried out successively.
Fig. 28: Deburring the refrigerant piping
1: Refrigerant piping
2: Deburrer
natural_image
Close-up of hands operating a mechanical clamp or tool with a white plastic tube and labeled component (1), no visible text or symbols beyond the label.Fig. 29: Flanging the refrigerant piping
1: Flanging tool
Fig. 30: Correct flange shape
Fig. 31: Tightening the fitting
1: Tighten with the first open-ended spanner
2: Counter with the second open-ended spanner
| Pipe dimension in inches | Tightening torque in Nm |
| 1/4" 15-20 | |
| 3/8" 33-40 | |
| 1/2" 50-60 | |
| 5/8" 65-75 | |
| 3/4" 95-105 |
6.3 Additional notes on connecting the refrigerant piping
When combining the outdoor unit with some indoor units, the procedure for connecting the refrigerant piping may differ. Install the provided reducer or expansion fittings to the indoor unit.
If the basic length of the connecting line exceeds 5m, add refrigerant when commissioning the system for the first time (see chapter "Adding refrigerant").
6.4 Leak testing
Once all the connections have been made, the pressure gauge station is attached to the Schrader valve as follows (if fitted):
$$ \text { red } = \text { small valve } = \text { high pressure } $$
$$ \text { blue } = \text { large valve } = \text { suction pressure } $$
Once the connection has been made successfully, the leak test is carried out with dry nitrogen.
Leak testing involves spraying a leak detection spray onto the connections. If bubbles are visible, the connections have not been made properly. In that case, tighten the connection or, if necessary, create a new flange.
After completing a successful leak test, the excess pressure in the refrigerant piping is removed and a vacuum pump with an absolute final partial pressure of min. 10 mbar is used to remove all of the air and empty the pipes. Any moisture present in the pipes will also be removed.
! NOTICE!
A vacuum of at least 20 mbar must be produced!
The time required to generate the vacuum is dependent on the final pressure pipe volume of the indoor units and the length of the refrigerant piping. However, the process will take at least 60 minutes. Once any foreign gases and humidity have been completely extracted from the system, the valves on the pressure gauge station are closed and the valves on the outdoor unit are opened as described in the "Commissioning" section.
REMKO RVT series
6.5 Adding refrigerant
The units contain a basic quantity of refrigerant. In addition, an additional amount of refrigerant must be added for refrigerant piping lengths exceeding 5 metres per circuit. Refer to the following chart:
| Up to and incl. 5m | From 5m to max. length | |
| RVT 265 DC | 0 g/m 20 g/m | |
| RVT 355 DC | ||
CAUTION!
Wear protective clothing when handling refrigerant.
DANGER!
Only refrigerant in a liquid state may be used to fill the cooling cycle!
NOTICE!
Check the overheating to determine the refrigerant fill quantity.
NOTICE!
The escape of refrigerant contributes to climatic change. In the event of escape, refrigerant with a low greenhouse potential has a lesser impact on global warming than those with a high greenhouse potential.
This unit contains refrigerant with a greenhouse potential of 675. That means the escape of 1 kg of this refrigerant has an effect on global warming that is 675 times greater than 1 kg CO₂, based on 100 years. Do not conduct any work on the refrigerant circuit or dismantle the unit - always enlist the help of qualified experts.
7 Condensate drainage connection and safe drainage
Fig. 32: Condensate drainage, seepage of condensate and strip foundation (cross-section)
1: Outdoor unit
2: Leg
3: Condensate collection tray
4: Floor bracket
5: Reinforced strip foundation
HxWxD = 300x200x800mm
6: Gravel layer for seepage
7: Condensate drainage heating
8: Drainage channel
9: Conduit for refrigerant piping and electrical connecting line (temperature-resistant up to at least 60°C)
10: Frost line
11: Drainage pipe
12: Soil
Fig. 33: Dimensions for the strip foundation (bird's eye view)
For the designations of 1,3,5,8,9 and 11, please refer to the legend for Fig. 32
dimensioning of the strip foundation (in mm)
| Dimension RVT | 265-355 DC |
| A 800 | |
| B 200 | |
| C 514 | |
| D 298 | |
| E 287 |
Condensate drainage connection
If the temperature falls below the dew point, condensation will form on the finned condenser during heating mode.
A condensate tray should be installed on the underside of the unit to drain any condensate.
The condensate drainage line should have an incline of min. 2%. This is the responsibility of the customer. If necessary, fit vapour-diffusion-proof insulation.
When operating the unit at outside temperatures below 4 °C, ensure the condensate drainage line is laid to protect it against frost. The lower part of the housing and condensate tray is also to be kept frost free in order to ensure permanent draining of the condensate. If necessary, fit a pipe heater.
Following installation, check that the condensate run off is unobstructed and ensure that the line is durably leak tight.
Fig. 34: Condensate drainage connection - Indoor unit
Safe drainage in the event of leakages
The REMKO oil separator OA 2.2 fulfils the following list of requirements from regional regulations and laws.
! NOTICE!
Local regulations or environmental laws, for example the German Water Resource Law (WHG), can require suitable precautions to protect against uncontrolled draining in case of leakage to provide for safe disposal of escaping refrigerator oil or hazardous media.
! NOTICE!
If condensate is removed via a duct in accordance with DIN EN 1717, ensure that any microbiological contamination present on the wastewater side (bacteria, fungi, viruses) cannot enter the unit connected to it.
REMKO RVT series
8 Electrical wiring
8.1 General Information
A protected power supply cable is to be connected to the outdoor unit and a five-core control line to the indoor unit respectively.
DANGER!
All electrical installation work is to be performed by specialist companies. Disconnect the power supply when connecting the electrical terminals.
WARNING!
All electric lines are in accordance VDE regulations to dimension and to lay.
NOTICE!
The electrical connection of the units must be carried out in accordance with VDE regulations. We recommend using an FI circuit breaker that is sensitive to all currents, as increased leakage currents can occur.
We recommend using shielded wires for the control lines.
Check all plugged and clamped terminals to verify that they are seated correctly and make permanent contact. Tighten as required.
8.2 Connecting the indoor unit
We recommend that a mains/repair switch be installed near the outdoor unit.
The terminal blocks for making the connections are located on the front of the unit. Two covers must be removed to make a connection.
If an optional condensate pump is used as an accessory in conjunction with the unit, it may be necessary to install an additional relay with a higher contact rating after the switch-off contact on the pump to switch off the compressor.
Make the connection as follows:
- Swivel the panel of the unit upwards.
- Remove the screw [A] and remove the cover
natural_image
Close-up of a mechanical component with labeled parts (A), showing internal structure and mounting holes (no text or symbols beyond label)- Now remove the screw [B] and remove the cover from the terminal block.
natural_image
Interior view of an electronic device showing wiring, connectors, and a labeled component (B), no readable text or symbols beyond the label.- Connect the customer-laid control line to the terminals [C].
- Screw the two covers in place and close the front flap.
8.4 Electrical wiring diagram
Connection RVT 265-355 DC
8.3 Connecting the outdoor unit
Proceed as follows to connect the line:
- Remove the side-panel cover
- Choose a cable-section according to the relevant specifications.
- Connect the lines as shown on the electrical connection diagram.
- Fix the line in the strain relief and re-assemble the unit.
natural_image
Exterior view of a white air conditioning unit with cooling fan and wiring (no text or symbols visible)Fig. 35: Connecting the outdoor unit
Fig. 36: Electrical wiring diagram
A: Outdoor unit RVT 265-355 DC AT
B: Indoor unit RVT 265-355 DC IT
1: Power supply cable
REMKO RVT series
2: Communication line
Connection of optional condensate pump KP 6/KP 8
flowchart
graph TD
subgraph_Panel_A["Panel A"]
A1["LNPE"] -->|1| L
A2["W1(L)2(N)S"] -->|L N PE| L
A3["W1(L)2(N)S"] -->|L N PE| L
A4["W1(L)2(N)S"] -->|L N PE| L
A5["W1(L)2(N)S"] -->|L N PE| L
A6["W1(L)2(N)S"] -->|L N PE| L
end
subgraph_Panel_B["Panel B"]
B1["B"] -->|2| L1["L"]
B1 -->|2| L2["N"]
B2["B"] -->|2| L3["L"]
B2 -->|2| L4["N"]
B3["B"] -->|2| L5["L"]
B3 -->|2| L6["N"]
B4["B"] -->|2| L7["L"]
B4 -->|2| L8["N"]
B5["B"] -->|2| L9["L"]
B5 -->|2| L10["N"]
B6["B"] -->|2| L11["L"]
B6 -->|2| L12["N"]
B7["B"] -->|2| L13["L"]
B7 -->|2| L14["N"]
B8["B"] -->|2| L15["L"]
B8 -->|2| L16["N"]
B9["B"] -->|2| L17["L"]
B9 -->|2| L18["N"]
B10["B"] -->|3| L9
B10 -->|3| L19["L"]
B10 -->|3| L20["N"]
B11["B"] -->|3| L10
B11 -->|3| L11["L"]
B12["B"] -->|3| L12["L"]
B12 -->|3| L13["L"]
B13["B"] -->|3| L14["L"]
B13 -->|3| L15["L"]
B14["B"] -->|3| L16["L"]
B14 -->|3| L17["L"]
B15["B"] -->|3| L18["L"]
B15 -->|3| L19["L"]
B16["B"] -->|3| L20["L"]
end
style Panel_A fill:#f9f,stroke:#333
style Panel_B fill:#ccf,stroke:#333
Fig. 37: Electrical wiring diagram
A: Outdoor unit
B: Indoor unit
C: KP6/KP8 condensate pump
1: Power supply cable
2: Condensate pump supply
3: Condensate pump fault contact
BK: black
WH: white
8.5 Electrical drawings
Indoor units RVT 265-355 DC IT
flowchart
graph TD
A["①"] --> B["OPTIONAL"]
B --> C["②"]
C --> D["M"]
D --> E["③"]
E --> F["OPTIONAL"]
F --> G["④"]
G --> H["⑤"]
H --> I["⑥"]
I --> J["⑦"]
J --> K["⑧"]
K --> L["WHITE"]
L --> M["RED"]
M --> N["BLUE(BLACK)"]
N --> O["YELLOW"]
O --> P["JX1"]
P --> Q["A"]
Q --> R["B"]
R --> S["⑧"]
S --> T["⑨"]
T --> U["D"]
U --> V["⑩"]
V --> W["⑪"]
W --> X["⑫"]
X --> Y["⑬"]
Y --> Z["⑭"]
Z --> AA["⑮"]
AA --> AB["⑯"]
AB --> AC["⑰"]
AC --> AD["⑱"]
AD --> AE["⑲"]
AE --> AF["⑳"]
AF --> AG["⑴"]
AG --> AH["⑵"]
AH --> AI["⑶"]
AI --> AJ["⑷"]
AJ --> AK["⑧"]
subgraph Component 1
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
AA
AB
AC
AD
AE
AF
AG
AH
AI
end
subgraph Component 2
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
AA
end
subgraph Component 3
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
end
subgraph Component 4
F
G
H
I
J
K
L
M
N
O
P
Q
end
subgraph Component 567
H
I
J
K
L
M
end
subgraph Component 63C
H1["CN225"] --> I1["P1_1"]
I1 --> J1["L-OUT"]
J1 --> K1["RY1"]
K1 --> L1["N-IN"]
L1 --> M1["CN5"]
end
subgraph Component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nl>
Fig. 38: Electrical drawings RVT 265-355 DC IT
A: Indoor unit
B: Outdoor unit
C: Control board
D: Multifunction board
E: Display circuit board
1: Ion generator (optional)
2: AC fan motor connection
3: Fan motor
4: Capacitor
5: Swing motor 1
6: Swing motor 2 (optional)
7: Swing motor 3 (optional)
8: Connection to the outdoor unit
9: Smart-Control Touch SC-1 connecting facility
10: Potential-free alarm contact
11: Potential-free "On/Off" contact
12: Room temperature probe
13: Probe, evaporator
14: Room temperature probe
15: Cabled remote control
16: Infrared probe
17: Humidity probe
REMKO RVT series
Outdoor units RVT 265-355 DC AT
flowchart
graph TD
subgraph Power Line
direction TB
A["1"] --> B["2"]
B --> C["3"]
C --> D["4"]
D --> E["5"]
E --> F["6"]
F --> G["7"]
end
subgraph Power Source
direction TB
H["1(L)"] --> I["2(N)"]
I --> J["S"]
J --> K["L"]
K --> L["N"]
L --> M["Y/G"]
M --> N["8"]
N --> O["9"]
O --> P["10"]
P --> Q["11"]
Q --> R["12"]
R --> S["13"]
S --> T["14"]
T --> U["15"]
U --> V["16"]
V --> W["17"]
end
subgraph Power Supply
direction TB
X["CN4"] --> Y["CN16"]
Z["CN60"] --> AA["CN3"]
AB["CN18"] --> AC["CN10"]
AD["BROWN(RED)"] --> AE["BLUE(BLACK)"]
AF["BLEND YELLOW)"] --> AG["BLACK YELLOW"]
AH["RED"] --> AI["Black(BLUE)"]
AJ["CN8"] --> AK["CN7"]
AL["CN2"] --> AM["CN3"]
end
subgraph Power Control
direction TB
AN["M"] --> AO["M"]
AP["M"] --> AQ["M"]
AR["M"] --> AS["M"]
AT["M"] --> AU["M"]
AV["M"] --> AW["M"]
end
style Power Line fill:#f9f,stroke:#333
style Power Supply fill:#ccf,stroke:#333
Fig. 39: Electrical drawings RVT 265-355 DC AT
A: Control board
1: Heater condensate tray
2: Crankcase heating, compressor
1: Compressor
2: Supply line to the indoor unit
3: 4-way valve
4: DC fan motor (not available)
5: AC fan motor
6: Capacitor
7: Compressor
8: Connection to indoor unit
9: Power supply cable
10: Electric expansion valve
11: Outside air probe
12: Condenser probe
13: Heat gas probe
8.6 Connection of a superordinate controller
Units of type RVT have a multifunction PCB installed in the panel of the unit which has various connecting facilities for superordinate controllers.
Connecting facilities of the multifunction PCB
Fig. 40: Connection terminals
① F1: Extended address allocation
Addresses 00-15 can be allocated using rotary switch ENC1 if both F1 DIP switches are set to "OFF". Move DIP switches 1 and 2 to different positions to allocate up to 64 addresses.
② F2: Function logic of the On/Off contact
If both F2 DIP switches are set to "OFF", the system starts up when the CN46 contact is closed. If the CN46 contact is opened the system switches to standby. If the CN46 contact is closed again, the system operates in the most recently used operating mode.
③ CN46: Potential-free contact for external on/off switching
Bridged in the factory. If the contact is closed, the system is in normal operation. If the contact is opened the system switches to standby mode. Closing the contact again switches the system to the most recently used operating mode.
④ ENC3: Addressing of the indoor unit
An address can be assigned to the indoor unit using the rotary switch. The address is set to "00" in the factory. If you use several units with a Smart Control Touch Controller, they must be set to different addresses. The letters A-F stand for addresses 10-16.
⑤ CN41/CN42: X, Y, E interface for superordinate controller
A superordinate controller (such as a mart-Control Touch SC-1) can be connected using the X, Y and E interface. Observe the installation and operating instructions of the respective accessory part when doing this.
⑥ CN45: Potential-free alarm contact
In the event of a system malfunction, this contact is closed. Customer-provided unit control technology (GLT) can be connected here to provide fault notification.
REMKO RVT series
Electrical wiring for optional KFB-R redundancy controller
When establishing the connection between the unit series RVT 265-355 DC and the redundancy control KFB-R, the "InF" parameter of the redundancy control must be set to 1.
9 Before commissioning
After leak testing has been successfully completed, connect the vacuum pump via the pressure gauge station to the valve connections on the outdoor unit (see chapter "Leak testing") and create a vacuum.
Perform the following checks prior to putting the unit into operation for the first time and after any work on the cooling cycle. Record the results in the commissioning report:
Check all refrigerant piping and valves for leak-tightness using leak detection spray or soapy water.
- Check the refrigerant piping and insulation for damage.
- Check the electrical connection between the indoor unit and the outdoor unit for correct polarity.
Check that all fastenings, mountings, etc. are firm and at the correct level.
10 Commissioning
! NOTICE!
Commissioning should only be performed by specially trained personnel and documented after the certificate has been issued. Observe the operating manuals for the indoor unit and outdoor unit when commissioning the entire system.
Once all the components have been connected and tested, the system can be put into operation. A functional check should be performed to verify its correct function and identify any unusual operating behaviour prior to handing it over to the operator.
! NOTICE!
Check that the shut-off valves and valve caps are tight after carrying out any work on the cooling cycle. Use appropriate sealant products as necessary.
Functional checks and test run
Check the following points:
- Leak-tightness of the refrigerant piping.
■ Compressor and fan running smoothly.
In cooling mode, cold air output by the indoor unit, and warm air output by the outdoor unit.
Function test of the indoor unit and all program sequences.
Check of the surface temperature of the suction pipe and that the vaporiser is not overheating. To measure the temperature, hold the thermometer to the suction pipe and subtract the boiling point temperature reading on the pressure gauge from the measured temperature.
Record the measured temperatures in the commissioning report.
REMKO RVT series
Function test of the cooling and heating modes
- Remove the protective caps from the valves.
- Start the commissioning procedure by briefly opening the shut-off valves on the outdoor unit until the pressure gauge indicates a pressure of approx. 2 bar.
- Check all connections for leaks with leak detection spray and suitable leak detectors.
- If no leaks are found, fully open the shut-of f valves by turning them anti-clockwise using a spanner. If leaks are found, remedy the faulty connection. It is imperative that the vacuum creation and drying steps are repeated.
- Activate the main circuit breaker or fuse (to be provided by the customer).
- Press the test knob on the outdoor unit and wait until a frequency of min. 50 Hz is established.
- Use the remote control to switch on the unit and select the cooling mode, maximum fan speed and lowest target temperature.
- Check the overheating, outside, inside, outlet and vaporisation temperatures and record the measured values in the commissioning report. Check the correct function and settings of all regulation, control and safety devices.
- Check the unit control system using the functions described in the chapter "Operation". Timer, temperature setting, fan speeds and switching to ventilation or dehumidification mode.
- Check the correct function of the condensate drainage by pouring distilled water into the condensate tray. A bottle with a spout is recommended for pouring the water into the condensation tray.
- Switch the indoor unit to heating mode.
- During the test run, check the functionality of all of the previously described safety devices.
- Record the measured values into the commissioning report and familiarise the operator with the system.
- Remove the pressure gauge. Check that seals have been fitted in the sealing caps.
- Re-install all disassembled parts.
11 Troubleshooting, fault analysis and customer service
11.1 Troubleshooting and customer service
The unit and components are manufactured using state-of-the-art production methods and tested several times to verify their correct function. However, if alarms should occur, please check the functions as detailed in the list below. For systems with an indoor unit and outdoor unit, refer to the chapter "Troubleshooting and customer service" in both operating manuals. Please inform your dealer if the unit is still not working correctly after all function checks have been performed!
Operational malfunctions
| Malfunction Possible causes | Checks Remedial measures | ||
| The unit does not start or switches itself off | Power failure, under-voltage, defective mains fuse / main switch in OFF position | Does all other electrical equipment function correctly? | Check the voltage and if necessary, wait for it to come back on |
| Damaged power supply Does all other elec. equipment function correctly? | Repair by specialist firm | ||
| Wait time after switching on is too short | Have approx. 5 minutes elapsed since the restart? | Schedule longer wait times | |
| Temperature outside operating range | Are the fans in the indoor unit and outdoor unit working correctly? | Observe temperature ranges of indoor unit and outdoor unit | |
| Electrical surges caused by thunderstorms | Have there been lightning strikes in the area recently? | Switch off the mains breaker and switch it back on. Have it inspected by a specialist | |
| Malfunction of the external condensate pump | Has the pump shut down due to a malfunction? | Check and if necessary clean the pump | |
| The unit does not respond to the remote control | Transmission distance too far / receiver affected by interference | Does the indoor unit beep when pressing a key? | Reduce the distance to less than 6 m or change position |
| Defective remote control Is the unit running in manual mode? | Replace the remote control | ||
| Receiver or transmitter unit exposed to excessive solar radiation | Does it function correctly in the shade? | Place the receiver and/or transmitter unit in the shade | |
| Electromagnetic fields are interfering with transmission | Does it function after removing potential sources of interference? | Signal is not transmitted when interference sources are operational | |
| Key in remote control jammed / two buttons pressed at same time | Does the “Transmitting” symbol appear on the display? | Release the key / only press one key | |
| Batteries in remote control are flat | Have new batteries been inserted? Is the display incomplete? | Insert new batteries | |
| The unit works at reduced or no cooling capacity | Filter is dirty / air inlet / outlet opening is blocked by debris | Have the filters been cleaned? | Clean the filters |
REMKO RVT series
| Malfunction Possible causes | Checks Remedial measures | ||
| Windows and doors open. Heating / cooling load has increased | Have structural / usage modifications been made? | Close windows and doors / install additional units | |
| Cooling mode is not set Does the cooling symbol appear on the display? | Correct the settings for the unit | ||
| Fins on outdoor unit blocked by foreign objects | Does the fan of the outdoor unit work? Are the exchanger fins unob-structed? | Check the fan or winter fan speed control, reduce the air resistance | |
| Leaking cooling cycle Are there signs of frost on the exchanger fins of the indoor unit? | Repair by specialist | ||
| Condensate discharge on unit | Drainage pipe on collection container clogged / damaged | Can the condensate drain off without any obstruction? | Clean the drainage pipe and collection container |
| Faulty external condensate pump or float | Is the collection tray full of water and the pump not running? | Call out a specialist to replace the pump | |
| Condensate has not drained away and has collected in the condensate drainage line | Is there an incline on the condensate drainage line? Check there is no blockage in the pipe. | Route the condensate drainage line with an incline and clean. | |
| Condensate does not drain off | Are the condensate drainage lines unblocked and is there a steady incline? Are the condensate pump and liquid level switch functioning correctly? | Route the condensate drainage line with an incline and clean it. If the liquid level switch or the condensate pump is defective, have them replaced | |
NOTE
If the outdoor unit makes noises at low outside temperatures, even although it is switched off, this is not a malfunction. This is the winding of the compressor being run briefly in order to heat up the oil within it and also to guarantee the viscosity at low ambient temperatures. If you do not use the unit in the winter then you can switch off the breaker. Switch it back on again at least 12 hours before the next time that the unit will be required!
Fault display on the indoor unit
Display Error description
| E0 EEPROM error, indoor unit |
| E1 Communication error between indoor unit and outdoor unit |
| E3 Fan speed control indoor unit disabled |
| E4 Room temperature probe T1 defective |
| E5 Temperature probe, evaporator T2 defective |
| F0 Overflow protection |
| F1 Temperature probe air inlet outdoor unit T4 defective |
| F2 Temperature probe, evaporator outlet T3 defective |
| F3 Temperature probe, heat gas line T5 defective |
| F4 EEPROM error, outdoor unit |
| F5 Condenser fan speed control probe not working |
| P0 Compressor actuation error |
| P1 Over-voltage or under-voltage error |
| P2 Compressor overheating protection (heat gas temperature t |
| P4 Inverter control disabled |
| EC No cooling capacity after 30 minutes |
| dF Defrosting |
| CP No external release |
| CL Self-cleaning function active |
For fault elimination refer to troubleshooting on the following pages.
11.2 Indoor unit fault analysis
Error code: E0/F4
| Reason: The control board of the outdoor unit or indoor unit cannot read the unit memory (EEPROM) |
Cause: Installation error
■ Control boards of outdoor unit or indoor unit defective
Switch off voltage, switch on again 2 minutes later. Is the error still present?
Replace the circuit boards of the outdoor unit and indoor unit in turn, in order to locate the defective EEPROM
REMKO RVT series
| Error code: E1 | ||
| Reason: The indoor unit does not receive a signal from the outdoor unit within 110 seconds. The check is performed 4 times in a row, then error E1 is displayed. | ||
| Cause: | Electrical connection not configured correctlyControl boards outdoor unit or indoor unit defective | |
| Switch off voltage, switch on again 2 minutes later. Is the error still present? | ||
 | ||
| Measure the voltage between the “S” and “N” terminals of the outdoor unit. Does the valve fluctuate between -25 V and 25 V? | NO→ | Check electrical connections in the indoor unit.Are they OK? |
 | ↓YES | |
| Check electrical connections in the outdoor unit. Are they OK? | Replace the control boards of the indoor unit. Is the error rectified? | |
 | ↓NO | |
| Is the transformer OK? | Replace the control boards of the outdoor unit | |
| NO→ | Replace the transformer | |
 | ||
| Replace the control boards of the outdoor unit.Is the error rectified? | ||
 | ||
| Replace the control boards of the indoor unit | ||
Fig. 42: Transformer measurement
Check the transformer (must not be connected to a condenser) with a multimeter. The normal value is approx. 0 Ohm. If the value deviates, replace the transformer.
| Error code: E3/F5 | |
| Reason: If the fan speed of the indoor unit/outdoor unit falls below 300 rpm, the unit switches off and the display shows error code E3 or F5 | |
| Cause: | Electrical connection faultyEvaporator fan wheel defectiveEvaporator fan motor defectiveControl board faulty |
| Switch off voltage, switch on again 2 minutes later. Is the error still present? | NO | The unit operates normally. |
| ↓YES | ||
| De-energise the unit and attempt to turn the fan wheel by hand. Does it rotate freely? | NO | Check the motor and the fan wheel bearing, and replace the defective parts. |
| ↓YES | ||
| Check the electrical connections. Are these correctly implemented? | NO | Correctly establish the electrical connection |
| ↓YES | ||
| Measure the voltage at the corresponding connector plug on the control board (see section ➔ ‘Procedure’ on page 54). Does the measured voltage lie within the tolerance range? | NO | Replace the control board. |
| ↓YES | ||
| Replace the fan motor. Is the error rectified? | NO | |
REMKO RVT series
Procedure
DC fan motor of the indoor unit (control chip is installed in the motor):
Switch on the voltage to the unit. In standby mode, measure the unit between terminals 1-3 and 4-3 of the connector plug. Check the measured values against those listed in the table below. If these differ, there is a problem with the control board and it must be replaced.
natural_image
Technical line drawing of a 13456-pin connector with pin layout (no text or symbols on the diagram itself)Fig. 43: Motor measurements
| Terminal Colour Voltage | ||
| 1 Red 280V~380V | ||
| 2 --- --- | ||
| 3 Black 0 V | ||
| 4 White 14-17.5V | ||
| 5 Yellow | 0~5.6V | |
| 6 | Blue | 14-17.5V |
DC fan motor of the outdoor unit (control chip is installed in the motor):
Measure the resistance between terminals 1-3 and 4-3. This should be roughly identical. If the resistance deviates significantly, assume that the motor is defective and must be replaced.
| Error code: EC | ||
| Reason: The evaporator probe T2 measures the actual value with the compressor start and takes this as the reference value T_Start . If, 8 minutes after the compressor start, the value T_Start has not dropped by 2 °C for at least 4 seconds then the system assumes that the refrigerant is low. The measurement is performed a total of 3 times before the display shows the error code "EC". | ||
| Cause: | Refrigerant low or cooling circuit blockedEvaporator probe T2 defectiveIndoor unit control board defective | |
| Switch off voltage, switch on again 2 minutes later. Is the error still present? | ||
 | ||
| Check whether the indoor unit blows out cold air. | JOO→ | Check the position and function of the evaporator probe T2. Is it correctly seated and with the correct resistance? |
 | ↓YES | |
| Check the cooling circuit for leaks. Did you find a leak? | Exchange the control boards of the indoor unit. | |
| JOO→ | Remedy leaks and put the unit back into operation. | |
 | ||
| Check the cooling circuit for any blockages. Are the shut-off valves on the outdoor unit open? | ||
REMKO RVT series
| Error code: E4 / E5 / F1 / F2 / F3 | ||
| Reason: If the test voltage of the probes is lower than 0.06 V or higher than 4.94 V then the display shows the error code of the corresponding probe. | ||
| Cause: | Electrical connection faultyTemperature probe defectiveControl board defective | |
| Check the connecting cable between the control board and the temperature probe. Is it OK and correctly connected? |  | Establish a proper connection. |
 | ||
| Check the probe for correct resistance, depending on the temperature (see resistance table) |  | Replace the probe. |
 | ||
| Replace the corresponding control board. | ||
Fig. 44: Check the probes
| Error code: F0 | |||
| Reason: Safety shutdown due to overly high current consumption of individual unit components | |||
| Cause: | Faulty power supplyCooling circuit blockedFaulty control boardElectrical connections faultyCompressor defective | ||
| Check the supply voltage. Is this correct? | NO→ | Switch the unit off and ensure correct supply voltage. | |
| ↓YES | |||
| Check the cooling circuit for any blockages. Is the cooling circuit OK? | NO→ | Remove the blockage (shut-off valve open?) | |
| ↓YES | |||
| Check the winding resistances of the compressor. Are they OK? | NO→ | Replace the compressor. | |
| ↓YES | |||
| Check the electrical connections. Are these correctly implemented? | NO→ | Replace or correct the electrical connections. | |
| ↓YES | |||
| Does the transformer operate fault-free? (See ⇔ on page 52) | NO→ | Replace the transformer or control boards of the outdoor unit. | |
| ↓YES | |||
| Replace the outdoor unit. | |||
REMKO RVT series
| Error code: P0 | ||
| Reason: If the power supply to the compressor controller is faulty, the display shows the error code “P0” and the unit switches off | ||
| Cause: | Electrical connection faultyFaulty control boardCondenser fan motor defective or blockedCompressor defective | |
| Check the connecting cables between the control board and compressor? Are they faulty? | JOO→ | Establish a correct connection between the control board and compressor. |
| ↓NO | ||
| Check the inverter controller (see section & ‘Check the inverter controller’ on page 58). Error rectified? | NO→ | Replace the control board. |
| ↓YES | ||
| Check the condenser fan motor. Is it working correctly? | NO→ | See troubleshooting fault F5 |
| ↓YES | ||
| Check the winding resistances of the compressor. Are they OK? | NO→ | Replace the compressor. |
| ↓YES | ||
| Exchange the control boards of the outdoor unit. | ||
Check the inverter controller
Switch off the power supply to the unit. Wait until the capacitors are fully discharged and disconnect the compressor from the control board.
Check the resistances at the outputs of the control board with the aid of a digital voltmeter as follows:
| Voltmeter Normal resistance | |||
| (+) Red (-) Black RVT 265 DC RVT 355 DC | |||
| U | N | 2.35 Ω(20°C/68°F) | 1.57 Ω(20°C/68°F) |
| V | |||
| W | |||
| (+) Red | |||
| Error code: P1 | ||
| Reason: Overvoltage or undervoltage protection has tripped | ||
| Cause: | Faulty supply voltageRefrigerant low or cooling circuit blockedFaulty control board | |
| Check the power supply. Is the supply voltage correct? | NO→ | Switch the unit off and have the power supply checked/corrected. |
 | ||
| Check the electrical connections. Are they OK? | NO→ | Replace the electrical connections. |
 | ||
| Switch the power on and put the unit into standby mode. Measure the voltage on the board, at contacts "P" and "N". This should be approx. 310V, 340V or 380V DC. Now start the unit. The voltage between "P" and "N" should now be between 220-400V. Is the correct voltage applied? | NO→ | Replace the control board. |
 | ||
| Check the transformer. Is a defect present? | NO→ | Replace the control board. |
 | ||
| Replace the transformer. | ||
REMKO RVT series
| Error code: P2 (with units with a thermal contact) | |||
| Reason: If the test voltage of the thermal contact does not lie at 5 V, then the display shows the error message “P2” | |||
| Cause: | Faulty supply voltageRefrigerant low or cooling circuit blockedFaulty control board | ||
| Check the air flow volumes of the indoor unit and outdoor unit. Are they blocked or dirty? |  | Clean the filter or heat exchanger and ensure a sufficient air flow volume. | |
 | |||
| Switch off the power supply to the unit and switch it on again after 10 mins.Does the unit start up? | |||
 | |||
| Check the temperature of the compressor. Has it heated up? | NO→ | Check the thermal contact. Is it correctly connected? | |
| ↓YES | ↓NO | ||
| Measure the resistance of the thermal contact.Is it 0? | Connect it correctly. | ||
 | ↓YES | NO→ | |
| Check the cooling circuit. Is this OK? |  | Replace the control board of the outdoor unit. | |
| Error code: P4 | ||
| Reason: Safety shutdown of inverter controller. Internal system monitoring triggered (e.g. communication problem between board and compressor, the compressor speed is not OK) | ||
| Cause: | Faulty electrical connectionsInverter regulation on board defectiveCondenser fan motor defectiveCompressor defectiveControl board defective | |
| Check the electrical connection between the control board and compressor. Are these correctly implemented? | JOO→ | Establish a proper connection. |
| ↓NO | ||
| Check the inverter controller. Is this functional? | NO→ | Replace the control board. |
| ↓YES | ||
| Check the condenser fan motor. Is this OK? | NO→ | Follow the instructions for troubleshooting fault F5 |
| ↓YES | ||
| Check the winding resistances of the compressor. Are they OK? | NO→ | Replace the compressor |
| ↓YES | ||
| Replace the control boards of the outdoor unit. | ||
Check the individual components. Check the temperature probes
Disconnect the temperature probe from the control board and measure the resistance on the plug's contacts.
1: Multimeter
Error code: dF
Reason: The unit is in heating mode and the outdoor unit is being defrosted. After the defrost phase, the indoor unit automatically switches back to the last operating mode.
REMKO RVT series
11.3 Resistances of the temperature probes
Probe T1, T2, T3 and T4
| Temp. (°C) | Resistance (kΩ) | Temp. (°C) | Resistance (kΩ) |
| -20 115.27 12 18.72 | |||
| -19 108.15 13 17.80 | |||
| -18 101.52 14 16.93 | |||
| -17 96.34 15 16.12 | |||
| -16 89.59 16 15.34 | |||
| -15 84.22 17 14.62 | |||
| -14 79.31 18 13.92 | |||
| -13 74.54 19 13.26 | |||
| -12 70.17 20 12.64 | |||
| -11 66.09 21 12.06 | |||
| -10 62.28 22 11.50 | |||
| -9 58.71 23 10.97 | |||
| -8 56.37 24 10.47 | |||
| -7 52.24 25 10.00 | |||
| -6 49.32 26 9.55 | |||
| -5 46.57 27 9.12 | |||
| -4 44.00 28 8.72 | |||
| -3 41.59 29 8.34 | |||
| -2 39.82 30 7.97 | |||
| -1 37.20 31 7.62 | |||
| 0 35.20 32 7.29 | |||
| 1 33.33 33 6.98 | |||
| 2 31.56 34 6.68 | |||
| 3 29.91 35 6.40 | |||
| 4 28.35 36 6.13 | |||
| 5 26.88 37 5.87 | |||
| 6 25.50 38 5.63 | |||
| 7 24.19 39 5.40 | |||
| 8 22.57 40 5.18 | |||
| 9 21.81 41 4.96 | |||
| 10 20.72 42 4.76 | |||
| 11 19.69 43 4.57 |
| Temp. (°C) | Resistance (kΩ) | Temp. (°C) | Resistance (kΩ) |
| 44 4.39 | 79 1.21 | ||
| 45 4.21 | 80 1.17 | ||
| 46 4.05 | 81 1.14 | ||
| 47 3.89 | 82 1.10 | ||
| 48 3.73 | 83 1.06 | ||
| 49 3.59 | 84 1.03 | ||
| 50 3.45 | 85 1.00 | ||
| 51 3.32 | 86 0.97 | ||
| 52 3.19 | 87 0.94 | ||
| 53 3.07 | 88 0.91 | ||
| 54 2.96 | 89 0.88 | ||
| 55 2.84 | 90 0.85 | ||
| 56 2.74 | 91 0.83 | ||
| 57 2.64 | 92 0.80 | ||
| 58 2.54 | 93 0.78 | ||
| 59 2.45 | 94 0.75 | ||
| 60 2.36 | 95 0.73 | ||
| 61 2.27 | 96 0.71 | ||
| 62 2.19 | 97 0.69 | ||
| 63 2.11 | 98 0.67 | ||
| 64 2.04 | 99 0.65 | ||
| 65 1.97 | 100 0.63 | ||
| 66 1.90 | 101 0.61 | ||
| 67 1.83 | 102 0.59 | ||
| 68 1.77 | 103 0.58 | ||
| 69 1.71 | 104 0.56 | ||
| 70 1.65 | 105 0.54 | ||
| 71 1.59 | 106 0.53 | ||
| 72 1.54 | 107 0.51 | ||
| 73 1.48 | 108 0.50 | ||
| 74 1.43 | 109 0.48 | ||
| 75 1.39 | 110 0.47 | ||
| 76 1.34 | 111 0.46 | ||
| 77 1.29 | 112 0.45 | ||
| 78 1.25 | 113 0.43 | ||
| 114 0.42 | 127 0.30 | ||
| 115 0.41 | 128 0.29 | ||
| 116 0.40 | 129 0.28 | ||
| 117 0.39 | 130 0.28 | ||
| 118 0.38 | 131 0.27 | ||
| 119 0.37 | 132 0.26 | ||
| 120 0.36 | 133 0.26 | ||
| 121 0.35 | 134 0.25 | ||
| 122 0.34 | 135 0.25 | ||
| 123 0.33 | 136 0.24 | ||
| 124 0.32 | 137 0.23 | ||
| 125 0.32 | 138 0.23 | ||
| 126 0.31 | 139 0.22 |
Probe T5
| Temp. (°C) | Resistance (kΩ) | Temp. (°C) | Resistance (kΩ) |
| -20 542.7 -2 200.7 | |||
| -19 511.9 -1 190.5 | |||
| -18 483.0 0 180.9 | |||
| -17 455.9 1 171.9 | |||
| -16 430.5 2 163.3 | |||
| -15 406.7 3 155.2 | |||
| -14 384.3 4 147.6 | |||
| -13 363.3 5 140.4 | |||
| -12 343.6 6 133.5 | |||
| -11 325.1 7 127.1 | |||
| -10 307.7 8 121.0 | |||
| -9 291.3 9 115.2 | |||
| -8 275.9 10 109.8 | |||
| -7 261.4 11 104.6 | |||
| -6 247.8 12 99.69 | |||
| -5 234.9 13 95.05 | |||
| -4 222.8 14 90.66 | |||
| -3 211.4 15 86.49 |
| Temp. (°C) | Resistance (kΩ) | Temp. (°C) | Resistance (kΩ) |
| 16 82.54 51 18.96 | |||
| 17 78.79 52 18.26 | |||
| 18 75.24 53 17.58 | |||
| 19 71.86 54 16.94 | |||
| 20 68.66 55 16.32 | |||
| 21 65.62 56 15.73 | |||
| 22 62.73 57 15.16 | |||
| 23 59.98 58 14.62 | |||
| 24 57.37 59 14.09 | |||
| 25 54.89 60 13.59 | |||
| 26 52.53 61 13.11 | |||
| 27 50.28 62 12.65 | |||
| 28 48.14 63 12.21 | |||
| 29 46.11 64 11.79 | |||
| 30 44.17 65 11.38 | |||
| 31 42.33 66 10.99 | |||
| 32 40.57 67 10.61 | |||
| 33 38.89 68 10.25 | |||
| 34 37.30 69 9.90 | |||
| 35 35.78 70 9.57 | |||
| 36 34.32 71 9.25 | |||
| 37 32.94 72 8.94 | |||
| 38 31.62 73 8.64 | |||
| 39 30.36 74 8.36 | |||
| 40 29.15 75 8.08 | |||
| 41 28.00 76 7.82 | |||
| 42 26.90 77 7.57 | |||
| 43 25.86 78 7.32 | |||
| 44 24.85 79 7.09 | |||
| 45 23.89 80 6.86 | |||
| 46 22.89 81 6.64 | |||
| 47 22.10 82 6.43 | |||
| 48 21.26 83 6.23 | |||
| 49 20.46 84 6.03 | |||
| 50 19.69 85 5.84 |
REMKO RVT series
| Temp. (°C) | Resistance (kΩ) | Temp. (°C) | Resistance (kΩ) |
| 86 5.66 | 109 2.86 | ||
| 87 5.49 | 110 2.78 | ||
| 88 5.32 | 111 2.70 | ||
| 89 5.16 | 112 2.63 | ||
| 90 5.00 | 113 2.56 | ||
| 91 4.85 | 114 2.49 | ||
| 92 4.70 | 115 2.42 | ||
| 93 4.56 | 116 2.36 | ||
| 94 4.43 | 117 2.29 | ||
| 95 4.29 | 118 2.23 | ||
| 96 4.17 | 119 2.17 | ||
| 97 4.05 | 120 2.12 | ||
| 98 3.93 | 121 2.06 | ||
| 99 3.81 | 122 2.01 | ||
| 100 3.70 | 123 1.96 | ||
| 101 3.60 | 124 1.91 | ||
| 102 3.49 | 125 1.86 | ||
| 103 3.39 | 126 1.81 | ||
| 104 3.30 | 127 1.76 | ||
| 105 3.20 | 128 1.72 | ||
| 106 3.11 | 129 1.67 | ||
| 107 3.03 | 130 1.63 | ||
| 108 2.94 |
12 Care and maintenance
Regular care and observation of some basic points will ensure trouble-free operation and a long service life.
DANGER!
Prior to performing any work, ensure the equipment is disconnected from the voltage supply and secured to prevent accidental switch-on!
Care
- Ensure the unit is protected against dirt, mould and other deposits.
Only clean the unit using a damp cloth. Do not use any caustic, abrasive or solvent-based cleaning products. Do not use a jet of water. - Clean the fins on the unit prior to long shutdown periods.
Maintenance
It is recommended that you take out a maintenance contract with a yearly service from an appropriate specialist firm.
This enables you to ensure the operational reliability of the plant at all times!
NOTICE!
Statutory regulations require an annual leak test for the cooling cycle dependant on the refrigerant quantity. Inspection and documentation of the work performed is to be carried out by specialist technicians.
| Type of task Checks/maintenance/inspection | Commissioning | Monthly Half-yearly | Yearly |
| General | ● | ● | |
| Check voltage and current | ● | ● | |
| Check function of compressor / fans | ● | ● | |
| Dirt on condenser / evaporator | ● | ● | |
| Check the refrigerant volume | ● | ● | |
| Check condensate drainage | ● | ● | |
| Check insulation | ● | ● | |
| Check moving parts | ● | ● | |
| Sealing test for cooling cycle | ● | ●1) |
1) see note
REMKO RVT series
Cleaning the housing
- Disconnect the power supply to the unit.
- Open and fold the air inlet grill on the front side upwards.
- Clean the grill and cover with a soft, damp cloth.
- Switch the power supply back on.
Cleaning the air filter
Clean the air filter at intervals of no more than 2 weeks. Reduce this interval if the air is especially dirty.
Please proceed as follows to clean the filters:
- Lift the front panel of the indoor unit.
- First press the clip of the filter up and release the clasp, lift it and pull it out from the front.
natural_image
Diagram of a hand pressing down on a computer ventilation unit with an upward arrow indicating motion (no text or symbols present)- Pull out the filter
natural_image
Line drawing of a car interior with a hand opening the window, showing no text or symbols- If your filter has a small air freshening filter, detach it from the bigger filter.
natural_image
Illustration of hands folding a grid structure into blocks (no text or symbols)- Clean this filter using a normal vacuum cleaner. To do so, turn the dirty side so it is facing upwards.
natural_image
Illustration of a pen writing on a grid-patterned surface (no text or symbols)- Then clean the large air filter with lukewarm water and a mild detergent. The dirty side should be face down.
natural_image
3D rendering of a metal pipe inserted into a grid-patterned surface with a blue liquid level (no text or symbols)- Rinse the filter with fresh water and shake off any excess water. If water is used, let the filter dry out properly in the air before fitting it back into the unit.
- Carefully insert the filter. Ensure that it locates correctly.
- Close the front panel of the indoor unit again.
Cleaning the condensate pump (accessories)
The indoor unit may contain an optional integrated or separate condensate pump, which pumps out any accumulated condensate into higher positioned drains.
Observe the care and maintenance instructions in the separate operating manual.
13 Shutdown
Temporary shutdown
- Let the indoor unit run for 2 to 3 hours in recirculation mode, or in cooling mode at maximum temperature, to extract any residual humidity from the unit.
- Shut down the system using the remote control.
- Switch of unit. f the electrical power supply to the
- Cover the unit as far as possible with plastic foil in order to protect it from the influences of weather.
Permanent shutdown
Ensure that units and components are disposed of in accordance with local regulations, e.g. through authorised disposal and recycling specialists or at collection points.
REMKO GmbH & Co. KG or your contractual partner will be pleased to provide a list of certified firms in your area.
REMKO RVT series
14 Exploded view and spare parts lists
14.1 Exploded view of indoor unit RVT 265-355 DC IT
Fig. 45: Exploded view of the unit RVT 265-355 DC IT
We reserve the right to modify the dimensions and design as part of the ongoing technical development process.
14.2 Spare parts list for the indoor unit RVT 265-355 DC IT
IMPORTANT!
To ensure the correct delivery of spare parts, please always the device type with the corresponding serial number (see type plate)
No. Designation
| 1 Unit trim |
| 2 Air filters, set |
| 3 Intelligent eye |
| 4 Housing front |
| 5 Evaporator |
| 6 Fan bearing |
| 7 Aerator roller |
| 8 Air deflection blade, horizontal |
| 9 Infrared remote control |
| 10 Air deflection blade, vertical, individual |
| 11 Fastening rail |
| 12 Housing back |
| 13 Probe, evaporator |
| 14 Wall bracket spacer |
| 15 Condensate hose |
| 16 Fin motor, vertical |
| 17 Cover |
| 18 Fan motor |
| 19 Temperature probe, indoor air |
| 20 Display box, cpl. |
| 21 Fine dust filter |
| 22 Fin motor, horizontal |
| 23 Control board |
| 24 Temperature probe, evaporator |
| 25 Humidity probe |
| 26 Electrical connections cover |
| 27 27 fan motor cover |
| 28 Fan bearing bracket |
| 29 Refrigerant piping securing bracket |
| 30 Intelligent eye bracket |
REMKO RVT series
14.3 Exploded view of the outdoor units RVT 265-355 DC AT
Fig. 46: Exploded view of the unit RVT 265-355 DC AT
We reserve the right to modify the dimensions and design as part of the ongoing technical development process.
14.4 Spare parts list for outdoor units RVT 265-355 DC AT
IMPORTANT!
To ensure the correct delivery of spare parts, please always the device type with the corresponding serial number (see type plate)
No. Designation
| 1 Air outlet grid |
| 2 Front wall |
| 3 Fan blade |
| 4 Fan motor |
| 5 Fan motor mounting plate |
| 6 Corner panel, left |
| 7 Condensate tray heating |
| 8 Crankcase heating |
| 9 Condenser |
| 10 Air inlet temperature probe |
| 11 Control board |
| 12 Recessed grip |
| 13 Side section, right |
| 14 Floor panel |
| 15 Compressor |
| 16 Heat gas temperature probe |
| 17 Shut-off valve, suction pipe |
| 18 Shut-off valve, injection pipe |
| 19 Partitioning panel |
| 20 Condenser temperature probe |
| 21 4-way valve |
| 22 Electronic injection valve |
| 23 Refrigerant connections cover |
| 24 Cover panel |
REMKO RVT series
15 Index
A
Alarms
Checks 49
Possible causes 49
Remedial measures 49
Assembly
Strip foundation 38
C
Care and maintenance 65
Cleaning
Air filter for indoor unit .... 66
Condensate pump .... 66
Housing .... 66
Condensate drainage connection and safe drainage 38
Condensate pump, electrical wiring diagram ... 42
Cooling mode 17
Customer service 49
D
Disposal of equipment 8
E
Electrical drawings 43, 44
Electrical wiring 40
Electrical wiring diagram 41
Electrical wiring diagram, condensate pump . . . 42
Environmental protection 8
Exploded view of the unit 68,70
F
Fault display on the indoor unit 51
Function test of the cooling and heating modes 48
Functional checks 47
|
Infrared remote control 19
Installation
Outdoor unit 29
Installation materials 28
Intended use 7
K
Keys on the remote control 20
M
Maintenance 65
Manual mode 19
Minimum clearances 31
Multifunction board, connection ..... 45
0
Oil return measures 32
Ordering spare parts 69,71
P
Propellant in accordance with Kyoto Protocol .. 10
R
Remote control
Keys 20
Resistances Temperature probes 62
S
Safe drainage in the event of leakages ..... 39
Safety
Dangers of failure to observe the safety
notes 5
General 5
Identification of notes 5
Instructions for the operator 6
Note for inspection work 6
Note for installation work 6
Note for maintenance work 6
Personnel qualifications 5
Safety-conscious working 6
Unauthorised modification 7
Unauthorised replacement part manufacture . 7
Shutdown
Permanent 67
Temporary 67
Spare parts list 69,71
T
Temperature probes
Resistances 62
Test run 47
Troubleshooting and customer service ..... 49
U
Unit installation 34
W
Wall opening 28
Warranty 7
REMKO RVT series
REMKO QUALITY WITH SYSTEMS
Air-Conditioning | Heating | New Energies
REMKO GmbH & Co. KG
Hotline within Germany
+49 (0) 5232 6 06-0
Hotline International
- Operating and installation instructions
- Table of contents
- Safety and usage instructions.... 5
- Technical data....9
- Design and function.... 16
- Operation.... 19
- Installation instructions for qualified personnel.... 28
- Installation.... 34
- Condensate drainage connection and safe drainage.... 38
- Electrical wiring.... 40
- REMKO RVT series
- Before commissioning.... 47
- Commissioning.... 47
- Troubleshooting, fault analysis and customer service.... 49
- Care and maintenance.... 65
- Shutdown.... 67
- Exploded view and spare parts lists.... 68
- Index....72
- Safety and usage instructions
- General safety notes
- Identification of notes
- DANGER!
- WARNING!
- CAUTION!
- NOTICE!
- Personnel qualifications
- Dangers of failure to observe the safety notes
- Safety-conscious working
- Safety instructions for the operator
- Safety notes for installation, maintenance and inspection
- Unauthorised modification and changes
- Intended use
- Warranty
- Transport and packaging
- Environmental protection and recycling
- Disposal of packaging
- Disposal of equipment and components
- Technical data
- Unit data
- Unit dimensions
- Performance data
- Design and function
- Characteristics of REMKO inverter air conditioner with split design
- REMKO inverter technology
- Cooling mode
- Unit description
- Operation
- General notes
- Manual mode
- Infrared remote control
- Indicators on indoor unit
- Keys on the remote control
- ① "ON/OFF" key
- ② "Arrow up" key
- ③ "SET" key
- Intelligent Eye
- Self clean
- ∅ Fresh (ion generator)
- Sleep
- Follow me
- Not available
- ④ "Swing" key
- ⑤ "Fan speed" key
- ⑥ "Turbo" key
- ⑦ "Mode" key
- ⑧ "Airflow redirection" key
- ⑨ "OK" key
- ⑩ "Timer"
- ⑪ "Arrow down" key
- ⑫ "eco gear" key
- ⑬ "Humidity" key
- ⑭ "LED" key
- ① Additional functions
- ② Operating mode
- ② TIMER OFF symbol
- ③ Data transmission
- ④ Timer
- ⑤ Silence
- ⑥ Horizontal swing function
- ⑦ Vertical swing function
- ⑧ Not available
- ⑨ Turbo mode
- ⑩ Battery indicator
- ⑪ eco gear
- ⑫ Key lock
- ⑬ Temperature indicators
- ⑭ Fan speed symbol
- Key functions
- "Auto" mode
- "Cooling", "Heating" and "Recirculation" mode
- "Dehumidification" mode
- "Timer" mode
- Examples of TIMER function settings
- "TIMER ON" (Auto on mode)
- Example:
- "TIMER OFF" (Auto off mode)
- Combined TIMER (setting "TIMER ON" and "TIMER OFF" at the same time)
- Additional functions
- BioClean
- Follow me
- AP function
- Frost protection function
- Key lock
- Installation instructions for qualified personnel
- Important notes prior to installation
- Wall openings
- Installation materials
- Layout, indoor unit
- Installation, mounting outdoor unit
- Outdoor unit installation location
- ! NOTICE!
- Definition of the Danger Area
- Minimum clearances
- Connection variants for the indoor unit
- Oil return measures
- Connection of the indoor unit when the refrigerant piping is installed under the plaster
- Wall bracket of the indoor units
- Installation
- Installation of the indoor unit
- Connecting the refrigerant piping
- Additional notes on connecting the refrigerant piping
- Leak testing
- Adding refrigerant
- Condensate drainage connection and safe drainage
- Condensate drainage connection
- Safe drainage in the event of leakages
- Electrical wiring
- General Information
- Connecting the indoor unit
- Electrical wiring diagram
- Connecting the outdoor unit
- 2: Communication line
- Electrical drawings
- Connection of a superordinate controller
- Before commissioning
- Commissioning
- Functional checks and test run
- Function test of the cooling and heating modes
- Troubleshooting, fault analysis and customer service
- Troubleshooting and customer service
- NOTE
- Fault display on the indoor unit
- Indoor unit fault analysis
- Procedure
- Check the inverter controller
- Check the individual components. Check the temperature probes
- Error code: dF
- Resistances of the temperature probes
- Care and maintenance
- Care
- Maintenance
- Cleaning the housing
- Cleaning the air filter
- Cleaning the condensate pump (accessories)
- Shutdown
- Temporary shutdown
- Permanent shutdown
- Exploded view and spare parts lists
- Exploded view of indoor unit RVT 265-355 DC IT
- Spare parts list for the indoor unit RVT 265-355 DC IT
- IMPORTANT!
- Exploded view of the outdoor units RVT 265-355 DC AT
- Spare parts list for outdoor units RVT 265-355 DC AT
- Index
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- REMKO QUALITY WITH SYSTEMS
Brand : REMKO
Model : RVT 355 DC
Category : Air conditioner