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USER MANUAL U798CH1 ROTEL
MOBILEAIRCONDITIONER798CH1
U798CH1


- Control panel
- Top cover
- Adjustable slats
- Rear housing
- Front housing
- Castor
- Exhaust pipe
8 Piastra sigillante per finestra
9 Telecomando
10 Pannello posteriore
11 Filtro EVA
12 Gancio avolgicavo
- Window sealing plate assembly
- Remote control
- Rear housing
- EVA-filter screen
- Power cord hooks
- Handle
- Exhaust outlet
- Continuous drain hole
- Lower filter screen
- Air inlet grid
- Water outlet
Scolo continuo 42
Manutenzione 42
Smontaggio e conservazione 43
Risoluzione dei problemi 44
- Carateristiche tecniche 45
Smaltimento 45
English 47
- Safety instructions 47
Main features at a glance 50
Installation and adjustment 50
Installing the exhaust pipe 50
Installing the window sealing plate assembly 50
Installing the unit 51
Control panel and remote 52
Control panel. 52
Remote control. 53
Protection features 54
Frost protection. 54
Overflow protection. 54
Automatic defrosting. 54
Protection of the compressor . 54
Drainage instructions 54
Manual drainage 54
Continuous drainage 55
- Cleaning and maintenance. 55
Storage 56
Troubleshooting 57
Technical specifications 58
Disposal 58
D/F/I/E. 60
Garantie / Garantie / Garanzia / Warranty 60
Deutsch
SICHERHEITSHINWEISE
Please read all instructions before using the device.
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This appliance may be used by persons with limited physical, sensory or mental abilities or lack of experience and/or knowledge, if they are supervised by persons responsible for their security or if they have been instructed about the safe use of the appliance and therefore fully understand the hazards involved.
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This appliance must not be used by children; the appliance and its power cord must be kept away from children.
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This appliance has been designed for air conditioning domestic environments (indoor operation only) and must not be used for any other purpose, such as for drying clothing, cooling food, etc.
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The installation must be in accordance with regulations of the country where the unit is used. If case of doubt about the electrical installation, it shall be checked and if necessary modified by a qualified electrician.
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The appliance must be plugged into an outlet that is properly installed and earthed.
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Before plugging into a socket, it shall be ensured that the mains voltage matches the voltage specified on the rating plate of the appliance.
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The appliance shall not be operated with a damaged cord or plug, or after the appliance malfunctions, or has been damaged in any manner. It shall be returned to the nearest authorized service facility for examination, repair or adjustment.
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The appliance shall always be unplugged when not in use or when left unattended, and before disassembling or cleaning. It must be unplugged by grasping the plug and never by pulling the cord.
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This appliance is not intended to be used with an external timer or a separate remote control system.
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After the air conditioner is installed, it shall be ensured that the power plug is firmly plugged into the power outlet, and the power cord orderly placed, to prevent someone from tripping or pulling out the plug.
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No object or obstacle shall ever come into or block the air inlet and outlet of the air conditioner. Cool
ing performance may be reduced or stopped completely.
- The appliance must always be operated with the air filter mounted. The use of the conditioner without its filters could cause an excessive accumulation of dust or waste on the inner parts of the device with possible subsequent failures.
○ Incorrect repair attempt, assembly, reassembly or use of any accessory attachment not recommended or sold by the manufacturer may cause fire, electric shock or personal injury and will void the manufacturer's warranty.
- The air conditioner shall not be installed and used in bathroom or other humid environments, contact with water or other fluid shall be avoided. Water can cause electrical shock or equipment damage.
The appliance shall not be installed closer than 50~cm from flammable substances (alcohol, etc.), heat sources or pressurized containers (e.g. spray cans).
- A clearance of at least 50~cm from walls, furniture and curtains shall always be kept when operating the device.
MAIN FEATURES AT A GLANCE
New look, compact structure, streamlined machine, classy design.
Different operation modes such as cooling, dehumidification and fan.
o Adjustable slats for directing the air flow.
LED display and easy-to-understand control section with symbols.
O Fully mobile thanks to four 360 ^ movable floor castors
- INSTALLATION AND ADJUSTMENT
O Warning: before using the mobile air conditioner, let it stand straight for at least two hours.
- When moving the device, make sure to keep it in an upright position.
- Place the air conditioner in a flat and dry place and keep above 50~cm between the machine and the surrounding objects or walls.
Installing the exhaust pipe
- Screw the exhaust pipe (exhaust fitting end) into the exhaust port on the rear panel (counterclockwise).

Figure 1
Installing the window sealing plate assembly
- Half open the window and mount the window sealing plate to the window frame (as shown in Figure 2 and 3); the assembly can be placed in horizontal and vertical direction.
- Adjust the opening distance of the window sealing plate to bring both ends of the plate into contact with the window frame, and fix the various components of the assembly.

Figure 2

Figure 3
Installing the unit
- Move the machine with installed exhaust pipe and fittings towards the window. Distance between the unit and adjacent walls or other objects shall be least 50~cm (as shown in Fig. 4).
Notes:
The flat end of the exhaust pipe joints must be snapped into place.
The pipe cannot be distorted nor has substantial bend (greater than 45^ ). Keep the ventilation of the exhaust pipe unobstructed.
- Elongate the exhaust pipe and snap the flat end of it into the elliptical hole of the window sealing plate (as shown in Figure 5 and 6).

Figure 5

Figure 6
Caution:
The length of the exhaust pipe shall be 280 1,500~mm , and this length is based on the specifications of this air conditioner. Do not use extension tubes or replace it with a different pipe, as this may cause a malfunction.
Exhaust must be unobstructed; otherwise it may cause overheating.
- CONTROL PANEL AND REMOTE
Control panel

1 Timer key
2 Fan speed selection
3 Up key
4 LCD Display
5 Down key
6 Mode selection
7 Power key
8 Remote control reception window
Power key
Press the key to turn on or turn off the machine.
Mode selection key
Press the key to switch between cooling, fan and dehumidification mode.
Up and Down keys
Press the key to increase/decrease temperature and timing set value.
Pressing the up and down key simultaneously switches the display of the temperature between degrees Celsius and Fahrenheit.
Fan speed selection key
In cooling and air supply mode, press the key to select high, medium or low wind speed operation.
In dehumidification mode, pressing the key is invalid, and the fan will forcibly choose low wind speed operation.
Timer key
In the case of power on, press the key to close timing; in the case of power off, press the key to open timing.
Press the key, when the timing symbol flashes, press Up and Down key to select the required timing value.
- Timing values can be set within 1-24 hours and the timing value is adjusted upwards or downwards by one hour increments.
Remote control
Power: press the key to turn the device on or off.
Mode: press the key to switch between cooling, air supply and dehumidification mode.
Up: press the key to increase temperature and timing set value.
Down: press the key to reduce temperature and timing set value.
- Fan: press the key to select high, medium and low wind speed output circularly.
Timer: press the key to set timing value.
Swing: press the key to open or close swing style. Air flow of the air outlet can blow at different angles.
C F: press the key to switch between Celsius and Fahrenheit.

Remote control
PROTECTION FEATURES
Frost protection
In cooling, dehumidification or power saving mode, if the temperature of the exhaust pipe is too low, the machine will automatically enter protection status; if the temperature of the exhaust pipe rises to a certain temperature, it can automatically revert to normal operation.
Overflow protection
- When water in the water tray exceeds the warning level, the machine will automatically sound an alarm, and the temperature display will show "FL". At this point, you need to move the drainage pipe connecting the machine or the water outlet to sewer or other drainage area to empty the water (for details, see Drainage Instructions at the end of this chapter). After the water is emptied, the machine will automatically return to the original state.
Automatic defrosting
The machine has an automatic defrosting function.
Protection of the compressor
To increase the service life of the compressor, an electronic device in the unit keeps the compressor turned off for three minutes for safety, in case of a power failure or if the air conditioner is turned off.
- DRAINAGE INSTRUCTIONS
Manual drainage
- When the machine stops if the water compartment is full, turn off the machine power and unplug.
Note: please move the machine carefully, so as not to spill the water in the water tray at the bottom of the unit.

Place a water container below the side water outlet at the back of the unit.
- Unscrew the drain cover and open the water plug, the water will automatically flow into the water container.
Notes:
- Keep the drain cover and the water plug within reach.
During drainage, the unit can be tilted slightly backwards. -
If the water container should be too small to hold all the water, stuff the water outlet with the water plug as soon as possible to prevent water from flowing onto the floor or the carpet.
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When the water is discharged, put the water plug back in, and tighten the drainage cover.
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Note: restart the machine only after the water plug and the drainage cover are securely tightened, otherwise the condensate water of the machine will flow onto the floor or the carpet.
Continuous drainage
Only applicable in cooling and dehumidification modes.
Unscrew the drainage cover, and open the water plug.
- Set the drainage pipe into the water outlet.
Connect the drainage pipe to a bucket.

- CLEANING AND MAINTENANCE
Before cleaning and maintenance, turn off the machine and unplug.
Cleaning of the housing
Clean the surface of the machine with a damp soft cloth. Don't use chemicals, such as benzene, alcohol, gasoline, etc. not to damage the surface of the air conditioner or the device itself.
Cleaning of the filter screen
- If the filter screen is clogged with dust, the air circulation will be impeded, reducing the efficiency of the air conditioner. Therefore, cleaning the filter once every two weeks is recommended.
1 Retaining screw
2 Wedging block
3 Wedging block


Cleaning of the upper filter screen frame
Clasp the wedging block of the EVA-filter screen frame with both hands. Force down from the outside to remove the EVA-filter screen frame. Unscrew the four screws fixing the EVA-filter screen and the rear housing to remove it (as shown above).
Put the EVA-filter screen into warm water (about 40^ ) with neutral detergent and dry it in the shade after rinsing clean.
Cleaning of the lower filter screen frame
Hold the handle of the filter screen frame and pull it outward gently to remove it.
Put the filter screen into warm water (about 40^ ) with neutral detergent and dry it in the shade after rinsing clean.
STORAGE
- Unscrew the drainage cover, open the water plug and discharge the water from the water compartment into a water container or slightly tilt the unit backwards to discharge the water into a container.
o Keep the appliance running on FAN mode for half a day in a warm room to dry the appliance inside and prevent mold formation.
Turn off the machine, unplug the power plug and wrap the power cord around the hooks: replace the water plug and the drainage cover.
○ Remove the exhaust pipe and store it properly. - Remove batteries of the remote control.
○ Cover the air conditioner with a plastic bag. Store in a dry place, keep it out of the reach of children and take dust control measures.
TROUBLESHOOTING
| Problem | Reasons | Solutions |
| The air conditioner does not work | There is no electricity | Turn it on after connecting it to a socket with electricity. |
| The overflow indicator displays FL | Discharge the water inside. | |
| The ambient temperature is too low or too high? | Recommended temperature range to use the machine: 7-35 °C | |
| In cooling mode, the room temperature is lower than the set temperature | Change the set temperature | |
| In dehumidification mode, the ambient temperature is low | The machine is placed in a room with an ambient temperature of more than 17 °C | |
| The cooling effect is not good | There is direct sunlight | Pull the curtains |
| Doors or windows are open; there are a lot of people; or in cooling mode, there are other sources of heat | Close doors and windows, and add new air conditioner | |
| The filter screen is dirty | Clean or replace the filter screen | |
| The air inlet or outlet is blocked | Clear obstructions | |
| The device is very noisy | The air conditioning is not placed on a flat surface | Put the air conditioning on a flat and hard floor (to reduce noise) |
| The compressor does not work | Overheat protection starts | Wait for 3 minutes until the temperature is lowered, and then restart the machine |
| The remote control does not work | The distance between the machine and the remote control is too far | Let the remote control get close to the air conditioning, and make sure that the remote control directly faces to the direction of the remote-control |
| The remote control is not aligned with the direction of the remote-control | ||
| receiver | receiver | |
| Batteries are dead | Replace batteries | |
| Displays ‘E1’ | Pipe temperature sensor failure | Check the pipe temperature sensor and related circuitry |
| Displays ‘E2’ | Room temperature sensor failure | Check the room temperature sensor and related circuitry |
Do not repair or disassemble the air conditioner by yourself. Unqualified repair will lead to failure of the warranty card, and may cause damage to users or their properties.
If problems not listed in the table occur or recommended solutions do not work, seek for professional advice.
- TECHNICAL SPECIFICATIONS
| Dimensions (LxWxH) | 430x360x730mm |
| Ambient temperature range | 7 – 35°C |
| Rated input power | 910W |
| Rated voltage | 220 – 240V |
| Rated frequency | 50Hz |
| Net weight | 27.5kg |
| Refrigerant | R410A |
| GWP | 2090 |
| Amount of refrigerant | 500g |
This air conditioner uses R410A refrigerant, which is a fluorinated non-flammable greenhouse gas covered by Kyoto Protocol, with a Global Warming Potential (GWP) of 2090.
DISPOSAL
For proper disposal, please return device to a retailer, a service agent or Rotel AG.
European Directive 2012/19/EC concerning Waste Electrical and Electronic Equipment (WEEE) states that household appliances should not be disposed of using the normal solid urban waste cycle. Exhausted appliances should be collected separately to optimise the cost of re-using and recycling materials comprising the machine, while preventing potential damage to public health and the environment. The
crossed-out wheeled bin symbol appears on all products to remind owners of the obligations regarding separate waste collection. Owners should contact their local authorities or appliance dealers for further information concerning the correct disposal of household appliances.
This appliance conforms to the following EU directives:

2014/35/EU (Low Voltage Directive)
2014/30/EU (Electromagnetic Compatibility Directive)
D/F/I/E
- GARANTIE / GARANTIE / GARANZIA / WARRANTY
2JAHREGARANTIE
2 ANS DE GARANTIE
2 ANNI DIGARANZIA
2 YEARS WARRANTY
4 Warranty commitment
We commit ourselves to repair this device free of charge, should a failure occur within the period of warranty despite proper handling. We repair all defects caused by material or manufacturing faults. The guarantee will be fulfilled either by repairing the device or replacing the defective parts, according to our judgement. A warranty does not cover damages due to wearing parts, damages and defects caused by improper handling or maintenance (such as limescale and commercial use). It will only be granted if either the warranty card stating date of purchase, dealer's stamp and signature, or the purchase receipt is sent with the device to the relevant after-sales service (see address below). Devices shall be returned in their original packaging. Transport costs are to be borne by the purchaser. Remember to specify your address to your sending, as well as a short declaration about the failure, shall the defect not be obvious.
Servicestation:
Service après-venture: Rotel AG
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