KT 20 - Dehumidifier Heylo - Free user manual and instructions

USER MANUAL KT 20 Heylo

About this operating manual

Transport and installation

Device operation and control

Maintenance and care

Decommissioning, storage and disposal

EC Declaration of Conformity

1 Device models This operating manual covers various device models. Their functions and operation are however nearly identical To find out which model you have, refer to the type plate. For further information, see Technische Daten/Technical Data.17

KT 20 Extendable handle, carrier handle, 2 castors KT 45 Fixed handle, 2 large transport wheels 2 Product overview Illustration 1: Front view 1 Handle 2 Recess for stacking dryers 3 Transport wheel 4 Base 5 Inlet air grille with filter holder 6 Carrier handle (KT 20 only) Illustration 2: Rear view 1 Knurled screw for handle ad- justment (KT 45 only) 2 Drain hose connection 3 Power cord 4 Air outlet

Description Device switch Switching device ON/OFF: ■ Position [I]: Device continuously on

Position [II]: Starting pump and draining off condensate Indicators Operating status of device: ■ Green: Device running ■ Yellow: Device in defrosting mode

Red: Fault, device shut down Operating hours counter Display of operating hours Power meter Display of power consumption in kilowatt per hour.

4 About this operating manual This instruction manual (hereinafter referred to as the manual) enables the company operating the device to work safely with the condensation dryer (hereafter referred to as the device). Reproduction of this document or parts thereof is only permitted with the explicit written consent of DAN- THERM GmbH (hereinafter referred to as the manufacturer). NOTICE! Before using the device, please read this manual carefully. Keep this document for future ref- erence. Safety signs and instructions DANGER! Warning regarding an imminent risk of injury This safety/warning instruction refers to an imminent danger of serious or even fatal injury. WARNING! Warning regarding a potential risk of injury This safety warning/instruction refers to a potential danger of serious or even fatal injury. CAUTION! Warning regarding a potential risk of injury This safety warning/instruction refers to a potential danger of minor or medium injury. ATTENTION! Warning regarding damage to property These safety warnings highlight po- tential risks of damage to the device. Contacting DANTHERM GmbH See Technische Daten/Technical Data. 5 Product description The device dehumidifies the air in the room. In the process, condensate collects in the condensate tank from where it can be removed by means of a built-in pump to a collecting vessel or an on-site drain. The device is automatically defrosted when neces- sary. By connecting an external hygrostat (optional), the device can be used to control the air humidity in a room. Scope of delivery ■ Condensation dryer ■ Drain hose ■ Filter pad ■ Operating manual Optional accessory ■ Prod. no. 1306539 Exhaust air adapter for 1 hose (100 mm) ■ Prod. no. 1306553 Exhaust air adapter for 3 hoses (3 x 50 mm) ■ Prod/ no. 1110552 External hyg- rostat ■ Adapter to connect 3 hoses20 Type plate The type plate is attached to the de- vice. Intended use The device is intended solely for dehumidifying air at atmospheric pressure in a commercial environ- ment. Intended use also includes compli- ance with the operating conditions (see Operating conditions). Any use other than the specified is deemed improper. Improper use shall void all warranty cover. The air dehumidifier must not be operated by children or by persons with limited physical, sensory or men- tal faculties. Before operating the device, users must have read and understood this operating manual. Reasonably foreseeable misuse The device must not be used: ■ In rooms/spaces that are not enclosed, or outdoors ■ In rooms with a potentially explo- sive or aggressive atmosphere ■ In rooms with air that has been treated with ozone, or that con- tains a high concentration or sol- vents or dust. ■ At locations where the prescribed minimum safety distances cannot be maintained 6 Safety General safety instructions ■ The device must only be operat- ed by persons who have been properly instructed in its opera- tion. ■ It is forbidden to make any modi- fications to device. ■ Maintenance and troubleshooting tasks must be performed by suit- ably qualified persons only. Shut down the device and disconnect the mains plug. WARNING! Risk of explosion, inju- ry from burns or poisoning by refrigerant The device is operated with an odour- less and flammable refrigerant. If the device is operated incorrectly, there is a risk that the refrigeration causes21 explosion, fire, poisoning or other injury. The refrigerant is pressurised. Only operate the device in rooms larger than 4 m

Never drill holes into the device, and do not use welding equipment or cutting torches in its vicinity. Do not attempt to speed up de- frosting by using implements. All work on the refrigeration circuit must be performed by staff of the manufacturer or an authorised technician. Avoid contact with the refrigerant. When handling the refrigerant, strictly adhere to the applicable safety regulations. WARNING! Risk of electric shock When carrying out work on electrically powered components, or if such components come into contact with water, there is a risk of serious or even fatal injury from electric shock. All work on the electrical equip- ment must be carried out by quali- fied electricians. Take suitable measures to prevent electrically powered components coming into contact with water. Before moving the device to a different location, disconnect the mains plug and empty the con- densate tank. WARNING! Risk of infection The condensate may be contaminat- ed with pathogens. Never drink the condensate. Regularly pump off the conden- sate. Avoid leaving condensate in the collecting vessel or in the con- densate drain hose for a longer period of time. Operating conditions The device is intended for mobile or stationary use indoors, on construc- tion sites, as well as in garages and storage rooms. The device operates efficiently: ■ At temperatures between +5 °C and +35 °C and at relative humid- ity levels between 40% and 100%. Ideal conditions: room tempera- ture between 20 °C and 27 °C. ■ In closed rooms where there is as little air exchange as possible. ■ When placed at close as possible to the centre of the room. ■ When the dry air discharged by the device is directed towards the humid part of the room. Do not use the device under the fol- lowing ambient conditions: ■ Rooms with a potentially explo- sive atmosphere, or an atmos- phere containing sulphur or salt. ■ Atmospheres with high solvent or dust concentration.22 7 Transport and installation Transport WARNING! Risk of injury from device toppling over Transport the device in an upright position and secure it against tip- ping or slipping. Place the device on a level, firm surface. WARNING! Risk of injury during machine transport To transport the device, use the handle and the castors/transport wheels. For heavy loads, work in teams of two and use suitable lifting gear. Procedure

1. Before transporting the device,

empty the condensate tank.

2. Ensure that the drain hose is re-

moved from the device and that the mains plug is disconnected.

3. Transport the device to the loca-

4. To transport heavy loads, work in

teams of two and use suitable lift- ing gear.

5. When the device is at its location

of operation, apply the transport wheel brake. NOTICE! Ensure that the air can circulate freely around and through the device. Do not cover the air inlet and outlet openings. The dis- tance between the air outlet and the air filter must be minimum 1 m. Unpacking

1. Remove the device from the card-

board box and place it on the ground.

2. Check the delivery for complete-

ness. Report any transport damage or incomplete delivery to your dealer. Adjusting handle

1. Loosen the two knurled screws,

pull the handle to the desired posi- tion and then tighten the knurled screws. Connecting drain hose For operation, the supplied drain hose must always be connected to the device. ATTENTION! Poor device perfor- mance Do not kink the drain hose. Do not place any objects on the hose. Procedure

1. Secure the quick-release coupling

of the drain hose to the connector at the rear of the device.

2. Lead the drain hose away from the

device and place the free end in an on-site drain opening or a suffi- ciently large collecting vessel (maximum level difference: 6 m). Connecting hygrostat

1. Connect the hygrostat (HEYLO

prod. no. 1110552) to the port at the rear of the device. The device automatically recog- nises the hygrostat and then runs23 in continuous mode until the tar- get humidity is reached. Stacking devices For operation or storage, it is permis- sible to combine maximum two devic- es in a stack.

1. Do to this, loosen and fully retract

the handle of the device at the bot- tom.

2. Place the second device on the

first one. Ensure that the bases of the second device slot into the re- cesses in the first one. Connecting device to electric power mains

1. Ensure that the voltage of the

power mains corresponds to that specified in the Technische Daten/Technical Data.

2. Ensure that the mains socket is

sufficiently protected (see in Technische Daten/Technical Da- ta).

3. The power socket to which the

device is connected must be equipped with a RC circuit break- er. This is particularly important for operation in humid rooms and on construction sites.

4. Make sure that the mains socket is

earthed and matches the power plug of the device.

5. Connect the power plug into the

mains socket. 8 Device operation and control Prior to switching on

1. Make sure that the device is not

standing on a wet ground and en- sure that it is in an upright and stable position.

2. Make sure that the condensate

can drain off properly.

3. If necessary, record the readings

of the operating hours counter and the power meter. NOTICE! Before starting the device for the first time, after transport and after prolonged storage, leave the device in its final position for approx. 15 minutes before switch- ing it on. Switching on device and continuous operation

1. Set the device switch to position

[I]. The green indicator is lit, in- dicating that the compressor is running. The device is set to continu- ous mode and runs until the automatic defrost function is triggered (yellow indicator lit). In continuous mode, conden- sate is automatically pumped off. Pumping off condensate (before moving device to a different location) The device must not be in defrost mode (yellow indicator must be off).24

1. Set the device switch to position

[II]. The condensate pump starts to pump the condensate through the drain hose into the drain or the on-site drain / collecting vessel.

2. As soon as there is no condensate

left in the tank, quickly set the switch to position [0], to prevent the pump from running dry. Operation with external hygrostat A hygrostat is connected to the port on the device.

1. Set the hygrostat to the desired

2. Set the device switch to position

[I]. The device starts in dehu- midifying mode. The device switches off automat- ically as soon as the set target humidity is reached. The device remains however in ready mode. If the target humidity is again ex- ceeded, the device is automati- cally restarted. Switching device off

1. Set the device switch to position

[0]. The indicator in the device switch is off and the device is shut down. NOTICE! For planned prolonged standstills, pump off the conden- sate before shutting down the de- vice. 9 Maintenance and care WARNING! Risk of injury from inhaling harmful substances Depending on the location of op- eration, the components of the de- vice may become contaminated with mould or other hazardous or- ganisms or substances. When using compressed air to clean the device and/or the filter, work in a well-ventilated area, preferably outdoors. During cleaning, wear safety gog- gles and a breathing mask. ATTENTION! Risk of damage to property Detergents can cause damage to surfaces. Use only mild deterge- nts. Use only approved original spare parts. Cleaning housing and filter The cleaning intervals for the device depend on the actual operating condi- tions. Check and clean the device regularly. If the device is used for drying at construction sites, it must be checked and cleaned after each use; the air filter must be replaced at least once a week.

1. Switch off the device at the device

3. Clean the housing with a damp,

lint-free cloth and a mild detergent. The original gloss can be restored with polish.25

4. Remove the filter holder by the

5. Remove the contaminated filter.

If the device is equipped with a foam filter: Clean the filter thor- oughly with a mild detergent and water. Let the filter dry.

6. Insert the new or cleaned filter in

7. Mount the filter holder together

with the filter in the same way as it was installed at the factory. Cleaning evaporator The evaporator must be de-iced and dry.

1. Switch off the device at the device

switch and disconnect the power plug.

2. Remove the housing cover and

place it on the ground.

3. Clean the cooling coils from both

sides with compressed air. To remove greasy dirt from the cool- ing coils, proceed as follows:

1. Clean the condensate tray under

the cooling coils as well as the drain hose.

2. Spray the cooling coils with a mild

detergent solution, using a spray bottle. NOTICE! Remove encrustation with a special cleaner To remove encrustations, use the cooling coil cleaner from HEYLO. Strictly follow the use instructions for the product.

1. Let the cleaned components dry.

2. Mount the covers in the same way

as they were installed at the facto- ry. You have now cleaned the evap- orator. Cleaning pump sump Depending on the way the device is used, deposits may form in the pump sump. To clean the pump sump, proceed as follows:

1. Switch off the device at the device

switch and disconnect the power plug.

2. Remove the housing cover and

place it on the ground.26 Illustration 4: Removing conden- sate tank (top: KT 20; bottom: KT 45)

Securing screws of condensate pump

Fixture of condensate pump (KT 20)

from the condensate pump.

4. Loosen the two securing screws of

the condensate pump and pull the pump from the device (for KT 20: to the side; for KT 45: toward the front). The connection remains attached to the device, as it is sufficiently long.

5. Clean the condensate pump with a

damp cloth and a mild detergent.

6. Replace the condensate pump in

the device. Secure the condensate pump and push the condensate hose into the pump. 10 Troubleshooting Spare parts and customer service If you have any queries regarding the device or wish to order spare parts, contact your dealer or DANTHERM.

WARNING! Risk of poisoning by re- frigerant, injury from burns, crushing or electric shock during troubleshoot- ing All work in connection with trouble- shooting and repairs must be carried out by authorised personnel or the manufacturer. In the event of a malfunction, switch off the device and secure it against inadvertent switching on. Before starting work, allow hot com- ponents to cool down. Faults and malfunctions during operation In the event of a fault or malfunction, refer to the table below. If required, contact DANTHERM Customer Service.

No function availa- ble in continuous or pump mode (all indicators off) No or incorrect power supply Check the power cord and mains connection Device switch is in position ON (con- tinuous mode), but device fails to start (all indicators off) An external hygrostat is connected and has switched off the device Change the hygrostat set- tings or disconnect the hy- grostat Overpressure protection tripped due to high ambi- ent temperature Wait until the device switch- es on automatically (ap- prox. 5-15 min) Fan running but there is no con- densate Humidity or temperature in room too low Check the indoor climate values using a thermo- hygrometer Filter clogged Check filter and clean, if necessary Refrigeration system defective (in this case, evaporator does not be- come cold) Contact DANTHERM tech- nical support Device is noisy and vibrates, con- densate escapes Device is not in level and upright position Check the operating condi- tions, particularly the instal- lation site28 Fault/ malfunction

Device heats up, makes a lot of noise and dehu- midifies poorly Insufficient air circulation; function only available when housing is closed Ensure that the air can circu- late freely; clean evaporator and filter Water escaping from device Leak in condensate sys- tem Run condensate pump test with water and locate leak Red indicator lit Pump runs dry Check condensate pump and drain hose for dirt/blockage Table 1: Troubleshooting table 11 Repair During the warranty period, all repairs must be performed by persons au- thorised by the manufacturer. After the warranty period has elapsed, certain repair can be carried out by the device owner, provided he or she has the necessary skills. DANTHERM shall not be liable for damage caused by such repairs. If you have any questions about re- pairs, contact DANTHERM Customer Service or your dealer. 12 Decommissioning, storage and disposal Decommissioning

1. Pump out the condensate.

2. Switch off the device at the device

switch and disconnect the power plug.

3. Clean the device (see Mainte-

4. Disconnect all incoming and out-

going lines (discharge and power supply lines).

5. Package the device so that it is

protected against moisture and dust. Storage CAUTION! Risk of injury from de- vice toppling over Do not stack more than two devic- es one on top of the other. Secure devices against toppling over. Procedure Store the device at a temperature between 5 °C and +40 °C. Disposal CAUTION! Risk of damage to the environment from hazardous sub- stances Dismantle the device and recycle or dispose of the materials accord- ing to the applicable statutory reg- ulations. For the disposal of auxiliary mate- rials and consumables, observe the information in the safety data29 sheets and the applicable statutory regulations.

Do not dispose of the device as household waste. EC Declaration of Conformity EC Declaration of Conformity in accordance with Machinery Directive 2006/42/EC Annex II 1.A Manufacturer: HEYLO GmbH Im Finigen 9 28832 Achim, Germany Product: Condensation dryer Type: KT 20 / KT 45 We herewith declare that the machine conforms to all relevant requirements of the following EU Directives: ■ 2006/42/EC Machinery Directive ■ 2014/35/EU Low Voltage Directive ■ 2014/30/EU EMC Directive ■ 2009/125/EC Ecodesign Directive

2011/65/EU RoHS Directive The following harmonised standards have been applied: DIN VDE 0700

3. Limpe as serpentinas de refriger-

2. Instale as todas as coberturas,