kaysun KMF-80 DVN4 Air Conditioner Owner’s Manual

KMF-80 DVN4 Air Conditioner
Owner’s Manual
KMF-80 DVN4 KMF-100 DVN4
KMF-120 DVN4 KMF-140 DVN4
KMF-160 DVN4

KMF-80 DVN4 Air Conditioner

Thank you very much for purchasing our air conditioner.
Before using your air conditioner, please read this manual carefully and keep it for future reference.

NOTE
All the pictures in this manual are for explanation purpose only. They may be slightly different from the air conditioner you purchased(depend on model). The actual shape  shall prevail.
16kW complying with IEC 61000-3-12.

IMPORTANT SAFETY INFORMATION

To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring of instructions may  cause harm or damage.
The safty precautions listed here are divided into two categories. In either case, important safty information is listed which must be read carefully.

WARNING
Failure to observe a warning may result in damage. The appliance shall be installed in accordance with national wiring regulations.
CAUTION
Failure to observe a caution may result in injury or damageto the equipment.
WARNING
This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
Children shall not play with the appliance.
Cleaning and user maintenance shall not be made by children without supervision.(Only European)
This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they  have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.
The partial units shall only be connected to an appliance suitable for the same refrigerant.
The units 8-16kW are partial unit air conditioners, complying with partial unit requirements of this International Standard, and must only be connected to other units that  have been confirmed as complying to corresponding partial unit requirements of this
International Standard.
Ask your dealer for installation of the air conditioner.
Incomplete installation performed by yourself may result in a water leakage, electric shock, and fire.
Ask your dealer for improvement, repair, and maintenance.
Incomplete improvement, repair, and maintenance may result in a water leakage, electric shock, and fire.
In order to avoid electric shock, fire or injury, or if you detect any abnormality such as smell of fire, turn off the power supply and call your dealer for instructions.
Never let the indoor unit or the remote controller get wet.
It may cause an electric shock or a fire.
Never press the button of the remote controller with a hard, pointed object.
The remote controller may be damaged.
Never replace a fuse with that of wrong rated current or other wires when a fuse blows out.
Use of wire or copper wire may cause the unit to break down or cause a fire.
It is not good for your health to expose your body to the air flow for a long time.
Do not insert fingers, rods or other objects into the air inlet or outlet.
When the fan is rotating at high speed, it will cause injury.
Never use a flammable spray such as hair spray, lacqueror paint near the unit.
It may cause a fire.
Never touch the air outlet or the horizontal blades while the swing flap is in operation.
Fingers may become caught or the unit may break down.
Never put any objects into the air inlet or outlet.
Objects touching the fan at high speed can be dangerous.
Never inspect or service the unit by yourself.
Ask a qualified service person to perform this work.
Do not dispose this product as unsorted municipal waste. Collection of such waste separately for special treatment is necessary.
Do not dispose of electrical appliances as unsorted municipal waste, use separate collection facilities.
Contact you local government for information regarding the connection systems available.
If electrical appliances are disposed of in landfills or dumps, hazardous substances can leak into the groundeater and get into the food chain, damaging your health and well-being.
To prevent refrigerant leak, contact your dealer.
When the system is installed and runs in a small room, it is required to keep the concentration of the refrigerant, if by any chance coming out, below the limit. Otherwise, oxygen in the room may be affected, resulting in a serious accident.
The refrigerant in the air conditioner is safe and normally does not leak.
If the refrigerant leaks in the room, contact with a fire of a burner, a heater or a cooker may result in a harmful gas.
Turn off any combustible heating devices, ventilate the room, and contact the dealer where you purchased the unit.
Do not use the air conditioner until a service person confirms that the portion where the refrigerant leaks is repaired.

CAUTION
Do not use the air conditioner for other purposes.
In order to avoid any quality deterioration, do not use the unit for cooling precision instruments, food, plants, animals or works of art.
Before cleaning, be sure to stop the operation, turn the breaker off or pull out the supply cord.
Otherwise, an electric shock and injury may result.
In order to avoid electric shock or fire, make sure that an earth leak detector is installed.
Be sure the air conditioner is grounded.
In order to avoid electric shock, make sure that the unit is grounded and that the earth wire is not connected to gas or water pipe, lightning conductor or telephone earth wire.
In order to avoid injury, do not remove the fan guard of the outdoor unit.
Do not operate the air conditioner with a wet hand.
An electric shock may happen.
Do not touch the heat exchanger fins.
These fins are sharp and could result in cutting injuries.
Do not place items which might be damaged by moisture under the indoor unit.
Condensation may form if the humidity is above 80%, the drain outlet is blocked or the filter is polluted.
After a long use, check the unit stand and fitting for damage.
If damaged, the unit may fall and result in injury.
To avoid oxygen deficiency, ventilate the room sufficiently if equipment with burner is used together with the air conditioner.
Arrange the drain hose to ensure smooth drainage.
Incomplete drainage may cause wetting of the building, furniture etc.
Never touch the internal parts of the controller.
Do not remove the front panel. Some parts inside are dangerous to touch, and a machine trouble may happen.
Never expose little children, plants or animals directly to the air flow.
Adverse influence to little children, animals and plants may result.
Do not allow a child to mount on the outdoor unit or avoid placing any object on it.
Falling or tumbling may result in injury.
Do not operate the air conditioner when using a room fumigation – type insecticide.
Failure to observe could cause the chemicals to become deposited in the unit, which could endanger the health of those who are hypersensitive to chemicals.
Do not place appliances which produce open fire in places exposed to the air flow from the unit or under the indoor unit.
It may cause incomplete combuston or deformation of the unit due to the heat.
Do not install the air conditioner at any place where flammable gas may leak out.
If the gas leaks out and stays around the air conditioner, a fire may break out.
When capacity of indoor unit greater than the sum of 100%, capacity of indoor unit will be attenuated.
When capacity of indoor unit greater than or equal to the sum of 120%, in order to ensure the effectiveness of machine, and then try to open the indoor units at different time.
The outdoor unit window-shades should be periodic cleaning in case of being jammed.
This window-shapes is heat dissipation outlet of components, if being jammed will cause the components shorten their service life spans because of overheated for a long  time.
The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube.
The sound pressure level is below 56 dB(A).
This appliance is intended to be used by expert or trained users in shops, in light industry and on farms, or for commercial use by lay persons.

PARTS NAMES

The air conditioner consists of the indoor unit, the outdoor unit, the connecting pipe and the remote controller. (see Fig.1)
Operate the switches and push buttons with an insulated stick (such as a closed ball-point pen) or insulating gloves to avoid touching of live parts
Force Cooling Control

Force Cooling Control
The ODU main control board is provided with a forced cooling button SW1. The button is pressed once to send a forced cooling signal (for 8kW models, the button is long  pressed for over 5s) to all IDUs at once, forcing all IDUs to start cooling. The outdoor compressor runs at a fxed frequency according to the table and the IDU fan operates  at a high speed. Press the button again to exit the forced cooling operation (for 8kW models, the button is long pressed for over 5s).
Forced cooling frequency table

Display function
The ODU main control board is equipped with the spot check function button (In the above fgure: S1 for 8kW and SW2 for 10/12/14/16kW).
The digital tubes on the main control board will show the parameters of the air conditioner in the following order (the button displays one parameter at a time). For 8kW  models, the Compressor Current Value and System Address display “–“.

NOTE

• 12 hours preheating is imperative after turn on the power switch. Please do not shut down the power when the unit is supposed to stop running in 24h or shorter time.  (This is to warm the crankcase heat box to avoid compulsive start of condenser.)
• Pay attention not to block the air inlet and outlet. Blocks may decrease the efficiency of the unit or startup the protectorwhich will stop running.
• Operate the switches and push buttons with an insulated stick (such as a closed ball-point pen) to avoid touching of live parts.

OPERATION RANGE

Use the system in the following temperature for safe and effective operation. The Max operation temperature for the air conditioner. (Cooling/Heating)

Table 3-1

NOTE

1. If the above operating conditions cannot be met, the safety protection function may be triggered and the air conditioner may malfunction.
2. When the unit operates in “cooling” mode in a relatively humid environment (relative humidity higher than 80%), condensation may occur on the surface of the IDU and  water may drip. In this case, turn the air guide to the maximum air outlet position and set the fan speed to “High”.

OPERATION AND PERFORMANCE

4.1 Protection Equipment
This Protection Equipment will enable the Air Conditioner to stop when the Air Conditioner is to be directed running compulsively.
When the Protection Equipment is activated, the Operation Indicator still lights while the Air Conditioner is not running. But the Check Indicatior Lights.
The protection equipment may be activated in following conditions:
Cooling Operation

• The air inlet or air outlet of outdoor unit is blocked.
• Strong wind is Continuously blowing to the air outlet of the outdoor unit.

Heating Operation

• Too much dust and rubbish adhere to the dust filter in the indoor unit
• The air outlet of indoor unit is choked

NOTE
When the protection equipment starts, please shut down the manual power switch, and restart operation after problem is solved.

4.2 About power cut

• If power is cut during operation, stop all the operation immediately.
• Power comes again. The lamp on the display panel of indoor unit flashes. And then unit will auto-restart.
• Mishandling in operation:
  If mishandling happens because of lighting or mobile wireless, please shut off the manual power switch, and turn on again, then push the ON/OFF button.

4.3 Heating capacity

• The heating operation is a heat-pump process that heat will be absorbed from outdoor air and released in doors. Once the outdoor temperature is decreased, heating  capacity decreased corredpindingly.
• Other heating equipment is suggested to be used together when outdoor temperature is too low.
• In some extreme cold upland that buy another inddoor unit equipped electrical heater will obtain better performance. (Refer to indoor unit owner’s manual for details)

NOTE

1. The motor in Indoor Unit will continue running for 20~30 seconds for to remove residual heat when the Indoor Unit recoeiving OFF command during heating operation.
2. If the air conditioner malfunction occurs because of disturb, pleasereconnect the air conditioner to power, then turn on it again.

4.4 Three-minute protection feature

• A protection feature prevents the air conditioner from being activated for approximately 3 minuites when it restarts immediately after operation.

4.5 Cooling and heating operation

• The indoor unit of the intelligent inverter centralized air conditioner can be controlled solely, but the indoor unit in the same system can not run cooling and heating at the same time.
• When the Cooling and Heating operation confront with each other, the Indoor Unit which are running on Cooling Mode would stop and there will be Standby or No  Priority displayed in the Control Panel. Those Indoor Units which are running on Heating Mode will run continuously.
• If the Air Conditioner Administrator has set running mode, then the air conditioner can not run on modes other than the presetted.Standby or No Priority will be  displayed in the Control Panel.

4.6 Features of heating operation

• Warm air will not be blown out immediately at the beginning of the heating operation, 3~5 minutes ago (depends on the indoor and outdoor temperature), until the  indoor heat exchanger become hot, then blows out warm air.
• During operation, the fan motor in the outdoor unit may stop running under high temperature.
• During Fan Operation, if other Indoor Units are running on Heating Mode, the fan may stop in order to prevent sending heat wind.

4.7 Defrost in the heating operation

• During heating operation, outdoor unit sometimes will frost. To increase efficiency, the unit will start defrosting automatically (about 2~10 minutes), and then water will  be drained out from outdoor unit.
• During defrosting, both the fan motors in the outdoor unit and indoor unit will stop running.

MALFUNCTION CODE OF OUTDOOR UNIT

Table 5-1 (8KW)

Table 5-2 (10/12KW)

Table 5-3 (14/16KW)

If the problem remains, please contact the distributor or Kaysun’s air conditioner customer service center, and provide info about the product model and the fault details.

Display Function Instruction:

1. When stand by, LED displaying the amount of indoor units online which communicate with outdoor units.
2. When operation, LED displaying frequency value of compressor.
3. When defrost, LED displaying “dF”.

FOLLOWING SYMPTOMS ARE NOT AIRCONDITIONER TROUBLES

Symptom 1: The system does not operate

• The air conditioner does not start immediately after the ON/OFF button on the romote controller is pressed.
  If the operation lamp lights, the system is in normal condition.To prevent overloading of the compressor motor, the air conditioner starts 3 minutes after it is turned ON.

• If the operation lamp and the “PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type)” light, it means you choose the heating model,  When just starting, if the compressor has not started, the indoor unit appears “anti cold wind” protection because of its overlow outlet temperature.

Symptom 2: Change into the fan mode during cooling mode

• In order to prevent the indoor evaporator frosting, the system will change into fan mode automatically, restore to the cooling mode after soon.
• When the room temperature drops to the set temperature, the compressor goes off and the indoor unit changes to fan mode; when the temperature rises up, the  compressor starts again. It is same in the heating mode.

Symptom 3: White mist comes out of a unit
Symptom 3.1: Indoor unit

• When humidity is high during cooling operation If the interior of an indoor unit is extremely contaminated, the temperature distribution inside a room becomes uneven.  It is necessary to clean the interior of the indoor unit. Ask your dealer for details on cleaning the unit. This operation requires a qualified service erson

Symptom 3.2: Indoor unit, outdoor unit

• When the system is changed over to heating operation after defrost operation Moisture generated by defrost becomes steam and is exhausted.

Sptom 4: Noise of air conditionerscooling
Symptom 4.1: Indoor unit

• A continuous low “shah” sound is heard when the system is in cooling operation or at a stop.
  When the drain pump (optional accessories) is in operation,this noise is heard.

• A “pishi-pishi” squeaking sound is heard when the system stops after heating operation.
  Expansion and contraction of plastic parts caused by temperature change make this noise.

Symptom 4.2: Indoor unit, outdoor unit

• A continuous low hissing sound is heard when the system is in operation.
  This is the sound of refrigerant gas flowing through both indoor and outdoor units.

• A hissing sound which is heard at the start or immediately after stopping operation or defrost operation.
  This is the noise of refrigerant caused by flow stop or flow change.

Symptom 4.3: Outdoor unit

• When the tone of operating noise changes.
  This noise is caused by the change of frequency.

Symptom 5: Dust comes out of the unit

• When the unit is used for the first time in a long time.
  This is because dust has gotten into the unit.
  Symptom 6: The units can give off odours

• The unit can absorb the smell of rooms, furniture, cigarettes, etc., and then emit it again.

Symptom 7: The outdoor unit fan does not spin.

• During operation. The speed of the fan is controlled in order to optimize product operation.

TROUBLESHOOTING

7.1. Troubles and causes of air conditioner
If one of the following malfunctions occur, stop operation, shut off the power, and contact with your dealer.

• The operation lamp is flashing rapidly (twice every second) This lamp is still flashing rapidly after turn off the power and turn on again.
• Remote controller receives malfunction or the button does not work well.
• A safety device such as a fuse, a breaker frequently actuates.
• Obstacles and water enter the unit.
• Water leaks from indoor unit.
• Other malfunctions.

If the system does not properly operate except the above mentioned cases or the above mentioned malfunctions is evident, investigate the system according to the following  procedures. (see in Table 7-1)

• Power switch is off.
• Fuse of power switch may have burned.
• Batteries of remote controller exhausted or other problem of controller.| • Wait for the comeback of power.
• Switch on the power.
• ReplLocation:
• Replace the battenses or check the controller.
Air flowing normally but completely can’t cooling| • Temperature is not set correctly.
• Be in 3 minutes protection of compressor.| • Set the temperature properly.
• Wait.
Units start or stop frequently| • Refrigerant is too little or too much.
• Air or no concreting gas in
the refrigerating circuit.
• Compressor is malfunction.
• Voltage is too high or too low.
• System circuit is blocked.| • Check leakage. and rightly recharge refrigerant.
• Vacuum and recharge refrigerant.
• Maintenance or change compressor. Install manostat.
• Find reasons and solution.
Low cooling effect| • Outdoor unit and indoor unit
heat exchanger is dirty.
• The air filter is dirty.
• Inlet/outlet of indoor/outdoor units is blocked.
• Doors and windows are open
• Sunlight directly shine.
• Too much heat resource.
• Outdoor temp, is too high.
• Leakage of refrigerant co  lack of refrigerant.| • Clean the heat exchanger.
• Clean the air filter.
• Eliminate all dirties and make air smooth.
• Close doors and windows.
• Make curtains in order to
shelter from sunshine.
• Reduce heat source.
• AC cooling capacity reduces (normal). Check leakage and rightly recharge refrigerant.
Low heating effect| • Outdoor temperature is lower than it
• Doors and windows not completely closed.
• Leakage of refrigerant co lack of refrigerant.| • Use heating device.
• Close doors and windows. ri
• Check leakage and rightly recharge refrigerant.

7.2 Troubles and causes of remote controller
Before asking for serving or repairing, check the following points. (see in Table 7-2)

automatic mode is
selected, the air conditioner will automatically change the fan speed.
speed can
not be changed.| • Check whether the MODE indicated on the display is “DRY”| When dry operation is selected, the air conditioner automatically change the fan speed. The fan speed can be selected during “COOL” , “FAN ONLY”, and “HEAT”
The remote controller signal is not transmitted even when the ON/OFF button is pushed.| • Check whether the batteries in the
remote controller are exhausted.| The power supply is off.
The TEMP. indicator does not come on.| • Check whether the MODE indicated on the display is FAN ONLY| The temperature cannot be set during FAN mode.
| • Check whether the timer operation has come to an end when the TIMER OFF is indicated on the display.| The air conditioner operation .
will stop up to the set time
The indication on the display disappears after a lapse of time.
| • Check whether the timer operation is started when the TIMER ON is indicated on the display.| Up to the set time, the air conditioner will automatically start and the
appropriate indicator will go off.
The TIMER ON indicator goes off after a lapse of certain time.
No receiving tone sounds from the indoor unit even when the ON/OFF button is pressed.| • Check whether the signal transmitter of the remote controller is properly directed to the infrared signal receiver of the indoor unit when the ON/OFF button is pressed.| Directly transmit the signal transmitter of the remote controller to the
infrared signal receiver of the
indoor unit, and then repeatly push the ON/OFF button twice.

MAIN OFFICE
Blasco de Garay, 4-6
08960 Sant Just Desvern (Barcelona)
Tel. +34 93 480 33 22
http://www.frigicoll.es/
http://www.kaysun.es/en/
MADRID
Senda Galiana, 1
Poligono Industrial Coslada Coslada (Madrid)
Tel. +34 91 669 97 01
Fax. +34 91 674 21 00
madrid@frigicoll.es

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