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Service manual 

 

the unit is so equipped.) 

There is risk of physical injury, electric shock, or product 
failure. 

 When the product is soaked (flooded or 

submerged), contact an Authorized service center. 

There is risk of fire or electric shock. 

 Be caution that water could not enter the product. 

There is risk of fire, electric shock, or product damage. 

 Ventilate the product from time to time when 

operating it together with a stove, etc. 

There is risk of fire or electric shock. 

 Turn the main power off when cleaning or 

maintaining the product.   

There is risk of electric shock. 

 When the product is not be used for a long time, 

disconnect the power supply plug or turn off the 

breaker. 

There is risk of product damage or failure, or unintended 
operation. 

 Take care to ensure that nobody could step on or 

fall onto the outdoor unit. 

This could result in personal injury and product damage. 
 
 

 

CAUTION 

 Always check for gas (refrigerant) leakage after 

installation or repair of product. 

Low refrigerant levels may cause failure of product. 

 Install the drain hose to ensure that water is 

drained away properly. 

A bad connection may cause water leakage. 

 Keep level even when installing the product. 

To avoid vibration of water leakage. 

 Do not install the product where the noise or hot air 

from the outdoor unit could damage the 

neighborhoods. 

It may cause a problem for your neighbors. 

 Use two or more people to lift and transport the 

product. 

Avoid personal injury. 

 Do not install the product where it will be exposed 

to sea wind (salt spray) directly. 

It may cause corrosion on the product. Corrosion, 
particularly on the condenser and evaporator fins, could 
cause product malfunction or inefficient operation. 
 
 

 

 

Operational 

 Do not expose the skin directly to cool air for long 

periods of time. (Do not sit in the draft). 

This could harm to your health. 

 Do not use the product for special purposes, such 

as preserving foods, works of art, etc. It is a 

consumer air conditioner, not a precision 

refrigerant system. 

There is risk of damage or loss of property. 

 Do not block the inlet or outlet of air flow. 

It may cause product failure. 

 Use a soft cloth to clean. Do not use harsh 

detergents, solvents, etc. 

There is risk of fire, electric shock, or damage to the 
plastic parts of the product. 

 Do not touch the metal parts of the product when 

removing the air filter. They are very sharp. 

There is risk of personal injury. 

 Do not step on pr put anything on the product. 

(outdoor units) 

There is risk of personal injury and failure of product. 

 Always insert the filter securely. Clean the filter 

every two weeks or more often if necessary. 

A dirty filter reduces the efficiency of the air conditioner 
and could cause product malfunction or damage. 

 Do not insert hands or other object through air inlet 

or outlet while the product is operated. 

There are sharp and moving parts that could cause 
personal injury. 

 Do not drink the water drained from the product. 

It is not sanitary could cause serious health issues. 

 Use a firm stool or ladder when cleaning or 

maintaining the product. 

Be careful and avoid personal injury. 

 Replace the all batteries in the remote control with 

new ones of the same type. Do not mix old and 

mew batteries or different types of batteries. 

There is risk of fire or explosion. 

 Do not recharge or disassemble the batteries. Do 

not dispose of batteries in a fire. 

They may burn of explode. 

 If the liquid from the batteries gets onto your skin or 

clothes, wash it well with clean water. Do not use 

the remote of the batteries have leaked. 

The chemical in batteries could cause burns or other 
health hazards. 

 

Содержание 38KCR009713

Страница 1: ...Cover Service Manual AIR CONDITIONER Hi Wall Type 42 38KCR009713 42 38KCR012713 42 38KCR018713 42 38QCR009713 42 38QCR012713 42 38QCR018713...

Страница 2: ...ndoor unit 13 7 5 Pumping down Re installation 14 7 6 Re air purging Re installation 15 7 7 Balance refrigerant of the 2 way 3 way valves 16 7 8 Evacuation 17 7 9 Gas charging 18 8 Electronic function...

Страница 3: ...9 10 5 Operation lamp flashes and Timer lamp off 29 10 6 Operation lamp flashes and Timer lamp on 29 10 7 Operation lamp off and Timer lamp flashes 30 10 8 Operation lamp on and Timer lamp flashes 30...

Страница 4: ...t Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury Do not let the ai...

Страница 5: ...rational Do not expose the skin directly to cool air for long periods of time Do not sit in the draft This could harm to your health Do not use the product for special purposes such as preserving food...

Страница 6: ...or each operation mode The unit will decide the louver direction according to operation mode Two direction air vane The fan is turn to low speed cooling heating The unit will be turn off at the sevent...

Страница 7: ...makes the outdoor unit run more quietly Low noise air flow system The hydrophilic fin can improve the heating efficiency at operation mode Hydrophilic aluminum fin It is only operated in the heating...

Страница 8: ...5 3 Dimension 3 1 Indoor unit 3 2 Outdoor unit Dimension Mode W H D 9K 12K 790 275 190 18K 940 275 198 Dimension Mode W H D L1 L2 L3 9K 700 535 235 458 285 550 12K 780 540 250 549 290 555 18K 760 590...

Страница 9: ...Service manual 6 Refrigerant cycle diagram Cooling only Heat pump mode...

Страница 10: ...from the continuous operation under constant air temperature conditions However excludes the initial pull down stage 5 2 Heating operation Indoor air temp DB Outdoor unit air temp DB Note The chart i...

Страница 11: ...Service manual 8 5 Wiring diagram Indoor 42KCR009713 42KCR012713 42KCR018713...

Страница 12: ...Service manual 9 42QCR009713 42QCR012713 42QCR018713...

Страница 13: ...Service manual 10 Outdoor 38KCR009713 38KCR012713 38KCR018713...

Страница 14: ...Service manual 11 38QCR009713 38QCR012713 38QCR018713...

Страница 15: ...ns sheet Grade Unit 7K 9K 12K 18K mm2 1 0 1 0 1 5 2 5 7 3 Pipe length and the elevation Capacity Btu h Pipe size Standard length m Max Elevation B m Max Pipe length A m Additional refrigerant g m GAS...

Страница 16: ...Check the flare connection for gas leakage Purge the air from the system Set the 2 way valve to the open position and remove the cap from the 3 way valve s service port Using the hexagonal wrench to p...

Страница 17: ...e charge hose with the push pin to the gas service port Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose Set the 2 way valve to t...

Страница 18: ...r 1 minutes repeat 3 times After purging the air use a torque wrench to tighten the flare nut to on the 2 way valve Check the gas leakage Check the flare connections for gas leakage Discharge the refr...

Страница 19: ...e service port Open the valves Low side on the charge set and discharge the refrigerant until the gauge indicates 0 05 to 0 1 Mpa If there is no air in the refrigeration cycle the pressure when the ai...

Страница 20: ...has moved toward 0 1 Mpa 76 cmHg vacuum of 4 mmHg or less Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes a...

Страница 21: ...e specified amount of refrigerant if can be charged with a little at a time approximately 150g each time0 while operating the air conditioner in the cooling cycle however one time is not sufficient wa...

Страница 22: ...ature protection restoring temperature TE7 Evaporator high temperature protection compressor off temperature TE8 Evaporator high temperature protection fan off temperature TE9 Evaporator high temperat...

Страница 23: ...information and can t returns to normal operation automatically 8 4 Fan only mode Fan speed is high mid low Auto 8 5 Cooling mode The 4 way valve is closed at cooling mode The action of the compresso...

Страница 24: ...A Block Indoor Fan Compressor and Outdoor Fan LOW ON 6minutes BREEZE OFF 4minutes LOW ON 5minutes BREEZE OFF 5minutes LOW ON 4minutes BREEZE OFF 6minutes A B C Repeat on and off cycle 8 6 3 Low room...

Страница 25: ...of compressor and outdoor fan motor at heating mode compressor must run for 7 minutes after starting and then judge temperature Meanwhile other protections are still valid Ts 2 T Room temp up Room te...

Страница 26: ...ing for 40 minutes or more B The temperature difference of evaporator and room temperature meets one of the following TM def TA TS TH def High fan Med fan Low fan TL def Breeze Calculate from the end...

Страница 27: ...temperature TS 1 TA TS 2 Heating fan only at cooling only Fan only Cooling 8 9 2 The indoor fan blows automatically in corresponding selected mode 8 9 3 The motion of indoor fan s blade should accord...

Страница 28: ...ion takes precedence over all The total time is 7 hours after 7 hours the unit stops 8 11 4 Auto After an hour running under economic mode the set temp will rise 1 if it is under cooling mode the set...

Страница 29: ...C 10 0A 12 0A 17A I5MIN 8 5A 10A 16A IFAN 6 5A 9A 14A IRESTORE 5 5A 8A 12A IDEFROST 3 5A 6 5A 7 2A TE1 28 34 34 TE2 32 37 36 TE3 30 33 30 TE4 26 22 20 TE5 4 4 3 TE6 10 10 14 TE7 60 63 60 TE8 53 53 52...

Страница 30: ...defrosting automatically if outdoor unit frosts in heating operating At this time PRE DEF indicator illuminates Auto indicator This indicator flashes when the air conditioner is in AUTO operation 10...

Страница 31: ...eck if AC 220V power supply outputs to indoor PCB Check if AC 220V exists at the primary coil of transformer Yes YES No Check if AC 14 5V exists at the secondary coil of transformer Indoor PCB is defe...

Страница 32: ...After changing indoor PCB check if the failure realease Yes After changing indoor fan motor check if the failure realease Yes YES Yes Power supply circuit has problems Indoor PCB is defective 10 5 Ope...

Страница 33: ...er changing the main control board check if the failure realease Power supply fault No Outdoor unit fault such as the compressor 10 8 Operation lamp on and Timer lamp flashes EEROM error indoor PCB is...

Страница 34: ...25 10 52 3 1918 1 37 1988 26 9 5507 53 3 0707 0 35 2024 27 9 1245 54 2 959 1 33 3269 28 8 7198 55 2 8442 2 31 5635 29 8 3357 56 2 7382 3 29 9058 30 7 9708 57 2 6368 4 28 3459 31 7 6241 58 2 5397 5 26...

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