Carrier 38KCR009713 Service Manual Download

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Cover

Service Manual

AIR CONDITIONER

Hi-Wall Type

42/38KCR009713

42/38KCR012713

42/38KCR018713

42/38QCR009713

42/38QCR012713

42/38QCR018713

Summary of Contents for 38KCR009713

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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