Carrier 38 KCL012733 Service Manual Download

Page: 1 / 66

Cover

Service Manual

AIR CONDITIONER

Hi-Wall Type

42/38 KCL018R33

42/38QCL018R33

Summary of Contents for 38 KCL012733

Page 1: ...Cover Service Manual AIR CONDITIONER Hi Wall Type 42 38 KCL018R33 42 38QCL018R33...

Page 2: ...ndoor unit 12 7 5 Pumping down Re installation 13 7 6 Re air purging Re installation 14 7 7 Balance refrigerant of the 2 way 3 way valves 15 7 8 Evacuation 16 7 9 Gas charging 17 8 Electronic function...

Page 3: ...8 10 5 Operation lamp flashes and Timer lamp off 28 10 6 Operation lamp flashes and Timer lamp on 28 10 7 Operation lamp off and Timer lamp flashes 29 10 8 Operation lamp on and Timer lamp flashes 29...

Page 4: ...installation always contact the dealer or an Authorized service center l There is risk of fire electric shock explosion or injury l Do not install the product on a defective installation stand l It ma...

Page 5: ...when cleaning or maintaining the product lThere is risk of electric shock lWhen the product is not be used for a long time disconnect the power supply plug or turn off the breaker lThere is risk of p...

Page 6: ...securely Clean the filter every two weeks or more often if necessary lA dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage lDo not insert hands or...

Page 7: ...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 8: ...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 9: ...Service manual 6 3 Dimension 3 1 Indoor unit 3 2 Outdoor unit Dimension Mode W H D 18K 1080 330 228 Dimension Mode W H D L1 L2 L3 18K 845 695 335 540 335 615...

Page 10: ...Service manual 7 4 Refrigerant cycle diagram Cooling only Heat pump mode...

Page 11: ...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 12: ...Service manual 9 6 Wiring diagram Indoor 42KCL018R33 42QCL018R33...

Page 13: ...Service manual 10 Outdoor 38KCL018R33 38QCL018R33...

Page 14: ...cording to the following specifications sheet Grade Unit 18K mm2 2 5 7 3 Pipe length and the elevation Pipe size Capacity Btu h GAS LIQUID Standard length m Max Elevation B m Max Pipe length A m Addit...

Page 15: ...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 16: ...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 17: ...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 18: ...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 19: ...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 20: ...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 21: ...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 22: ...essor On the unit stops and LED displays failure 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 cl...

Page 23: ...OFF 5minutes LOW ON 4minutes BREEZE OFF 6minutes A B C Repeat on and off cycle 8 6 1 Low room temperature protection 8 6 2 When room temperature decreases to below 10 compressor and outdoor fan will...

Page 24: ...ressor in heating mode except for the defrosting mode or the end of defrost 8 7 3 Action of compressor and outdoor fan motor at heating mode compressor must run for 7 minutes after starting and then j...

Page 25: ...ence of evaporator and room temperature meets one of the following Calculate from the end of latest defrost evaporator high temp Protection only closes outdoor fan with the compressor still running Ad...

Page 26: ...9 3 The motion of indoor fan s blade should accord with the selected operation mode 8 9 4 One mode should be carried out for at least 15 minutes once selected If the compressor cannot start for 15 mi...

Page 27: ...de the set temp will rise 1 if it is under cooling mode the set temp will decrease 1 if it is under heating mode the set temp will be changeless if it is under fan only mode the condition will be the...

Page 28: ...arameters Model 38KCL018R33 38QCL018R33 I3SEC 22A I5MIN 20A IFAN 16A IRESTORE 14A IDEFROST 7 5A TE1 25 TE2 32 TE3 30 TE4 20 TE5 2 TE6 12 TE7 63 TE8 57 TE9 50 ANGLCOOL 67 ANGLHEAT 93 ANGLOFF 0 THDEFROS...

Page 29: ...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 30: ...Service manual 27 10 3 Diagnostic chart After energizing no indicator is lighted and the air conditioner can t be operated...

Page 31: ...s less than 4 5V Check according to the following procedure Resetting phenomenon often occurs during operation After changing indoor PCB check if the failure realease Yes After changing indoor fan mot...

Page 32: ...10 8 Operation lamp on and Timer lamp flashes EEROM error indoor PCB is defective 10 9 Operation lamp flashes Timer lamp flashes This is alarm signal when the main chip can t detect over zero signal...

Page 33: ...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...

Page 34: ...Cover Service Manual AIR CONDITIONER Hi Wall Type 42 38KCL024R33 42 38KCL030R33 42 38QCL024R33 42 38QCL030R33...

Page 35: ...and indoor 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 fu...

Page 36: ...ct l 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 l Do not let t...

Page 37: ...ational l 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 l Do not use the product for special purposes such as preserving f...

Page 38: ...h 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 seventh hour...

Page 39: ...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 40: ...Service manual 5 3 Dimension 3 1 Indoor unit 3 2 Outdoor unit Model W H D 24K 1080 330 228 30K 1250 325 230 Dimension Mode W H D L1 L2 L3 24K 845 695 335 560 360 710 30K 895 860 335 560 360 735...

Page 41: ...Service manual 6 4 Refrigerant cycle diagram Cooling only Heat pump mode...

Page 42: ...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 43: ...Service manual 8 6 Wiring diagram Indoor 42KCL024R33 42QCL024R33...

Page 44: ...Service manual 9 42KCL030R33 42QCL030R33...

Page 45: ...Service manual 10 Outdoor 38KCL024R33 38KCL030R33...

Page 46: ...Service manual 11 38QCL024R33 38QCL0307R33...

Page 47: ...e following specifications sheet Grade Unit 24K mm 2 2 5 Unit 30K mm2 2 5 7 3 Pipe length and the elevation Pipe size Capacity Btu h GAS LIQUID Standard length m Max Elevati on B m Max Pipe length A m...

Page 48: ...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 49: ...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 50: ...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 51: ...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 52: ...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 53: ...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 54: ...TE6 Evaporator low temperature protection restoring temperature TE7 Evaporator high temperature protection compressor off temperature TE8 Evaporator high temperature protection fan off temperature TE9...

Page 55: ...error warning If there is no Cross Zero signals in 4 minutes the unit stops and LED displays failure information and can t returns to normal operation automatically 8 4 5 The current protection of the...

Page 56: ...d Protection is same as cooling mode 8 8 Heating mode 8 8 1 Generally the 4 way valve is open in heating mode but it is closed in defrosting mode 4 way valve must delay 2 minutes compared with compres...

Page 57: ...ons are still valid This parameter can be changed from 0 to 3 8 8 4 Indoor Fan actions at heating mode Indoor Fan can be set at HIGH MID LOW AUTO by using a remote controller but Anti cold wind functi...

Page 58: ...re protection only closes outdoor fan with the compressor still running add up to 90 minutes 8 9 2 Conditions of defrost ending Defrosting ends when either of the following The time gets to 10 minutes...

Page 59: ...as low the A C operates at the DRY mode with a set temp of 24 8 11 3 All protections of remote control cooling are available at forced cooling operation 8 11 4 Forced Auto function Select forced auto...

Page 60: ...ng the next time the set temp do not change The total time is 7 hours after 7 hours the unit stops 8 13 Auto restart function In case of a sudden power failure this function automatically sets the uni...

Page 61: ...4R33 38KCL030R33 38QCL030R33 I3SEC 26A 26A 27 6A I5MIN 24A 24A 25 2A IFAN 20A 20A 17 8A TE1 2 5 25 28 TE2 3 2 32 34 TE3 3 0 30 32 TE4 2 0 20 24 TE5 2 2 2 TE6 1 2 12 12 TE7 6 3 63 65 TE8 5 4 54 55 TE9...

Page 62: ...ner is in AUTO operation ECON indicator This indicator illuminates while the air conditioner is in economic operation 10 2 Troubleshooting For models adopting electrical function Failure phenomenon Op...

Page 63: ...l 28 NOTE For cool only model the defrosting lamp is replaced with fan lamp but malfunction display remains 10 3 Diagnostic chart After energizing no indicator is lighted and the air conditioner can t...

Page 64: ...5V Check according to the following procedure Resetting phenomenon often occurs during operation After changing indoor PCB check if the failure realease Yes After changing indoor fan motor check if t...

Page 65: ...eable 10 9 Indoor unit communication error Check the if the signal wire is well connection Change indoor PCB and check if the error is still exit Connect the signal wire well or change the signal wire...

Page 66: ...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...

Search results

Summary of Contents for 38 KCL012733

Reviews:

Related manuals for 38 KCL012733

Brands by name

Popular brands

Carrier 38 KCL012733, Service Manual

Search results

Summary of Contents for 38 KCL012733

Reviews:

Related manuals for 38 KCL012733

Brands by name

Popular brands