Carrier 38LUVH025N Service Manual Download | Manualshive

Page: 1 / 42

background image

Air Conditioner Service Manual

DC Inverter Hi-Wall

Model

Discription

Refrigerant type

Power supply

42/38LUVH025N

09K HP

R410A

1Ph,220-240V,50Hz

42/38LUVH035N

12K HP

R410A

1Ph,220-240V,50Hz

42/38LUVH045N

18K HP

R410A

1Ph,220-240V,50Hz

1
2
3
...
»

Summary of Contents for 38LUVH025N

Page 1: ...ervice Manual DC Inverter Hi Wall Model Discription Refrigerant type Power supply 42 38LUVH025N 09K HP R410A 1Ph 220 240V 50Hz 42 38LUVH035N 12K HP R410A 1Ph 220 240V 50Hz 42 38LUVH045N 18K HP R410A 1...

Page 2: ...frigerant of the 2 way 3 way valves 17 6 8 Evacuation 18 6 9 Gas charging 19 7 Capacity table 20 8 Electronic function 23 8 1 Abbreviation 23 8 2 Display function 23 8 3 Protection 23 8 4 Fan Only Mod...

Page 3: ...contact the dealer or an Authorized service center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident o...

Page 4: ...ed 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...

Page 5: ...ll 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...

Page 6: ...ion according to operation mode Turbo wind high med low breeze Restarting is for approx 3 minutes Prevent the water being frozen on evaporator by sensing the evaporator pipe temperature in cooling mod...

Page 7: ...ration mode Hydrophilic aluminum fin It is only operated in the heating operation mode except defrosting operation Anti rust cabinet Valve protection cover 4 way valve control Made from electrolytic z...

Page 8: ...6 3 Dimension 3 1 Indoor Unit 42LUVH025N 42LUVH035N 42LUVH045N...

Page 9: ...7 3 2 Outdoor Unit 38LUVH025N 38LUVH035N 38LUVH045N...

Page 10: ...8 4 Refrigerant cycle diagram...

Page 11: ...9 5 Wiring diagram 5 1 Indoor Unit 42LUVH025N 42LUVH035N...

Page 12: ...10 42LUVH045N 5 2 Outdoor Unit 38LUVH025N 38LUVH035N...

Page 13: ...11 38LUVH045N...

Page 14: ...ables The power cord of connect should be selected according to the following specifications sheet Grade Unit 9K 12K 18K mm2 1 5 1 5 2 5 6 3 Pipe length and the elevation Capacity Btu h Pipe size Stan...

Page 15: ...in such installation 6 4 Air purging of the piping and indoor unit Required tools Hexagonal wrench adjustable wrench torque wrenches wrench to hold the joints and gas leak detector Note The air in th...

Page 16: ...one minute 5 Use torque wrench to tighten the service port cap to a torque of 1 8 kgf m 18N m 6 Set the 3 way valve to the opened position 7 Mounted the valve stem nuts to the 2 way and 3 way valves...

Page 17: ...hose with the push pin to the gas service port 5 Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose 6 Set the 2 way valve to the cl...

Page 18: ...te repeat 3 times After purging the air use a torque wrench to tighten the flare nut to on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigera...

Page 19: ...ce port 3 Open the valves Low side on the charge set and discharge the refrigerant until the gauge indicates 0 05 to 0 1Mpa If there is no air in the refrigeration cycle the pressure when the air cond...

Page 20: ...ved toward 0 1 Mpa 76 cmHg vacuum of 4 mmHg or less 3 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 after...

Page 21: ...fied 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 wait appr...

Page 22: ...2024 Sensitive capacity W 2012 1970 1895 1804 1712 1633 Input W 592 648 703 758 813 869 32 C D 23 C W Total capacity W 2895 2942 2900 2800 2669 2537 Sensitive capacity W 1907 1930 1914 1882 1859 1868...

Page 23: ...e capacity W 2688 2631 2531 2410 2286 2182 Input W 787 860 934 1007 1080 1154 32 C D 23 C W Total capacity W 3860 3922 3867 3733 3559 3383 Sensitive capacity W 2547 2578 2557 2514 2483 2495 Input W 77...

Page 24: ...ty W 4033 3947 3798 3615 3430 3273 Input W 1303 1425 1546 1668 1789 1911 32 C D 23 C W Total capacity W 5791 5883 5800 5600 5338 5074 Sensitive capacity W 3822 3869 3836 3772 3725 3744 Input W 1290 14...

Page 25: ...displays the room temperature when the air conditioner is in FAN only operation and the range of that is 0 50 When the unit stops operation it returns to original factory settings Displays the malfun...

Page 26: ...after the action of louver 8 3 10 Compressor preheating function 1 Preheating permitting condition If T4 outdoor ambient temperature 3 and the machine connects to power supply newly or if T4 3 and co...

Page 27: ...ote controller as high fan 17 in cooling mode then press TURBO button on controller 6 times or more within 10 seconds make sure indoor unit receives these signals the machine will turn into rating cap...

Page 28: ...s lower than 10 compressor will stop and not resume until room temperature climbs up to 12 8 6 3 Evaporator anti freezing protection condenser high temperature protection and outdoor unit frequency li...

Page 29: ...equency one grade and not stop until the maximum grade Zone B Elevate or keep or descend current frequency Zone H Compressor stops after running with F1 for 60 minutes or when Th 6 2 Temperature diffe...

Page 30: ...if T2 has descended for more than 5 if it has the machine starts defrosting or continues to judge T2 and will not defrost until T2 drops more than 5 Condition 3 No matter what value T4 is if the mach...

Page 31: ...e press the TURBO button on remote controller 1 Elevate current frequency excluding F8 to a higher grade If indoor fan is in low speed or pause caused by defrosting or anti cold wind function frequenc...

Page 32: ...orced cooling mode after running for 30 minutes the machine will turn to normal auto mode which setting temperature is 24 8 9 5 The action of forced auto mode is the same as normal auto mode which tem...

Page 33: ...as low speed and anti cold wind is available 8 13 4 If user uses timer on function in sleep mode sleep function will pause and not resume until reaches the setting on time 8 13 5 When user uses timer...

Page 34: ...wer than 5 the heating cable begins to work If outdoor temperature is higher than 15 the heating cable stops working 9 Troubleshooting Safety Because of there are capacitors in PCB and relative circui...

Page 35: ...r E6 Open or short circuit of room or evaporator temperature sensor E7 Outdoor unit fan protection P0 IGBT over strong current protection P1 Over voltage or too low voltage protection P2 Temperature p...

Page 36: ...nute connect the power supply turn on the unit with remote controller Does the unit work normally Check the wiring between indoor and outdoor unit Is the connection of L N S and GND good Is the GND co...

Page 37: ...ct the connector or Replace the outdoor PCB and then NO YES Check the compressor NO Is the indoor temperature and evaporator sensor Repair the connector and reconnect Replace the sensor and check if E...

Page 38: ...Is the power supply Be sure the power supply is normal when NO YES Replace the outdoor e box YES Does Is the connection Is refrigerant circulation NO NO Charge Is abnormality NO Check refrigerant syst...

Page 39: ...Model DA130S1C 20FZ Measure the resistance value of each winding by using the multi meter Position Resistance Value Blue Red 0 71 20 Blue Black Red Blue Position Resistance Value Blue Red 0 95 20 Blu...

Page 40: ...e resistance value of each winding by using the multi meter Model RPG28D Measure the resistance value of each winding by using the multi meter Position Resistance Value Black Red 372 20 Blue Red 249 2...

Page 41: ...st temp Te sensor Measure the resistance value of each winding by using the multi meter Some frequently used R T data for T1 T2 T3 and T4 sensor Temperature 5 10 15 20 25 30 40 50 60 Resistance Value...

Page 42: ...40...

Reviews:

No comments

Related manuals for 38LUVH025N

Room Air Conditioner

Brand: Napoleon Pages: 30

Brand: Kaden Pages: 36

Brand: Kaden Pages: 16

Brand: Panasonic Pages: 12

Brand: Panasonic Pages: 11

Brand: Panasonic Pages: 8

Brand: Panasonic Pages: 24

Brand: Panasonic Pages: 16

Brand: Panasonic Pages: 19

4SCU 16LS Series

Brand: Armstrong Air Pages: 32

Brand: Daikin Pages: 178

MPN2-12ERN1-BH2

Brand: Uberhaus Pages: 27

Brand: Bionaire Pages: 2

Brand: S&P Pages: 20

Brand: Friedrich Pages: 20

SDH 17-050 M2NW

Brand: Saunier Duval Pages: 80

Brand: asecos Pages: 52

Brand: German pool Pages: 44

Brands by name

0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Popular brands

Load more brands