Carrier 42/38KCJ024713 Technical & Service Manual Download

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Model:

42/38KCJ024713
42/38QCJ024713
42/38KCJ036813
42/38QCJ036813
42/38KCJ048813
42/38QCJ048813

Free Stand Air Conditioner

Summary of Contents for 42/38KCJ024713

Page 1: ...Model 42 38KCJ024713 42 38QCJ024713 42 38KCJ036813 42 38QCJ036813 42 38KCJ048813 42 38QCJ048813 Free Stand Air Conditioner ...

Page 2: ...only 6 4 2 Heat pump model 6 5 PCB drawing wiring diagram 7 6 Installation detail 13 6 1 Installation place 13 6 2 Installing 14 6 3 Refrigerant pipe connecting 16 6 4 Drain Pipe of The Indoor Unit 18 6 5 Wiring 19 6 6 Test operation 19 7 Electronic function 20 7 1 Performance Index 20 7 2 Main data Introduction 20 7 3 Operation Modes and Functions 20 7 4 Other Functions 22 8 Trouble shooting 22 8...

Page 3: ...product When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on If strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable as soon as possible When the product is soaked flooded or submerged contact an Authorized service center Be caution that water could not enter the product Turn the main power o...

Page 4: ...the filter securely Clean the filter every two weeks or more often if necessary Do not insert hands or other object through air inlet or outlet while the product is operated Do not drink the water drained from the product Use a firm stool or ladder when cleaning or maintaining the product Replace the all batteries in the remote control with new ones of the same type Do not mix old and mew batterie...

Page 5: ...t Dimensions 2 1 Indoor Unit Width mm Height mm Depth mm 24K 500 1700 290 36K 540 1825 410 48K 540 1825 410 2 2 Outdoor Unit Width mm Height mm Depth mm A mm B mm 24K 840 695 335 560 335 36K 895 860 330 590 333 48K 990 965 355 623 366 ...

Page 6: ...cal airflowcontrol louver 5 Remote controller holder on some models 6 Air inl et 2 sides 7 Drain pipe vent pipe 8 Connection cable 9 Connection pipe 10 Refrigerant pipe port 11 Air outlet Indoor unit 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 ...

Page 7: ...External view and display 5 3 2 Display panel ...

Page 8: ...Refrigerant cycle diagram 6 4 Refrigerant cycle diagram 4 1 Cooling only 4 2 Heat pump model ...

Page 9: ...PCB drawing Wiring diagram 7 5 PCB drawing wiring diagram 5 1 42 38KCJ024713 Indoor unit Outdoor unit 5 2 42 38QCJ024713 Indoor unit ...

Page 10: ...PCB drawing Wiring diagram 8 Outdoor unit 5 3 42 38KCJ036713 Indoor unit ...

Page 11: ...PCB drawing Wiring diagram 9 Outdoor unit 5 1 42 38QCJ036713 Indoor unit ...

Page 12: ...PCB drawing Wiring diagram 10 Outdoor unit 5 1 42 38KCJ048713 Indoor unit ...

Page 13: ...PCB drawing Wiring diagram 11 Outdoor unit 5 1 42 38QCJ048713 Indoor unit ...

Page 14: ...PCB drawing Wiring diagram 12 Outdoor unit ...

Page 15: ...between the indoor unit and the outdoor unit the length of the refrigerant pipe and the curved places bend of the pipe are no more than the following numbers Elevation difference no more than 10 M if the elevation difference between indoor and outdoor unit is more than 10 meters it is recommended that the outdoor unit be placed above the indoor unit Pipe length no more than 20 M Bends no more than...

Page 16: ...unit functioning Remove as many obstacles as possible nearby 6 2 Installing 6 2 1 To prevent the indoor unit from falling you must Pay full attention to the unit because its long outer shape makes it easy to fall Safety Lock Screws 3 9 25 M8 Screws Screws 3 9 25 Air Outlet Air Inlet Screw hole on the unit 2 Firmly fix the unit to the wall and in the ground to avoid accidental falling 6 2 2 Dismoun...

Page 17: ...ct the pipes wires on both sides and back side Drain Pipe Reamer Joint Pipe wire hole positions on both sides Wiring Hole 35 φ Refrigerant drain Pipe hole 80 φ Reamer Joint Refrigerant Pipe Pipe wire hole position on the bottom Wiring Hole 35 φ Refrigerant drain Pipe hole Refrigerant drain Pipe hole 6 2 4 Ship the a c to the installation place originally packed Be careful while hanging the unit be...

Page 18: ... Refrigerant pipe connecting 6 3 1 Pipe length and the elevation The correct refrigerant quantity filled in the 5 meter long pipe of the outdoor unit is marked on the Product Data Plate If you have to use longer pipe for every meter plus pipe the refrigerant should be added according to the following calculation Standard length Max Max Additional m Elevation Elevation refrigerant Btu h GAS LIQUID ...

Page 19: ...l through the maintenance port of the low pressure valves on the outdoor unit e Open all the valves completely before power on the system or it will be sick for low efficiency f Gas leak check Make sure no gas from connections with leak detector or soap water 6 3 2 2 Using bronze pipe selling in market Completely shut the cut off valves of the outdoor unit as ex work status After the refrigerant p...

Page 20: ... operation of the vacuum pump Make evacuation for 15 minutes or more and check that the compound meter indicates 76cmHg 10x106Pa f Turn the stem of the packed valve B about 45 counterclockwise for 6 7 seconds after the gas coming out then tighten the flare nut again Make sure the pressure display in the pressure indicator is a little higher than the atmosphere pressure g Remove the charge hose fro...

Page 21: ...ed 6 6 Test operation Perform test operation after completing gas leak and electrical safety check The test operation time should last more than 30 minutes 1 Open the panel and lift the panel up to angle which remains fixed Do not lift the panel any further when it stops with a click sound 2 Press the manual switch button twice until the operation indicator lights the unit will operate on Manual C...

Page 22: ...on for the compressor action Ts set temperature T1 room temperature 7 3 2 3 Indoor Fan Action Anytime remote switchover for fan speed among high low auto anti cold air function takes priority Auto fan in heating mode Anti cold air Switchover between fan speed and fine tune can be set according to temperature of evaporator pipe T2 Condition Compressor and outdoor fan Room temperature up T1 Ts 0 C O...

Page 23: ...g Action Four way valve indoor fan outdoor fan are shut down Compressor keeps on 7 3 3 3 Ending Of Defrosting Condition meet one of the following is ok 1 Time of defrosting lasts 10 minutes 2 Temperature of outdoor coil T3 is up to 20 C 7 3 4 Cooling Mode 7 3 4 1 Four way valve is closed If four way valve is open before the machine enters cooling mode then four way valve will be closed at the firs...

Page 24: ...sn t start up within consecutive 15 minutes the operation mode will be re chosen according to the T1and Ts 7 3 6 4 If certain condition is met then the corresponding protective function will be executed 7 3 7 Fan Only Mode 7 3 7 1 Under this mode four way valve compressor and outdoor fan are shut down 7 3 7 2 High Low Auto fan can be switched over through manual control Auto fan will be controlled...

Page 25: ...vailable under cooling and dehumidifying status 8 1 3 2 Protection principle Condition Outdoor fan Compressor T2 2 C last 3 minute Off Off T2 8 C On On 8 1 3 3 The restart of the compressor shall execute the delay protection 8 1 4 Condenser high temperature protection 8 1 4 1 Only available to cooling and dehumidifying mode 8 1 4 2 Action condition Condition Outdoor fan Compressor Condenser temp 6...

Page 26: ...n problems and solutions If any of the following conditions occur check your unit and resolve corresponding problems referring to given remediation If the trouble can t be settled contact our dealer Trouble Cause Solutions Unit does not start Power failure Wait for the comeback of power Power switch is open Switch on the power Fuse of power switch may have blown Replace the fuse Batteries remote c...

Page 27: ...otection feature the compressor turns off automatically Turn off the unit clean the air filter then restart the unit If this operation does not work please contact service people 5 P5 The temperature of condenser of the outdoor unit is too high For the protection feature the compressor turns off automatically Turn off the unit check if there is any obstacle in the air inlet otherwise call the serv...

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