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Carrier 38HNR010-713 Service Manual Download Page 44

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 4

3

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FILE NO. SVM-05003

9-5-2. Power can not be turned on after replacing indoor P.C. board

<Checking Procedure>

42HNR010-713

42HNR012-713

4

3

1 2

PC Board

Black

White

CN31

RY01

T02

Power Cord

Indoor Termial Block

Blue

Brown

Green/Yellow

4

3

1 2

PC Board

Black

White

CN31

RY01

T02

Power Cord

Indoor Termial Block

Blue

Brown

Green/Yellow

Connect the AC

Power supply

Does the OPERATION

lamp blink?

Is it wired as shown

in Figure below?

Return the wiring of the

power relay is returned to

the normal procedure.

To the paragraph of

"No Power turns on".

YES

NO

NO

YES

Downloaded from AC-Manual.com Manuals

Summary of Contents for 38HNR010-713

Page 1: ...FILE NO SVM 05003 4 42HNR010 713 38HNR010 713 42HNR012 713 38HNR012 713 SERVICE MANUAL AIR CONDITIONER SPLIT WALL TYPE Revised on Nov 2005 Downloaded from AC Manual com Manuals...

Page 2: ...Temperature Limit Control 7 5 Defrost Operation 8 INSTALLATION PROCEDURE 8 1 Safety Cautions 8 2 Installation Diagram of Indoor and Outdoor Units 8 3 Installation 8 4 Indoor Unit 8 5 Outdoor Unit 8 6...

Page 3: ...ODED VIEWS AND PARTS LIST 11 1 Indoor Unit E Parts Assy 11 2 Indoor Unit 11 3 Outdoor Unit 38HNR012 713 11 4 Outdoor Unit 38HNR010 713 10 PART REPLACEMENT 10 1 Indoor Unit 10 2 Outdoor Unit Downloaded...

Page 4: ...on pipe Maximum length m 15 1 One way Maximum height difference INDOOR UNIT 42HNR012 713 42HNR010 713 Height mm 275 Dimensions Width mm 790 Depth mm 208 Net weight kg 10 Evaporator type Finned tube In...

Page 5: ...ote 2 Temperature Condition JIS B8615 1 Cooling Heating Indoor unit inlet air temperature DB 27 C 20 C WB 19 C 15 C Outdoor unit inlet air temperature DB 35 C 7 C WB 24 C 6 C FILE NO SVM 05003 1 No ne...

Page 6: ...45 40 190 275 45 235 120 53 Hanger Hanger Hanger Hanger Hanger Drain hose 0 54m Connecting pipe 0 43m Flare 6 35 Connecting pipe 0 33m For stud bolt 8 10 For stud bolt 6 Installation plate outline Cen...

Page 7: ...11 Long holes For 8 10 anchor bolt 11x14 Hole 6 Hole 36 52 310 330 R15 270 600 90 780 62 COVER PV Electrical part cover Liquid side Flare 6 35 Gas side Flare 9 52 38HNR010 713 Gas side Flare 12 7 38H...

Page 8: ...A 250V P04 CN04 R22 YEL YEL YEL WHI CN11 AC FAN MOTOR INDOOR OUTDOOR BLK BLK 1 3 5 1 3 5 2 4 2 4 6 6 3 2 1 4 2 1 3 5 4 2 1 3 5 4 PNK PNK 1 2 1 2 1 3 5 1 3 5 1 2 1 2 3 3 1 1 2 2 BLK BLK 1 1 2 2 CN27 3...

Page 9: ...CN04 R22 YEL YEL YEL WHI INFRARED RAYS RECEIVE AND INDICATION PARTS CN11 AC FAN MOTOR INDOOR OUTDOOR BLK BLK 1 3 5 1 3 5 2 4 2 4 6 6 3 2 1 4 4 5 6 7 8 9 10 11 3 1 2 4 5 6 7 8 9 10 11 3 1 2 2 1 3 5 4...

Page 10: ...RF 2TK5R6 5 6 2W 12 Louver motor MP24Z 12VDC 13 Relay Comp RY01 DI1D Rating 25A AC250V 3 48VDC 14 15 Relay Fan RY03 Relay Solenoide RY04 G5NB 1A G5NB 1A Rating 3A AC250V 12VDC Rating 3A AC250V 12VDC 4...

Page 11: ...se 220 240V 50Hz 2 Fan motor for outdoor SKF 240 20B or Winding resistance Red Black White Black at 20 C 387 3 or 235 2 466 2 or 260 1 3 Running capacitor DS451155BPQC AC 450V 1 5 F for fan motor 4 3...

Page 12: ...e T1 P Refrigerant R22 1 00 kg 12 7 6 35 Ambient temp conditions DB WB C Indoor Outdoor Standard 1 81 46 0 High 20 15 7 6 Heating Overload 1 2 00 2 42 52 0 59 0 Low 27 24 18 Low temperature 1 50 38 0...

Page 13: ...Heat exchanger Ambient temp conditions DB WB C Indoor Outdoor Standard 1 65 40 0 High 20 15 7 6 Heating Overload 1 2 00 2 40 52 0 59 0 Low 27 24 18 Low temperature 1 40 35 0 High 20 10 10 Standard 0 5...

Page 14: ...Relay RY01 220 240V 50Hz Compressor Outdoor Fan Motor Initiallizing Circuit Clock Frequency Oscillator Circuit Louver Control 3 minutes Delay at Restart for Compressor Processing Temperature Processi...

Page 15: ...the indoor heat exchanger by the indoor temperature sensor The temperature measurement at the indoor heat exchanger by the indoor heat exchanger temperature sensor Indoor fan motor operation control L...

Page 16: ...g of air flow FAN AUTO 1 1 1 L 3 C 2 5 2 1 5 1 0 5 0 5 0 M Room temp Preset temp Preset temp 0 5 C 0 Preset temp ON ON OFF OFF OFF ON Compressor 4 way valve Outdoor fan OPERATION display Room temp Pre...

Page 17: ...Preset temp OPERATION display Room temp Preset temp 0 5 FILE NO SVM 05003 3 The indoor heat exchanger restricts revolving speed of the fan motor to prevent a cold draft The upper limit of the revolvi...

Page 18: ...than preset temperature 25 minutes or more passed after starting the unit Room temperature Preset temperature 3 5 C Fig 7 2 8 Room temp Preset temp C 4 0 1 The louver moves to the position same as Hi...

Page 19: ...0 minutes When the outdoor temperature is very low however the defrost operating time is 10 minutes Fig 7 5 2 DEFROST LAMP During defrost operation the PRE DEF lamp is on and the indoor and outdoor fa...

Page 20: ...mark 1 This function is available only for heat pump model Cooling models have no a current sensor C T Input current 13 5A 19 2A 12 5A 17 8A 10A 15 6A 9A 15 0A Compressor Outdoor fan More than I4 cont...

Page 21: ...The power supply to the unit must be on the function will not set if the power is off Push the TEMPORARY button located in the center of the front panel continuously for three seconds The unit receive...

Page 22: ...to operate The orange lamp is on After approx three seconds The unit beeps three times The lamp changes from and continues to operate orange to green If the unit is not required to operate at this tim...

Page 23: ...t bear the weight of the unit Personal injury and property damage can result if the unit falls Before doing the electrical work attach an approved plug to the power supply cord Also make sure the equi...

Page 24: ...utely sure that the installation of this appliance is reported to the local power supplier before installation If you experience any problems or if the installation is not accepted by the supplier the...

Page 25: ...e refrigerant pipes separately with insulation not together For the rear left and left piping Insert the cushion between the indoor unit and wall and tilt the indoor unit for better operation 1 Instal...

Page 26: ...Drain outlet 600 mm 90 mm 125 mm 115 mm 32 5 mm 73 mm 102 mm 310 mm 7 mm 3 0 Part Code A B C Q ty One each 13 One each Parts name Refrigerant piping Liquid side 6 35 mm Gas side 9 52 mm 42HNR010 713 G...

Page 27: ...trol holder x 1 Nano Silver filter x 1 Nano Photo filter x 1 Part No 4 5 6 Part No 7 8 Others Name Owner s manual Installation manual Part name Q ty Mounting screw 4 x 25 s x 6 Pan head wood screw 3 1...

Page 28: ...eo equipment This is necessary to prevent image disturbances or noise interference The location of the remote control should be determined as shown below Fig 8 4 1 5 m 5 m 45 45 75 7 m 7 m Top view In...

Page 29: ...lip anchors for appropriate 7 mounting screws NOTE Secure four corners and lower parts of the installation plate with 4 to 6 mounting screws to install it Installation plate Keep horizontal direction...

Page 30: ...Slightly open the lower part of the front panel then pull the upper part of the front panel toward you to remove it from the rear plate 4 After removing the front panel remove the power cord connect...

Page 31: ...e 1 2 N m 0 12 kgf m 7 Secure the connecting cable with the cord clamp 8 Fix the terminal cover rear plate bushing and air inlet grille on the indoor unit CAUTION Be sure to refer to the wiring system...

Page 32: ...4 13 How to fix the drains cap 1 Insert hexagonal wrench 4 mm in a center head Fig 8 4 14 2 Firmly insert drains cap Fig 8 4 15 CAUTION Firmly insert the drain hose and drain cap otherwise water may...

Page 33: ...g tape wound on the connecting pipe to avoid double taping at the joint moreover seal the joint with the vinyl tape etc Since dewing results in a machine trouble make sure to insulate both the connect...

Page 34: ...place which is not exposed to a strong wind A place free of a leakage of combustible gases A place which does not block a passage When the outdoor unit is to be installed in an elevated position be su...

Page 35: ...to 1 8 kgf m 9 52 30 to 42 3 0 to 4 2 kgf m 12 70 50 to 62 5 0 to 6 2 kgf m 8 5 2 Refrigerant piping connection 1 Cut the pipe with a pipe cutter Fig 8 5 2 2 Insert a flare nut into the pipe and flar...

Page 36: ...1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of...

Page 37: ...pe H07 RN F or 245 IEC66 2 0 mm2 or more 8 6 How to Set Remote Control Selector Switch When two indoor units as installed in seperated rooms there is no need to change the selector switch Remote contr...

Page 38: ...follow the steps described in the section Auto Restart Function of the Owner s Manual Valve stem cap connection Service cap connection Valve cover 2 Set the remote control selector switch with the re...

Page 39: ...trol is operated in the Dry operation 5 The PRE DEF lamp is indicated when the Heating operation starts 6 The outdoor fan motor stops in the Heating operation 7 The compressor is not turned on even th...

Page 40: ...p is blinking 5Hz F OPERATION and TIMER lamps are blinking 5Hz G OPERATION TIMER and PRE DEF or FAN ONLY for cooling only model lamps are blinking Table 9 3 2 Diagnosis by detective operation The remo...

Page 41: ...P button If there is no fault with a code the indoor unit will beep once Pi and the display of the remote control will change as follows Check the unit with all 35 check codes 00 to 22 as shown in Tab...

Page 42: ...ck P C board 1 Check heat thermal fuse is blow or not Terminal block part 2 If the thermal fuse is not blow check indoor fan motor Refer to trouble shooting flow charts Replace P C board 1 Check conne...

Page 43: ...YES YES YES YES NO NO NO NO Does the thermal fuse blow Under PF Terminal Wrong wiring of AC cord or connecting cable is defective Replace the thermal fuse set Check connection Is the indication voltag...

Page 44: ...Termial Block Blue Brown Green Yellow 4 3 1 2 PC Board Black White CN31 RY01 T02 Power Cord Indoor Termial Block Blue Brown Green Yellow Connect the AC Power supply Does the OPERATION lamp blink Is it...

Page 45: ...NO NO NO YES YES YES YES Does the power turn on by pushing the START STOP button of the remote control Is AC 220 240V supplied between terminal block 1 2 Relays RY01 or Q16 or IC30 is failure Replace...

Page 46: ...ion between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the outdoor terminal 1 2 AC 220 240V Cables between indoor and outdoor units are def...

Page 47: ...s RY03 or Q25 or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling between indoor and outdoor units Is the voltage across the terminal...

Page 48: ...ned on Is the voltage across the indoor terminal 2 3 220 240V Relays RY04 or Q24 or IC30 is failure Replace the P C board Is cable connection between indoor and outdoor units correct Correct cabling b...

Page 49: ...d Change the setting of cooling to high fan Does the cross flow fan rotate normally Repair the bearing of the fan Thermal fuse operated due to prevent temperature rising cause of incompleted connectin...

Page 50: ...NO NO NO NO NO NO Is operation possible when setting the temporary switch of the air conditioner main unit to TEST RUN or TEMPORARY AUTO Can any signal tone be heard in a trasistor radio when transmit...

Page 51: ...hold the Whole housing Do not pull at the lead wire 2 Inspection procedres 1 When a P C board is judged to be defective check for disconnection burning or discolora tion of the copper foil pattern or...

Page 52: ...1 and GND 2 Between No 1 and 2 of connect ing cable terminal block AC 220 240V 1 All indicators light for 3 sec 2 Indicators do not indicate normally after approximate 3 sec 1 Compressor does not oper...

Page 53: ...y timer 1 Set the operation mode temperature and air flow code timer short code 3 Pushing START STOP buttons sends operation are released The status is kept even if CHK and CLR buttons and the timer s...

Page 54: ...unit Then remove the LED unit and the electrical part box from the main unit How to mount the electrical part 1 To put back the electrical part box lock it to the upper hook of the back body 2 Tighte...

Page 55: ...e fan motor Notice To assemble cross flow fan and fan motor to the unit please turn the fan motor unit the center of its terminal meets the lowest point of band motor R point A Fix the cross flow fan...

Page 56: ...out upward 1 Perform the common procedure 1 2 Remove the fixing screw and the capacitor band 1 Screw 4 x 10L 3 Disconnect the lead wires 1 Perform the common procedure 1 2 Remove the fixing screw and...

Page 57: ...403 43T69005 SENSOR HEAT EXCHANGER 404 SENSOR THERMOSTAT 405 43T69079 PC BOARD ASSY WRS LED Location Part Description No No 406 43T60077 FUSE TEMPERATURE 77C 410 43T62003 CORD CLAMP 411 43T69433 PC B...

Page 58: ...2 BAND MOTOR L 210 43T44352 REFRIGERATION CYCLE ASSY 223 43T21338 MOTOR FAN For 42HNR010 713 For 42HNR012 713 224 43T39303 BAND MOTOR R 210 43T44355 REFRIGERATION CYCLE ASSY 225 43T82301 PLATE INSTALL...

Page 59: ...ON RUBBER 6 43T62311 ELECTRIC PART COVER 20 43T52310 PACKED VALVE COVER ASSEMBLY 7 43T20307 FAN PROPELLER 21 43T55304 MF CAPACITOR 35uF 370V 8 43T21308 MOTOR FAN 22 43T55314 CAPACITOR PLASTIC FILM 9 4...

Page 60: ...3T49001 CUSHION RUBBER 6 43T62311 ELECTRIC PART COVER 20 43T52310 PACKED VALVE COVER ASSEMBLY 7 43T20307 FAN PROPELLER 21 43T55305 CAPACITOR PLASTIC FILM 8 43T21341 MOTOR FAN 22 43T55314 CAPACITOR PLA...

Page 61: ...61 FILE NO SVM 03007 Downloaded from AC Manual com Manuals...

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