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15.5.8 H27 (Outdoor Air Temperature Sensor Abnormality)

Malfunction Decision Conditions



During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature

sensor are used to determine sensor errors.

Malfunction Caused



Faulty

connector

connection.



Faulty

sensor.



Faulty

PCB.

Troubleshooting

Содержание CS-RE12QKE

Страница 1: ... WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service ...

Страница 2: ...tart Control 42 12 8 Indication Panel 42 13 Protection Control 43 13 1 Protection Control For All Operations 43 13 2 Protection Control For Cooling Soft Dry Operation 45 13 3 Protection Control For Heating Operation 46 14 Servicing Mode 47 14 1 Auto OFF ON Button 47 14 2 Remote Control Button 48 15 Troubleshooting Guide 49 15 1 Refrigeration Cycle System 49 15 2 Relationship Between The Condition ...

Страница 3: ...D Otherwise it may cause electrical shock and fire in case equipment breakdown or insulation breakdown 10 Do not use joint cable for indoor outdoor connection cable Use the specified Indoor Outdoor connection cable refer to installation instruction CONNECT THE CABLE TO THE INDOOR UNIT and connect tightly for indoor outdoor connection Clamp the cable so that no external force will be acted on the t...

Страница 4: ...ng point is 50 F 70 F 30 C 40 C higher Please use a high temperature solder iron In case of the soldering iron with temperature control please set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F 600 C 7 Power supply connection to the room air conditioner Use power supply cord 3 1 5 mm 1 0 1 75HP 3 2 5 mm 2 0 2 5HP type designation 60245 IEC 57 or heavie...

Страница 5: ... 42 30 22 Indoor Noise Power Level dB 57 58 dB A 47 48 Cooling Outdoor Noise Power Level dB 62 63 kW 0 80 3 30 4 10 0 80 4 00 5 10 BTU h 2730 11300 14000 2730 13600 17400 Capacity kcal h 690 2840 3530 690 3440 4390 Running Current A 3 55 4 60 Input Power W 195 800 1 13k 200 1 05k 1 42k W W 4 10 4 13 3 63 4 00 3 81 3 59 BTU hW 14 00 14 13 12 39 13 65 12 95 12 25 COP kcal hW 3 54 3 55 3 12 3 45 3 28...

Страница 6: ...emoval L h Pt h 1 5 3 2 2 0 4 2 Cool m 3 min ft 3 min 5 74 203 5 69 201 QLo Heat m 3 min ft 3 min 7 03 248 6 79 240 Cool m 3 min ft 3 min 6 68 236 7 59 268 Lo Heat m 3 min ft 3 min 7 62 269 8 85 312 Cool m 3 min ft 3 min 9 22 326 9 94 351 Me Heat m 3 min ft 3 min 10 22 361 10 50 371 Cool m 3 min ft 3 min 11 7 415 12 3 435 Indoor Airflow Hi Heat m 3 min ft 3 min 12 8 450 12 8 450 Cool m 3 min ft 3 ...

Страница 7: ...ation Range Heating Minimum C 15 16 15 16 1 Cooling capacities are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C Wet Bulb 66 2 F Wet Bulb and outdoor air temperature of 35 C Dry Bulb 95 F Dry Bulb 24 C Wet Bulb 75 2 F Wet Bulb 2 Heating capacities are based on indoor temperature of 20 C Dry Bulb 68 F Dry Bulb and outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet...

Страница 8: ...31 29 Indoor Noise Power Level dB 60 dB A 49 Cooling Outdoor Noise Power Level dB 64 kW 0 80 5 00 6 80 BTU h 2730 17100 23200 Capacity kcal h 690 4300 5850 Running Current A 6 00 Input Power W 200 1 35k 2 05k W W 4 00 3 70 3 32 BTU hW 13 65 12 67 11 32 COP kcal hW 3 45 3 19 2 85 Pdesign kW 3 6 Tbivalent C 10 SCOP W W 3 8 Annual Consumption kWh 1326 ErP Class A Power Factor 98 dB A H L Q Lo 44 35 2...

Страница 9: ... 910 Moisture Removal L h Pt h 2 4 5 1 Cool m 3 min ft 3 min 6 94 245 QLo Heat m 3 min ft 3 min 8 17 288 Cool m 3 min ft 3 min 7 81 276 Lo Heat m 3 min ft 3 min 10 03 354 Cool m 3 min ft 3 min 10 16 359 Me Heat m 3 min ft 3 min 12 07 426 Cool m 3 min ft 3 min 12 50 440 Indoor Airflow Hi Heat m 3 min ft 3 min 13 40 475 Cool m 3 min ft 3 min 33 3 1175 Outdoor Airflow Hi Heat m 3 min ft 3 min 33 3 11...

Страница 10: ... Wet Bulb and outdoor air temperature of 35 C Dry Bulb 95 F Dry Bulb 24 C Wet Bulb 75 2 F Wet Bulb 2 Heating capacities are based on indoor temperature of 20 C Dry Bulb 68 F Dry Bulb and outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb 3 Heating low temperature capacity Input Power and COP measured at 230 V indoor temperature of 20 C outdoor 2 1 C 4 Heating extr...

Страница 11: ...ion substances refrigerant R410A Long Installation Piping o CS CU RE9 12 15QKE long piping up to 15 meters Easy to use remote control Quality Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect compressor Serviceability Improvement o Breakdown Self Diagnosis function ...

Страница 12: ... direction louver Do not adjust by hand Horizontal Airflow direction louver Manually adjust INDICATOR POWER Green TIMER Orange 4 2 Outdoor Unit 4 3 Remote Control MODE TEMP OFF ON TIMER SET CANCEL ON OFF 1 2 3 AIR SWING FAN SPEED SET CHECK CLOCK RESET AC RC FAN SPEED AIR SWING AUTO HEAT COOL DRY Check Timer setting Airflow direction selection Fan speed selection Transmitter Operation mode Temperat...

Страница 13: ...e Control Remote Control Holder 22 47 134 61 51 870 1 2 1 2 214 61 45 Right piping hole 290 214 125 115 60 60 410 41 61 Gas side Liquid side Relative position between the indoor unit and the installation plate Front View Right piping hole Left piping hole 497 2 Indoor unit external dimensions line Installation plate Unit mm 16 5 264 2 128 439 432 128 43 95 241 5 241 5 128 ...

Страница 14: ...de View Side View Anchor Bolt Pitch 330 540 Space necessary for installation 100 mm 100 mm 1000 mm Unit mm 3 way valve at Gas side Low Pressure 2 way valve at Liquid side High Pressure 69 6 18 61 6 542 11 5 289 24 4 104 7 60 5 155 84 8 34 5 570 104 9 780 67 6 ...

Страница 15: ...ew Side View Side View Anchor Bolt Pitch 330 540 Space necessary for installation 100mm 100mm 1000mm Unit mm 3 way valve at Gas side Low Pressure 2 way valve at Liquid side High Pressure 22 124 62 6 330 619 167 97 69 20 62 32 540 160 824 68 7 37 299 ...

Страница 16: ...NSOR PIPE TEMP SENSOR 2 COMPRESSOR TEMP SENSOR PIPE TEMP SENSOR 1 PIPE TEMP SENSOR OUTDOOR AIR TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEATING COMPRESSOR 4 WAYS VALVE CONDENSER MUFFLER MUFFLER STRAINER EXPANSION VALVE ...

Страница 17: ...1 FUSE101 FUSE104 REACTOR FUSE102 RY PWR PTC1 PTC NTC TH3 CT102 4 WAYS VALVE RY AC FUSE103 IC19 MS 3 MS 3 RY PWR RY PWR2 FUSE301 TEMP FUSE TEMP FUSE SC L U M INDOOR UNIT OUTDOOR UNIT SC 2 3 N SINGLE PHASE POWER SUPPLY 1ø 230V 50Hz NOISE FILTER U ...

Страница 18: ...1 FUSE101 FUSE104 REACTOR FUSE102 RY PWR PTC1 PTC NTC TH3 CT102 4 WAYS VALVE RY AC FUSE103 P N IC20 Q1 MS 3 MS 3 RY PWR RY PWR2 FUSE301 TEMP FUSE TEMP FUSE SC L U M INDOOR UNIT OUTDOOR UNIT SC 2 3 N SINGLE PHASE POWER SUPPLY 1ø 230V 50Hz NOISE FILTER U ...

Страница 19: ...PLY 1ø 230V 50Hz ELECTRONIC CONTROLLER MAIN UP DOWN LOUVER MOTOR CN STM1 WHT BR 1 5 1 5 R O M Y P REMARKS B BLUE P PINK BR BROWN O ORANGE BL BLACK Y YELLOW W WHITE G GREEN R RED Y G YELLOW GREEN CN DISP YLW CN DISP WHT ELECTRONIC CONTROLLER DISPLAY RECEIVER 1 5 6 1 W W W W W NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT COMMUNICATION CIRCUIT TO OUTDOOR UNIT SUCTION TEMP SENSOR THERMISTOR 6 1 CN TH RE...

Страница 20: ... VALVE 1 3 CN HOT WHT CN TH WHT P N SWITCHING POWER SUPPLY CIRCUIT FUSE102 T3 15A L250V FUSE101 20A 250V 3 2 1 COMMUNICATION CIRCUIT PFC CIRCUIT W U V FAN MOTOR ELECTRONIC CONTROLLER MS 3 FUSE104 15A 250V NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT RED RED TRADE MARK BLUE BLU YELLOW YLW COMP TERMINAL ELECTRO MAGNETIC COIL EXPANSION VALVE CN STM WHT 1 6 M REMARKS BLACK BLK RED ...

Страница 21: ...1 3 CN HOT WHT CN TH WHT P N SWITCHING POWER SUPPLY CIRCUIT FUSE102 T3 15A L250V FUSE101 20A 250V 3 2 1 COMMUNICATION CIRCUIT PFC CIRCUIT W U V FAN MOTOR ELECTRONIC CONTROLLER MS 3 FUSE104 15A 250V NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT RED RED TRADE MARK BLUE BLU YELLOW YLW COMP TERMINAL ELECTRO MAGNETIC COIL EXPANSION VALVE CN STM WHT 1 6 M REMARKS BLACK BLK RED RED WHI...

Страница 22: ...e Temp Sensor Intake Air Temp Sensor 1 1 2 2 CN DISP YELLOW UP DOWN LOUVER MOTOR CN STM1 WHITE 1 5 4 3 2 12V 74 144 70 64 61 M 12V 1 2 3 4 5 6 7 16 9 8 15 14 13 12 11 10 IC03 R47 1 2W 68 5 143 R46 1 2W 68 5 GND VCC 6 1 2 3 4 5 CN DISP WHITE 5 4 3 2 1 ELECTRONIC CONTROLLER DISPLAY RECEIVER P C B PCB201 POWER green TIMER orange 16 17 R201 470 1 10W 5 R202 2k 1 10W 5 LED201 LED202 GND A 5V_ 1 2 3 Vou...

Страница 23: ...SWITCHING POWER SUPPLY CIRCUIT FUSE102 T3 15A L250V FUSE101 20A 250V 3 RED 2 WHITE S1 BLACK COMMUNICATION CIRCUIT PFC CIRCUIT W U V ELECTRONIC CONTROLLER MS 3 FUSE104 15A 250V NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT M TANK TEMP SENSOR 50kΩ 3950 1 3 CN TANK WHITE 5V G8 R1 4 99k 1 G8 C3 1µ 10V CN TH WHITE OUTDOOR TEMP SENSOR 15kΩ 3950 PIPE TEMP SENSOR1 4 96kΩ 3800 5V 1 2 3 4...

Страница 24: ... SUPPLY CIRCUIT FUSE102 T3 15A L250V FUSE101 20A 250V 3 RED 2 WHITE S1 BLACK COMMUNICATION CIRCUIT PFC CIRCUIT W U V ELECTRONIC CONTROLLER MS 3 FUSE104 15A 250V NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT M TANK TEMP SENSOR 50kΩ 3950 1 3 CN TANK WHITE 5V G8 R1 4 99k 1 G8 C3 1µ 10V CN TH WHITE OUTDOOR TEMP SENSOR 15kΩ 3950 PIPE TEMP SENSOR1 4 96kΩ 3800 5V 1 2 3 4 G8 G8 G8 R12 1...

Страница 25: ...25 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board CN FM CN STM1 CN TH CN DISP CN RMT RY PWR AC303 G301 AC304 RY PWR2 JP1 Random Auto Restart enable disable ...

Страница 26: ...26 10 1 2 Indicator Receiver Printed Circuit Board CN DISP ...

Страница 27: ...27 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board 10 2 1 1 CU RE9QKE CN HOT CN STM CN TH CN MTR1 CN MTR2 CN TANK AC BLK DATA AC WHT POWER TRANSISTOR IPM CURRENT TRANSFORMER CT ...

Страница 28: ...28 10 2 1 2 CU RE12QKE CU RE15QKE CN HOT CN MTR1 CN MTR2 CN TH CN STM CN TANK AC BLK DATA AC WHT POWER TRANSISTOR IPM CURRENT TRANSFORMER CT ...

Страница 29: ...m 1 4 5 7 5 20 15 3 15 7 5 20 15 3 15 7 5 20 15 3 15 7 5 20 15 3 15 10 30 30 3 20 P H 5 1 2 1 E Y 2 1 E U 2 1 E R RE15 1 75HP 12 7mm 1 2 UE18 2 0HP 7 5 20 20 3 15 8 1 E R RE24 2 5HP 15 88mm 5 8 Example For RE9 If the unit is installed at 10 m distance the quantity of additional refrigerant should be 50 g 10 7 5 m 20 g m 50 g 11 1 3 Indoor Outdoor Unit Installation Diagram 50 mm or more 65 mm or mo...

Страница 30: ...ith 5 screws or more at least 5 screws If mounting the unit on the concrete wall consider using anchor bolts o Always mount the installation plate horizontally by aligning the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with ø70 mm hole core drill o Line according to the left and right side of the installation plate The meeting point of the extended line ...

Страница 31: ...nnecting the piping column in outdoor unit section Below steps are done after connecting the outdoor piping and gas leakage confirmation Step 7 Insulate and finish the piping Step 8 Secure the Indoor Unit Please refer to Insulation of piping connection column as mentioned in indoor outdoor unit installation Right Rear piping Cover for the bottom piping Cover for the bottom piping Tape it with pipi...

Страница 32: ... Isolating Devices Disconnecting means o Connect approved type polychloroprene sheathed power supply cord 3 1 5 mm2 1 0 1 75HP 3 2 5 mm2 2 0 2 5HP type designation 60245 IEC 57 or heavier cord to the terminal board and connect the others end of the cord to Isolating Devices Disconnecting means o Do not use joint power supply cord Replace the wire if the existing wire from concealed wiring or other...

Страница 33: ...rew and close the front panel Recommended length mm Tape Connection cable Tape Power supply cord Recommended length mm a 55 b 35 c 35 d 50 e 40 f 35 g 60 Terminal Board Control Board Earth wire longer than others AC wires for safety reason Holder Holder Indoor outdoor connection cable Isolating Devices Outdoor unit Power supply cord Note Isolating Devices Disconnecting means should have minimum 3 ...

Страница 34: ...ING REQUIREMENT Conductor fully inserted Conductor not fully inserted gap between wires WARNING RISK OF FIRE JOINING OF WIRES MAY CAUSE OVERHEATING AND FIRE Do not joint wires OR OR OR Use complete wire without joining Use approved socket and plug with earth pin Wire connection in this area must follow to national wiring rules ACCEPT PROHIBITED PROHIBITED ...

Страница 35: ...e at joint portion of tube assembly onto the copper pipe In case of using long piping Connect the piping Align the center of piping and sufficiently tighten the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table Do not overtighten overtightening may cause gas leakage Piping size Torque 6 35 mm 1 4 18 N m 1 8 kgf m 9 52 mm 3 8 42 N m 4...

Страница 36: ...re that the needle in the gauge does not move after approximately five minutes Note BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERENT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 18 N m with a torque wrench 7 Remove the valve caps of both of the 2 way valve a...

Страница 37: ...rly earthed Earth wire shall be Yellow Green Y G in colour and longer than other AC wires for safety reason 11 3 5 Piping Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the room where dew may form...

Страница 38: ...tting temperature and it is updated continuously whenever the electrical power is supplied to the unit 12 1 2 Cooling Operation 12 1 2 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 1 5 C continue for 3 minutes When compressor is OFF Thermostat OFF and AUTO FAN is set the fan will stop periodically Compressor is ON after waiting for 3 minutes if the...

Страница 39: ... 3 C if previous operate in DRY mode then continue in DRY mode otherwise COOL mode is decided o If 2 C indoor intake temperature remote control setting temperature 3 C maintain with previous mode o If indoor intake temperature remote control setting temperature 2 C HEAT mode is decided 12 2 Indoor Fan Motor Operation 12 2 1 Basic Rotation Speed rpm A Basic Rotation Speed rpm i Manual Fan Speed Coo...

Страница 40: ... then H19 fan motor error is detected Operation stops and cannot on back 12 3 Outdoor Fan Motor Operation Outdoor fan motor is operated with one fan speed only It starts when compressor starts operation and it stops 30 seconds after compressor stops operation During cooling operation and outdoor ambient temperature is below 8 C outdoor fan speed will be controlled according to outdoor piping tempe...

Страница 41: ...ve For heating mode operation the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below It does not swing during fan motor stop When the air conditioner is stopped using remote control the vane will shift to close position 2 Manual vertical airflow direction can be set using remote control the angles of the vane are as stated above and the positions of the vane are a...

Страница 42: ...o be selected randomly after power supply resumes This type of control is not applicable during ON OFF Timer setting This control can be omitted by open the circuit of JP1 at indoor unit printed circuit board 12 8 Indication Panel LED POWER TIMER Color Green Orange Light ON Operation ON Timer Setting ON Light OFF Operation OFF Timer Setting OFF Note If POWER LED is blinking the possible operation ...

Страница 43: ...Soft Dry A 4 41 6 07 7 94 Cooling Soft Dry B 3 94 5 52 7 42 Cooling Soft Dry C 3 94 5 52 7 42 Heating 4 65 15 02 6 00 15 02 9 13 15 02 4 The first 30 minutes of cooling operation A will be applied 13 1 3 IPM Power transistor Prevention Control Overheating Prevention Control 1 When the IPM temperature rises to 120 C compressor operation will stop immediately 2 Compressor operation restarts after 3 ...

Страница 44: ...and Soft Dry operations Indoor suction temperature indoor piping temperature is below 4 C o During Heating operations Indoor piping temperature indoor suction is under 5 C Control contents o Compressor stops and restart after 3 minutes o If the conditions above happen 2 times within 20 minutes the unit will Stop operation Timer LED blinks and F91 indicated 13 1 6 Low Frequency Protection Control 1...

Страница 45: ...hanger is higher than 5 C At the same time indoor fan speed will be higher than during its normal operation If indoor heat exchanger temperature is higher than 5 C for 5 minutes the fan speed will return to its normal operation 13 2 4 Freeze Prevention Control 2 Control start conditions o During Cooling operation and soft dry operation During thermo OFF condition indoor intake temperature is less ...

Страница 46: ... 13 3 2 Outdoor Air Temperature Control The Max current value is regulated when the outdoor air temperature rise above 14 C in order to avoid compressor overloading 13 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below If the heat exchanger temperature exceeds 60 C compressor will stop 13 3 4 Low Tempera...

Страница 47: ...ONTROL NUMBER SWITCH MODE The Remote Control Number Switch Mode will be activated if the Auto OFF ON button is pressed continuously for more than 11 seconds 3 beep sounds will occur at 11th seconds to identify the Remote Control Number Switch Mode is in standby condition and press AC RESET button and then press any button at remote control to transmit and store the desired transmission code to the...

Страница 48: ...mote Control Receiving Sound OFF ON Mode is restarted 14 2 Remote Control Button 14 2 1 SET Button To check remote control transmission code and store the transmission code to EEPROM o Press Set button continuously for 10 seconds by using pointer o Press Timer Set button until a beep sound is heard as confirmation of transmission code changed 14 2 2 RESET RC To clear and restore the remote control...

Страница 49: ... problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table on the right ...

Страница 50: ...Electric current during operation Low Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started ...

Страница 51: ...sly for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the TIMER or button on the remote controller The code H00 no abnormality will be displayed and signal will be transmitted to the main unit The power LED lights up If no abnormality is stored in the memory three beeps sound will be ...

Страница 52: ...ality Port is ON for 10s during ion device off ion device PCB H27 Outdoor air temperature sensor abnormality Continuous for 5s Outdoor air temperature sensor open or short circuit Outdoor air temperature sensor lead wire and connector H28 Outdoor heat exchanger temperature sensor 1 abnormality Continuous for 5s Outdoor heat exchanger temperature sensor 1 open or short circuit Outdoor heat exchange...

Страница 53: ...zing abnormality 3 times happen within 40 minutes Wrong wiring and connecting pipe expansion valve leakage indoor heat exchanger sensor open circuit Check indoor outdoor connection wire and pipe Indoor heat exchanger sensor lead wire and connector Expansion valve lead wire and connector F90 Power factor correction PFC circuit protection 4 times happen within 10 minutes Power factor correction circ...

Страница 54: ...ived from outdoor unit in indoor unit signal transmission is checked whether it is normal Malfunction Caused Faulty indoor unit PCB Faulty outdoor unit PCB Indoor unit outdoor unit signal transmission error due to wiring error Indoor unit outdoor unit signal transmission error due to breaking of wire in the connection wires between the indoor and outdoor units Troubleshooting ...

Страница 55: ...are interconnected Malfunction Caused Wrong models interconnected Wrong indoor unit or outdoor unit PCBs mounted Indoor unit or outdoor unit PCBs defective Indoor outdoor unit signal transmission error due to wrong wiring Indoor outdoor unit signal transmission error due to breaking of wire 3 in the connection wires between the indoor and outdoor units Troubleshooting ...

Страница 56: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 57: ...n Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 58: ...ion Conditions An input current detected by Current Transformer CT is below threshold value when the compressor is operating at certain frequency value for 3 minutes Malfunction Caused Lack of gas Broken CT current transformer Broken Outdoor PCB Troubleshooting ...

Страница 59: ...etermine abnormal fan motor feedback of rotation 2550rpm or 50rpm Malfunction Caused Operation stops due to short circuit inside the fan motor winding Operation stops due to breaking of wire inside the fan motor Operation stops due to breaking of fan motor lead wires Operation stops due to Hall IC malfunction Operation error due to faulty indoor unit PCB Troubleshooting ...

Страница 60: ... Decision Conditions During startup and operation of cooling and heating the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 61: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 62: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 63: ...tion Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 64: ...nction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 65: ...alfunction Decision Conditions The supply power is detected for its requirement by the indoor outdoor transmission Malfunction Caused Wrong models interconnected Wrong indoor unit and outdoor unit PCBs used Indoor unit or outdoor unit PCB defective Troubleshooting ...

Страница 66: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 67: ...Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 68: ...ction Decision Conditions During startup and operation of cooling and heating the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors Malfunction Caused Faulty connector connection Faulty sensor Faulty PCB Troubleshooting ...

Страница 69: ...h pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation Phenomena unit is stopping and re starting very often in heating mode Malfunction Caused Indoor heat exchanger thermistor Clogged air filter or heat exchanger Over bent pipe liquid side Troubleshooting ...

Страница 70: ...Decision Conditions Freeze prevention control takes place when indoor pipe temperature is lower than 2 C Malfunction Caused Clogged air filter of the indoor unit Dust accumulation on the indoor unit heat exchanger Air short circuit Detection error due to faulty indoor pipe temperature sensor Detection error due to faulty indoor unit PCB Troubleshooting ...

Страница 71: ...cold during heating except deice or when indoor heat exchanger is hot during cooling and compressor operating the 4 way valve is detected as malfunction Malfunction Caused Indoor heat exchanger pipe thermistor 4 way valve malfunction Troubleshooting Check gas side pipe for hot gas flow in cooling mode ...

Страница 72: ...rature and indoor pipe temperature is above 10 C or indoor pipe temperature is below 1 0 C Remark When the indoor standby unit is freezing the outdoor unit transfers F17 error code to the corresponding indoor unit and H39 to other indoor unit s Malfunction Caused Wrong wiring connection Faulty sensor Faulty expansion valve Troubleshooting ...

Страница 73: ...startup and operation of cooling and heating when Power Factor Correction PFC protection circuitry at the outdoor unit main PCB senses abnormal DC voltage level for power transistors When DC voltage detected is LOW transistor switching will turn ON by controller to push up the DC level When DC voltage detected is HIGH 391Vdc 425Vdc active LOW signal will send by the controller to turn OFF relay RY...

Страница 74: ...rigeration Cycle Abnormality Malfunction Decision Conditions The input current is low while the compressor is running at higher than the setting frequency Malfunction Caused Lack of gas 3 way valve close Troubleshooting ...

Страница 75: ...alfunction Decision Conditions A compressor rotation failure is detected by checking the compressor running condition through the position detection circuit Malfunction Caused Compressor terminal disconnect Outdoor PCB malfunction Troubleshooting ...

Страница 76: ... the outdoor unit heat exchanger thermistor Malfunction Caused Outdoor heat exchanger temperature rise due to short circuit of hot discharge air flow Outdoor heat exchanger temperature rise due to defective of outdoor fan motor Outdoor heat exchange temperature rise due to defective outdoor heat exchanger thermistor Outdoor heat exchanger temperature rise due to defective of outdoor unit PCB Troub...

Страница 77: ...vated o Heat Sink Overheating During operation of cooling and heating when heat sink temperature data 90 C is detected by the heat sink temperature sensor Malfunction Caused IPM overheats due to short circuit of hot discharge air flow IPM overheats due to defective of outdoor fan motor IPM overheats due to defective of internal circuitry of IPM IPM overheats due to defective IPM temperature sensor...

Страница 78: ...on of cooling and heating when compressor tank temperature data 103 C is detected by the compressor tank temperature sensor Malfunction Caused Refrigerant shortage refrigerant leakage 2 3 way valve closed Detection error due to faulty compressor tank temperature sensor Troubleshooting ...

Страница 79: ...Current Control is detected by checking the input current value being detected by current transformer CT with the compressor running Malfunction Caused Over current due to compressor failure Over current due to defective outdoor unit PCB Over current due to defective inverter main circuit electrolytic capacitor Over current due to excessive refrigerant Troubleshooting ...

Страница 80: ...t peak due to short circuit Troubleshooting Checking the power transistor Never touch any live parts for at least 10 minutes after turning off the circuit breaker If unavoidable necessary to touch a live part make sure the power transistor s supply voltage is below 50V using the tester For the UVW make measurement at the Faston terminal on the board of the relay connector Tester s negative termina...

Страница 81: ...tor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 16 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 16 1 1 To remove front grille Figure 1 16 1 2 To remove horizontal vane Figure 2 ...

Страница 82: ...FM CN STM1 CN TH CN DISP CN RMT RY PWR AC303 G301 AC304 RY PWR2 Figure 3 Figure 4 16 1 4 To remove discharge grille 10 Pull out to remove the drain hose from the discharge grille 11 Then pull the discharge grille downward gently to dismantle it Figure 5 ...

Страница 83: ...board then pull out the control board Figure 6 16 1 6 To remove cross flow fan and indoor fan motor 13 Remove the screw that holding the cross flow fan and fan motor axis Figure 7 15 Remove the bearing by pulling it out gently 14 Remove the screw from the evaporator Figure 8 ...

Страница 84: ... fan Reminder To reinstall the fan motor adjust the fan motor connector to 45 towards you before fixing control board 17 Remove the cross flow fan from the unit by pulling it to the left and downward Evaporator Figure 9 Reminder To reinstall the cross flow fan ensure cross flow fan is in line as shown in figure 10 Figure 10 ...

Страница 85: ...c controller be careful of electrostatic discharge 1 Remove the 3 screws of the Top Panel Fig 1 2 Remove the 6 screws of the Front Panel Fig 2 3 Remove the screw of the Terminal Board Cover 4 Remove the Top Cover of the Control Board by 4 hooks Fig 3 5 Remove the Control Board as follows Fig 4 Fig 5 Fig 6 ...

Страница 86: ...ul of electrostatic discharge 1 Remove the 5 screws of the Top Panel Fig 1 2 Remove the 8 screws of the Front Panel Fig 2 3 Remove the screw of the Terminal Board Cover 4 Remove the Top Cover of the Control Board by 4 hooks Fig 3 5 Remove the Control Board as follows Fig 4 Fig 5 Fig 6 ...

Страница 87: ...00 2948 1000 27 22 0 3691 2223 582 3536 2123 657 3802 2222 570 3538 2123 638 4397 2478 667 4047 2339 827 3669 1750 1013 15 7 2901 2619 656 2926 2657 657 2869 2601 656 3005 2772 580 3558 3064 660 3248 2896 803 2908 2746 975 23 18 4 3243 2112 601 3107 2059 662 3362 2177 571 3248 2111 605 3883 2418 661 3571 2254 812 3201 2114 993 13 3 2650 2539 627 2520 2456 692 2589 2492 669 2576 2438 675 2692 2557 ...

Страница 88: ...QKE CU RE12QKE Indoor C Outdoor WB C 15 7 2 7 12 DB TC IP TC IP TC IP TC IP TC IP 24 2379 1099 3290 1434 3647 1314 3702 1110 4074 1183 20 2449 1059 3300 1380 3700 1260 4000 1050 4237 1135 16 2287 1012 3329 1319 3740 1207 3894 993 4350 1075 17 2 3 CS RE15QKE CU RE15QKE Indoor C Outdoor WB C 15 7 2 7 12 DB TC IP TC IP TC IP TC IP TC IP 24 2992 1702 3888 1891 4616 1888 4871 1427 5361 1521 20 3080 164...

Страница 89: ...ced cooling at 16 C Hi fan Compressor frequency Rated for cooling operation Piping length 5m Voltage 230V 18 1 1 CS CU RE9QKE Outlet Air C Outlet Air C Outdoor Air Temperature C Low Pressure MPa Outdoor Air Temperature C Current A Outdoor Air Temperature C 1 00 1 50 2 00 2 50 3 00 3 50 4 00 12 16 20 24 28 32 36 40 44 48 0 80 0 85 0 90 0 95 1 00 1 05 1 10 1 15 1 20 1 25 1 30 12 16 20 24 28 32 36 40...

Страница 90: ...ure MPa Outdoor Air Temperature C Current A Outdoor Air Temperature C 2 00 2 40 2 80 3 20 3 60 4 00 4 40 4 80 5 20 12 16 20 24 28 32 36 40 44 48 0 60 0 70 0 80 0 90 1 00 1 10 1 20 1 30 12 16 20 24 28 32 36 40 44 48 12 00 13 00 14 00 15 00 16 00 17 00 18 00 12 16 20 24 28 32 36 40 44 48 ...

Страница 91: ...sure MPa Outdoor Air Temperature C Current A Outdoor Air Temperature C 1 50 2 50 3 50 4 50 5 50 6 50 7 50 12 16 20 24 28 32 36 40 44 48 0 60 0 70 0 80 0 90 1 00 1 10 12 16 20 24 28 32 36 40 44 48 12 00 12 50 13 00 13 50 14 00 14 50 15 00 15 50 16 00 16 50 12 16 20 24 28 32 36 40 44 48 ...

Страница 92: ...Compressor frequency Rated for Heating operation Piping length 5m Voltage 230V 18 2 1 CS CU RE9QKE Outlet Air C Outlet Air C Outdoor Air Temperature C High Pressure MPa Outdoor Air Temperature C Current A Outdoor Air Temperature C 1 50 2 00 2 50 3 00 3 50 4 00 4 50 20 15 10 5 0 5 10 15 1 00 1 50 2 00 2 50 3 00 3 50 20 15 10 5 0 5 10 15 10 15 20 25 30 35 40 45 20 15 10 5 0 5 10 15 ...

Страница 93: ...High Pressure MPa Outdoor Air Temperature C Current A Outdoor Air Temperature C 20 24 28 32 36 40 44 20 15 10 5 0 5 10 15 2 70 2 90 3 10 3 30 3 50 3 70 3 90 4 10 4 30 4 50 4 70 4 90 5 10 20 15 10 5 0 5 10 15 1 20 1 40 1 60 1 80 2 00 2 20 2 40 2 60 2 80 3 00 20 15 10 5 0 5 10 15 ...

Страница 94: ... Temperature C High Pressure MPa Outdoor Air Temperature C Current A Outdoor Air Temperature C 4 00 4 50 5 00 5 50 6 00 6 50 7 00 20 15 10 5 0 5 10 15 1 80 2 00 2 20 2 40 2 60 2 80 3 00 3 20 3 40 3 60 20 15 10 5 0 5 10 15 24 28 32 36 40 44 48 20 15 10 5 0 5 10 15 ...

Страница 95: ...S CU RE12QKE CS CU RE15QKE 0 92 0 94 0 96 0 98 1 00 1 02 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Cooling Capacity Correction Factor Heating Capacity Correction Factor Pipe Length m 0 90 0 92 0 94 0 96 0 98 1 00 1 02 1 04 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pipe Length m Note The graphs show the factor after added right amount of additional refrigerant ...

Страница 96: ... 36 33 45 62 57 58 59 60 61 I I I I I I I I I I O I 46 47 48 54 55 56 40 3 4 2 5 1 27 23 11 16 26 34 28 29 30 39 9 37 35 7 38 8 41 42 43 50 53 52 51 44 10 49 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Страница 97: ...3 28 FULCRUM 1 CWH621131 29 VERTICAL VANE 8 CWE241374 30 CONNECTING BAR 2 CWE261251 33 AIR SWING MOTOR 1 CWA981264 O 34 CAP DRAIN TRAY 1 CWH521259 35 HORIZONTAL VANE COMPLETE 1 CWE24C1385 36 REMOTE CONTROL COMPLETE 1 CWA75C4455 O 37 FRONT GRILLE COMPLETE 1 CWE11C5832 O 38 INTAKE GRILLE COMPLETE 1 CWE22C1896 39 GRILLE DOOR COMPLETE 1 CWE14C1090 40 AIR FILTER 2 CWD001279 O 41 SCREW FRONT GRILLE 2 XT...

Страница 98: ...RK 59 INSTALLATION INSTRUCTION 1 CWF616278 60 INSTALLATION INSTRUCTION 1 CWF616279 61 INSTALLATION INSTRUCTION 1 CWF616280 62 OPERATING INSTRUCTION 1 CWF569460 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Страница 99: ... 30 17 16 10 11 4 12 22 21 19 26 25 38 39 9 2 1 23A 43 42 23B 31 35 33 20 14 24 29 47 55 53 54 51 52 50 23C 41 13 8 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Страница 100: ...UND PROOF BOARD 1 CWH151172 23A SOUND PROOF MATERIAL 1 CWG302315 23B SOUND PROOF MATERIAL 1 CWG302316 23C SOUND PROOF MATERIAL 1 CWG302317 24 SENSOR CO COMP TEMP 1 CWA50C2205 O 25 CONTROL BOARD COVER TOP 1 CWH131264 26 ELECTRONIC CONTROLLER MAIN 1 CWA73C8415R O 27 TERMINAL BOARD ASSY 1 CWA28K1036J O 28 CABINET SIDE PLATE CO RIGHT 1 CWE04C1492 29 SENSOR CO AIR TEMP AND PIPE TEMP 1 CWA50C3080 O 30 C...

Страница 101: ...ART NAME DESCRIPTION QTY CU RE9QKE REMARK 54 SHOCK ABSORBER LEFT 1 CWG712970 55 C C CASE 1 CWG568357 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Страница 102: ...9 39 21 20 9 31 11 10 15 1 16 17 4 23A 23B 23C 22 2 3 8 7 5 30 12 24 29 41 13 6 47 46 48 49 50 25 14 43 42 45 Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Страница 103: ... CWH7080300J 22 SOUND PROOF BOARD 1 CWH151274 23A SOUND PROOF MATERIAL 1 CWG302317 23B SOUND PROOF MATERIAL 1 CWG302701 23C SOUND PROOF MATERIAL 1 CWG302726 24 SENSOR CO COMP TEMP 1 CWA50C2894 o 25 CONTROL BOARD COVER TOP 1 CWH131473 26 ELECTRONIC CONTROLLER MAIN 1 CWA73C8453R CWA73C8454R o 27 TERMINAL BOARD ASSY 1 CWA28K1036J o 28 CABINET SIDE PLATE CO RIGHT 1 CWE04C1493 29 SENSOR CO AIR TEMP AND...

Страница 104: ... CU RE12QKE CU RE15QKE REMARK 49 SHOCK ABSORBER LEFT 1 CWG713416 50 C C CASE 1 CWG566848 NOTE All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock PAPAMY Printed in Malaysia SB1213 0 ...

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