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Panasonic CS-RE9SKUA, Service Manual

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Panasonic CS-RE9SKUA Service Manual Download Page 16

16 

6. Refrigeration Cycle Diagram 

6.1 

CU-RE9SKUA  CU-RE12SKUA 

 

INDOOR

OUTDOOR

INTAKE

TEMP.

SENSOR

PIPE

TEMP.

SENSOR

INTAKE

TEMP.

SENSOR

PIPE

TEMP.

SENSOR

LIQUID

SIDE

2-WAY
VALVE

3-WAY
VALVE

GAS

SIDE

COOLING

HEAT EXCHANGER

(EVAPORATOR)

HEAT EXCHANGER

(CONDENSER)

HEATING

COMPRESSOR

COMPRESSOR

TEMP. SENSOR

4-WAY VALVE

STRAINER

EXPANSION

VALVE

DISCHARGE

MUFFLER

 

 

Summary of Contents for CS-RE9SKUA

Page 1: ...U RE24SKUA Destination USA Canada 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...

Page 2: ...Timer Control 55 13 10 Auto Restart Control 56 13 11 Indication Panel 56 14 Protection Control RE9SK and RE12SK 57 14 1 Protection Control For All Operations 57 14 2 Protection Control For Cooling Sof...

Page 3: ...be installed with Earth Leakage Circuit Breaker ELCB or Residual Current Device RCD Otherwise it may cause electrical shock and fire in case equipment breakdown or insulation breakdown 10 Do not use j...

Page 4: ...ned after a long period the flare may break and cause refrigerant gas leakage 4 Do not touch outdoor unit air inlet and aluminium fin It may cause injury 5 Select an installation location which is eas...

Page 5: ...Current A 4 6 4 2 4 5 4 0 Input Power W 200 950 1 50k 200 950 1 50k 200 910 1 71k 200 910 1 71k COP W W 6 00 3 38 2 76 6 00 3 38 2 76 6 00 3 86 2 79 6 00 3 86 2 79 Btu hW 20 50 11 45 9 40 20 50 11 45...

Page 6: ...O D mm inch 290 11 7 16 542 21 11 32 290 11 7 16 542 21 11 32 Width I D O D mm inch 870 34 9 32 780 30 23 32 870 34 9 32 780 30 23 32 Depth I D O D mm inch 214 8 7 16 289 11 13 32 214 8 7 16 289 11 1...

Page 7: ...60 8 16 60 8 16 Outdoor Operation Range Heating F C Maximum 75 2 24 64 4 18 75 2 24 64 4 18 Minimum 4 20 2 2 19 4 20 2 2 19 1 Cooling capacities are based on indoor temperature of 27 C DRY BULB 80 6 F...

Page 8: ...20 8 8 7 9 Input Power W 380 1 38k 1 75k 380 1 38k 1 75k 380 1 78k 2 45k 380 1 78k 2 45k COP W W 4 47 3 82 3 50 4 47 3 82 3 50 4 47 3 62 3 04 4 47 3 62 3 04 Btu hW 15 25 13 00 11 85 15 25 13 00 11 85...

Page 9: ...46 6 Dimension Height I D O D mm inch 290 11 7 16 695 27 3 8 290 11 7 16 695 27 3 8 Width I D O D mm inch 1070 42 5 32 875 34 15 32 1070 42 5 32 875 34 15 32 Depth I D O D mm inch 240 9 15 32 320 12 5...

Page 10: ...ge Heating F C Maximum 86 0 30 86 0 30 Minimum 60 8 16 60 8 16 Outdoor Operation Range Heating F C Maximum 75 0 24 64 4 18 75 0 24 64 4 18 Minimum 4 20 2 2 19 4 20 2 2 19 1 Cooling capacities are base...

Page 11: ...ng piping up to 100 feet 30 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 r...

Page 12: ...mote Control MODE POWERFUL QUIET TEMP 1 2 3 AIR SWING FAN SPEED SET CHECK CLOCK RESET AC RC FAN SPEED AIR SWING AUTO HEAT COOL DRY FAN TEMP OFF ON TIMER SET CANCEL ON OFF 1 2 3 CHE MODE POWERFUL QUIET...

Page 13: ...stallation plate Indoor unit external dimensions line 17 17 9 32 MODE POWERFUL QUIET TEMP 1 2 3 AIR SWING FAN SPEED SET CHECK CLOCK RESET AC RC FAN SPEED AIR SWING AUTO HEAT COOL DRY FAN TEMP OFF ON T...

Page 14: ...nit external dimensions line 20 15 16 21 7 32 9 15 32 11 7 16 2 13 32 1 49 64 9 15 32 1 39 64 2 13 32 16 9 64 4 17 32 4 29 32 2 11 32 42 5 32 2 11 32 Side View Side View Top View Front View Bottom Vie...

Page 15: ...High Pressure 3 way valve at Gas side Low Pressure Space necessary for installation Anchor Bolt Pitch 12 5 8 22 1 2 39 3 8 3 7 8 3 7 8 5 2 2 CU RE18SKUA CU RE24SKUA Space necessary for installation A...

Page 16: ...INTAKE TEMP SENSOR PIPE TEMP SENSOR INTAKE TEMP SENSOR PIPE TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER HEATING COMPRESSOR COMP...

Page 17: ...MP SENSOR 2 INTAKE TEMP SENSOR PIPE TEMP SENSOR LIQUID SIDE 2 WAY VALVE 3 WAY VALVE GAS SIDE COOLING HEAT EXCHANGER EVAPORATOR HEAT EXCHANGER CONDENSER HEATING COMPRESSOR COMPRESSOR DISC SENSOR 4 WAY...

Page 18: ...CS RE12SKUA CU RE12SKUA FUSE 301 RY AC PTC1 CT102 4 WAYS VALVE PTC NTC TH3 REACTOR IC19 RY PWR FUSE101 INDOOR UNIT OUTDOOR UNIT U TEMP FUSE POWER SUPPLY 1 208 230V 60Hz FUSE 104 FUSE 102 SC M 1 M S 3...

Page 19: ...INDOOR UNIT OUTDOOR UNIT M S 3 FUSE 301 FUSE3 U TEMP FUSE SINGLE PHASE POWER SUPPLY 1 208 230V 60Hz FUSE2 FUSE1 DB2 DB1 DB3 Q1 P N U V W NTC CR3 TH1 NTC TH2 SC M 1 3 REACTOR L1 L2 1 2 RY PWR RY AC PTC...

Page 20: ...USE 102 C 3A TO OUTDOOR UNIT TERMINAL BOARD R Y G G AUTO SW SW01 ELECTRONIC CONTROLLER MAIN CN FM WHT MOTOR 5 6 7 1 4 BL W B Y R REMOTE CONTROLLER ELECTRONIC CONTROLLER DISPLAY RECEIVER CN STM1 WHT CN...

Page 21: ...G AUTO SW SW01 ELECTRONIC CONTROLLER MAIN CN FM WHT MOTOR 5 6 7 1 4 BL W B Y R REMOTE CONTROLLER ELECTRONIC CONTROLLER DISPLAY RECEIVER CN STM1 WHT CN RMT WHT 4 1 1 BR R O Y P 5 1 5 6 1 M CN TH RED PI...

Page 22: ...T P N SWITCHING POWER SUPPLY CIRCUIT FUSE102 T3 15A L250V FUSE101 20A 250V 3 RED 2 WHT 1 BLK RED WHT BLK COMMUNICATION CIRCUIT PFC CIRCUIT W U V FAN MOTOR ELECTRONIC CONTROLLER MS 3 FUSE104 15A 250V N...

Page 23: ...HT t ELECTRO MAGNETIC COIL 4 WAYS VALVE 1 3 CN HOT BLU FUSE2 T3 15A L250V Q10 FUSE1 T2 5A L250V FUSE3 20A 250V FAN MOTOR ELECTRONIC CONTROLLER ELECTRO MAGNETIC COIL EXPANSION VALVE CN EV WHT 1 6 M 7 1...

Page 24: ...7 C3 0 1 16V R75 5V 5V REMOTE CONTROLLER 11 10 9 8 7 6 5 4 3 2 1 ELECTRONIC CONTROLLER DISPLAY RECEIVER LED201 GREEN ORANGE ORANGE ORANGE POWER TIMER POWERFUL QUIET LED202 1 2 3 Vout Vcc GND GND GND 5...

Page 25: ...V R63 C28 6 5 1 2 3 4 C25 1 16V R62 15 0k 1 C27 1 16V R61 20 0k 1 CN TH RED t t t PIPING TEMP SENSOR 2 THERMISTOR PIPING TEMP SENSOR 1 THERMISTOR SUCTION TEMP SENSOR THERMISTOR UP DOWN LOUVER MOTOR BR...

Page 26: ...20A 250V PFC CIRCUIT W U V ELECTRONIC CONTROLLER MS 3 FUSE104 15A 250V NOISE FILTER CIRCUIT RECTIFICATION CIRCUIT RECTIFICATION CIRCUIT M TANK TEMP SENSOR 50k 3950 1 3 CN TANK WHITE 5V G8 R1 4 99k 1 G...

Page 27: ...U V W P N RECTIFICATION CIRCUIT PFC CIRCUIT RY HOT COMPRESSOR RED BLU YLW RED BLU YLW MS 3 COMP TEMP SENSOR THERMISTOR 50k 3950 1 3 CN TANK 5V R410 4 99k C49 1 10V ELECTRO MAGNETIC COIL EXPANSION VAL...

Page 28: ...cuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board CN RMT CN FM CN STM2 RE18 24SKUA only CN STM1 CN MSENS CN TH JP1 Random Auto Restart enable disable CN DISP 10 1 2 Indicator Printed Circu...

Page 29: ...29 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board 10 2 1 1 CU RE9SKUA CU RE12SKUA CN HOT CN STM CN TH CN MTR1 CN MTR2 CN TANK AC BLK DATA AC WHT POWER TRANSISTOR IPM CURRENT TRANSFORMER CT...

Page 30: ...30 10 2 1 2 CU RE18SKUA CU RE24SKUA CN TANK CN EV CN DCFM CN HOT COM3 AC BLK AC WHT CN TH1 POWER TRANSISTOR IPM CURRENT TRANSFORMER CT...

Page 31: ...rigerant Piping Length for add gas Gas Liquid RE9SKUA 9000 3 8 9 52 mm 1 4 7 5 mm 24 6 ft 7 5 m 49 2 ft 15 m 9 8 ft 3 m 49 2 ft 15 m 0 2 oz ft 20 g m 24 6 ft 7 5 m RE12SKUA 12000 1 2 9 52 mm Example F...

Page 32: ...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 t...

Page 33: ...Step 7 Insulate and nish the piping Please refer to Insulation of piping connection column as mentioned in indoor outdoor unit installation Step 8 Secure the Indoor Unit Right Rear piping Insert the c...

Page 34: ...e than 27 9 16 700 mm How to insert the connection cable and drain hose in the case of left piping Cable 45 Drain hose Piping Drain hose from main unit For right piping follow the same procedure Sleev...

Page 35: ...rth lead wire shall be Yellow Green Y G in colour and shall be longer than other lead wires as shown in the figure for electrical safety in case of the slipping Chassis Conduit Connector Conduit Cover...

Page 36: ...lease make flare after inserting the flare nut onto the copper pipes 1 To cut Improper aring Inclined Surface damaged Cracked Uneven thickness 3 To flare Bar Red arrow mark Handle Core Yoke Clamp hand...

Page 37: ...n the flare nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 11 3 2 2 Connecting the piping to outdoor Decide piping length and then cut by...

Page 38: ...e of the charging set and turn off the vacuum pump 5 Disconnect the vacuum pump house from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 13 3 Ib...

Page 39: ...oor unit and outdoor unit and power supply cord are installed in individual conduit Power Supply Single Phase 208 230V 60Hz min AWG14 208 230V min AWG16 208 230V min AWG16 208 230V min AWG16 9 Secure...

Page 40: ...nt Piping Length for add gas Gas Liquid RE18SKUA 17200 1 2 12 7 mm 1 4 6 35 mm 24 6 ft 7 5 m 49 2 ft 15 m 9 8 ft 3 m 65 6 ft 20 m 0 2 oz ft 20 g m 24 6 ft 7 5 m RE24SKUA 22000 5 8 15 88 mm Example For...

Page 41: ...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...

Page 42: ...p 6 Connect the piping Step 7 Insulate and nish the piping Please refer to Piping and finishing column of outdoor section and Insulation of piping connection column Step 8 Secure the Indoor Unit Right...

Page 43: ...ore than 27 9 16 700 mm In case of left piping how to insert the connection cable and drain hole Cable 45 Drain hose Piping Drain hose from main unit For the right piping follow the same procedure Sle...

Page 44: ...th lead wire shall be Yellow Green Y G in colour and shall be longer than other lead wires as shown in the figure for electrical safety in case of the slipping Chassis Conduit Connector Conduit Cover...

Page 45: ...lease make flare after inserting the flare nut onto the copper pipes 1 To cut Improper aring Inclined Surface damaged Cracked Uneven thickness 3 To flare Bar Red arrow mark Handle Core Yoke Clamp hand...

Page 46: ...are nut with fingers Further tighten the flare nut with torque wrench in specified torque as stated in the table 12 3 2 2 Connecting the piping to outdoor Decide piping length and then cut by using pi...

Page 47: ...e of the charging set and turn off the vacuum pump 5 Disconnect the vacuum pump house from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at a torque of 13 3 Ib...

Page 48: ...nt Panel Connecting wires Control Board Cover Resin Connectors Particular Plate Particular Plate Opening hole Plugs Outdoor Unit 1 2 3 1 2 L1 L2 3 Terminal Terminal Indoor Unit Disconnect Switch Field...

Page 49: ...entioned 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 ma...

Page 50: ...setting temperature and it is updated continuously whenever the electrical power is supplied to the unit Remote Control Setting Temperature 60 8 F 86 F Setting Temperature Limit Checking Min 60 8 F M...

Page 51: ...mode otherwise COOL mode is decided o If 3 6 F indoor intake temperature remote control setting temperature 5 4 F maintain with previous mode o If indoor intake temperature remote control setting temp...

Page 52: ...dor prevention Heating o According to indoor pipe temperature automatic heating fan speed is determined as follows RPM Increased RPM Maintain RPM Reduced OFF Indoor Pipe Temp 95o C 102 2o F 60 8o F 66...

Page 53: ...C 32 Manual 20 32 45 57 68 Cooling Auto 20 45 Manual 20 26 32 37 45 Soft Dry Auto Anti Dew Control 20 45 Manual Anti Dew Control 20 26 32 37 45 Automatic vertical airflow direction can be set using re...

Page 54: ...rpose o To provide quiet cooling operation compare to normal operation Control condition o Quiet operation start condition When Quiet button at remote control is pressed Quiet LED illuminates o Quiet...

Page 55: ...eed manual Manual fan speed for quiet operation is 1 step from setting fan speed 13 8 Powerful Mode Operation When the powerful mode is selected the internal setting temperature will shift lower up to...

Page 56: ...f control is not applicable during ON OFF Timer setting 13 11 Indication Panel LED POWER TIMER QUIET POWERFUL Color Green Orange Orange Orange Light ON Operation ON Timer Setting ON Quiet Mode ON Powe...

Page 57: ...t exceed X value for 5 seconds the frequency instructed will be increased However if total outdoor unit running current exceeds Y value compressor will be stopped immediately for 3 minutes Model RE9SK...

Page 58: ...between 0 64A and 0 85A o During Cooling and Soft Dry operations Indoor suction temperature indoor piping temperature is below 7 2 F o During Heating operations Indoor piping temperature indoor suctio...

Page 59: ...he compressor stops 4 times in 20 minutes Timer LED blinks F95 indicated Outdoor high pressure rise protection 14 2 3 Freeze Prevention Control 1 When indoor heat exchanger temperature is lower than 3...

Page 60: ...Fan speed will be increased slowly when control is activated until predetermine value Compressor frequency will be regulated accordingly 14 2 6 Protection Control For Heating Operation 14 2 6 1 Intake...

Page 61: ...n heating operation if the outdoor temperature falls below 14 F when compressor starts the compressor frequency will be regulated up to 600 seconds 14 2 6 5 Cold Draught Prevention Control When indoor...

Page 62: ...will be decreased If the running current does not exceed X value for 5 seconds the frequency instructed will be increased However if total outdoor unit running current exceeds Y value compressor will...

Page 63: ...During Heating operations Indoor piping temperature indoor suction is under 41 0 F 15 1 7 Low Frequency Protection Control 1 When the compressor operates at frequency lower than 25Hz continued for 240...

Page 64: ...higher than 55 4 F for 5 minutes the fan speed will return to its normal operation 15 2 4 Freeze Prevention Control 2 Control start conditions o During Cooling operation and soft dry operation During...

Page 65: ...exchanger temperature as shown below If the heat exchanger temperature exceeds 140 0 F compressor will stop OFF Frequency Reduced Frequency Limited Free 140 0 F 114 8 F 125 6 F 120 2 F 15 2 6 4 Low T...

Page 66: ...ling Operation Test Run Operation Forced Heating Operation Main unit always continue Test Run forced cooling operation Beep Beep x 2 Press AC RESET Press AC RESET then any key at remote control Press...

Page 67: ...will be heard Cool Only mode is now disable 16 2 2 Operation mode during Cooling Only Operation The table below shows the operation mode comparison when cooling only operation mode activated and deac...

Page 68: ...and restore the remote control setting to factory default o Press once to clear the memory 16 3 3 RESET AC To restore the unit s setting to factory default o Press once to restore the unit s setting...

Page 69: ...r preventing heat radiation Measuring electric current during operation Measuring gas side pressure Excessive amount of refrigerant Inefficient compressor Insufficient refrigerant Insufficient refrige...

Page 70: ...operating Low Pressure High Pressure Electric current during operating Condition of the air conditioner Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the ind...

Page 71: ...ton on the remote control 3 will be displayed on the remote control display Note Display only for No signal transmission no receiving sound and no Power LED blinking 4 Press the TIMER or button on the...

Page 72: ...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...

Page 73: ...ppen within 10 minutes Power factor correction circuit abnormal Outdoor PCB faulty H99 Indoor operating unit freeze protection Indoor freeze protection Cooling Check indoor heat exchanger Air filter d...

Page 74: ...and outdoor units Indoor unit outdoor unit signal transmission error due to disturbed power supply waveform Troubleshooting Check the indoor outdoor units connection wires Is there any wiring error D...

Page 75: ...he indoor and outdoor units Troubleshooting Check the indoor and outdoor unit connection wires Check indoor and outdoor units model number Is indoor unit and outdoor unit model numbers matched Check t...

Page 76: ...component breakdown always switch off the power before remove and connect the component Connector poor contact Correct the connection Defect in indoor unit PCB Replace the indoor unit PCB Defect in i...

Page 77: ...orrect the connection Defect in outdoor compressor temperature sensor Replace the outdoor compressor temperature sensor Defect in outdoor unit PCB Replace the outdoor unit PCB Turn off the power Check...

Page 78: ...he power before remove and connect the component When abnormality indication starts again Check for gas leaking source Repair or replace defected part s Capillary tube expansion valve blockage Replace...

Page 79: ...d When abnormality indication starts again Replace fan motor Does fan rotate smoothly Turn power supply on and operate fan Does it rotate Stop fan motor Check the rotation feedback output from fan mot...

Page 80: ...outdoor unit PCB Replace the outdoor unit PCB Defect in outdoor intake air temperature sensor Replace the outdoor intake air temperature sensor NO NO YES YES 0 10 14 50 68 86 104 122 32 20 30 40 50 60...

Page 81: ...When abnormality indication starts again For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Turn off the power Check the connecto...

Page 82: ...afety reason and to prevent component breakdown always switch off the power before remove and connect the component No No YES YES Check the outdoor heat exchanger temperature sensor Plug out connector...

Page 83: ...ore remove and connect the component Is the measured resistance of the outdoor discharge pipe temperature sensor matches the value specified in its characteristic chart Is the connector connection nor...

Page 84: ...efore remove and connect the component Is the measured resistance of the outdoor heat exchanger temperature sensor matches the value specified in its characteristic chart Is the connector connection n...

Page 85: ...ve Troubleshooting When abnormality indication starts again For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Check indoor and ou...

Page 86: ...connector connection normal When abnormality indication starts again For safety reason and to prevent component breakdown always switch off the power before remove and connect the component NO NO YES...

Page 87: ...rt Is the connector connection normal When abnormality indication starts again For safety reason and to prevent component breakdown always switch off the power before remove and connect the component...

Page 88: ...ality indication starts again For safety reason and to prevent component breakdown always switch off the power before remove and connect the component NO YES YES Check if the feedback signal of human...

Page 89: ...ponent breakdown always switch off the power before remove and connect the component NO YES YES Check if the feedback signal of sunlight sensor pin 11 and 13 is normal Depends on indoor light intensit...

Page 90: ...ly Turn off power supply and rotate fan by hand Does it rotate CN MTR2 WHT IC19 3 5 1 10 14 16 W U V FAN MOTOR MS CN MTR1 PCB BOARD 5 4 3 2 1 C173 5V R105 1k C176 0 01 50V G5 R111 1k C177 0 01 50V G5...

Page 91: ...normality indication starts again Replace fan motor Does fan rotate smoothly Turn power supply on and operate fan Does it rotate Stop fan motor Check the rotation feedback output from fan motor Rotate...

Page 92: ...aracteristic chart Check the indoor unit intake air filter When abnormality indication starts again For safety reason and to prevent component breakdown always switch off the power before remove and c...

Page 93: ...power before remove and connect the component Is there any short circuit YES YES YES YES YES YES YES NO NO Check the indoor unit air filter Is the air filter dirty Is the indoor unit heat exchanger di...

Page 94: ...ctor CN TH from the indoor unit PCB Measure the resisitance of the indoor heat exchanger temperature thermistor Defect in indoor pipe temperature thermistor Replace the indoor pipe temperature thermis...

Page 95: ...sensor Faulty expansion valve Troubleshooting When F17 indication happens For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Chec...

Page 96: ...bnormality by measuring DC voltage between DCP and DCN at the capacitor PCB Is the DC voltage between DCP and DCN normal Check the reactor impedance Is the impedence of the reactor low Is the DC volta...

Page 97: ...en F91 indication happens For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Open 3 way valve NO closed NO gas amount is OK Check...

Page 98: ...r connection at outdoor PCB and compressor terminal NO From the disconnected harnesses U V and W correct them to the inverter checker Turn ON the power and operate the system Check the inverter checke...

Page 99: ...Is the outdoor fan motor operating Check the outdoor unit installation condition during cooling or soft dry operation Is the measured resistance of the outdoor heat exchanger thermistor matches the v...

Page 100: ...M 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 Multi Models Only o Compressor OL co...

Page 101: ...er before remove and connect the component Replace the compressor tank temperature sensor Repair the pipe flare or union nuts Reclaim and recharge refrigerant Open the 2 3 way valve Procedure complete...

Page 102: ...hooting For safety reason and to prevent component breakdown always switch off the power before remove and connect the component Replace the outdoor unit PCB Repair the pipe flare or union nuts Reclai...

Page 103: ...ant Replace the outdoor unit PCB Compressor defective due to mechanical locked Replace compressor Compressor defective due to winding shorted Replace compressor Amplification IC defect Diode defect De...

Page 104: ...shocks 18 1 CS RE9SKUA CS RE12SKUA 18 1 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 18 1 1 1 To Remove Front Grille 3 Hold both sides of the front grille an...

Page 105: ...ard complete and earth wire 6 Detach the CN DISP connector then remove the indicator complete 5 Detach the Earth wire screw 9 Detach connectors as labeled from CN RMT CN FM CN STM1 CN MSENS CN TH CN D...

Page 106: ...board then pull out the control board Figure 6 18 1 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 bea...

Page 107: ...and downward Cross flow fan Evaporator Reminder To reinstall the fan motor adjust the fan motor connector 45 towards you before fixing control board 16 Push the holdfast to the left and liftup the ev...

Page 108: ...d sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 18 2 CS RE18SKUA CS RE24SKUA 18 2 1 Indoor Electronic Controllers Cross Flow Fan and Indoor...

Page 109: ...109 CN RMT CN FM CN STM1 CN STM2 CN MSENS CN TH CN DISP Figure 13 Figure 14 18 2 1 3 To Remove Discharge Grille Figure 15...

Page 110: ...110 18 2 1 4 To Remove Control Board Figure 16 18 2 1 5 To Remove Cross Flow Fan and Indoor Fan Motor Figure 17 Figure 18...

Page 111: ...111 Figure 19 Figure 20...

Page 112: ...ews 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 Hooks Top Cover Hooks Terminal Board Cover Screw Control Board Fig 3 5 Remov...

Page 113: ...emove the 8 screws of the Front Panel Screws Fig 2 3 Remove the Top Cover of the Electronic Controller Top Cover Hooks Fig 3 4 Remove the Control Board Release 8 connectors Release 7 terminal connecto...

Page 114: ...18 64 4 3010 1951 589 2920 1861 789 2836 2042 999 2176 1561 1031 20 68 13 55 4 2264 2241 322 2276 2253 664 2540 2515 1017 1550 1706 801 16 60 8 2569 1826 567 2610 1827 813 2582 1960 1007 1940 1528 10...

Page 115: ...79 4572 1280 5921 3875 1699 5152 2063 1751 3833 3174 1731 19 1 4 CS RE24SKUA CU RE24SKUA Indoor C F Outdoor C F DB WB 20 4 10 14 0 32 5 41 TC SHC IP TC SHC IP TC SHC IP TC SHC IP 27 80 6 19 66 2 7947...

Page 116: ...0 68 1444 1476 2872 1499 3513 1631 4770 1710 4859 1700 5434 1588 16 60 8 1185 1438 2947 1484 3783 1645 5119 1755 5151 1671 5301 1561 19 2 3 CS RE18SKUA CU RE18SKUA Indoor C F Outdoor C F DB 20 4 8 3 1...

Page 117: ...68 2495 1797 860 2156 1374 1031 20 68 13 55 4 2061 2040 261 2042 2022 596 2236 2213 874 1516 1501 800 16 60 8 2363 1679 501 2455 1719 786 2272 1725 866 1920 1344 1055 20 2 CS RE12SKUA CU RE12SKUA Rate...

Page 118: ...79 4572 1280 5593 3985 1619 4751 1973 1582 3666 3036 1718 20 4 CS RE24SKUA CU RE24SKUA Rated frequency compressor speed is fixed during forced cooling for capacity measurement and diagnosis purpose In...

Page 119: ...16 60 8 1085 584 2797 832 3583 907 3767 934 3796 897 4059 870 20 7 CS RE18SKUA CU RE18SKUA Rated frequency compressor speed is fixed during forced heating for capacity measurement and diagnosis purpo...

Page 120: ...Temperature F Outlet Air F 4 3 10 17 24 31 38 45 52 59 66 73 80 87 94 101 108 115 59 400 59 900 60 400 60 900 61 400 61 900 62 400 62 900 63 400 63 900 64 400 64 900 208V 230V Outdoor Air Temperature...

Page 121: ...000 60 500 61 000 61 500 62 000 208V 230V Outdoor Air Temperature F Current A 208V 230V 3 100 3 820 4 540 5 260 5 980 6 700 4 3 10 17 24 31 38 45 52 59 66 73 80 87 94 101 108 115 Outdoor Air Temperat...

Page 122: ...700 62 900 64 100 65 300 66 500 208V 230V Outdoor Air Temperature F Current A 208V 230V 4 200 4 760 5 320 5 880 6 440 7 000 4 3 10 17 24 31 38 45 52 59 66 73 80 87 94 101 108 115 Outdoor Air Temperat...

Page 123: ...500 62 000 63 500 65 000 66 500 208V 230V Outdoor Air Temperature F Current A 208V 230V 6 800 7 780 8 760 9 740 10 720 11 700 4 3 10 17 24 31 38 45 52 59 66 73 80 87 94 101 108 115 Outdoor Air Tempera...

Page 124: ...CU RE9SKUA Outdoor Air Temperature F Outlet Air F 77 500 79 500 81 500 83 500 85 500 87 500 89 500 91 500 93 500 95 500 97 500 99 500 4 2 8 14 20 26 32 38 44 50 56 62 68 75 208V 230V Outdoor Air Tempe...

Page 125: ...88 000 90 000 92 000 94 000 96 000 98 000 208V 230V Outdoor Air Temperature F Current A 208V 230V 3 000 3 320 3 640 3 960 4 280 4 600 4 2 8 14 20 26 32 38 44 50 56 62 68 75 Outdoor Air Temperature F G...

Page 126: ...91 500 93 000 94 500 96 000 97 500 99 000 208V 230V Outdoor Air Temperature F Current A 208V 230V 4 900 5 320 5 740 6 160 6 580 7 000 4 2 8 14 20 26 32 38 44 50 56 62 68 75 Outdoor Air Temperature F G...

Page 127: ...000 99 500 101 000 102 500 104 000 105 500 208V 230V Outdoor Air Temperature F Current A 208V 230V 6 200 6 760 7 320 7 880 8 440 9 000 4 2 8 14 20 26 32 38 44 50 56 62 68 75 Outdoor Air Temperature F...

Page 128: ...5 Cooling Correction Factor Pipe Length m ft Piping length Capacity kW 3 9 8 1 0334 5 16 4 1 0213 7 5 24 6 1 0000 10 32 8 0 9855 15 49 2 0 9629 20 11 1 2 Heating Capacity Heating Correction Factor 0...

Page 129: ...ity kW 3 9 8 1 0222 7 5 24 6 1 0000 10 32 8 0 9950 15 49 2 0 9861 20 65 6 0 9807 20 11 2 2 Heating Capacity Heating Correction Factor 0 95 0 96 0 97 0 98 0 99 1 00 1 01 1 02 Pipe Length m ft 2 6 6 3 9...

Page 130: ...I I I I O I CWH55025J CWH55051J 12 24 15 36 55 33 45 46 47 48 40 44 3 4 2 5 1 27 23 11 16 26 34 28 29 30 39 9 37 35 10 7 38 8 41 42 43 13 14 6 25 Note The above exploded view is for the purpose of pa...

Page 131: ...BOARD FRONT COVER CO 1 CWH13C1333 26 DISCHARGE GRILLE COMPLETE 1 CWE20C3495 27 BACK COVER CHASSIS 1 CWD933233B 28 FULCRUM 1 CWH621131 29 VERTICAL VANE 8 CWE241374 30 CONNECTING BAR R 2 CWE261251 33 A...

Page 132: ...I 35 30 31 29 34 25 13 16 6 1 40 3 4 5 8 37 38 39 27 44 10 23 11 12 24 43 15 46 47 48 32 36 26 33 41 42 45 9 7 2 14 55 Note The above exploded view is for the purpose of parts disassembly and replace...

Page 133: ...E GRILLE COMPLETE 1 CWE20C3496 27 BACK COVER CHASSIS 1 CWD933031B 28 FULCRUM 2 CWH621138 29 VERTICAL VANE 11 CWE241374 30 CONNECTING BAR R 1 CWE261257 31 CONNECTING BAR L 1 CWE261258 32 AIR SWING MOTO...

Page 134: ...23 19 4 20 5 26 15 18 8 9 10 1 36 17 22 16 32 33 14 2 11 29 6 7 21 30 3 31 28 37 39 43 12 34 42 44 13 41 38 50 Note The above exploded view is for the purpose of parts disassembly and replacement The...

Page 135: ...02656 21 SOUND PROOF MATERIAL BODY 1 CWG302948 22 SENSOR CO COMP TEMP 1 CWA50C2340 O 23 CONTROL BOARD COVER TOP 1 CWH131264 24 ELECTRONIC CONTROLLER MAIN 1 ACXA73C04490R ACXA73C04500R O 26 TERMINAL BO...

Page 136: ...47 10 59 11 45 9 1 60 22 7 4 42 2 58 70 5 31 30 8 25 48 49 x 2 x 2 20 19 64 62 14 28 15 27 43 18 33 40 38 63 Note The above exploded view is for the purpose of parts disassembly and replacement The n...

Page 137: ...9A 24 NUT TERMINAL COVER 1 CWH7080300J 25 SENSOR CO COMP TEMP 1 CWA50C2343 O 27 V COIL COMPLETE 4 WAY VALVE 1 CWA43C2392 O 28 V COIL COMPLETE EXP VALVE 1 ACXA43C00320 O 30 SENSOR CO AIR TEMP AND PIPE...

Page 138: ...Y CU RE18SKUA CU RE24SKUA REMARK 67 STRAINER 1 CWB111076 70 BAG COMPLETE L TUBE 1 CWG87C900 Note All parts are supplied from PAPAMY Malaysia Vendor Code 00029488 O marked parts are recommended to be k...

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