Panasonic CS-PS9JKT Service Manual Download

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14.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched)

Malfunction Decision Conditions

•

During startup, error code appears when different types of indoor and outdoor units 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

When abnormality indication starts again

Is there any wiring error?

YES

Matched compatibility?

Correct the indoor-outdoor unit’s connection wires

Check the indoor and outdoor unit connection wires

Check the spare part numbers of the indoor and outdoor unit
PCBs and compare with their Part Lists

Change for the specified indoor or outdoor unit
PCB

Replace the indoor and outdoor unit PCBs

YES

For safety reason and to prevent
component breakdown, always switch
off the power before remove and
connect the component.

Is indoor unit and outdoor unit model numbers matched?

Match the compatible model(s)

YES

Check indoor and outdoor units model number.

Summary of Contents for CS-PS9JKT

Page 1: ...KT 12 7 Wiring Connection Diagram 13 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...

Page 2: ...ention Control35 12 5 Low Pressure Prevention Control Gas Leakage Detection 36 12 6 Compressor Tank Temperature Rise Protection Control 36 12 7 Low Frequency Protection Control 1 36 12 8 Low Frequency...

Page 3: ...rical shock or fire 9 This equipment is strongly recommended to install with Earth Leakage Circuit Breaker ELCB or Residual Current Device RCD Otherwise it may cause electrical shock and fire in case...

Page 4: ...nt 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...

Page 5: ...G20K1 Motor Type Induction 4 poles Induction 4 poles Input Power W 42 3 48 8 42 3 48 8 Output Power W 22 22 Lo rpm 710 750 Me rpm 840 900 Indoor Fan Speed Hi rpm 980 1060 Type Propeller Propeller Mate...

Page 6: ...25 4 Fin Material Aluminium Blue coated Aluminium Blue coated Fin Type Slit Fin Louver Fin Row x Stage x FPI 2 x 23 x 17 1 x 20 x 19 Outdoor Heat Exchanger Size W x H x L mm 25 4 x 483 0 x 553 4 573 4...

Page 7: ...7 3 Location of Controls and Components 3 1 Indoor Unit 3 2 Outdoor Unit 3 3 Remote Control...

Page 8: ...8 4 Dimensions 4 1 Indoor Unit...

Page 9: ...ecessary for installation Anchor Bolt Pitch 261 x 474 Top View Front View 18 650 88 474 88 79 134 261 293 736 18 70 131 510 12 15 230 Side View Side View 3 way valve at Gas side Low Pressure 2 way val...

Page 10: ...10 5 Refrigeration Cycle Diagram...

Page 11: ...11 6 Block Diagram 6 1 CS PS9JKT CU PS9JKT...

Page 12: ...12 6 2 CS PS12JKT CU PS12JKT...

Page 13: ...13 7 Wiring Connection Diagram 7 1 Indoor Unit...

Page 14: ...14 7 2 Outdoor Unit 7 2 1 CU PS9JKT...

Page 15: ...15 7 2 2 CU PS12JKT...

Page 16: ...16 8 Electronic Circuit Diagram 8 1 Indoor Unit...

Page 17: ...17 8 2 Outdoor Unit 8 2 1 CU PS9JKT...

Page 18: ...18 8 2 2 CU PS12JKT...

Page 19: ...19 9 Printed Circuit Board 9 1 Indoor Unit 9 1 1 Main Printed Circuit Board CN DATA1 CN FB CN TH CN STM1 SW01 CN DISP...

Page 20: ...20 9 1 2 Power Printed Circuit Board 9 1 3 Indicator Printed Circuit Board CN DISP AC303 RY PWR CN PCFM AC301 AC304 CN DATA1...

Page 21: ...21 9 2 Outdoor Unit 9 3 Main Printed Circuit Board 9 3 1 CU PS9JKT...

Page 22: ...22...

Page 23: ...23 9 3 2 CU PS12JKT...

Page 24: ...he unit in excessive oil fume area such as kitchen workshop and etc There should not be any heat source or steam near the unit There should not be any obstacles blocking the air circulation A place wh...

Page 25: ...t 6 from this line 1 Mount the installation plate on the wall with 5 screws or more at least 5 screws If mounting the unit on the wall consider using anchor bolts o Always mount the installation plate...

Page 26: ...installation plate until hooks engages with their slot sound click Unit s hoo k Insert the connecting cable To take out the unit push the marking at the bottom unit and pull it slightly towards you to...

Page 27: ...2 3 3 For the embedded piping This can be used for left rear piping left bottom piping also Replace the drain hose Bend the embedded piping Install the Indoor Unit Cut and flare the embedded piping Pu...

Page 28: ...e indoor and outdoor cable connection onto the control board with the holder 7 Close grille door by tighten with screw and close the front panel This unit must be properly earthed Ensure the color of...

Page 29: ...nnecting the Piping 10 3 2 1 Connecting the piping to indoor unit Please make flare after inserting flare nut locate at joint portion of tube assembly onto the copper pipe In case of using long piping...

Page 30: ...does not move from 0cmHg 0Mpa to 76cmHg 0 1Mpa in step 3 above take the following measure If the leak stops when the piping connections are tightened further continue working from step 3 If the leak...

Page 31: ...Operation 11 1 2 1 Thermostat control Compressor is OFF when intake Air Temperature Internal Setting Temperature 0 5 C Compressor is ON after waiting for 3 minutes if the Intake Temperature Internal S...

Page 32: ...ately after the fan motor is started feedback control is performed once every second o During fan motor on if fan motor feedback 2550 rpm or 50 rpm continuously for 10 seconds the fan motor error coun...

Page 33: ...e control the angles of the vane are as stated above and the positions of the vane are as figure below When the air conditioner is stopped using remote control the vane will shift to close position 11...

Page 34: ...ncelled 11 6 Random Auto Restart Control When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes There are 10 patterns to b...

Page 35: ...compressor operation 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...

Page 36: ...s 30 5 C Remote Control setting 16 C and Hi Fan Speed Control contents o Compressor stops and restart after 3 minutes o If the conditions above happened 2 times within 20 minutes the unit will Stop op...

Page 37: ...re is higher than 13 C for 5 minutes the fan speed will return to its normal operation 12 12 Freeze Prevention Control 2 Control start conditions o During Cooling operation and soft dry operation Duri...

Page 38: ...d be selected The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal interference when there are 2 or more units installed nea...

Page 39: ...of transmission code change 13 2 2 CLOCK Button To change the remote control time format o Press for more than 5 seconds 13 2 3 RESET RC Button To clear and restore the remote control setting to facto...

Page 40: ...Mpa kg cm 2 G Outlet air Temperature C Cooling Mode 0 9 1 2 9 12 12 16 Condition Indoor fan speed High Outdoor temperature 35 C at cooling mode Compressor operate at rated frequency Different in the i...

Page 41: ...w 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 out...

Page 42: ...2 3 To Display Memorized Error Code Protective Operation 1 Turn power on 2 Press the CHECK button on the remote control 3 will be displayed on the remote control display Note Display only for No sign...

Page 43: ...irculation short circuit H99 Indoor heat exchanger freeze prevention protection Insufficient refrigerant Air filter dirty F11 4 way valve switching failure 4 occurrences within 30 minutes 4 way valve...

Page 44: ...oor and outdoor units Indoor unit outdoor unit signal transmission error due to disturbed power supply waveform Troubleshooting When abnormality indication starts again Is there any wiring error Corre...

Page 45: ...he indoor and outdoor units Troubleshooting When abnormality indication starts again Is there any wiring error YES Matched compatibility Correct the indoor outdoor unit s connection wires Check the in...

Page 46: ...Check the indoor intake air temperature sensor Plug out connector from the indoor unit PCB Measure the resistance of the indoor intake air temperature sensor For safety reason and to prevent componen...

Page 47: ...mpressor temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor compressor temperature sensor For safety reason and to prevent component breakdown always...

Page 48: ...sion Troubleshooting When abnormality indication starts again Check the functionality of current transformer CT Replace Compressor due to compressor low compression Is the CT open circuit Force heatin...

Page 49: ...rn off power supply and rotate fan by hand Replace fan motor Does fan rotate smoothly Turn power supply on and operate fan Replace indoor PCB Replace fan motor For safety reason and to prevent compone...

Page 50: ...ature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor intake air temperature sensor Defect in outdoor intake air temperature sensor Replace the outdoor intake...

Page 51: ...starts again Turn off the power and reconnect CN CLN connector Turn on the power and measure again the DC voltage between CN CLN channel 4 2 Is the voltage measured at 5Vdc Defect in indoor unit e ion...

Page 52: ...starts again Check the outdoor air temperature sensor Plug out connector from the outdoor unit PCB Measure the resistance of the outdoor air temperature sensor Is the measured resistance of the outdoo...

Page 53: ...er temperature sensor matches the value specified in its characteristic chart YES When abnormality indication starts again Check the outdoor heat exchanger temperature sensor Plug out connector from t...

Page 54: ...installation Has the indoor and outdoor model matched in voltage rating Match the compatible model follow specification YES NO NO For safety reason and to prevent component breakdown always switch off...

Page 55: ...Patrol sensor Troubleshooting NO When abnormality indication starts again Defective Patrol sensor Replace the Patrol sensor Has the error occurred after 6 hours continuous of PATROL ON function Check...

Page 56: ...oor unit PCB Troubleshooting When abnormality indication starts again Is the air filter dirty Clean the air filter Check the indoor unit air filter Is the indoor unit heat exchanger dirty Clean the in...

Page 57: ...ror due to faulty indoor unit PCB Troubleshooting When abnormality indication starts again Is the air filter dirty Clean the air filter Check the air filter Is the indoor unit heat exchanger dirty Cle...

Page 58: ...20 10 10 0 10 20 30 40 50 0 1 Pipe temp Sensor 2 Intake Air Temp Sensor 1 2 When abnormality indication starts again Does it cable connection loose or connector broken Check the indoor pipe temperatu...

Page 59: ...dc Correct the power supply Is the DC voltage between P and N terminal normal between 285 315Vdc Check the supply voltage Operate the system Verify PFC abnormality by measuring DC voltage between P an...

Page 60: ...from the 2 3 way valve Replace the capillary tube or dryer When F91 indication happens For safety reason and to prevent component breakdown always switch off the power before remove and connect the c...

Page 61: ...ircuit Malfunction Caused Compressor terminal disconnect Outdoor PCB malfunction Troubleshooting Normal When F93 indication happens For safety reason and to prevent component breakdown always switch o...

Page 62: ...ensor Outdoor pipe temperature rise due to defective outdoor unit PCB Troubleshooting Is outdoor fan motor operating When F95 indication happens For safety reason and to prevent component breakdown al...

Page 63: ...rcuitry of IPM IPM overheats due to defective IPM temperature sensor Troubleshooting Is outdoor fan motor operating When F96 indication happens For safety reason and to prevent component breakdown alw...

Page 64: ...nent breakdown always switch off the power before remove and connect the component Check the compressor tank temperature sensor Open the 2 3 way valve YES NO Does it conform to the sensor characterist...

Page 65: ...pacitor Over current due to excessive refrigerant Troubleshooting Turn off power supply Check the main circuit electrolytic capacitor When F98 indication happens For safety reason and to prevent compo...

Page 66: ...on terminal on the board of the relay connector Tester s negative terminal Power transistor UVW Power transistor UVW Tester s positive terminal UVW Power transistor UVW Power transistor Normal resista...

Page 67: ...in electric shocks 15 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 15 1 1 To remove front grille Figure 1 15 1 2 To remove power electronic controller Figure...

Page 68: ...5 Detach the Earth wire 7 Remove screw to remove terminal board complete 7 Pull out the main electronic controller and power electronic controller halfway 10 Detach the AC303 RY PWR and CN PCFM conne...

Page 69: ...and indoor fan motor Figure 8 Figure 9 13 Remove 4 screws holding the control board then pull out the control board 16 Remove the bearing by pulling it out gently 15 Remove the screw from the evapora...

Page 70: ...oval of cross flow fan Reminder To reinstall the fan motor adjust the fan motor connector to 45 towards you before fixing control board 18 Remove the cross flow fan from the unit by pulling it to the...

Page 71: ...5 5 16 0 16 5 17 0 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Outdoor Temperature Outlet Air 220V 2 0 2 2 2 4 2 6 2 8 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Outdoor Temperature Capacity kW 220V 3 2...

Page 72: ...5 8 16 0 16 2 16 4 3 4 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Outlet Air 220V 2 30 2 40 2 50 2 60 2 70 3 4 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Capacity kW 220V 3 50 3 55 3 60 3 65 3 70 3...

Page 73: ...32 33 34 35 36 37 38 39 40 41 42 43 Outdoor Temperature Outlet Air 220V 2 6 2 8 3 0 3 2 3 4 30 31 32 33 34 35 36 37 38 39 40 41 42 43 Outdoor Temperature Capacity kW 220V 4 2 4 4 4 6 4 8 5 0 5 2 5 4 3...

Page 74: ...4 14 6 14 8 15 0 3 4 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Outlet Air C 220V 3 00 3 10 3 20 3 30 3 40 3 4 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Capacity kW 220V 4 60 4 65 4 70 4 75 4 80 3...

Page 75: ...Exploded View and Replacement Pars List 17 1 Indoor Unit Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service p...

Page 76: ...1 24 BACK COVER CHASSIS 1 CWD933019 25 FULCRUM 1 CWH621102 26 VERTICAL VANE 11 CWE241287 27 CONNECTING BAR 1 CWE261152 28 CONNECTING BAR 1 CWE261154 29 CONNECTING BAR 1 CWE261155 30 CONNECTING BAR 1 C...

Page 77: ...77 17 2 Outdoor Unit 17 2 1 CU PS9JKT 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...

Page 78: ...78 17 2 2 CU PS12JKT 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...

Page 79: ...CWH7080300J 19 SOUND PROOF BOARD 1 CWH151185 CWH151172 20 SOUND PROOF MATERIAL 1 CWG302478 CWG302436 21 SOUND PROOF MATERIAL 1 CWG302479 CWG302431 22 SENSOR CO COMP TEMP 1 CWA50C2205 O 23 CONTROL BOAR...

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