Panasonic CS-PC30JKF Service Manual Download Page 42 | Manualshive

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15 Troubleshooting Guide

15.1. Refrigeration Cycle System

In order to diagnose malfunctions, make sure that there are no
electrical 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.

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Summary of Contents for CS-PC30JKF

Page 1: ...oor Unit 8 4 3 Remote Control 8 5 Dimensions 9 5 1 Indoor Unit Remote Control 9 5 2 Outdoor Unit 10 6 Refrigeration Cycle Diagram 12 6 1 CS PC30JKF CU PC30JKF 12 6 2 CS PC36JKF CU PC36JKF 13 7 Block Diagram 14 8 Wiring Connection Diagram 15 8 1 Indoor Unit 15 8 2 Outdoor Unit 16 9 Electronic Circuit Diagram 18 9 1 Indoor Unit 18 9 2 Outdoor Unit 19 10 Printed Circuit Board 21 10 1 Indoor Unit 21 1...

Page 2: ...4 2 Remote Control Button 41 15 Troubleshooting Guide 42 15 1 Refrigeration Cycle System 42 15 2 Relationship Between The Condition Of The Air Conditioner And Pressure And Electric Current 43 15 3 Diagnosis Methods Of A Malfunction Of A Compressor 43 15 4 Error Code Table 44 15 5 Test Run Forced Cooling Control 45 15 6 Pump down 45 16 Disassembly and Assembly Instructions 46 16 1 Indoor Electronic...

Page 3: ... Residual Current Device RCD 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 f...

Page 4: ...se 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 air conditioner Connect the power supply cord of the air conditioner to the mains using one of the following methods Power supply point shall be the place where there is ease for access for the power disconn...

Page 5: ... Fan Propeller Fan Material PP Resin PP Resin Motor Type Induction 2 poles Induction 6 poles Input Power W 148 177 148 177 Output Power W 73 70 2 Speed Hi rpm 685 735 780 810 Moisture Removal L h Pt h 5 2 11 0 6 4 13 5 Indoor Airflow Lo m3 min ft3 min 16 9 598 16 9 598 17 8 629 17 8 629 Me m3 min ft3 min 18 5 654 18 5 654 19 4 685 19 4 685 Hi m3 min ft3 min 20 1 710 20 1 710 21 0 740 21 0 740 SHi ...

Page 6: ...Aluminium Pre Coat Aluminium Pre Coat Fin Type Slit Fin Corrugated Fin Row Stage FPI 2 14 18 2 14 17 Size W H L mm 44 355 6 880 44 355 6 880 Outdoor Heat Exchanger Fin Material Aluminium Blue Coat Aluminium Blue Coat Fin Type Louver Fin Corrugated Fin Row Stage FPI 2 30 17 2 54 18 Size W H L mm 44 762 782 5 817 5 25 4 1134 854 7 874 7 Air Filter Material Polypropylene Polypropylene Type One Touch ...

Page 7: ...power failure for safety restart operation Gas leakage detection Prevent compressor reverse cycle Inner protector to protect compressor Noise prevention during soft dry operation Blue Coated Condenser for high resistance to corrosion Operation Improvement 24 hour timer setting Serviceability Improvement Removable and washable front panel ...

Page 8: ...8 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit Outdoor unit shown is CU PC36JK 4 3 Remote Control ...

Page 9: ...9 5 Dimensions 5 1 Indoor Unit Remote Control ...

Page 10: ...10 5 2 Outdoor Unit 5 2 1 CU PC30JKF ...

Page 11: ...11 5 2 2 CU PC36JKF ...

Page 12: ...12 6 Refrigeration Cycle Diagram 6 1 CS PC30JKF CU PC30JKF ...

Page 13: ...13 6 2 CS PC36JKF CU PC36JKF ...

Page 14: ...14 7 Block Diagram ...

Page 15: ...15 8 Wiring Connection Diagram 8 1 Indoor Unit 8 1 1 CS PC30JKF CS PC36JKF ...

Page 16: ...gs Note Resistance at 20 C of ambient temperature Resistance of Outdoor Fan Motor Windings Note Resistance at 20 C of ambient temperature MODEL CU PC30JKF CONNECTION 2JD514D5AA03 C R 0 675 C S 2 279 MODEL CS PC30JKF CONNECTION CWA951658 BLUE YELLOW 73 6 YELLOW RED 94 8 ...

Page 17: ...nce at 25 C of ambient temperature Resistance of Outdoor Fan Motor Windings Note Resistance at 20 C of ambient temperature MODEL CU PC36JKF CONNECTION ZR47K3 PFJ 512 C R 1 67 C S 0 59 MODEL CS PC36JKF CONNECTION CWA951366J CWA951403J BLUE YELLOW 73 5 YELLOW RED 102 0 ...

Page 18: ...18 9 Electronic Circuit Diagram 9 1 Indoor Unit ...

Page 19: ...19 9 2 Outdoor Unit 9 2 1 CU PC30JKF ...

Page 20: ...20 9 2 2 CU PC36JKF ...

Page 21: ...21 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 22: ...22 10 1 2 Power Printed Circuit Board 10 1 3 Indicator Printed Circuit Board ...

Page 23: ...23 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board 10 2 1 1 CU PC30JKF ...

Page 24: ...24 10 2 1 2 CU PC36JKF ...

Page 25: ...revent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is over 7 5 m additional refrigerant s...

Page 26: ...le Another method is by putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 140 mm and 155 mm for left and right hole respectively Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outdoor side 11 3 2 To Drill A Hole In The Wall And Install A Sleeve Of Piping 1 Insert the pi...

Page 27: ...27 11 3 3 3 For the embedded piping Install accessory of tube ass y 1 Remove chassis back particular piece ...

Page 28: ...nd flaring process 4 Use 2 spanner to tighten the nut tighten torque 65 Nlm 5 Check gas leak at joint area using tube connector and connect to liquid side piping Refer indication label at chassis back for detail 6 Cover the open tubing with the foam and bind it by band 7 Close back the chassis back piece This can be used for left rear piping and left bottom piping also ...

Page 29: ...f outdoor unit and the terminal Nos are the same to the indoor s respectively Earth lead wire shall be longer than the other lead wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage Secure the cable onto the control board with the holder clamper This equipment must be properly earthed Earth wire shall be Yellow Green Y G in colour and l...

Page 30: ... to the building s roof 3 If there is a possibility that vibration may be transmitted to the rooms of the building place rubber insulation between the unit and the installation surface 11 4 2 Connecting The Piping 11 4 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 Conne...

Page 31: ... the pipes to pass through Be sure to install the pipe panels to prevent rain from getting inside the outdoor unit Removing the service panel 1 Remove the two mounting screws 2 Slide the service panel downward to release the pawls After this pull the service panel toward you to remove it 11 4 2 3 Cutting And Flaring The Piping 1 Please cut using pipe cutter and then remove the burrs 2 Remove the b...

Page 32: ... 1 Measure the pressure 2 Keep it for 5 10 minutes Ensure if the pressure indicated on the gauge is as same as that of measured at first time 2 Air Purging The air remaining in the Refrigeration cycle which contains moisture may cause malfunction on the Compressor 1 To purge the air push the pin on the Gas side 3 way valve for three seconds with a Hexagonal wrench and set it free for one minute Re...

Page 33: ...ect cables from sharp edges 6 Once all wiring work has been completed tie the wires and cords together with the binding strap so that they do not touch other parts such as the compressor and pipes 7 For wire stripping and connection requirement refer to instruction of indoor unit Check that the wires do not touch the compressor etc Note Knife switch Disconnecting means should have minimum 3 0 mm c...

Page 34: ...s of cooling and heating modes Single mode unit does not have heating function Press and hold SW1 more than 1 second In DS1 under different setting condition outdoor unit will perform cooling test run or heating test run Must first select cooling mode When operation mode changes the compressor stops operation momentary Press SW1 again to cancel test run If outdoor temperature is high during heatin...

Page 35: ...y Operation can be set using remote control Soft Dry operation is applied to dehumidify the room When operation begins the fan speed is fixed at Low speed while cooling operation is running until reaches the remote control setting temperature 12 3 Auto Operation Automatic Mode can be set using remote control This operation starts to judge the intake air temperature setting temperature and outdoor ...

Page 36: ... rpm continuously for 10 seconds the fan motor error counter increased fan motor is then stopped and restarted If the fan motor error counter increased to 7 then fan motor error is detected Operation stopped and could not be restarted 12 6 Outdoor Fan Operation Outdoor fan speed changes according to outdoor pipe temperature The fan speed is controlled by the timing of turning the outdoor fan ON an...

Page 37: ...ods At that condition the louver will stop swinging and rest at the upper limit Manual Control When the vertical airflow direction is set to Manual using the remote control the automatic airflow is released and the airflow direction louver move up and down in the range shown in the diagram The louver can be adjusted by pressing the button to the desired louver position When stop operation using th...

Page 38: ...lume of refrigerant in liquid from returning to the compressor 13 3 Dew Form Prevention Control During Cooling Operation dew form prevention control activates if Indoor temperature falls between 24ºC and 30ºC Compressor and thermostat is ON Indoor fan speed is Low speed Setting temperature is less than 25ºC During dew form prevention control the louver is fixed at 30º Fan speed and angle of horizo...

Page 39: ...l at outdoor heat exchanger 13 5 3 way Valve Error This control is to protect the compressor Valve error is detected when Power is on for the first time and within 5 minutes from compressor starts However the unit is considered power on for first time when compressor starts operating continuously for 5 minutes Indoor heat exchanger temperature at compressor start 3 C current indoor heat exchanger ...

Page 40: ...y the Remote Control Number Switch mode is in standby and press RESET button and then press any button at remote control to transmit and store the desired transmission code to the EEPROM There are 4 types of remote control transmission code could be selected The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal interference...

Page 41: ...imer CANCEL button to exit the setting mode 14 2 2 CLOCK To change the remote control s clock hour and minute Press once to enter the clock setting mode Use timer increment button timer decrement button to change the time Press once again to exit the setting mode To change the time format 24 hours 12 hours timer display Press for more than 5 seconds 14 2 3 RESET To clear and restore the remote con...

Page 42: ... 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 ...

Page 43: ...gged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Nature of fault Symptom Electric current during operation becomes approximately 20 lower than the normal value Insufficient compressing of a compressor The discharge tube of the compressor becomes abnormally hot normally 70 to 90 C The difference between high press...

Page 44: ...to remove the cause of the problem and then re start the air conditioner system 2 If the problem disappears and operation returns to normal the self diagnosis LED will remain illuminated until operation is resumed flashing blank off light off illuminated 3 When the Timer LED at indoor unit signal receiver flashes it indicates there is error 4 Diagnosis functions which are not applicable for this m...

Page 45: ...can be cancelled by pressing the SW1 at outdoor unit s PCB 15 6 Pump down Pump down can be enable using the switch at the outdoor unit s PCB according to procedure below To enable pump down operation at outdoor unit s PCB set the DS1 to OFF position Press Test Run button for 1 second Pump down performs for 10 minutes Set the liquid side 3 way valve to close position until when the gauge indicates ...

Page 46: ...Removal Procedures 16 1 1 To remove front grille 16 1 2 To remove electronic controller WARNING High Voltage are generated in the electrical parts area by the capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks ...

Page 47: ...47 16 1 3 To remove discharge grille ...

Page 48: ...48 16 1 4 To remove control board 16 1 5 To remove cross flow fan and indoor fan motor ...

Page 49: ...49 ...

Page 50: ...50 17 Technical Data 17 1 Thermostat Characteristics Cooling Soft Dry ...

Page 51: ...51 17 2 Operation Characteristics 17 2 1 CS PC30JKF CU PC30JKF ...

Page 52: ...52 ...

Page 53: ...53 17 2 2 CS PC36JKF CU PC36JKF ...

Page 54: ...54 ...

Page 55: ...0 0 68 14 5 18 0 40 0 3 0 42 1 2 0 44 2 7 0 45 3 2 0 59 10 4 0 71 15 8 20 0 42 1 2 0 44 2 7 0 47 4 3 0 48 4 9 0 62 11 8 0 73 16 6 22 0 45 3 2 0 47 4 3 0 5 5 7 0 52 7 0 0 65 13 2 0 75 17 4 Indoor Wet Bulb Temperature OUTDOOR AMBIENT TEMPERATURE 10 C 20 C 30 C 40 C 50 C 52 C Discharge pressure Saturate temperature Discharge Discharge pressure Saturate temperature Discharge Discharge pressure Saturat...

Page 56: ... 40 0 41 0 31 0 33 0 66 0 68 Power Consumption KW 0 06 0 06 0 04 0 04 0 03 0 03 0 14 0 16 Fan Speed rpm 1270 1270 1170 1170 1070 1070 685 735 Item Model INDOOR OUTDOOR CS PC36JKF CU PC36JKF Mode Hi 220 240 Me 220 240 Lo 220 240 Hi 220 240 Air Volume m3 min 21 00 18 75 16 60 98 50 103 00 Running Current A 0 52 0 55 0 42 0 44 0 34 0 36 0 55 0 56 Power Consumption KW 0 06 0 06 0 05 0 05 0 04 0 04 0 1...

Page 57: ...57 17 5 Sound Data 17 5 1 CS PC30JKF CU PC30JKF 17 5 2 CS PC36JKF CU PC36JKF ...

Page 58: ...3894 9 6459 4 4231 3 7044 8 6548 4 3846 3 9312 7 4653 4 1656 5 1635 27 17 8 9252 7 5385 2 5200 8 5872 7 4103 2 7090 8 1003 7 1410 2 9484 7 5324 6 8590 3 2004 7 1267 6 6923 3 3894 6 2031 5 4656 4 1646 19 9 6825 6 7949 2 6838 9 3174 6 7179 2 8980 8 7900 6 5000 3 1500 8 1815 6 2821 3 4902 7 7352 6 0897 3 6288 6 6866 5 2626 4 3294 22 10 5345 5 5000 2 8980 10 1829 5 5000 3 1248 9 6555 5 3974 3 4020 8 9...

Page 59: ...10 3877 5 2750 4 2432 9 4487 5 1214 5 8548 27 17 10 7123 9 0693 2 7200 10 3065 8 9151 2 9240 9 7222 8 5912 3 1824 9 0405 8 2519 3 4544 8 5536 8 0514 3 6584 7 8509 6 8269 4 7222 19 11 6212 8 1748 2 8968 11 1830 8 0822 3 1280 10 5500 7 8200 3 4000 9 8196 7 5578 3 7672 9 2840 7 3264 3 9168 8 4624 6 6157 4 9091 22 12 6438 6 6169 3 1280 12 2218 6 6169 3 3728 11 5888 6 4935 3 6720 10 7610 6 2467 3 9848 ...

Page 60: ...8 Exploded View and Replacement Parts List 18 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 parts ...

Page 61: ... CWE24C1150 18 CAP DRAIN TRAY 1 CWH4612103 19 BACK COVER CHASSIS 1 CWD932631 20 CONTROL BOARD CASING 1 CWH102299 21 TERMINAL BOARD COMPLETE 1 CWA28C2375 O 22 ELECTRONIC CONTROLLER MAIN 1 CWA73C2130 CWA73C2131 O 23 ELECTRONIC CONTROLLER POWER 1 CWA744089 24 ELEC CONT INDICATOR AND RCVR 1 CWE39C1203 O 25 INDICATOR HOLDER 1 CWD933122 26 INDICATOR HOLDER 1 CWD933123 27 SENSOR COMPLETE 1 CWA50C2356 O 2...

Page 62: ...62 18 2 Outdoor Unit 18 2 1 CU PC30JKF ...

Page 63: ...63 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 64: ...OR SENSOR 2 CWH711010 19 CABINET REAR PLATE 1 CWE02C1033 20 CONTROL BOARD 1 CWH10K1078 21 MAGNETIC RELAY 1 K6C3A8A00001 22 TERMINAL BOARD ASS Y 1 CWA28K1107 23 TERMINAL BOARD ASS Y 1 CWA28K1076J 24 CAPACITOR FM 3 0MF 460V 1 DS461355QP A O 25 CAPACITOR COMP 60MF 440V 1 DS441606CPNA O 26 ELECTRONIC CONTROLLER MAIN 1 CWA73C3878 O 27 TRANSFORMER 1 CWA401060 28 TERMINAL COVER 1 CWH171012 29 NUT FOR TER...

Page 65: ...65 18 2 2 CU PC36JKF ...

Page 66: ...66 ...

Page 67: ...67 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 68: ... 2 CWH711010 19 CABINET REAR PLATE CO 1 CWE02C1034 20 CONTROL BOARD ASS Y 1 CWH10K1070 21 COMPRESSOR RELAY 1 K6C5E8A00001 22 TERMINAL BOARD ASS Y 1 CWA28K1107 23 TERMINAL BOARD ASS Y 1 CWA28K1076J 24 CAPACITOR FAN MOTOR 3 460 2 DS461305BPQA O 25 CAPACITOR COMP 1 DS371556CPNA O 26 HOLDER CAPACITOR 1 CWH30071 27 ELECTRONIC CONTROLLER MAIN 1 CWA73C3879 O 28 TRANSFORMER 1 CWA401060 29 BRACKET FAN MOTO...

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