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Panasonic CS-ZC15MKY-3, Service Manual

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Panasonic CS-ZC15MKY-3 Service Manual Download Page 33

33 

WARNING 

15.  Disassembly and Assembly Instructions 

 

 

 

 

High Voltage is 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. 

15.1  Indoor Control Board Removal Procedures 

 

 

Summary of Contents for CS-ZC15MKY-3

Page 1: ...perienced 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 or repair the product or products dealt with in this...

Page 2: ... 5 Random Auto Restart Control 27 11 6 Remote Control Signal Receiving Sound 27 12 Protection Control 28 12 1 Restart Control Time Delay Safety Control 28 12 2 7 Minutes Time Save Control 28 12 3 60 Seconds Forced Operation 28 12 4 Freeze Preventive Control 28 12 5 Compressor Reverse Rotation Protection Control 29 13 Servicing Mode 30 13 1 Auto OFF ON Button 30 13 2 Remote Control Number Switch 30...

Page 3: ...lectrical work it will cause electrical shock or fire 9 This equipment is strongly recommended to 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 joint cable for indoor outdoor connection cable Use specified indoor outdoor connection cable refer to ...

Page 4: ...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 air conditioner Connect the power supply cord of the air conditioner to the mains using one of the following methods Power s...

Page 5: ...6 poles Induction 4 poles Input Power W 81 3 104 9 Output Power W 30 44 Lo rpm 640 660 Me rpm 780 840 Hi rpm 920 1030 Indoor Fan Speed SHi rpm Type Propeller Fan Propeller Fan Material PP PP Motor Type Induction 4 poles Induction 4 poles Input Power W 135 7 135 7 Output Power W 68 68 Lo rpm Outdoor Fan Speed Hi rpm 1100 1100 Moisture Removal L h Pt h 2 4 5 1 3 0 6 3 Lo m3 min ft3 min 12 5 442 13 1...

Page 6: ...m 496 406 4 38 1 496 406 4 38 1 Fin material Aluminium Blue Coat Aluminium Blue Coat Fin Type Louver Fin Slit Fin Row Stage FPI 1 20 17 2 24 17 Outdoor Heat Exchanger Size W H L mm 22 508 708 25 4 504 693 4 713 4 Material Polypropelene Polypropelene Air Filter Type One touch One touch Power Supply Indoor Power Supply Indoor Power Supply Power Supply Cord A 16 16 Thermostat Protection Device Dry Bu...

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 Remote Control ...

Page 9: ...9 4 2 Outdoor Unit ...

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

Page 11: ...11 6 Block Diagram ...

Page 12: ...E 102 3 98 8 Note Resistance at 25 C of ambient temperature Resistance of Outdoor Fan Motor Windings MODEL CU ZC15 20MKY 3 CONNECTION CWA921468 BLUE YELLOW 87 6 Ω YELLOW RED 75 2 Ω Note Resistance at 20 C of ambient temperature Resistance of Compressor Windings MODEL CU ZC15MKY 3 CU ZC20MKY 3 CONNECTION 2KS252L5AA06 2KS340D5BA06 C R 2 981 Ω 1 525 Ω C S 3 939 Ω 2 342 Ω Note Resistance at 20 C of am...

Page 13: ...13 8 Electronic Circuit Diagram ...

Page 14: ...14 9 Printed Circuit Board 9 1 Indoor Unit 9 1 1 Main Printed Circuit Board ...

Page 15: ...15 9 1 2 Indicator Printed Circuit Board ...

Page 16: ...it to prevent 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 the piping length for a...

Page 17: ...the piping sleeve to the hole 2 Fix the bushing to the sleeve 3 Cut the sleeve until it extrudes about 15 mm from the wall When the wall is hollow please be sure to use the sleeve for tube assembly to prevent dangers caused by mice biting the connecting cable 4 Finish by sealing the sleeve with putty or caulking compound at the final stage ...

Page 18: ...18 10 2 3 Indoor Unit Installation 1 For the Right and Right Bottom Piping 2 For the Embedded Piping ...

Page 19: ...y seated on the installation plate by moving it in left and right Take Out Front Grille Remove air filter Open 2 caps on the front grille and then remove the 2 mounting screws as shown in the illustration Pull the lower section of the front grille towards you to remove the front grille Insert the Connecting Cable and Power Supply Cord Secure the Indoor Unit Tighten the indoor unit with 2 pcs of sc...

Page 20: ...cord 3 x 1 5 mm2 1 75HP or 3 x 2 5 mm2 2 25HP type designation IS 694 or 60245 IEC 57 or heavier cord to the terminal board and connect the other end of the cable to Isolating Devices Disconnecting means o Do not use joint power supply cord Replace the wire if the existing wire from concealed wiring or otherwise is too short o In unavoidable case joining of power supply cord between isolating devi...

Page 21: ...Isolating Devices Disconnecting means should have minimum 3 0 mm contact gap Ensure the colour of wire of outdoor unit and the terminal Nos are the same to the indoor s respectively Earth wire shall be Yellow Green Y G in colour and longer than other AC wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage 10 2 5 Wire Stripping and Connec...

Page 22: ...ly onto the copper pipe In case of using long piping Connect the piping Align the center 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 Connecting The Piping to Outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut loca...

Page 23: ...utes Note BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT 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 18N m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench...

Page 24: ...e to the Outdoor Unit 1 Remove the control board cover from the unit by loosening the screw 2 Connection cable 6 between indoor unit and outdoor unit shall be approved type PVC sheathed or polychloroprene sheathed 3 x 1 5 mm2 flexible cord Do not use joint connection cable Replace the wire if the existing wire from concealed wiring or otherwise is too short 3 Secure the cable onto the control boar...

Page 25: ...connecting piping is in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 6 mm or above Cutting and Flaring the Piping 1 Please cut using pipe cutter and then remove the burrs 2 Remove the burrs by using reamer If burrs is not removed gas leakage may be caused Turn the piping end down to avoid the metal powder entering the pipe 3 Please make flare after...

Page 26: ...the room temperature reaches the setting temperature set on the remote control The remote control setting temperature which takes the reading of intake air temperature sensor can be adjusted from 16 C to 30 C During cooling operation the compressor will stop running and restart as shown in figure below 11 1 1 Cooling Operation Time Diagram ...

Page 27: ...ation on the remote control display will be shown To check the remaining time before the timer takes effect press To cancel the timer press once then press again and hold for approximately 3 seconds The timer will also be canceled when you press or when power failure occurs This setting is for one time operation you will need to set again each time you want to use the timer 11 5 Random Auto Restar...

Page 28: ...0 Seconds Forced Operation Once the air conditioner is turned on the compressor will not stop within 60 seconds in a normal operation although the intake air temperature has reached the thermo off temperature However force stop by pressing the OFF ON operation button at the remote control is permitted The reason for the compressor to force operate at minimum 60 seconds is to allow the refrigerant ...

Page 29: ...ely when there is an instantaneous power failure If this condition happens continuously for 5 times within 50 minutes unit will turns off with POWER LED blinks The 5 times counter can be reset when either one of the following condition happen Unit is OFF by remote control or AUTO OFF ON button Indoor intake temperature indoor piping temperature 5 C for 1 minute or more The unit could be ON by pres...

Page 30: ... operation i Remote control receiving sound OFF ON Press Auto OFF ON button to toggle remote control receiving sound Short beep Turn ON remote control receiving sound Long beep Turn OFF remote control receiving sound After Auto OFF ON Button is pressed the 20 seconds counter for Remote Control Receiving Sound OFF ON Mode is restarted 13 2 Remote Control Number Switch o There are 2 types of remote ...

Page 31: ...trical 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 to the right ...

Page 32: ...electric current and temperature fifteen minutes after an operation is started 14 1 2 Diagnosis Methods of a Malfunction of a Compressor Nature of fault Symptom Insufficient compressing of a compressor Electric current during operation becomes approximately 20 lower than the normal value The discharge tube of the compressor becomes abnormally hot normally 70 to 90 C The difference between high pre...

Page 33: ...Voltage is 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 15 1 Indoor Control Board Removal Procedures ...

Page 34: ...34 ...

Page 35: ...35 15 2 Evaporator Complete Indoor Propeller Fan and Indoor Fan Motor Removal Procedures ...

Page 36: ...36 Caution Becareful the sharp edges of Fan Motor Bracket it may cause injury ...

Page 37: ...37 16 Technical Data 16 1 Thermostat Characteristics Cooling ...

Page 38: ...38 16 2 Operation Characteristics 16 2 1 CS ZC15MKY 3 CU ZC15MKY 3 ...

Page 39: ...39 ...

Page 40: ...40 16 2 2 CS ZC20MKY 3 CU ZC20MKY 3 ...

Page 41: ...41 ...

Page 42: ...ded View and Replacement Parts List 17 1 CS ZC15MKY 3 CS ZC20MKY 3 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 43: ...51174 15 CONTROL BOARD CASING 1 CWH102431 16 TERMINAL BOARD COMPLETE 1 CWA28C2507 21 CONTROL BOARD COVER COMPLETE 1 CWH13C1234 22 FRONT GRILLE COMPLETE 1 CWE11C4815 O 23 DISCHARGE GRILLE 1 CWE201209 24 SCREW 2 XTT4 16CFJ 25 CAP 2 CWH521214 26 AIR FILTER 1 CWD001314 O 28 OPERATING INSTRUCTION 1 CWF568029 29 INSTALLATION INSTRUCTION 1 CWF614630 30 INSTALLATION INSTRUCTION 1 CWF614629 31 ACCESSORY CO...

Page 44: ...44 17 2 CU ZC15MKY 3 CU ZC20MKY 3 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 45: ...1356 15 STRAINER 1 CWB11025 16 HOLDER COUPLING 1 CWH351184 17 2 WAY VALVE LIQUID 1 CWB021217 O 18 3 WAY VALVE GAS 1 CWB011482 O 21 TERMINAL COVER 1 CWH171012 22 NUT TERMINAL COVER 1 CWH7080300J 23 SOUND PROOF BOARD 1 CWH151269 24 TERMINAL BOARD ASS Y 1 CWA28K1064J O 26 HOLDER CAPACITOR 1 CWH30060 CWH301057 27 CAPACITOR F M COM 1 F5A32406A001 F5A32606A001 O 29 CABINET SIDE PLATE 1 CWE041544A 30 CAB...

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