Panasonic CS-W7DKE Service Manual Download Page 82

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18.2. CU-W12DKE

REF. NO.

PART NAME & DESCRIPTION

QTY.

CU-W12DKE

REMARKS

CHASSY ASS’Y

CWD50K2073

SOUND PROOF MATERIAL

CWG302088

FAN MOTOR BRACKET

CWD541030

SCREW - FAN MOTOR BRACKET

CWH551059

FAN MOTOR

CWA951117

SCREW - FAN MOTOR MOUNT

CWH55406

PROPELLER FAN ASS’Y

CWH03K1006

NUT - PROPELLER FAN

CWH56053

COMPRESSOR

5PS132DAG21

ANTI - VIBRATION BUSHING

CWH50077

NUT - COMPRESSOR MOUNT

CWH4582065

CONDENSER

CWB32C1563

TUBE ASS’Y (CHECK VALVE/CAPILLARY)

CWT01C3363

STRAINER

CWB11025

HOLDER COUPLING ASS’Y

CWH351023

2-WAY VALVE (LIQUID)

CWB021057

3-WAY VALVE (GAS)

CWB011062

TERMINAL COVER

CWH171011

NUT - TERMINAL COVER

CWH7080300

SOUND PROOF BOARD

CWH151023

CONTROL BOARD CASING

CWH102102

TERMINAL BOARD ASS’Y

CWA28C2170

CAPACITOR - COMPRESSOR

DS371256CPNA

(25µF, 370VAC)

HOLDER CAPACITOR

CWH30057

CAPACITOR - FAN MOTOR

DS441205NPQA

(2.0µF, 440VAC)

CABINET SIDE PLATE (L)

CWE041031A

CABINET SIDE PLATE (R)

CWE041037A

CABINET FRONT PLATE

CWE06K1034

WIRE NET

CWD04C1009

CABINET TOP PLATE

CWE031014A

PLATE - C. B. COVER

CWH131088

CONTROL BOARD COVER

CWH131092

HANDLE

CWE161010

OPERATION INSTRUCTIONS (ENG., ESP., ITA., NED., POR., GRE.,
BUL.)

CWF564484

INSTALLATION INSTRUCTIONS (ENG., FRA., ESP. & DEU.)

CWF612663

OVERLOAD PROTECTOR

CWA121214

4-WAY VALVE

CWB001011

V-COIL COMPLETE

CWA43C2069

ELECTRO MAGNETIC SWITCH

CWA00059

ELECTROLYTIC CAPACITOR

CWA32C067

ELECTRO MAGNETIC SWITCH

K6A2C7A00002

TEMPERATURE RELAY

CWA14C1009

L.TUBE

CWH5850080

PACKING - L.TUBE

CWB81012

OPERATING INSTRUCTION (FRA., DEU., SWE., NOR)

CWF564485

INSTALLATION INSTRUCTIONS (ITA., NED., POR., & GRE.)

CWF612664

INSTALLATION INSTRUCTIONS (BUL.)

CWF612679

(Note)

•

All parts are supplied from PHAAM, Malaysia (Vendor Code: 061).

•

“O” marked parts are recommended to be kept in stock.

CS-W7DKE CU-W7DKE / CS-W9DKE CU-W9DKE / CS-W12DKE CU-W12DKE

Summary of Contents for CS-W7DKE

Page 1: ...Bhd 11969 T All rights reserved Unauthorized copying and distribution is a violation of law CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE 3 2 CS W9DKE CU W9DKE 9 3 3 CS W12DKE CU W12DKE 11 4...

Page 2: ...Board 66 12 2 Indoor Electronic Controllers Removal Procedures 66 12 3 Indoor Fan Motor And Cross Flow Fan Removal Procedures 67 12 4 Remote Control Reset 68 12 5 Auto OFF ON Button 69 13 Troubleshoo...

Page 3: ...reverse cycle OLP to protect Compressor Noise prevention during soft dry operation Blue coated Condenser for high resistance to corrosion Anti dew formation control Cooling Soft Dry Overload protecti...

Page 4: ...election SET CANCEL Timer Operation Set Cancel ON Timer and OFF Timer setting and cancellation CLOCK AIR SWING AUTO Automatic Vertical Airflow Control Manual Vertical Airflow Control 5 stages of adjus...

Page 5: ...revious setting Indoor Fan Speed Control Manual control fan speed High Medium and Low Automatic fan speed Vertical airflow control can be adjusted automatically or manually by remote control Horizonta...

Page 6: ...e unit is switched to OFF during Heating Operation 4 way valve stays at Heating position for 5 minutes Overload Protection Control Outdoor fan stops when indoor heat exchanger temperature rises to 51...

Page 7: ...0 318 Heating 9 0 318 Noise Level dB A Cooling High 34 Low 26 Cooling High 46 Heating High 36 Low 26 Heating High 48 Power level dB Cooling High 47 Cooling High 61 Heating High 49 Heating High 63 Ele...

Page 8: ...Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Blue Coat Fin Type Slit Fin Corrugate Fin Row Stage Plate fin configuration forced draf...

Page 9: ...h 36 Low 26 Cooling High 48 Heating High 39 Low 26 Heating High 49 Noise Level Power level dB Cooling High 49 Cooling High 63 Heating High 52 Heating High 64 Electrical Data Input W Cooling 855 Heatin...

Page 10: ...ator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Blue Coat Fin Type Slit Fin Corrugate Fin Row Stage Plate fin configuration forced draft 2 15 2 23 FPI 21 17 Size W...

Page 11: ...igh 39 Low 29 Cooling High 49 Heating High 40 Low 29 Heating High 49 Noise Level Power level dB Cooling High 52 Cooling High 64 Heating High 53 Heating High 65 Electrical Data Input kW Cooling 1 12 He...

Page 12: ...rator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Blue Coat Fin Type Slit Fin Corrugate Fin Row Stage Plate fin configuration forced draft 2 15 2 24 FPI 21 17 Size...

Page 13: ...4 Dimensions 4 1 Indoor Unit Remote Control 4 1 1 CS W7DKE CS W9DKE CS W12DKE 13 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 14: ...4 2 Outdoor Unit 4 2 1 CU W7DKE CU W9DKE 4 2 2 CU W12DKE 14 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 15: ...5 Refrigeration Cycle Diagram 15 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 16: ...6 Block Diagram 16 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 17: ...17 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 18: ...7 Wiring Diagram 18 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 19: ...19 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 20: ...ing 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 heating operation the...

Page 21: ...perature 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 compre...

Page 22: ...tion begins Soft Dry will be switched ON for a maximum 10 minutes then Soft Dry operation will be turned OFF for a minimum 6 minutes After that the Soft Dry operation will be ON and OFF based on the s...

Page 23: ...o set temperature Compressor keeps running eventhough after 1 hour from automatic operation mode started Present Judgement Next Mode Mode Cooling Soft Dry Heating O O Cooling 23 C Cooling Judgement No...

Page 24: ...is turn on again within the period This phenomenon is to balance the pressure inside the refrigerant cycle 8 5 2 60 Seconds Forced Operation Once the air conditioner is turned on the compressor will n...

Page 25: ...ctivated before the compressor restart T Intake air temperature Indoor heat exchanger temperature This is to prevent compressor from rotate reversely when there is an instantaneous power failure 8 5 6...

Page 26: ...r and the temperature difference between indoor heat exchanger and intake air is 5 C heating mode or less for continuous 2 minutes compressor will stop and restart automatically Time Delay Safety Cont...

Page 27: ...xcept deicing operation When the unit is switched off by remote control during Heating operation the 4 way valve stay at Heating position for 5 minutes This is to prevent the refrigerant flow process...

Page 28: ...0 minutes of Heating operation starts or 60 minutes after previous deice operation If the TRS Thermal Reed Switch senses the outdoor piping temperature drops to 3 C TRS CLOSE or less for 50 sec contin...

Page 29: ...Normal Deicing Time Diagram Overload Deicing Time Diagram 29 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 30: ...80 Lo 750 750 850 S Lo 700 700 750 SS Lo 300 300 300 Q S Hi 1120 1210 1210 Q Hi 970 1060 1180 Q Me 840 880 1020 Q H Lo 770 770 890 Q Lo 680 680 780 8 6 2 Automatic Fan Speed Control When set to Auto F...

Page 31: ...er the compressor at turn off condition for 3 minutes indoor fan will start to operate at Lo to circulate the air in the room This is to obtain the actual reading of the intake air temperature 6 When...

Page 32: ...ng and Soft Dry operation mode Cooling and Soft Dry Operation Auto Fan Speed during Heating operation 1 Indoor fan will rotate in the range of SLo Me according to the heat exchanger temperature 8 6 3...

Page 33: ...20 26 32 to 22 24 26 28 30 under Cooling and Soft Dry operation mode 8 9 Horizontal Airflow Direction Control The horizontal airflow direction louvers can be adjusted manually by hand 8 10 Powerful O...

Page 34: ...the intake air temperature as Heating Mode Airflow Direction Auto Control However the upper and lower limit will be shifted 5 downward Powerful operation stops when Powerful operation has operate for...

Page 35: ...around 2 dB A for Lo fan speed or 3 dB A for Hi Me fan speed against the present sound level operation Dew formation become severe at Quiet Lo cool therefore Quiet Lo cool is operated only 1hr 30 min...

Page 36: ...Quiet setting of fan speed rpm refer to Indoor Fan Speed Control Manual Fan Speed Rpm control during Lo Me Hi Cool Auto Fan Speed Rpm control depends on the piping air temperature sensor of Indoor he...

Page 37: ...operation will be activated immediately g When the Ionizer circuit feedback process error occur for 24 times about 11hr 30 min Ionizer and Air Circulation operations will turn off with ION LED blinks...

Page 38: ...the set temperature by the set time For Cooling and Soft Dry operation the operation will start 15 minutes before the set time For Heating operation the operation will start 30 minutes before the set...

Page 39: ...ectly to cold air for a long period Ventilate the room regularly Pay attention as to whether the installation rack is damaged after long period of usage Switch off the power supply and unplug before c...

Page 40: ...cess Noisy during operations Installation work could be slanted or front panel didn t close properly Remote control display does not work Check whether batteries are correctly inserted or need replace...

Page 41: ...ed properly Ensure lters are cleaned or replaced when necessary Ensure inlet and outlet vents of outdoor unit have not been obstructed In heating operation Power indicator blinking no warm air dischar...

Page 42: ...tions could not be activated at the same time Powerful Quiet and Ion operations could be cancelled by pressing the respective button again Troubleshooting ION indicator on the indoor unit is blinking...

Page 43: ...return from work or wake up When the ON timer is set operation will start 15 minutes for COOL DRY or 30 minutes for AUTO HEAT before the actual set time Use the OFF timer to stop the air conditioner o...

Page 44: ...the start of operation for 15 minutes it is normal if the temperature differences between air intake and outlet vents at indoor unit is Operation Temperature Cooling 8 C Heating 14 C Operate the unit...

Page 45: ...nstall at a strong and firm location which is able to withstand the set s weight If the strength is not enough or installation is not properly done the set will drop and cause injury 5 For electrical...

Page 46: ...ere there is ease for access for the power disconnection in case of emergency In some countries permanent connection of this room air conditioner to the power supply is prohibited 1 Power supply conne...

Page 47: ...ation height for indoor unit shall be at least 2 3 m OUTDOOR UNIT If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstru...

Page 48: ...thread and using a level gauge 2 Drill the piping plate hole with 70 mm hole core drill Line according to the arrows marked on the lower left and right side of the installation plate The meeting point...

Page 49: ...3 For the embedded piping This can be used for left rear piping left bottom piping also 49 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 50: ...K W12DK 1 5 mm2 flexible cord type designation 245 IEC 57 or heavier cord Ensure the color of wires of outdoor unit and the terminal Nos are the same to the indoor s respectively Earth lead wire shall...

Page 51: ...ille The below operations will be performed by pressing the AUTO switch 1 AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto Switch is pressed 2 TEST RUN OPERATION FOR...

Page 52: ...ng size Torque Gas Liquid V7DK V9DK W7DK W9DK 3 8 42 N m 1 4 18 N m V12DK W12DK 1 2 55 N m 1 4 18 N m 10 3 Outdoor Unit 10 3 1 SELECT THE BEST LOCATION Refer to Select the best location section 10 3 3...

Page 53: ...way valve at torque of 18 N 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 4 mm 8 Mount valve c...

Page 54: ...dance less than the following CHECK ITEMS Is there any gas leakage at flare nut connections Has the heat insulation been carried out at flare nut connection Is the connecting cable being fixed to term...

Page 55: ...an oxygen deficiency if it leaks into a closed room since it collects in the lower area of the room It also generates toxic gas when it is directly exposed to a flame so it must be used in a well vent...

Page 56: ...specialist Incorrect repairs can result in an water leakage electric shock fire etc 11 2 Tools For Installing Servicing Refrigerant Piping 11 2 1 Necessary Tools In order to prevent an R410A AC from...

Page 57: ...e 5 Conventional wrenches R410A wrenches For 1 4 opposite side x torque 17 mm x 18 N m 180 kgf cm 17 mm x 18 N m 180 kgf cm For 3 8 opposite side x torque 22 mm x 42 N m 420 kgf cm 22 mm x 42 N m 420...

Page 58: ...with CFC and HCFC cannot be used with R410A because there is no chlorine in the refrigerant The present R134a leak detector can be used but the detection sensitivity will be lower setting the sensitiv...

Page 59: ...lly by opening and closing the valve 9 Refrigerant cylinders The R410A cylinders are labeled with the refrigerant name and the coating color of the cylinder protector is pink which is the color stipul...

Page 60: ...hen using a conventional flaring tool use the copper pipe gauge for clearance adjustment etc to ensure the correct A dimension see Fig 10 Fig 10 Flaring dimensions 11 3 1 Piping Materials It is recomm...

Page 61: ...center of the union c Use a torque wrench and tighten to the specified torque The tightening torque for R410A is the same as the conventional torque value for R22 Be careful because if the torque is...

Page 62: ...ed with a vacuum pump 11 4 Installation Transferring Servicing 11 4 1 Inspecting Gas Leaks with a Vacuum Pump for New Installations Using New Refrigerant Piping 1 From the viewpoint of protecting the...

Page 63: ...re the refrigerant piping Even though the replacement AC unit uses the R410A problems occur when for example either the AC unit maker or the refrigerating machine oil is different When replacing an R2...

Page 64: ...f the electronic scale 2 3 7 Open the valve of the refrigerant cylinder then open the charging valve slightly and close it Next press the check valve of the manifold gauge and purge the air 2 4 Watch...

Page 65: ...ur from the brazed part 2 Prevention of Overheating Due to heating the interior and exterior surfaces of treated metal may oxidize Especially when the interior of the refrigerant circuit oxidizes due...

Page 66: ...rcuit boards manufactured using lead free solder will have a PbF stamp on the Printed Circuit board CAUTION Pb free solder has a higher melting point than standard solder typically the melting point i...

Page 67: ...eft of the unit Fig 6 Pull the hook to the left and lift up the evaporator Fig 6 Pull down the Discharge Grille Complete Fig 6 Fig 5 Press the hook to the right then take out the PCB Fig 5 Release Ry...

Page 68: ...he batteries are inserted for the first time or the batteries are replaced you may notice the indications at remote control s display screen blink continuously and not functionable If this condition h...

Page 69: ...ol sound Short beep Turn ON remote control signal receiving sound Long beep Turn OFF remote control signal receiving sound After Auto OFF ON Button is pressed the 20s counter for various setting mode...

Page 70: ...sulation 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...

Page 71: ...nd 4 way Valve 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 compres...

Page 72: ...14 Technical Data 14 1 Thermostat Characteristics 14 1 1 CS W7DKE CS W9DKE CS W12DKE 72 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 73: ...1 98 0 84 2 37 1 91 0 90 2 16 1 81 0 97 19 0 C 2 75 0 85 19 5 C 2 99 2 17 0 79 2 80 2 08 0 85 2 60 2 00 0 91 2 37 1 91 0 98 22 0 C 3 26 2 25 0 81 3 05 2 16 0 87 2 84 2 08 0 93 2 58 1 99 1 00 14 2 3 C...

Page 74: ...14 3 Operation Characteristics 14 3 1 CS W7DKE CU W7DKE 74 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 75: ...14 3 2 CS W9DKE CU W9DKE 75 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 76: ...14 3 3 CS W12DKE CU W12DKE 76 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 77: ...CS W7DKE CS W9DKE CS W12DKE 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 77 CS W7DKE CU W7DKE CS W...

Page 78: ...24 SENSOR COMPLETE 1 CWA50C2122 0 25 CONTROL BOARD FRONT COVER 1 CWH131195 26 INDICATOR COMPLETE 1 CWE39C1115 0 27 INDICATOR HOLDER 1 CWD932429 28 INDICATOR HOLDER 1 CWD932430 29 CONTROL BOARD TOP COV...

Page 79: ...17 1 CU W7DKE CU W9DKE 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 79 CS W7DKE CU W7DKE CS W9DKE...

Page 80: ...2DKE 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 80 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE...

Page 81: ...AC DS371306CPND 30 F 370VAC 0 24 HOLDER CAPACITOR 1 CWH301038 CWH301035 25 CAPACITOR FAN MOTOR 1 DS441205NPQA 2 0 F 440VAC 0 26 CABINET SIDE PLATE L 1 CWE041110A 27 CABINET SIDE PLATE R 1 CWE04C1050 2...

Page 82: ...OR 1 CWH30057 25 CAPACITOR FAN MOTOR 1 DS441205NPQA 2 0 F 440VAC 0 26 CABINET SIDE PLATE L 1 CWE041031A 27 CABINET SIDE PLATE R 1 CWE041037A 28 CABINET FRONT PLATE 1 CWE06K1034 29 WIRE NET 1 CWD04C100...

Page 83: ...3V BZ01 BZ e c b Q01 C143XKTX R55 1k R12 1k C02 0 01 R88 5 1k ELECTRONIC CONTROL UNIT IC401 3 1 2 CN HA C23 0 01 R60 10k C26 0 01 C25 0 01 C24 0 01 D404 D403 D401 D402 ION GRN D405 D406 R401 47 R07 1...

Page 84: ...2 AVref AN10 RESET AVDD 1 2 3 4 5 6 7 9 8 16 15 14 13 12 11 10 CN STM1 1 2 3 4 5 1 2 3 4 5 ZH5 VERTICAL IC05 B1HBGGF00013 IC06 B1HBGGF00013 1 2 3 4 5 6 7 9 8 16 15 14 13 12 11 10 R09 10k IC02 5 6 8 3...

Page 85: ...V FUSE P L RED BLU RY HOT CT01 R35 D14 D13 C09 C06 HOT FM SSR02 e c b Q08 R61 10k R67 R62 C36 Q07 R64 6 2k D01 R63 6 2k c b e C32 0 01 C31 0 01 CN FM 5 4 3 2 1 CN FB R36 1k 3 2 1 FAN MOTOR CR01 CR02 R...

Page 86: ...REVERSING VALVE ELECTROLYTIC CAPACITOR BL B BL BL FAN MOTOR CAPACITOR CAPACITOR OVER LOAD PROTECTOR COMPRESSOR TRS BL BL 3 3 1 4 1 2 3 2 8 2 8 6 7 5 6 7 BL B MAGNETIC RELAY B BL GR GR GR Y B B B R R O...

Page 87: ...87 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 88: ...Comp Fan Motor Delay Timer 1 6 sec 0 sec Powerful Mode Operation 15 min 15 sec Random Auto Restart Control 0 62 sec 0 6 2 sec TRS Recovery Detection 12 min 72 sec 6 min 36 sec 3 min 18 sec 1 min 6 se...

Page 89: ...19 2 Remote Control 89 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 90: ...19 3 Print Pattern Indoor Unit Printed Circuit Board BOTTOM VIEW 90 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 91: ...TOP VIEW 91 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE...

Page 92: ...19 4 Print Pattern Indicator Receiver Printed Circuit Board BOTTOM VIEW TOP VIEW 92 CS W7DKE CU W7DKE CS W9DKE CU W9DKE CS W12DKE CU W12DKE PHAAM Printed in Malaysia...

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