Panasonic CS-V7DKE, Service Manual

Page 1: ...Bhd 11969 T All rights reserved Unauthorized copying and distribution is a violation of law CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE 3 2 CS V9DKE CU V9DKE 9 3 3 CS V12DKE CU V12DKE 11 4...

Page 2: ...d 56 12 2 Indoor Electronic Controllers Removal Procedures 56 12 3 Indoor Fan Motor And Cross Flow Fan Removal Procedures 57 12 4 Remote Control Reset 58 12 5 Auto OFF ON Button 59 13 Troubleshooting...

Page 3: ...ion Gas leakage detection Prevent Compressor reverse cycle OLP to protect Compressor Noise prevention during soft dry operation Blue coated Condenser for high resistance to corrosion Anti dew formatio...

Page 4: ...ion 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 adjustment...

Page 5: ...anger from freezing Random Auto Restart Control Unit will be restarted when resume from power failure at previous setting Indoor Fan Speed Control Manual control fan speed High Medium and Low Automati...

Page 6: ...ops immediately with remote control stop signal Overload Protector OLP to protect the compressor Overload Protector will trip when Temperature of compressor increases to 120 C High temperature or high...

Page 7: ...oling 740 Running Current A Cooling 3 4 EER W W BTU hW Cooling 3 24 11 1 Starting Current A 12 0 Piping Connection Port Flare piping inch inch G Half Union 3 8 L Half Union 1 4 G 3 way valve 3 8 L 2 w...

Page 8: ...ate fin configuration forced draft 2 15 2 20 FPI 21 17 Size W H L mm 610 315 25 4 594 7 574 7 483 25 4 Refrigerant Control Device Capillary Tube Refrigeration Oil cm3 FV50S 300 Refrigerant R 410A g oz...

Page 9: ...unning Current A Cooling 4 2 EER W W BTU hW Cooling 3 21 10 9 Starting Current A 20 3 Piping Connection Port Flare piping inch inch G Half Union 3 8 L Half Union 1 4 G 3 way valve 3 8 L 2 way valve 1...

Page 10: ...Plate fin configuration forced draft 2 15 1 20 FPI 21 17 Size W H L mm 610 315 25 4 835 1 508 22 Refrigerant Control Device Capillary Tube Refrigeration Oil cm3 FV50S 350 Refrigerant R 410A g oz 930...

Page 11: ...4 Running Current A Cooling 5 3 EER W W BTU hW Cooling 3 23 11 0 Starting Current A 22 0 Piping Connection Port Flare piping inch inch G Half Union 1 2 L Half Union 1 4 G 3 way valve 1 2 L 2 way valve...

Page 12: ...te fin configuration forced draft 2 15 2 24 FPI 21 17 Size W H L mm 610 315 25 4 707 5 727 5 504 25 4 Refrigerant Control Device Capillary Tube Refrigeration Oil cm3 FV50S 350 Refrigerant R 410A g oz...

Page 13: ...4 Dimensions 4 1 Indoor Unit Remote Control 4 1 1 CS V7DKE CS V9DKE CS V12DKE 13 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 14: ...4 2 Outdoor Unit 4 2 1 CU V7DKE 4 2 2 CU V9DKE CU V12DKE 14 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 15: ...5 Refrigeration Cycle Diagram 15 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 16: ...6 Block Diagram 16 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 17: ...7 Wiring Diagram 17 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 18: ...etting 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...

Page 19: ...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 20: ...r 8 4 Operation Control 8 4 1 Restart Control Time Delay Safety Control When the thermo off temperature temperature which compressor stops to operate is reached during Cooling operation the compressor...

Page 21: ...y Restart control Time Delay Safety Control will be applied in this Control if the recovery time is too short 8 4 5 Compressor Reverse Rotation Protection Control If the compressor is operating contin...

Page 22: ...rol is cancelled immediately when above condition is changed or Powerful button is pressed Anti Dew formation is control by 1 CLo fan is changed to HLo fan 2 QLo fan is changed to HLo fan 8 5 Indoor F...

Page 23: ...d to Hi fan speed from Lo after 70 seconds from the start of compressor This cause the room temperature to achieve the setting temperature quickly 4 During compressor stop indoor fan will operate at L...

Page 24: ...2 At the beginning of each compressor start operation indoor fan will increase fan speed gradually for deodorizing purpose 3 When compressor at turn off condition for 6 minutes indoor fan will start f...

Page 25: ...wer temperature limit 16 C This operation automatically will be running under SHi Fan Speed Cooling Vertical Airflow Direction In Manual setting the vane will automatically shift down 10 lower than pr...

Page 26: ...g Hi Me cool Auto Fan Speed Cooling operation Soft Dry operation Quiet operation stops when Quiet button is pressed again Powerful button is pressed Stopped by OFF ON operation button Timer OFF activa...

Page 27: ...ration 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 con...

Page 28: ...so that the room will reach nearly to the set temperature by the set time For Cooling and Soft Dry operation the operation will start 15 minutes before the set time For Automatic operation the indoor...

Page 29: ...control In case of emergency or abnormal condition burnt smell etc occurs turn off the power supply and unplug Do not share power outlet Do not modify power cord Do not use an extension cord Do not op...

Page 30: ...batteries AAA or R03 3 Press CLOCK button 4 Set current time 5 Press again to con rm Supersonic air purifying device Auto OFF ON button Receiver Troubleshooting Operation delayed for few minutes afte...

Page 31: ...30 C Troubleshooting 2 2 Select the desired operation 3 3 Set the temperature AUTO Automatic Operation COOL Cooling Operation DRY Soft Dry Operation Start the operation 1 1 HOW TO OPERATE Supersonic...

Page 32: ...n has been set the louver swings up and down automatically Please do not adjust the vertical air ow direction louver manually Horizontal air ow direction louver could be adjusted manually AIR SWING Hi...

Page 33: ...Details Use the ON timer to turn on the air conditioner at the desired time This will give you a cooling environment e g when you return from work or wake up When the ON timer is set operation will st...

Page 34: ...e the lter every 3 years or purchase the replacement lter if it is damaged Part no CZ SA13P SUPER ALLERU BUSTER Vacuum wash and dry AIR FILTER AIR FILTER SUPERSONIC AIR SUPERSONIC AIR PURIFYING DEVICE...

Page 35: ...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 36: ...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 37: ...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 38: ...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 39: ...3 For the embedded piping This can be used for left rear piping left bottom piping also 39 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 40: ...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 41: ...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 42: ...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 43: ...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 44: ...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 45: ...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 46: ...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 47: ...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 48: ...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 49: ...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 50: ...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 51: ...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 52: ...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 53: ...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 54: ...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 55: ...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 56: ...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 57: ...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 58: ...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 59: ...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 60: ...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 61: ...fifteen minutes after an operation is started 13 3 Diagnosis Methods Of A Malfunction Of A Compressor Nature of fault Symptom Electric current during operation becomes approximately 20 lower than the...

Page 62: ...SHC IP TC SHC IP 17 0 C 2 98 2 26 0 86 2 78 2 16 0 93 2 59 2 08 0 99 2 35 1 98 1 07 19 0 C 3 00 0 94 19 5 C 3 27 2 36 0 88 3 05 2 27 0 94 2 84 2 18 1 01 2 58 2 08 1 09 22 0 C 3 56 2 45 0 89 3 33 2 36...

Page 63: ...14 3 Operation Characteristics 14 3 1 CS V7DKE CU V7DKE 14 3 2 CS V9DKE CU V9DKE 63 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 64: ...14 3 3 CS V12DKE CU V12DKE 64 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 65: ...CS V7DKE CS V9DKE CS V12DKE 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 65 CS V7DKE CU V7DKE CS V...

Page 66: ...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 67: ...Unit 17 1 CU V7DKE 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 67 CS V7DKE CU V7DKE CS V9DKE CU V...

Page 68: ...U V12DKE 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 68 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V1...

Page 69: ...1 CWH151074 22 TERMINAL BOARD ASS Y 1 CWA28K1064 23 CAPACITOR COMPRESSOR 1 CWA312074 20 F 400VAC 0 24 HOLDER CAPACITOR 1 CWH301038 25 CAPACITOR FAN MOTOR 1 DS441125BPQD 2 0 F 440VAC 0 26 CABINET SIDE...

Page 70: ...1 CWH102202 22 TERMINAL BOARD ASS Y 1 CWA28K1064 23 CAPACITOR COMPRESSOR 1 DS371256CPNA 25 F 370VAC 0 24 HOLDER CAPACITOR 1 CWH30057 25 CAPACITOR FAN MOTOR 1 DS441205NPQA 2 0 F 440VAC 0 26 CABINET SID...

Page 71: ...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 72: ...XT2 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...

Page 73: ...FUSE TO OUTDOOR RY PWR AC WHT T 2A L 250V FUSE P L 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 C03 0 047 C FM 1 5 ZNR0...

Page 74: ...C8 D1 D3 R14 R13 R9 R15 R10 R102 4 2kV R101 HV CN2 R12 C5 D5 C6 Z02 c e b R6 T1 D101 D102 C101 C7 GND CN3 HIGH VOLTAGE IONIZER COMPRESSOR CAPACITOR B B R Y Y OR FAN MOTOR CAPACITOR B B R TO INDOOR 1 2...

Page 75: ...75 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 76: ...c Auto Mode Judgement 20 sec 0 sec Soft Dry OFF 6 min 36 sec ON 10 min 60 sec Soft Dry 10 min operation Deodorizing Control Cooling 40 sec 4 sec 70 sec 7 sec 20 sec 2 sec 180 sec 18 sec Soft Dry 40 se...

Page 77: ...19 2 Remote Control 77 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 78: ...19 3 Print Pattern Indoor Unit Printed Circuit Board BOTTOM VIEW 78 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 79: ...TOP VIEW 79 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE...

Page 80: ...19 4 Print Pattern Indicator Receiver Printed Circuit Board BOTTOM VIEW TOP VIEW 80 CS V7DKE CU V7DKE CS V9DKE CU V9DKE CS V12DKE CU V12DKE PHAAM Printed in Malaysia...