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19 Electronic Circuit Diagram

19.1. Indoor Unit & Outdoor Unit

SCHEMATIC DIAGRAM 1/4

C22
0.01

R58
10k

Auto
SW

R59 1k

DISPLAY COMPLETE

SUPERSONIC COMPLETE

CN-DISP

TIMER/AIR SW(ORG)

POWER(GRN)

QUIET(ORG)

POWERFUL(ORG)

SUPERSONIC(BLU)

C401
47

6.3V

BZ01

Q01
C143XKTX

R55

R12

C02
0.01

R88
5.1k

ELECTRONIC CONTROL UNIT

IC401

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

Ω

R07

10k

R56

C01
0.01

R31

R78
10k

C29
0.1

R601

R603

X601

IC601

R602

5.1k

C601

0.1

CN-SONIC

R11

JP5

SW01

R68

100

Ω

R13 220

Ω

R14 220

Ω

R15

180

Ω

R27 220

Ω

R73

3.3k

Ω

R17

220

Ω

C27

0.01

C28

0.01

C35

0.01

Q09

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

Содержание CS-W7DKE

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

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

Страница 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...

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

Страница 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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