Panasonic CS-MC12DKV Service Manual Download Page 19

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During Anti-Dew condensation prevention, Airflow Direction Manual Control angle change from 10°, 15°, 20°, 26°, 32° to
22°, 24°, 26°, 28°, 30°.

8.5. Indoor Fan Speed Control

•

Indoor Fan Speed can be set using remote control.

8.5.1. Fan Speed Rotation Chart

Speed

Fan Speed (rpm)

CS-MC12DKV

S Hi

1300

1270

1050

H Lo

980

C Lo

920

Lo-

840

S Lo

790

SS Lo

Q S Hi

Q Hi

1170

Q Me

950

QH Lo

Q Lo

820

CS-MC12DKV CU-2C24DKV

Summary of Contents for CS-MC12DKV

Page 1: ...HA Air Conditioning M Sdn Bhd 11969 T All rights reserved Unauthorized copying and distribution is a violation of law CS MC12DKV CU 2C24DKV 8 9 Powerful Operation 22 8 10 Quiet Operation 23 8 11 Ionizer Operation 24 8 12 Timer Control 25 8 13 Random Auto Restart Control 25 8 14 Remote Control Signal Receiving Sound 25 9 Operating Instructions 26 10 Installation Instructions 32 10 1 Safety Precauti...

Page 2: ...stics 56 14 2 Cooling Characteristic 56 14 3 Piping Length Characteristic Cooling 57 15 Exploded View Indoor Unit 58 16 Replacement Parts List Indoor Unit 59 17 Exploded View Outdoor Unit 60 18 Replacement Parts List Outdoor Unit 61 19 Electronic Circuit Diagram 62 19 1 Remote Control 69 19 2 Print Pattern Indoor Unit Printed Circuit Board 70 19 3 Print Pattern Indicator Printed Circuit Board 72 Q...

Page 3: ...2 Functions 3 CS MC12DKV CU 2C24DKV ...

Page 4: ...4 CS MC12DKV CU 2C24DKV ...

Page 5: ...However it stops immediately when received stop signal from remote control Overload Protector 2 stage OLP to protect the compressor Overload Protector will trip when Temperature of compressor increases to 120 C High temperature or high current flows to compressor Refer circuit diagram for OLP characteristic Compressor Reverse Rotation Protection Control Outdoor Fan Operation Control 5 CS MC12DKV C...

Page 6: ... Input Power kW 1 unit 1 19 2 units 2 37 Running Current A 1 unit 5 5 2 units 11 0 EER W W BTU hW 1 unit 2 96 10 08 2 units 2 97 10 14 Starting Current A 33 0 2 Piping Connection Port Flare piping inch inch G Half Union 1 2 L Half Union 1 4 G 3 way valve 1 2 L 3 way valve 1 4 Pipe Size Flare piping inch inch G gas side 1 2 L liquid side 1 4 G gas side 1 2 L liquid side 1 4 Drain Hose Inner diamete...

Page 7: ...ation forced draft 2 15 2 34 FPI 21 18 Size W H L mm 610 315 25 4 870 5 850 5 714 0 25 4 Refrigerant Control Device Capillary Tube Refrigeration Oil c c SUNISO 4GDID or ATMOS M60 or ATMOS 56M Refrigerant R 22 g oz 880 2 31 1 2 Thermostat Electrical Protection Device 2 stage Overload Protector Capillary Tube Length mm 656 Flow Rate l min 17 7 Inner Diameter mm 1 8 Air Filter Material Style P P Hone...

Page 8: ...4 Dimensions 4 1 Indoor Unit Remote Control 8 CS MC12DKV CU 2C24DKV ...

Page 9: ...4 2 Outdoor Unit 9 CS MC12DKV CU 2C24DKV ...

Page 10: ...5 Refrigeration Cycle Diagram 10 CS MC12DKV CU 2C24DKV ...

Page 11: ...6 Block Diagram 11 CS MC12DKV CU 2C24DKV ...

Page 12: ...7 Wiring Diagram 12 CS MC12DKV CU 2C24DKV ...

Page 13: ...ture 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 below figure 8 1 1 Cooling Operation Time Diagram 13 CS MC12DKV CU 2C24DKV ...

Page 14: ...control When operation 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 setting temperature as shown in below figure However after 3 minutes of compressor off during Soft Dry OFF within 6 minutes Soft Dry restart control the indoor unit will start to oper...

Page 15: ... operation mode until it is switched off using remote control with the setting temperature as shown in below table The setting temperature for all the operations can be changed one level up or one level down from the standard temperature as shown in below table by pressing on the temperature up or temperature down button at remote control The operation mode judging temperature and standard setting...

Page 16: ...ke air temperature falls between the compressor ON temperature A and compressor OFF temperature B during the period This phenomenon is to reduce the built up humidity inside a room 8 4 3 60 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 How...

Page 17: ...es or longer and the temperature difference between intake air and indoor heat exchanger is 2 5 C or less for continuous 2 minutes compressor will stop and restart automatically Time Delay Safety Control is activated before the compressor restart s T Intake air temperature Indoor heat exchanger temperature This is to prevent compressor from rotate reversely when there is an instantaneous power fai...

Page 18: ...ation may occur at QLo cool therefore QLo cool is operated only 1hr 30min 1 hr QLo 30 min QLo 80 rpm After that it operates at QLo 160 rpm However Quiet LED remains on Narrowing 1 Vertical Airflow Direction During Anti Dew condensation prevention Airflow Direction Auto control angle from 0 32 to 20 30 under cooling and Soft Dry operation mode 18 CS MC12DKV CU 2C24DKV ...

Page 19: ...20 26 32 to 22 24 26 28 30 8 5 Indoor Fan Speed Control Indoor Fan Speed can be set using remote control 8 5 1 Fan Speed Rotation Chart Speed Fan Speed rpm CS MC12DKV S Hi 1300 Hi 1270 Me 1050 H Lo 980 C Lo 920 Lo 840 S Lo 790 SS Lo Q S Hi Q Hi 1170 Q Me 950 QH Lo Q Lo 820 19 CS MC12DKV CU 2C24DKV ...

Page 20: ...will be switched 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 Lo for the beginning 20 seconds to prevent higher volume of refrigerant in liquid form returning to the compressor 5 After the compressor at turn off condition for 3 minutes indoor fan w...

Page 21: ...sing position Auto Fan Speed during Soft Dry operation 1 Indoor fan will rotate alternately between off and Lo 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 fan speed at Lo to circulate the air in the room This is to obtain the actual reading of i...

Page 22: ...ally will be running under SHi Fan Speed Cooling Lo Fan Speed Soft Dry Vertical Airflow Direction In Manual setting the vane will automatically shift down 10 lower than previous In Auto setting the vane will automatically swing up and down However the lower limit will be shifted 10 downward Powerful Mode will operate for 15 minutes only and operation will shift back to previous setting mode Powerf...

Page 23: ... fan speed against the present operation sound level Dew formation become severe at Quiet Lo cool therefore Quiet Lo cool is operated only 1hr 30 min 1hr QLo 30 min QLo 80 rpm After that it goes back to Lo cool However Quiet LED remains on Manual Airflow Direction RPM control during Lo cool RPM control during Hi cool Auto Airflow Direction Quiet operation stops when Quiet button is pressed again S...

Page 24: ...er resume Ionizer operation will be activated immediately g When the Ionizer circuit feedback process error occur for 24 times about 11hr 30 min Ionizer operation will turn off with ION LED blinks continuously For details please refer to Ionizer Error detection control 2 Operation mode Ionizer operation a When air conditioner unit is at ON condition and ION operation button at the remote control i...

Page 25: ...fore the set time 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 fan will operate at SLo speed for 25 seconds 30 minutes before the set time to detect the intake air temperature to determine the operation mode The operation indication lamp will bl...

Page 26: ...9 Operating Instructions 26 CS MC12DKV CU 2C24DKV ...

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Page 32: ...age electrical shock or fire 2 Install according to this installation instruction strictly If installation is defective it will cause water leakage electrical shock or fire 3 Use the attached accessories parts and specified parts for installation Otherwise it will cause the set to fall water leakage fire or electrical shock 4 Install at a strong and firm location which is able to withstand the set...

Page 33: ...lace where 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 connection to the receptacle using a power plug Use an approved 15A 16A power plug with earth pin for the connection to the socket 2 Power supply connection to a circuit breaker for the permanent co...

Page 34: ...r 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 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 c...

Page 35: ... the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with ø70 mm hole core drill Line according to the left and right side of the installation plate The meeting point of the extended line is the centre of the hole 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 ...

Page 36: ...3 For the embedded piping This can be used for left rear piping left bottom piping also 36 CS MC12DKV CU 2C24DKV ...

Page 37: ... 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 INSTALLATION OF SUPER ALLERU BUSTER FILTER 1 Open the front panel 2 Remove the air filters 3 Put super alleru buster filter...

Page 38: ...ssed 2 TEST RUN OPERATION FOR PUMP DOWN SERVICING PURPOSE The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec A pep sound will occur at the fifth sec in order to identify the starting of Test Run operation 3 REMOTE CONTROLLER RECEIVING SOUND ON OFF The ON OFF of Remote Controller receiving sound can be change over by the following steps a Release...

Page 39: ...ly onto the copper pipe In case of using long piping Connect the piping Align the center of 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 Unit Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare ...

Page 40: ...1 Remove the service port cap from both 3 way valves 2 Connect the manifold gauge set to the service port of Liquid side 3 way valve 3 Connect the charging cylinder to the manifold gauge set and open the valve of the cylinder 4 Open the low pressure side valve of the manifold gauge of approx 10 seconds and then close 5 Check a gas leakage of the connecting portion of pipings with the gas leak dete...

Page 41: ... MPa 3 Set the both 3 way valves to open position with the hexagonal wrench for the unit operation 2 Air purging 10 6 5 CONNECT THE CABLE TO THE OUTDOOR UNIT 1 Remove the control board cover from the unit by loosening the screw 2 Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed flexible cord type designation 245 IEC 57 or heavier cord 4 1 5 mm2 Power...

Page 42: ...able being fixed to terminal board firmly Is the connecting cable being clamped firmly Is the drainage OK Refer to Check the drainage section Is the earth wire connection properly done Is the indoor unit properly hooked to the installation plate Is the power supply voltage complied with rated value Is there any abnormal sound Is the cooling operation normal Is the thermostat operation normal Is th...

Page 43: ...mping down Closed Closed Open Open Transferring Clockwise With cap Counter clockwise Connected manifold gauge Evacuation Open Open Open Open Servicing Counter clockwise Connected manifold gauge Counter clockwise Connected manifold gauge Gas charging Open Open Open Open Servicing Counter clockwise Connected manifold gauge Counter clockwise Connected manifold gauge Pressure check Open Open Open Open...

Page 44: ...indicates The air in the indoor unit and in the piping must be purged If air remains in the refrigeration pipes it will affect the compressor reduce the cooling capacity and could lead to a malfunction 6 Use torque wrench CWHAD 9211 to tighten the service port nut to a torque of 1 8 kg cm 7 Set both the 3 way valves to the open position 8 Mount the valve stem nuts to the 3 way valves 9 Check for g...

Page 45: ... set slightly to purge air from the charge hose 5 Set the Liquid side 3 way valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 kg cm2 G If the unit cannot be operated at the cooling weather is rather cool press the Pump Down switch on the Indoor unit So that the unit can be operated 7 Immediately set the 3 way valve to the closed ...

Page 46: ...4 Air purging Open the valve on the gas cylinder Open the valve on the charge set discharge for three seconds and wait for one minute Repeat this three times 5 Check for gas leakage Check the flare connections for gas leakage 6 Discharge the refrigerant Close the valve on the gas cylinder and discharge the refrigerant until the gauge indicates 3 to 5 kg cm2 G 7 Disconnect the charge set and the ga...

Page 47: ...refrigerant until the gauge indicates 0 kg cm2 G If there is no air the refrigeration cycle the pressure when the air conditioner is not running is higher than 1 kg cm2 G discharge the refrigerant until the gauge indicates 0 5 to 1 kg cm2 G If this is the case it will not be necessary to apply an evacuation Discharge the refrigerant gradually if it is discharged too suddenly the refrigeration oil ...

Page 48: ... cmHg vacuum of 4 mmHg or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed 11 3 Evacuation Procedure 48 CS MC12DKV CU 2C24DKV ...

Page 49: ...e system cannot be charged with the specified amount of refrigerant it can be charged with a little at a time approximately 150 g each time while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from both the 3 way valve s service ports Stopping p...

Page 50: ...t Board Printed circuit 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 is 50 70 F 30 40 C higher Please use a high temperature solder iron and 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 If you m...

Page 51: ...lift up the evaporator Fig 6 Pull down the Discharge Grille Complete Fig 6 Release CN TH connector Fig 4 Release CN STM connector Fig 4 Release CN REC DISP connector Fig 4 Fig 5 Press the hook to the right then take out the PCB Fig 5 Remove Ry Pwr connector black and brown and Ac Wht connector from the PCB Fig 5 Fig 7 Fig 8 Remove indoor pipe sensor and air intake sensor from the evaporator Fig 7 ...

Page 52: ...g operation is possible by pressing the Auto OFF ON Button for more than 5s where beep sound is heard then release the button User able to select remote control transmission code and toggle remote control signal receiving sound under various setting mode To enter various setting mode Press the Auto OFF ON Button continuosly for 5s beep sound is heard and release Within 20s press the Auto OFF ON Bu...

Page 53: ...cted and stored in EEPROM of indoor unit The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal inteference when there are 2 or more indoor unit installed nearby together To change remote control transmission code short or open jumpers at the remote control printed circuit board Under various setting mode after select the tr...

Page 54: ...ration 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 13 Troubleshooting Guide 54 CS MC12DKV CU 2C24DKV ...

Page 55: ...nt and temperature 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 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 pressure and low pr...

Page 56: ...14 Technical Data 14 1 Thermostat characteristics 14 2 Cooling Characteristic 56 CS MC12DKV CU 2C24DKV ...

Page 57: ...14 3 Piping Length Characteristic Cooling 57 CS MC12DKV CU 2C24DKV ...

Page 58: ...15 Exploded View 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 58 CS MC12DKV CU 2C24DKV ...

Page 59: ...LETE 1 CWA28C2102J 0 22 ELECTRONIC CONTROLLER MAIN 1 CWA744038 0 23 SENSOR COMPLETE 1 CWA50C2122 0 24 CONTROL BOARD FRONT COVER 1 CWH13C1120 25 CONTROL BOARD COVER BOTTOM 1 26 INDICATOR COMPLETE 1 CWE39C1127 0 27 INDICATOR HOLDER 1 CWD932429 28 INDICATOR HOLDER 1 CWD932430 29 CONTROL BOARD TOP COVER 1 CWH131207 30 REMOTE CONTROL COMPLETE 1 CWA75C2600 0 31 FRONT GRILLE COMPLETE 1 CWE11C3362 32 INTA...

Page 60: ...17 Exploded View Outdoor 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 60 CS MC12DKV CU 2C24DKV ...

Page 61: ...2221 22 ELECTRONIC CONTROLLER MAIN 1 CWA742811 0 23 CAPACITOR COMPRESSOR 30µF 400VAC 2 CWA312076 0 24 CAPACITOR FAN MOTOR 3 5µF 440VAC 1 DS441355NPQA 0 25 HOLDER CAPACITOR 2 CWH30078 26 TERMINAL BOARD ASS Y 1 CWA28K1143 0 27 OVERLOAD PROTECTOR 2 CWA121017J 0 28 HOLDER OLP 2 CWH7041200 29 CABINET SIDE PLATE L 1 CWE041096A 30 HANDLE 1 CWE161010 31 CABINET SIDE PLATE R 1 CWE041169A 32 HANDLE 2 CWE160...

Page 62: ...k R56 1k C01 0 01 R3 1 1k R78 10k C29 0 1 3 2 1 CN SONIC 1 2 R1 1 1k JP 5 SW01 R68 100 R13 220 R14 220 R1 5 220 R27 220 R7 3 3 3k R1 7 220 C27 0 01 C28 0 01 C35 0 01 e c b Q09 SCHEMATIC DIAGRAM 1 5 CS MC12DKV CU 2C24DKV CN DISP DISPLAY COMPLETE CN DISP 2 3 4 5 6 7 8 9 10 1 TIMER AIR SW ORG POWER GRN QUIET ORG POWERFUL ORG SUPERSONIC BLU C401 47 6 3V IC401 3 1 2 D404 D403 D401 D402 ION GRN D405 D40...

Page 63: ...1 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 R0 9 10k IC02 5 6 8 3 1 RS DO DI R B CS SK 4 Vcc GND 2 7 C3EBDG000021 JX2 C05 0 1 16V R06 24 k R1 0 10k AIR TEMP SENSOR 15k 3950 20k 3950 PIPE TEMP SENSOR PH RED CN TH 4 3 2 1 C04 0 1 16V R30 20k C08 0 1 16V R3 3 15k ...

Page 64: ...SE 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 R3 6 1k 3 2 1 FAN MOTOR C03 0 047 C FM 1 5 ZNR01 SSR01 CR03 L01 125 H C19 0 047 C12 0 1 16V C21 10 50V c b e R66 R48 R2 9 1 6k R03 1 3k 4 7k 10k R57 12k C07 0 1 16V D16 R47 12k D15 R50 100k C18 0 1 16V c b e Q06 C2412KTX c b e R54 6 2k R51 10k R53 1...

Page 65: ...Q1 Q2 Q4 Q5 R2 c e b 4 7k 10k e b c C3 R4 R3 R5 D2 Z01 D4 c e b C8 D1 D3 R1 4 R1 3 R9 R1 5 R1 0 R102 4 2kV R101 HV CN2 R1 2 C5 D5 C6 Z02 c e b R6 T1 D101 D102 C101 C7 GND CN3 HIGH VOLTAGE IONIZER SCHEMATIC DIAGRAM 4 5 65 CS MC12DKV CU 2C24DKV ...

Page 66: ... B OUTDOOR UNIT TERMINAL L N 1 2 3 1 2 3 TO INDOOR UNIT OLP A OLP B Y Y Y Y CAPACITOR A CAPACITOR FAN MOTOR RY1 RY2 CN CTL FM2 Y FM1 B COMPRESSOR A CAPACITOR B COMPRESSOR B MAGNETIC RELAY A MAGNETIC RELAY B R R B R B B B W Y Y Y Y W W W W BL B B B BR BR BL BR 1 7 1 6 5 4 BL 4 1 4 1 1 6 5 4 66 CS MC12DKV CU 2C24DKV ...

Page 67: ...67 CS MC12DKV CU 2C24DKV ...

Page 68: ...0 sec 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 sec 4 sec 360 sec 36 sec Comp Reverse Rotation Detection 5 min 30 sec Comp ON 5 min and above 2 min 0 sec Comp Fan Motor Delay Timer 1 6 sec 0 sec Powerful Mode Operation 15 min 15 sec Random Auto R...

Page 69: ...19 1 Remote Control 69 CS MC12DKV CU 2C24DKV ...

Page 70: ...19 2 Print Pattern Indoor Unit Printed Circuit Board 70 CS MC12DKV CU 2C24DKV ...

Page 71: ...71 CS MC12DKV CU 2C24DKV ...

Page 72: ...19 3 Print Pattern Indicator Printed Circuit Board 72 CS MC12DKV CU 2C24DKV PHAAM Printed in Malaysia ...

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