Panasonic CS-A12MKD Service Manual Download Page 1 | Manualshive

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Panasonic CS-A12MKD Service Manual Download Page 1

© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2011.
Unauthorized copying and distribution is a violation of law.

Order No: PHAAM1101042C3

Indoor Unit

Outdoor Unit

CS-A9MKD

CS-A12MKD
CS-A18MKD
CS-A24MKD
CS-A28MKD

CU-A9MKD

CU-A12MKD
CU-A18MKD
CU-A24MKD
CU-A28MKD

This service information is designed for experienced 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 products dealt with in this service information by anyone else could result in serious injury or death.

WARNING

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Summary of Contents for CS-A12MKD

Page 1: ...signed for experienced 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 products dealt with in th...

Page 2: ...ving Sound 66 12 14 Patrol Operation 67 12 15 E ion operation 71 12 16 AUTO COMFORT and ECO NAVI Operation 74 13 Protection Control 79 13 1 Restart Control Time Delay Safety Control 79 13 2 7 Minutes Time Save Control 79 13 3 60 Seconds Forced Operation 79 13 4 Starting Current Control 79 13 5 Freeze Prevention Control 79 13 6 Compressor Reverse Rotation Protection Control 80 13 7 Dew Prevention C...

Page 3: ...rical work it will cause electrical shock or fire 9 This equipment is strongly recommended to install 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 the specified Indoor Outdoor connection cable refer to insta...

Page 4: ...0 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 supply point shall be the place where there is ease for access for the power disconnection in case of emergency In some countries permanent connection of th...

Page 5: ...ut Power W 700 740 1 09k 1 12k W W 4 00 3 85 3 67 3 62 EER Btu hW 13 6 13 1 12 5 12 3 Power Factor 96 97 95 95 dB A 38 28 38 28 40 29 40 29 Indoor Noise H L Power Level dB 54 54 56 56 dB A 48 49 48 49 Heating Outdoor Noise H L Power Level dB 64 65 64 65 Max Current A Max Input Power W 5 1 1 13k 6 1 1 36k Starting Current A 18 23 Type Hermetic Motor Hermetic Motor Motor Type Induction 2 poles Induc...

Page 6: ...34 9 32 780 30 23 32 Dimension Depth I D O D mm inch 204 8 1 16 230 9 1 16 204 8 1 16 289 11 13 32 Weight Net I D O D kg lb 9 20 26 57 9 20 31 68 Pipe Diameter Liquid Gas mm inch 6 35 1 4 9 52 3 8 6 35 1 4 12 7 1 2 Standard length m ft 7 5 24 6 7 5 24 6 Length range min max m ft 3 10 9 8 32 8 3 15 9 8 49 2 I D O D Height different m ft 5 16 4 5 16 4 Additional Gas Amount g m oz ft 20 0 2 20 0 2 Pi...

Page 7: ...6 F Dry Bulb 19 0 C Wet Bulb 66 2 F Wet Bulb and outdoor air temperature of 35 C Dry Bulb 95 F Dry Bulb 24 C Wet Bulb 75 2 F Wet Bulb 2 Heating capacities are based on indoor temperature of 20 C Dry Bulb 68 F Dry Bulb and outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb 3 Specifications are subjected to change without prior notice for further improvement ...

Page 8: ... 3 05 EER Btu hW 11 70 11 35 10 51 10 39 Power Factor 97 98 94 91 dB A 42 42 38 38 46 46 41 41 Indoor Noise H L Power Level dB 58 58 62 62 dB A 54 55 54 55 Heating Outdoor Noise H L Power Level dB 70 71 70 71 Max Current A Max Input Power W 10 2 2 20k 14 6 3 25k Starting Current A 40 60 Type Rotary 1 cylinder rolling piston type Rotary 1 cylinder rolling piston type Motor Type Induction 2 poles In...

Page 9: ...t I D O D mm inch 290 11 7 16 750 29 17 32 290 11 7 16 750 29 17 32 Width I D O D mm inch 1070 42 5 32 875 34 15 32 1070 42 5 32 875 34 15 32 Dimension Depth I D O D mm inch 235 9 9 32 345 13 19 32 235 9 9 32 345 13 19 32 Weight Net I D O D kg lb 12 26 57 126 12 26 60 132 Pipe Diameter Liquid Gas mm inch 6 35 1 4 12 7 1 2 6 35 1 4 15 8 5 8 Standard length m ft 5 16 4 5 16 4 Length range min max m ...

Page 10: ... Cooling capacities are based on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C Wet Bulb 66 2 F Wet Bulb and outdoor air temperature of 35 C Dry Bulb 95 F Dry Bulb 24 C Wet Bulb 75 2 F Wet Bulb 2 Heating capacities are based on indoor temperature of 20 C Dry Bulb 68 F Dry Bulb and outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb 3 Specifications are ...

Page 11: ...1680 Running Current A 13 1 12 6 Input Power W 2 84k 2 86k W W 3 10 3 08 EER Btu hW 10 56 10 49 Power Factor 99 99 dB A 48 44 Indoor Noise H L Power Level dB 64 dB A 55 Heating Outdoor Noise H L Power Level dB 71 Max Current A Max Input Power W 16 4 3 45k Starting Current A 40 Type Hermetic motor Motor Type Induction 2 poles Compressor Output Power W 2 4k Type Cross Flow Fan Material ASG30K1 Motor...

Page 12: ...I D O D mm inch 290 11 7 16 750 29 17 32 Width I D O D mm inch 1070 42 5 32 875 34 15 32 Dimension Depth I D O D mm inch 235 9 9 32 345 13 19 32 Weight Net I D O D kg lb 12 26 66 146 Pipe Diameter Liquid Gas mm inch 6 35 1 4 15 88 5 8 Standard length m ft 5 0 16 4 Length range min max m ft 3 30 9 8 98 4 I D O D Height different m ft 20 0 65 6 Additional Gas Amount g m oz ft 30 0 3 Piping Length fo...

Page 13: ... on indoor temperature of 27 C Dry Bulb 80 6 F Dry Bulb 19 0 C Wet Bulb 66 2 F Wet Bulb and outdoor air temperature of 35 C Dry Bulb 95 F Dry Bulb 24 C Wet Bulb 75 2 F Wet Bulb 2 Heating capacities are based on indoor temperature of 20 C Dry Bulb 68 F Dry Bulb and outdoor air temperature of 7 C Dry Bulb 44 6 F Dry Bulb 6 C Wet Bulb 42 8 F Wet Bulb 3 Specifications are subjected to change without p...

Page 14: ... CU A24MK long piping up to 25 meters o CS CU A28MK long piping up to 30 meters Easy to use remote control Quality Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect compressor o Noise prevention during soft dry operation o Blue coated condenser for high resistance to corrosion ...

Page 15: ...15 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...

Page 16: ...16 5 Dimensions 5 1 Indoor Unit 5 1 1 CS A9MKD CS A12MKD ...

Page 17: ...17 5 1 2 CS A18MKD CS A24MKD CS A28MKD ...

Page 18: ...18 5 2 Outdoor Unit 5 2 1 CU A9MKD 5 2 2 CU A12MKD ...

Page 19: ...19 5 2 3 CU A18MKD CU A24MKD CS A28MKD ...

Page 20: ...20 6 Refrigeration Cycle Diagram 6 1 CS A9MKD CU A9MKD CS A12MKD CU A12MKD ...

Page 21: ...21 6 2 CS A18MKD CU A18MKD CS A24MKD CU A24MKD CS A28MKD CU A28MKD ...

Page 22: ...22 7 Block Diagram 7 1 CS A9MKD CU A9MKD ...

Page 23: ...23 7 2 CS A12MKD CU A12MKD ...

Page 24: ...24 7 3 CS A18MKD CU A18MKD CS A24MKD CU A24MKD ...

Page 25: ...25 7 4 CS A28MKD CU A28MKD ...

Page 26: ...D CONNECTION CWA921434 CONNECTION 2PS156D3DA02 BLUE YELLOW 351 3Ω C R 4 228Ω YELLOW RED 343 9Ω C S 3 841Ω Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature Resistance of Outdoor Fan Motor Windings MODEL CU A9MKD CONNECTION CWA951388J BLUE YELLOW 285Ω YELLOW RED 281Ω Note Resistance at 25 C of ambient temperature ...

Page 27: ...A921434 CONNECTION 2PS206D2BA06 BLUE YELLOW 351 3Ω C R 3 252Ω YELLOW RED 343 9Ω C S 4 313Ω Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature Resistance of Outdoor Fan Motor Windings MODEL CU A12MKD CONNECTION CWA951121J BLUE YELLOW 200 4Ω YELLOW RED 252 5Ω Note Resistance at 25 C of ambient temperature ...

Page 28: ...L CU A18MKD CU A24MKD MODEL CU A18MKD CU A24MKD CONNECTION CWA951353J CWA951353J CONNECTION 2JS318D3AA04 2JS438D3CC04 BLUE YELLOW 74 60Ω 74 60Ω C R 1 618Ω 1 121Ω YELLOW ORANGE 122 20Ω 122 20Ω C S 3 718Ω 2 535Ω YELLOW RED 83 40Ω 83 40Ω Note Resistance at 20 C of ambient temperature Note Resistance at 20 C of ambient temperature ...

Page 29: ...stance of Compressor Windings MODEL CU A28MKD MODEL CU A28MKD CONNECTION CWA951294J CONNECTION 2JD514E3AA03 BLUE YELLOW 102Ω C R 1 022Ω YELLOW ORANGE 81Ω C S 2 142Ω YELLOW RED 108Ω Note Resistance at 20 C of ambient temperature Note Resistance at 25 C of ambient temperature ...

Page 30: ...or Characteristics 40 30 20 10 10 0 10 20 30 40 50 0 Pipe Temp Sensor Intake Air Temp Sensor 1 1 2 2 R59 Q07 c b e R13 R15 R14 R12 R43 R34 R01 R60 12V C39 C36 R31 C22 R74 R58 R51 JP01 R16 Q03 c b D S G Q04 c b e e Q02 c b e 5V FUSE301 T3 15A L250V RY PWR FAN MOTOR AC304 RED AC305 BLU AC303 WHT L P RECTIFICATION CIRCUIT 4 WAY VALVE CIRCUIT OUTDOOR FAN MOTOR CIRCUIT CN FB CN PCFM B 1 5 R Y W O BR M ...

Page 31: ...0 20 30 40 50 0 Pipe Temp Sensor Intake Air Temp Sensor 1 1 2 2 R59 Q07 c b e R13 R15 R14 R12 R43 R34 R01 R60 12V C39 C36 R31 C22 R74 R58 R51 JP01 R16 Q03 c b D S G Q04 c b e e Q02 c b e 5V FUSE301 T3 15A L250V RY PWR FAN MOTOR AC304 RED AC305 BLU AC303 WHT L P RECTIFICATION CIRCUIT 4 WAY VALVE CIRCUIT OUTDOOR FAN MOTOR CIRCUIT CN FB CN PCFM B 1 5 R Y W O BR M 1 1 2 3 FAN MOTOR CIRCUIT NOISE FILTE...

Page 32: ... 3 SET CLOCK RESET AIR SWING FAN SPEED FAN SPEED AIR SWING AUTO HEAT COOL DRY R40 C21 C02 R77 R78 R79 R72 R75 R62 5V_HS Q11 C45 R67 R76 C48 C42 R73 5 4 3 5 4 3 2 1 2 1 12V CN STM2 LEFT RIGHT STM 1 2 3 4 5 6 7 16 15 14 13 12 11 10 9 8 12V IC03 RY HOT SSR302 SW01 R37 R35 C01 5V 5 4 3 5 4 3 2 1 2 1 12V CN STM1 UP DOWN STM R05 R04 1 2 3 4 5 6 7 16 15 14 13 12 11 10 9 8 12V IC02 RY PWR FUSE301 T3 15A L...

Page 33: ...33 9 4 CS A28MKD CU A28MKD ...

Page 34: ...34 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board 10 1 1 1 CS A9MKD CS A12MKD ...

Page 35: ...35 10 1 1 2 CS A18MKD CS A24MKD CS A28MKD ...

Page 36: ...36 10 1 2 Indicator Printed Circuit Board 10 1 3 Receiver Printed Circuit Board 10 1 4 High Voltage Power Supply Printed Circuit Board 10 1 5 Comparator Printed Circuit Board ...

Page 37: ...37 10 1 6 Human Activity Sensor Printed Circuit Board ...

Page 38: ...ded installation height for indoor unit shall be at least 2 5 m 11 1 2 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...

Page 39: ...aligning the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with ø70mm hole core drill o Putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 128 mm for left and right hole respectively Another method is intersection point of arrow mark extension The meeting point of the extension arrow...

Page 40: ...1 2 3 Indoor Unit Installation 11 2 3 1 For the right rear piping 11 2 3 2 For the right and right bottom piping 11 2 3 3 For the embedded piping This can be used for left rear piping and bottom piping also ...

Page 41: ...oor unit shall be approved polychloroprene sheathed 5 x 1 5mm2 1 0 1 5HP or 5 x 2 5mm2 2 0 2 5HP flexible cord type designation 245 IEC 57 or heavier cord Secure the connecting cable onto the control board with the holder Ensure the colour of wires 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 the other...

Page 42: ... terminal Nos are the same to the indoor s respectively Earth wire shall be Yellow Green Y G in colour and longer than the other AC wires for safety reason 11 2 5 Wire Stripping And Connecting Requirement 11 2 5 1 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 are not removed gas leakage may be caused Turn the pip...

Page 43: ...tion of tube assembly 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 11 3 2 2 Connecting the piping to outdoor Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare aft...

Page 44: ...y ten minutes 4 Close the Low side valve of the charging set and turn off the vacuum pump Make sure that the needle in the gauge does not move after approximately five minutes Note BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID REFRIGERENT 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 valv...

Page 45: ...e power supply through Isolating Devices Disconnecting means Connecting approved type polychloroprene sheathed power supply cord 3 x 4 0mm2 3 0HP type designation 245 IEC 57 or heavier cord to the terminal board and connect the other end of the cord to Isolating Devices Disconnecting means 3 Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 6 x 1 5mm2...

Page 46: ...mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 6mm or above ...

Page 47: ...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 heating operation the compressor will stop running and restart as shown in below figure Fan speed Lo A9 12MK Fan speed Hi Me AUTO A9 12MK A18 24 28MK ...

Page 48: ...48 12 1 1 Heating Operation Time Diagram For CS A9MKD CU A9MKD and CS A12MKD CU A12MKD ...

Page 49: ...49 12 1 2 Heating Operation Time Diagram For CS A18MKD CU A18MKD CS A24MKD CU A24MKD and CS A28MKD CU A28MKD ...

Page 50: ...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 the compressor will stop and restart as shown in figure below 12 2 1 Cooling Operation Time Diagram For CS A9MKD CU A9MKD and CS A12MKD CU A12MKD ...

Page 51: ...51 12 2 2 Cooling Operation Time Diagram For CS A18MKD CU A18MKD CS A24MKD CU A24MKD and CS A28MKD CU A28MKD ...

Page 52: ... switched ON for a maximum 10 minutes then Soft Dry operation will be turn 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 figure below However after 3 minutes of compressor off during Soft Dry OFF within 6 minutes Soft Dry restart control the indoor unit will start to operate at normal Cooling mode if the intake tempera...

Page 53: ...53 12 3 2 Soft Dry Operation Time Diagram For CS A18MKD CU A18MKD CS A24MKD CU A24MKD and CS A28MKD CU A28MKD ...

Page 54: ... reach to set temperature Compressor keeps running eventhough after 1 hour from automatic operation mode started Standard for Determining Operation Mode 2nd Judgement onwards Next Mode Present Mode Judgement Cooling Soft Dry Heating Cooling 23 C Heating Cooling O Judgement 23 C Above Not Applicable O Judgement Below 23 C Soft Dry 20 C Heating Soft Dry Not Applicable O Judgement 20 C Above O Judgem...

Page 55: ... Chart Fan Speed rpm CS A9MKD CS A12MKD SHi 1080 1120 Hi 1040 1100 Me 870 950 HLo 770 840 CLo 730 800 Lo 690 760 SLo 670 740 SSLo 300 300 QSHi 1010 1050 QHi 970 1030 QMe 800 880 QHLo 700 770 QLo 660 730 Fan Speed rpm CS A18MKD CS A24MKD CS A28MKD SHi 1310 1530 1540 Hi 1240 1390 1500 Me 1140 1270 1380 HLo 1100 1230 1330 CLo 1040 1150 1250 Lo 850 940 1030 SLo 650 720 810 SSLo 300 300 300 QSHi 1220 1...

Page 56: ...i Me HLo CLo Lo SLo SSLo Stop Hi o Me o Manual Lo o Normal Auto o o o o Manual o Cooling Powerful Auto o Manual o o Dry Auto o o Hi o o o o o Me o o o o o Manual Lo o o o o o Normal Auto o o o o o o Manual o o o o o o o Heating Powerful Auto o o o o o o Normal Mode Judgment o QHi Hi 70 QMe Me 70 Manual QLo CLo 70 Cooling Quiet Auto Hi 70 Me 70 o o Manual o o Dry Quiet Auto o o QHi SHi 70 o o o o Q...

Page 57: ...o o Dry Auto o o Hi o o o o o Me o o o o o Manual Lo o o o o o Normal Auto o o o o o o Manual o o o o o o o Heating Powerful Auto o o o o o o Auto Mode Judgment o QHi Hi 90 QMe Me 90 Manual QLo CLo 90 Cooling Quiet Auto Hi 90 Me 90 o o Manual o o Dry Quiet Auto o o QHi SHi 100 o o o o QMe Me 90 o o o o Manual QLo HLo 170 o o o o Heating Quiet Auto Me 90 HLo 170 o o o o ...

Page 58: ...quid form returning to the compressor 5 After the compressor turned off 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 For the resume of compressor operation indoor fan will operate at Me fan speed to provide comfort and lesser noise environment after 70 seconds from the restarts of compress...

Page 59: ... and restarted If the fan motor error counter increased to 7 then air conditioner will stop operation 12 6 Outdoor Fan Speed Control There is only one speed for outdoor fan motor Applicable for CU A9MKD and CU A12MKD There is 2 speeds for outdoor fan motor Outdoor fan speed can be changed to Hi or Lo according to outdoor temperature Applicable for CU A18MKD CU A24MKD and CU A28MKD For Cooling and ...

Page 60: ... For CS A9MKD and CS A12MKD For CS A18MKD CS A24MKD and CS A28MKD Heating Operation Condition When the piping air temperature reaches 38 C the louver is changed from upper to lower limit When the piping air temperature falls 35 C the louver is changed from lower to upper limit For CS A9MKD and CS A12MKD Upper limit for cooling mode and soft dry mode 11 22 Closing position 135 Swing up and down Low...

Page 61: ...position Cooling and Soft Dry Operation Condition For CS A9MKD and CS A12MKD For CS A18MKD CS A24MKD and CS A28MKD Heating Operation Condition For CS A9MKD and CS A12MKD Closing position 135 Lower limit for cooling mode and soft dry mode Horizontal 11 16 27 21 33 Upper limit for cooling mode and soft dry mode Closing position 148 Lower limit for cooling mode and soft dry mode Horizontal 17 22 33 2...

Page 62: ...o 35 C the vanes will stop swing and rest at face front position For CS A9MK and CS A12MK For CS A18MK CS A24MK and CS A28MK 12 8 2 Manual Control When the horizontal airflow direction is set to Manual using the remote control the automatic airflow is released and the airflow direction vane move left and right in the range shown in the diagram The louver can be adjusted by pressing the button to t...

Page 63: ...ating Operation condition When Powerful operation is set the setting temperature will be automatically increased 3 C against the present setting temperature Higher temperature 30 C The Fan Speed will shift as shown below Vertical Airflow Direction o In Manual setting the vane will automatically shift down 5 lower than previous setting o In Auto setting the vane will automatically shift between upp...

Page 64: ...ation become severe at Quite Lo Cool therefore Quiet Lo cool operated only for 1 hour 30 minutes 1 hour QLo 30 minutes QLo 80rpm for A9MKD and A12MKD and Quiet Lo cool operated only 1 hour 30 minutes 1 hour QLo 30 minutes QLo 50 rpm for A18MKD A24MKD and A28MKD Manual Airflow Direction o RPM control during Lo cool For A9MKD and A12MKD For A18MKD A24MKD and A28MKD o RPM control during Hi Me cool Au...

Page 65: ...will reduce either around 2 dB Lo or 3 dB Hi Me against the present sound level operation Quiet setting of fan speed rpm refer to Indoor Fan Speed Control Manual Fan Speed o Rpm control during Lo Me Hi Cool Auto Fan Speed o Rpm control depends on the piping air temperature sensor of Indoor heat exchanger A9 12MK A18 24 28MK ...

Page 66: ...cel the previous timer setting press CANCEL button 3 To activate the previous timer setting press SET button 4 If main power supply is switched off the Timer setting will be cancel 12 12 Random Auto Restart Control If there is a power failure during operation the air conditioner will automatically restart after 3 to 4 minutes when the power is resumed It will start with previous operation mode and...

Page 67: ... ion button is pressed o When OFF Timer activates To disable the Patrol Operation during unit starts default with OFF ON button o Press Set button continuously for 15 seconds by using pointer during Air Conditioner is OFF condition to enter internal setting mode o Press Timer Decrement button to select Pt dFLt o Press Timer Set button to toggle Patrol operation default OFF ON Long beep Turn OFF Pa...

Page 68: ...er Set button LCD returned to original display after 2 seconds 4 LCD returned to original display if remote control does not operate for 30 seconds e ion Control o e ion operation starts condition When dirtiness at level 2 Patrol LED turns red 2 minutes after stabilization time Patrol LED turns red 4 hours at level 0 Patrol LED turns red o e ion operation time If dirtiness level improves from leve...

Page 69: ...wn error OFF OFF OFF Blinking Blinking 5 During Test Mode OFF OFF OFF OFF OFF 6 During stop OFF OFF OFF OFF OFF 7 2 minutes gas sensor initial stabilization time Level 0 ON OFF OFF OFF OFF a Dirtiness level 0 ON OFF OFF OFF OFF a 1 Dirtiness level 1 shift to 0 OFF ON for 10 min OFF ON for 10 min OFF b Dirtiness level 1 OFF ON OFF ON OFF 8 During patrol operation c Dirtiness level 2 OFF OFF ON ON O...

Page 70: ...o mode SET SET Transmit Patrol default OFF ON code Buzzer OFF Long Beep ON Short Beep Press continously for 15s SET Transmit Patrol demo code Buzzer OFF Long Beep ON Short Beep SET Transmit ECO demo code Buzzer OFF Long Beep ON Short Beep SET Transmit check code Buzzer Short Beep o The Patrol indicator change color every 10 seconds follows the pattern below for demo purpose BLUE 10 seconds 10 seco...

Page 71: ...r e ion operation switches from SHi to Hi after 4 hours of operation Airflow direction control o During any operation mode combines with e ion operation airflow direction follows respective operation mode o During e ion individual operation only Auto Air Swing is allowed Even if Air Swing button is pressed no signal is sent to air conditioner and no change on LCD display Timer control o When ON ti...

Page 72: ...ing pointer to enter internal setting mode Press Timer Decrement button to select CHC Confirm setting by pressing Timer Set button a beep sound will be heard SET SET Transmit Patrol default OFF ON code Buzzer OFF Long Beep ON Short Beep Press continously for 15s SET Transmit Patrol demo code Buzzer OFF Long Beep ON Short Beep SET Transmit ECO demo code Buzzer OFF Long Beep ON Short Beep SET Transm...

Page 73: ...ill shows immediately despite the 24 times counter Troubleshooting Method Press PATROL e ion button or OFF ON button to stop the operation and check the Active e ion Air Purifying system main connector to PCB After that press e ion button again to confirm the e ion indicator not blinking The 24 times counter will be clear after 10 minutes of normal operation or when operation stops Error Reset Met...

Page 74: ...hen POWERFUL or QUIET operation activates When button is pressed ECO NAVI start condition When ECO NAVI button is pressed ECO NAVI stop conditions When ECO NAVI button is pressed again When unit is OFF by OFF ON button When unit is OFF when OFF TIMER activates When unit is OFF by AUTO OFF ON button at indoor unit When POWERFUL or QUIET operation activates When button is pressed AUTO COMFORT ECO NA...

Page 75: ...latively less Non Living Area near windows wall etc 12 16 4 Human Position Analysis According to Area of Living frequency of activity and indoor unit intake temperature the system will analyze the human position away from the indoor unit 12 16 5 Target Area and Position Judgment The system will judge the indoor unit installation position according to human activity Non Living Area Non Living Area ...

Page 76: ...er Activity level 8 seconds 1 level Lower Activity level 30 seconds Higher Activity level 8 seconds Heating 2 levels Lower Activity level 60 seconds When 3 activity areas have been detected according to Human Activity Level the timing of horizontal airflow louver steps at the targeted activity areas is judged Operation Mode Activity level Louver stop time Hi 45 seconds Me 30 seconds Cooling Lo 20 ...

Page 77: ...de Buzzer peep Remote control normal mode To disable ECO Demo MODE Transmit ECO Demo signal again Transmit Patrol Demo signal Operation details Infrared Sensor Human Activity Indicator Sensor 1 Sensor 2 Left Center Right Vane Position Fan Speed 1 0 5 HI 1 1 Auto Swing HI 0 1 1 HI 0 0 Auto Swing LO The target area will maintain for 5 seconds before changeover to next detection If no activity detect...

Page 78: ...F ECO NAVI 12 16 11 Infrared Sensor Check Mode To enable Infrared sensor abnormality check mode SET SET Transmit Patrol default OFF ON code Buzzer OFF peep ON peep Press continously for 15s SET Transmit Patrol demo code Buzzer OFF peep ON peep SET Transmit ECO demo code Buzzer OFF peep ON peep SET Transmit check code Buzzer peep Remote control normal mode VARIOUS SETTING mode During ECO NAVI AUTO ...

Page 79: ... 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 oil run in a full cycle and return back to the outdoor unit 13 4 Starting Current Control When the compressor outdoor fan motor and indoor fan motor are simu...

Page 80: ...s more than 25 C o Fan speed is not set at CLo or QLo o Select Powerful operation 13 8 30 Minutes Time Save Control The compressor will start automatically if it has stopped for 30 minutes and the intake air temperature falls between the compressor OFF temperature and compressor ON temperature during the period This is to maintain the room temperature as set Despite of this it is to prevent a wron...

Page 81: ...erature over 34 C or maximum 240 seconds hot start is completed During hot start and for 30 seconds after hot start completed intake thermostat is ignored and no Thermo OFF 13 13 Cold Draft Prevention Control This operation is to prevent the Cold Draft during Heating mode operation The operation will start when compressor OFF Thermo OFF during Heating operation For the first 30 sec from compressor...

Page 82: ...ue to overload protection control is accumulated up to 60 minutes and after compressor starts for 1 minutes deice starts Deice ends when 1 12 minutes after deicing operation starts 2 TRS senses the outdoor piping temperature rises to 4 C TRS OPEN Deice will not end immediately as time delay Td is valid as shown below Time taken from deicing starts to TRS OPEN T Deice recovery time Td seconds T 1 m...

Page 83: ...83 Normal Deice Time Diagram Overload Deice Time Diagram ...

Page 84: ...itioner 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 oil run in a full cycle and return back to t...

Page 85: ...ver will be changed as table below o The angle of vertical louver will be changed as table below Dew prevention stop condition o Remote control setting temperature is more than 25 C o Fan speed is not set to Lo or QLo o Select Powerful operation For 13 22 to 13 23 information applies only to Heating Operation 13 22 Restart Control Time Delay Safety Control When the thermo off temperature temperatu...

Page 86: ... Time Delay Safety Control is activated before the compressor restart 13 25 4 Way Valve Control 4 way valve always on during Heating operation except 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 sound for being occur 13 26 Hot Start Control Hot start ...

Page 87: ...uring compressor is in operation deice will start There is no detection during Outdoor Fan stops Overload Deice During heating operation if the outdoor Fan OFF duration due to overload protection control is accumulated up to 60 minutes and after compressor starts for 1 minute deice starts Deice ends when a 12 minutes after deicing operation starts b The outdoor piping temperature rises to about 12...

Page 88: ...88 a Normal Deice Time Diagram b Overload Deice Time Diagram ...

Page 89: ...eration i 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 ii Remote Control Number Switch There are 4 types of remote control transmission code could be selected a...

Page 90: ...elect sensitivity 1 Low sensitivity 2 Standard Default 3 Hi sensitivity o Confirm setting by pressing Timer Set button a beep sound will be heard LCD returns to original display after 2 seconds o LCD returns to original display if remote control does not operate for 30 seconds 14 2 2 RESET RC To clear and restore the remote control setting to factory default o Press once to clear the memory 14 2 3...

Page 91: ...on 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 on the right Normal Pressure and Outlet Air Temperature Standard Gas Pressure Mpa kg cm 2 G Outlet air Temperature C Cooling Mode 0 4 0 6 4 6 12 16 Heating Mode 1 5 2 1 15 21 36 45 Condition Indoor fan speed High Ou...

Page 92: ...ted 15 1 2 Diagnosis methods of a malfunction of a compressor and 4 way Valve 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 C to 90 C The different between high pressure and low pressure becomes almost zero Locked compress...

Page 93: ...apacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 16 1 CS A9MKD CS A12MKD 16 1 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 16 1 1 1 To remove front grille Figure 1 16 1 1 2 To remove power electronic controller Figure 2 ...

Page 94: ...94 Figure 3 Figure 4 16 1 1 3 To remove discharge grille Figure 5 ...

Page 95: ...95 16 1 1 4 To remove control board Figure 6 16 1 1 5 To remove cross flow fan and indoor fan motor Figure 7 Figure 8 ...

Page 96: ...96 Figure 9 Figure 10 ...

Page 97: ...ed sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks 16 2 CS A18MKD CS A24MKD CS A28MKD 16 2 1 Indoor Electronic Controllers Cross Flow Fan and Indoor Fan Motor Removal Procedures 16 2 1 1 To remove front grille Figure 11 16 2 1 2 To remove horizontal vane Figure 12 ...

Page 98: ...98 16 2 1 3 To remove power electronic controller Figure 13 Figure 14 Figure 15 ...

Page 99: ...99 16 2 1 4 To remove discharge grille Figure 16 16 2 1 5 To remove control board Figure 17 16 2 1 6 To remove cross flow fan and indoor fan motor Figure 18 ...

Page 100: ...100 Figure 19 Figure 20 Figure 21 ...

Page 101: ...101 17 Technical Data 17 1 Thermostat Characteristics ...

Page 102: ...102 17 2 Operation Characteristics 17 2 1 CS A9MKD CU A9MKD Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 7 5m ...

Page 103: ...103 Piping Length Characteristic o Room temperature 27 C DBT 19 C WBT o Outdoor temperature 35 C DBT 24 C WBT o Operation condition High fan speed ...

Page 104: ...104 Heating Characteristic o Room temperature 20 C o Operation condition High fan speed o Piping length 7 5m ...

Page 105: ...105 Piping Length Characteristic o Room temperature 20 C o Outdoor temperature 7 C DBT 6 C WBT o Operation condition High fan speed ...

Page 106: ...106 17 2 2 CS A12MKD CU A12MKD Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 7 5m ...

Page 107: ...107 Piping Length Characteristic o Room temperature 27 C DBT 19 C WBT o Outdoor temperature 35 C DBT 24 C WBT o Operation condition High fan speed ...

Page 108: ...108 Heating Characteristic o Room temperature 20 C o Operation condition High fan speed o Piping length 7 5m ...

Page 109: ...109 Piping Length Characteristic o Room temperature 20 C DBT o Outdoor temperature 7 C DBT 6 C WBT o Operation condition High fan speed ...

Page 110: ...110 17 2 3 CS A18MKD CU A18MKD Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 111: ...111 Piping Length Characteristic o Room temperature 27 C DBT 19 C WBT o Outdoor temperature 35 C DBT 24 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 112: ...112 Heating Characteristic o Room temperature 20 C DBT o Operation condition High fan speed o Piping length 5m ...

Page 113: ...113 Piping Length Characteristic o Room temperature 20 C DBT o Outdoor temperature 7 C DBT 6 C WBT o Operation condition High fan speed Rated Frequency o Piping length 5m ...

Page 114: ...114 17 2 4 CS A24MKD CU A24MKD Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 115: ...115 Piping Length Characteristic o Room temperature 27 C DBT 19 C WBT o Outdoor temperature 35 C DBT 24 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 116: ...116 Heating Characteristic o Room temperature 20 C DBT o Operation condition High fan speed o Piping length 5m ...

Page 117: ...117 Piping Length Characteristic o Room temperature 20 C DBT o Outdoor temperature 7 C DBT 6 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 118: ...118 17 2 5 CS A28MKD CU A28MKD Cooling Characteristic o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 119: ...119 Piping Length Characteristic o Room temperature 27 C DBT 19 C WBT o Outdoor temperature 35 C DBT 24 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 120: ...120 Heating Characteristic o Room temperature 20 C DBT o Operation condition High fan speed o Piping length 5m ...

Page 121: ...121 Piping Length Characteristic o Room temperature 20 C DBT o Outdoor temperature 7 C DBT 6 C WBT o Operation condition High fan speed o Piping length 5m ...

Page 122: ...ew and Replacement Parts List 18 1 Indoor Unit 18 1 1 CS A9MKD CS A12MKD 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 123: ...PLETE ECO 1 CWA50C2758 23 ELECTRONIC CONTROLLER ECO SENSOR L 1 CWA745791 23a ELECTRONIC CONTROLLER ECO SENSOR R 1 CWA746206 24 ELECTRONIC CONTROLLER COMPARATOR 1 CWA746205 25 LEAD WIRE PCB ECO 1 CWA67C9160 26 CONTROL BOARD CASING FOR PCB ECO 1 CWD93C1108 28 DISCHARGE GRILLE COMPLETE 1 CWE20C3123 29 VERTICAL VANE 11 CWE241350 30 CONNECTING BAR 1 CWE261152 31 CONNECTING BAR 1 CWE261216 32 CONNECTING...

Page 124: ...768 53 INSTALLATION INSTRUCTION 1 CWF614769 54 COVER FOR RECEIVER UPPER 1 CWD933022 55 COVER FOR RECEIVER BOTTOM 1 CWD933209 56 POWER SUPPLY CORD 1 CWA20C2827 57 INSTALLATION INSTRUCTION 1 CWF614770 Note All parts are supplied from PHAAM Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 125: ...125 18 1 2 CS A18MKD CS A24MKD CS A28MKD 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 126: ...NDICATOR HOLDER 1 CWD933021 23 SENSOR COMPLETE 1 CWA50C2401 CWA50C2782 24 SENSOR COMPLETE ECO 1 CWA50C2759 O 25 ELECTRONIC CONTROLLER ECO SENSOR L 1 CWA745791 O 26 ELECTRONIC CONTROLLER ECO SENSOR R 1 CWA746206 O 27 ELECTRONIC CONTROLLER COMPARATOR 1 CWA746205 O 28 LEAD WIRE PCB ECO 1 CWA67C9218 29 CONTROL BOARD CASING FOR PCB ECO 1 CWD93C1108 30 DISCHARGE GRILLE COMPLETE 1 CWE20C3124 31 VERTICAL ...

Page 127: ...1 CWF567875 55 INSTALLATION INSTRUCTION 1 CWF614767 56 INSTALLATION INSTRUCTION 1 CWF614768 57 INSTALLATION INSTRUCTION 1 CWF614769 58 POWER SUPPLY CORD 1 CWA20C2829 CWA20C2836 59 INSTALLATION INSTRUCTION 1 CWF614770 Note All parts are supplied from PHAAM Malaysia Vendor Code 00029488 O marked parts are recommended to be kept in stock ...

Page 128: ...128 18 2 Outdoor Unit 18 2 1 CU A9MKD 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 129: ...RE 1 CWA67C6142 20 TERMINAL COVER 1 CWH171011 21 NUT TERMINAL COVER 1 CWH7080300J 22 SOUND PROOF BOARD 1 CWH151074 23 TERMINAL BOARD ASS Y 1 CWA28K1034J 24 CAPACITOR COM 1 F0GAH306A004 O 25 HOLDER CAPACITOR 1 CWH301035 26 CAPACITOR F M 1 DS441205NPQA O 27 CABINET SIDE PLATE 1 CWE041110A 28 CABINET SIDE PLATE COMPLETE 1 CWE04C1042 29 CABINET FRONT PLATE ASS Y 1 CWE06K1048 30 CABINET TOP PLATE 1 CWE...

Page 130: ...130 18 2 2 CU A12MKD 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 131: ...00J 22 SOUND PROOF BOARD 1 CWH151023 23 TERMINAL BOARD ASS Y 1 CWA28K1034J 24 CAPACITOR COM 1 F0GAH306A004 O 25 HOLDER CAPACITOR 1 CWH30060 26 CAPACITOR F M 1 DS441205NPQA O 27 CABINET SIDE PLATE 1 CWE041248A 28 CABINET SIDE PLATE COMPLETE 1 CWE04C1118 29 CABINET FRONT PLATE ASS Y 1 CWE06K1034 30 CABINET TOP PLATE 1 CWE031014A 31 CONTROL BOARD COVER COMPLETE 1 CWH13C1064 33 4 WAY VALVE 1 CWB001026...

Page 132: ...132 18 2 3 CU A18MKD CU A24MKD 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 133: ...ALVE GAS 1 CWB011212 O 18 TERMINAL COVER 1 CWH171012 19 NUT TERMINAL COVER 1 CWH7080300J 20 CONTROL BOARD 1 CWH102206 21 CAPACITOR F M 1 DS441355NPQA O 22 CAPACITOR COM 1 CWA312079 O 23 HOLDER CAPACITOR 1 CWH30060 24 TERMINAL BOARD ASS Y 1 CWA28K1070J 25 CABINET SIDE PLATE L 1 CWE041255A 26 HANDLE 1 CWE161010 27 CABINET SIDE PLATE R 1 CWE041083A 28 HANDLE 2 CWE16000E 29 CABINET FRONT PLATE ASS Y 1...

Page 134: ...134 18 2 4 CU A28MKD 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 135: ...M 1 DS441355NPQA O 22 CAPACITOR COMP 1 DS441606CPNA O 23 HOLDER CAPACITOR 1 CWH30071 24 TERMINAL BOARD ASSY 1 CWA28K1058J 25 CABINET SIDE PLATE L 1 CWE041082A 26 HANDLE 1 CWE161010 27 CABINET SIDE PLATE R 1 CWE041100A 28 HANDLE 2 CWE16000E 29 CABINET FRONT PLATE CO 1 CWE06K1045 31 CABINET TOP PLATE 1 CWE03K1011A 32 CONTROL BOARD COVER BOTTOM 1 CWH131168 33 CONTROL BOARD COVER TOP 1 CWH131169A 34 S...

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