background image

  • 

Inspection points for the Indoor Electronic Controller

 1. The Electronic Controller, a signal Receiver and an

Indicator (Fig. 2) can be seen by the below steps:

  − 

Remove the 2 caps and 2 screws at the bottom of
the front grille. (Fig. 1)

  − 

Remove the front grille by releasing the 2 hooks at
the top of the front grille. (Fig. 1)

  − 

Remove the control board cover by releasing the 2
tabs at left, 1 tab on top and 2 more tabs at right side
of the control board cover. (Fig. 1)

 2. To remove the Electronic Controller, release the hook

that holding the electronic controller. (Fig. 2)

  • 

Indoor Fan Motor removal procedure:-

 1. Remove the control board by:-

  − 

Releasing CN-C (GRN) connector. (Fig. 2)

  − 

Releasing CN-FM (GRN) connector. (Fig. 2)

  − 

Releasing CN-STM connector. (Fig. 2)

  − 

Remove the earth wire screw. (Fig. 2)

  − 

Release the intake air sensor. (Fig. 2)

  − 

Release the piping sensor. (Fig. 2)

  − 

Unhook and release the terminal board. (Fig. 3)

  − 

Remove the right and left screws. (Fig. 3)

  − 

Then remove the control board by pressing down the
hook at the left and press up the right hook. (Fig. 3)

 2. Remove the Fan Motor by:-

  − 

Release the Fan motor leadwire by pressing the
hook at the center of the connector. (Fig. 4)

  − 

Then remove the particular piece that holding the
fan motor by pressing the tab. (Fig. 4)

  − 

Remove the discharge grille and then the drain
hose. (Fig. 4)

Fig. 1

Fig. 2

Fig. 3

Fig. 4

12 Servicing Information

74

CS-MA95KE CU-MA185KE / CS-MA125KE CU-MA245KE / CS-MA75KE / CS-MA125KE CU-MA195KE

Содержание CS-MA95KE

Страница 1: ...l rights reserved Unauthorized copying and distribution is a violation of law CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE 12 Servicing Information 74 13 Troubleshooting...

Страница 2: ...Prevent the growth of bacteria and viruses trapped Deodorizing Air Purifying Filter Remove unpleasant odors from the air Quality Improvement Gas leakage protection Prevent compressor reverse cycle 2 s...

Страница 3: ...Airflow Direction Control 24 hour OFF ON Real Timer Setting ON TIMER OFF TIMER Timer Operation Selection SET CANCEL Timer Operation Set Cancel ON Timer and OFF Timer setting and cancellation CLOCK AIR...

Страница 4: ...peration Mode Heating Cooling Soft Dry and Automatic Mode Powerful Operation Reaches the desired room temperature quickly Time Delay Safety Control Restarting is inhibited for appro 3 minutes Starting...

Страница 5: ...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 C and above and restarts...

Страница 6: ...39 Noise Level dB A Low 26 26 29 29 Cooling High 47 45 49 48 51 50 Heating High 36 35 39 39 Heating High 49 47 49 48 52 51 Low 26 26 29 29 Electrical Data Input W Cooling 660 600 1 250 1 220 Heating...

Страница 7: ...Plate fin configuration forced draft 2 14 2 14 1 18 2 19 FPI 18 21 19 16 Size W H L mm 614 294 25 4 856 457 2 22 706 2 482 6 44 669 9 Refrigerant Control Device Capillary Tube Refrigeration Oil c c SU...

Страница 8: ...ng High 49 48 52 51 Heating High 39 39 Low 26 26 Heating High 49 47 52 50 Electrical Data Input W Cooling 1 unit 940 890 2 units 940 2 890 2 Heating 1 unit 950 880 2 units 950 2 880 2 Running Current...

Страница 9: ...ed Fin Row Stage Plate fin configuration forced draft 2 14 1 18 FPI 18 19 Size W H L mm 614 294 25 4 856 457 2 22 Refrigerant Control Device Capillary Tube Refrigeration Oil c c SUNISO 4GDID or ATMOS...

Страница 10: ...gh 49 48 52 51 Heating High 39 39 Low 29 29 Heating High 49 48 52 51 Electrical Data Input kW Cooling 1 unit 1 25 1 22 2 units 1 25 2 1 22 2 Heating 1 unit 1 28 1 23 2 units 1 28 2 1 23 2 Running Curr...

Страница 11: ...configuration forced draft 2 14 2 19 FPI 21 16 Size W H L mm 614 294 25 4 706 2 482 6 44 669 9 Refrigerant Control Device Capillary Tube Refrigeration Oil c c SUNISO 4GDID or ATMOS M60 430 2 Refriger...

Страница 12: ...4 Dimensions 12 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 13: ...13 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 14: ...5 Refrigeration Cycle Diagram 14 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 15: ...6 Block Diagram 15 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 16: ...56 7 ORANGE WHITE 51 5 56 9 WHITE RED 240 8 102 0 Resistance of Outdoor Fan Motor Windings MODEL CU MA185KE CU MA245KE CONNECTION CWA95245 CWA95245 BLUE YELLOW 260 5 260 5 YELLOW RED 446 0 446 0 Resi...

Страница 17: ...1 68 2 BROWN ORANGE 64 7 56 7 ORANGE WHITE 15 7 56 9 WHITE RED 116 2 102 0 Resistance of Outdoor Fan Motor Windings MODEL CU MA195KE CONNECTION CWA95245 BLUE YELLOW 260 5 YELLOW RED 446 0 Resistance o...

Страница 18: ...turned ON by Remote Control When the setting temperature is reached during cooling operation the compressor stops and it will not start for 3 minutes The compressor will start automatically if it has...

Страница 19: ...ol is valid If the above phenomenon is repeated for 3 times the compressor will stops The above phenomenon is reset when there is a change to heating mode or stopped by Remote Control Switch When Auto...

Страница 20: ...Cooling Operation Time Diagram 20 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 21: ...s turned off it stops for 6 minutes Once the compressor stops it will not start for 3 minutes during Cooling operation Same as Starting Current Control for Cooling Mode operation Same as Anti Freezing...

Страница 22: ...Soft Dry Operation Time Diagram 22 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 23: ...door heat exchanger temperature falls to 49 C If the indoor heat exchanger becomes 65 C or more the compressor will stop and restart automatically Time Delay Safety Control 4 minutes waiting If the co...

Страница 24: ...rst 30 sec from compressor OFF Thermo OFF Indoor fan speed will operate accordingly to the Indoor heat exchanger temperature as shown below Note SSLo Fan will be running at Lo speed with Indoor heat e...

Страница 25: ...ected at Remote Control during heating operation Fan speed rotates in the range of Me Lo according to the heat exchanger temperature If use Manual Fan Speed at above diagram will operate with setting...

Страница 26: ...ion due to overload control is accumulated up to 60 minutes and after compressor starts for 1 minutes deicing starts Deicing ends when 1 12 minutes after deicing operation starts 2 TRS senses the outd...

Страница 27: ...Normal Deicing Time Diagram Overload Deicing Time Diagram 27 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 28: ...t Judgement Next Mode Mode Cooling Soft Dry Heating O O Cooling 23 C Cooling Judgement Not Applicable Judgement Heating 23 C Above Below 23 C O O Soft Dry 20 C Soft Dry Not Applicable Judgement Judgem...

Страница 29: ...1 Refer Circuit Diagram 8 7 Delay ON Timer Control When the Delayed ON Timer is set by using the remote control the unit will start operate slightly before the set time so that the room will reach nea...

Страница 30: ...p Shift O Manual O Economy Auto Fan Speed O Sleep Shift O Normal Manual O O SOFT Powerful Auto Fan Speed O O DRY Economy Sleep Shift O Hi O O O Normal Manual Me O O O Lo O O O Auto Fan Speed O O O O H...

Страница 31: ...take air temp falls to 35 C the louver is changed from lower to upper limit The louver can be selected between 14 36 as shown above when pressing Manual Airflow Direction Selection Button The louver c...

Страница 32: ...w Direction In Manual or Auto setting the vane will automatically change to Auto Air Swing 2 Heating Mode When the Economy Mode is set the temperature will be automatically decreased 0 5 C against the...

Страница 33: ...werful Mode is set the set temperature will be automatically increased 3 C against the present setting temperature The Fan Speed will shift as shown below Vertical Airflow Direction In Manual setting...

Страница 34: ...d as follows The instructions to be followed are classified by the following symbols Warning Caution This symbol with a white background denotes an action that is PROHIBITED Warning This sign warns of...

Страница 35: ...ith wet hands Operation Precautions Use specified power cord Do not damage or modify the power cord If abnormal condition burnt smell etc occurs switch off and unplug the power supply OFF Do not repai...

Страница 36: ...the outdoor unit Ventilate the room regularly Caution This sign warns of injury Do not pull the cord to disconnect the plug Switch off the power supply if the unit is not used for a long period OFF S...

Страница 37: ...Airflow Direction Louver Manually adjusted Economy Powerful Indicators Economy Green Powerful Orange POWER ECONOMY POWERFUL SLEEP TIMER POWER ECONOMY POWERFUL SLEEP TIMER Front Panel When the front pa...

Страница 38: ...ing Filters Remote Control Remote Control Indication Sticker POWERFUL TEMP OFF ON COOL AUTO Remote Control Holder CU MA195KE Air Intake Vents Side Piping Ground Terminal Inside Cover Air Outlet Vents...

Страница 39: ...UTO AUTO ON AUTO FAN AIR SWING AM PM OFF AM PM MODE ECONOMY FAN SPEED AUTO MANUAL ON OFF SET CANCEL SLEEP Timer Set Button ON TIMER Button OFF TIMER Button Timer Cancellation Button Sleep Mode Operati...

Страница 40: ...o not get it wet Certain type of flourescent lamps may affect signal reception Consult your dealer Signal receptor Signal received sound One short beep or one long beep Reset points short to clear the...

Страница 41: ...indoor unit has been turned off with the remote control If operation is stopped then restart immediately the unit will resume operation only after 3 minutes POWER ECONOMY POWERFUL SLEEP TIMER 1 Connec...

Страница 42: ...e unit is not going to be used for a long period lights up PM PM 1 OPEN Slide the cover to open 2 Be sure the directions are correct Open the remote control cover and confirm the display 12 00 PM is f...

Страница 43: ...eration A very gentle Cooling Operation Consisting primarily of dehumidifying It does not lower the room temperature During Soft Dry operation the indoor fan operates at Low fan speed DRY 1 Press to s...

Страница 44: ...display changes in this order Horizontal Airflow Direction Adjust it manually POWER ECONOMY POWERFUL SLEEP TIMER AIR SWING TIMER CLOCK 1 2 3 COOL AUTO FAN MODE ECONOMY FAN SPEED AUTO MANUAL ON OFF SET...

Страница 45: ...The timer indicator on the indoor unit will go off To change the setting time follow the above steps AM ON Timer details When the ON Timer is set operation will start before the actual set time This...

Страница 46: ...me at which you will come back with the ON TIMER This will prevent the air conditioner from being left on while you are out and the temperature will be pleasant when you return When you return Set the...

Страница 47: ...hile sleeping Sleep Mode Temperature Approx 8 hours after sleep shift operation starts stops automatically Sleep shift operation starts Approx 2 C decrease Approx 3 C decrease Time 0 1 hour 1 hour Set...

Страница 48: ...ation press once more Economy and Powerful operation cannot be selected simultaneously The changes of the temperature and airflow volume are automatic The remote control display remain unchanged If sl...

Страница 49: ...soiled wash it with soap or a mild household detergent Cleaning the Indoor Unit and Remote Control Wipe gently with a soft dry cloth Do not clean with water hotter than 40 C or with polishing fluids T...

Страница 50: ...LEEP TIMER Do not leave water on the panel after cleaning Dry thoroughly to prevent electric shock Stand on a level surface when removing the front panel Do not touch the metal parts in the indoor uni...

Страница 51: ...ates with dirty filters Air is not purified Cooling capacity decreases Foul odours are emitted Note Catechin is natural brown element The filter is coated with catechin in order to prevent the growth...

Страница 52: ...indoor unit operate the unit for 2 3 hours using operation with 30 C setting temperature 2Turn off the power supply and remove the power supply plug Note If the unit is not switched off by the remote...

Страница 53: ...the room Q Operation stops for about 12 minutes during heating The operation lamp blinks A This is to melt the frost which has accumulated on the outdoor unit defrosting operation This will take no lo...

Страница 54: ...do not operate properly The circuit breaker switches off frequently Abnormal noise is heard during operation Water leaks from the indoor unit Abnormal Operation Call the Dealer Immediately The air co...

Страница 55: ...ote If you press this button continuously for 5 to 10 seconds Test Run operation will be performed A beep sound will be heard at the fifth seconds to identify the starting of Test Run operation This i...

Страница 56: ...g performance Keep All Doors and Windows Closed Otherwise cooling and heating performance will be reduced and electricity costs is wasted Setting Temperature Set the temperature 1 C higher Cooling ope...

Страница 57: ...ECTION IS VIA MAINS PLUG Airborne noise A weighted sound pressure level of this appliance is less than 70 dB A under the JIS C 9612 test conditions Maximum cooling operation 1 m from the unit IMPORTAN...

Страница 58: ...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...

Страница 59: ...ccess 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...

Страница 60: ...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 spac...

Страница 61: ...ning the marking off line with the 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 i...

Страница 62: ...3 For the embedded piping This can be used for left rear piping and left bottom piping also 62 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 63: ...the terminal 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 th...

Страница 64: ...e tenth sec in order to indicate the ON OFF change over of remote control receiving sound 10 3 OUTDOOR UNIT 10 3 1 SELECT THE BEST LOCATION Refer to Select the best location section 10 3 2 INSTALL THE...

Страница 65: ...e from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at torque of 18 N m with a torque wrench 7 Remove the valve caps of both of the 2...

Страница 66: ...re Measure the temperature of the intake and discharge air Ensure the difference between the intake temperature and the discharge is more than 8 C NOTE These equipment shall be connected to a suitable...

Страница 67: ...Operation Open Open Closed With valve cap With valve cap With cap Pumping down Closed Open Open Transferring Clockwise Counter Clockwise Connected manifold gauge Evacuation Open Open Open Servicing Wi...

Страница 68: ...es BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID GAS LEAKAGE If air remain in the indoor unit and refrigeration pipes it will affect the compressor reduce to cooling capacity and could lead to a ma...

Страница 69: ...cooling cycle and stop it when the gauge indicates 0 MPa 0 kg cm2 G If the unit cannot be operated at the cooling condition weather is rather cool short the Pumping Down pins on the Main Control P C...

Страница 70: ...d indoor unit with gas refrigerant from 3 way valve service port and then discharge the refrigerant until low side gas side gauge needle indicates 0 3 MPa 3 kg cm2 If air remain in the indoor unit and...

Страница 71: ...refrigerant until the gauge indicates 0 05 MPa 0 5 kg cm2 G to 0 1 MPa 1 kg cm2 G If there is no air in the refrigeration cycle the pressure when the air conditioner is not running is higher than 0 1...

Страница 72: ...f 4 mmHg or less 3 Close the valve Low 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 Disco...

Страница 73: ...er one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin This is different from previous procedures Because you are charging with liquid refrigerant fro...

Страница 74: ...he control board by Releasing CN C GRN connector Fig 2 Releasing CN FM GRN connector Fig 2 Releasing CN STM connector Fig 2 Remove the earth wire screw Fig 2 Release the intake air sensor Fig 2 Releas...

Страница 75: ...move the control board and the fan motor by referring to the Indoor Fan Motor Removal Procedure 2 Remove the evaporator screw Fig 6 3 Press the particular piece to loosen the evaporator Fig 7 4 Remove...

Страница 76: ...it will return to normal Changing the wireless remote control transmission code When two indoor units are installed in the same room in order to prevent operating errors caused by using two remote con...

Страница 77: ...roblem 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...

Страница 78: ...y 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 compressor bec...

Страница 79: ...14 Technical Data 79 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 80: ...1 91 1 11 220V Outdoor Temp C Indoor wet bulb temp 30 35 40 46 TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0 C 2 58 1 96 0 82 2 41 1 88 0 88 2 24 1 80 0 94 2 04 1 71 1 01 19 0 C 2 60 0 89 19 5 C 2 83 2...

Страница 81: ...81 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 82: ...82 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 83: ...83 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 84: ...The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts 84 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE C...

Страница 85: ...CONTROL BOARD 1 CWH10965 CWH10965 22 POWER SUPPLY CORD 1 CWA20C2102 23 ELECTRONIC CONTROLLER 1 CWA742320 CWA742327 CWA742313 0 24 RECEIVER 1 CWA74919 0 25 INDICATOR COMPLETE 1 CWE39C1024 0 26 LEAD WI...

Страница 86: ...The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts 86 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE C...

Страница 87: ...CWH34033 24 NUT TERMINAL COVER 2 CWH7080300 25 SOUND PROOF MATERIAL 1 CWG30779 26 SOUND PROOF MATERIAL 1 CWG302073 27 CONTROL BOARD 1 CWH10881 CWH10878 28 TERMINAL BOARD ASS Y 1 CWA28C500 CWA28C502 29...

Страница 88: ...The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts 88 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE C...

Страница 89: ...PROOF MATERIAL 2 CWG30786 27 CONTROL BOARD 2 CWH10881 CWH10878 28 TERMINAL BOARD ASS Y 2 CWA28C501 CWA28C502 29 CAPACITOR COMPRESSOR 2 CWA31646 CWA31647 0 30 HOLDER CAPACITOR 2 CWH30057 31 CAPACITOR F...

Страница 90: ...IT A52C114 Q1 TRANSISTOR A55DC114EKTX Q2 Q3 TRANSISTOR A55C2412KTX Q4 TRANSISTOR A55D1484K Q5 Q8 TRANSISTOR A55DC143XKTX RY HOT ELECTRO MAGNETIC RELAY A00161 RY PWR ELECTRO MAGNETIC RELAY A001001 RY S...

Страница 91: ...PH4 1 3 IC5 A52A2003GR2 RX1 24k R30 26 1k R31 10k R28 JX2 SW1 5 1k R16 1k R17 0 01 C11 16V 10 C15 15k R26 R27 20k C16 10 16V PH3 PH302C 330 0 01 0 01 FO VCC2 OUT VCC1 GND CO IN IN 47 6 3V 137k 5 6 7...

Страница 92: ...3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 29 28 27 26 25 30 P50 P51 P52 P53 P54 P55 P56 P57 Vss0 VDD0 P30 P31 P32 P33 P34 P35 P47...

Страница 93: ...30V 4 3 2 1 A54MA723TA D2 10k R42 10 C20 51k R43 0 01 C21 A54MA165TA5 D3 FM BLU RED HOT ZNR2 CR1 CWA59015 RY HOT CWA00161 SSR2 16V 1 3 CN FUSE2 TEMPERATURE FUSE 102 C 2 2 1 2 3 4 TERMINAL BLACK BLACK...

Страница 94: ...94 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 95: ...4 sec Cooling 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...

Страница 96: ...22 1 REMOTE CONTROL 96 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 97: ...22 2 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD TOP VIEW 97 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE...

Страница 98: ...22 3 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD BOTTOM VIEW 98 CS MA95KE CU MA185KE CS MA125KE CU MA245KE CS MA75KE CS MA125KE CU MA195KE MACC Printed in Malaysia...

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