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22 Electronic Circuit Diagram

SCHEMATIC DIAGRAM 1/3

R35

330

R37

R39

R38

R36

(MX-9)

A54LNK3171B

A54LNK2172B

ECONOMY

(PH-6)

STEPPING MOTOR DRIVE

REMOTE CONTROL NO.

SHORT

OPEN

OFF/ON

TIMER

SLEEP

POWERFUL

10 7

12 5

11 6

CN-STM

(MX-5)

(ZH5)

AIR TEMP. SENSOR
(15k 3950)

(20k 3950)

PIPE TEMP. SENSOR

R32

102k

RECEIVER

INDICATOR

CN-DISP

(PH4)

IC5

A52A2003GR2

RX1

24k

R30

26.1k

R31

10k

R28

JX2

SW1

5.1k

R16

R17

0.01

C19

16V

C15

–

15k

R26

R27

20k

–

C16

16V

(MX-3)

PH302C

330

0.01

VCC2

OUT

VCC1

GND

IN-

IN+

6.3V

–

137k

CN-RCV1

CN-DISP

SW1

RX1

CN-TH

MAIN

GRN

ORG

GRN

R29

24k

0.01

C17

TEST

10k

BZ1

R23

AIR SWING

MOTOR

Fig.1

OPEN

• CS-C75KE / CU-C75KE
• CS-C95KE / CU-C95KE
• CS-C125KE / CU-C125KE

CS-C75KE CU-C75KE / CS-C95KE CU-C95KE / CS-C125KE CU-C125KE

Содержание CS-C125KE

Страница 1: ...hd 183914D All rights reserved Unauthorized copying and distribution is a violation of law CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE 12 Servicing Information 65 13 Troubleshooting Guide 69 14 Technical Data 71 15 Exploded View 74 16 Replacement Parts List 75 17 Exploded View 76 18 Replacement Parts List 77 19 Exploded View 78 20 Replacement Parts List 79 21 Electronic Parts List 80 2...

Страница 2: ... bacteria and viruses trapped Deodorizing Air Purifying Filter Remove unpleasant odors from the air Quality Improvement Gas leakage protection Prevent compressor reverse cycle 2 stage OLP to protect compressor Noise prevention during soft dry operation Service Improvement Easy fan motor replacement procedure Operation Improvement Economy mode to reduce electrical power consumption Powerful mode to...

Страница 3: ... j k High Speed lllll AUTOFAN Automatic Fan Speed 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 SWING AUTO Automatic Airflow Direction Control MANUAL Airflow Direction Manual Control Powerful Mode Operation OFF ON POWERFUL Economy Mode Operation...

Страница 4: ... continuously for 5s or 10s to operate Test Run Pump down Beep sound will be heard at the 5th second Used when test running or servicing Press continuously for 10s and above to omit or resume the remote control signal receiving sound Beep beep sound will be heard at the 10th second AUTO OFF ON Operation Indication Lamps LED POWER Green Lights up in operation blinks in Automatic Operation Mode judg...

Страница 5: ...th remote control stop signal 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 Inner protector CU C75KE CU C95KE CU C125KE 5 CS C75KE CU C...

Страница 6: ...nion 3 8 L Half Union 1 4 G 3 way valve 3 8 L 2 way valve 1 4 Pipe Size Flare piping inch inch G gas side 3 8 L liquid side 1 4 G gas side 3 8 L liquid side 1 4 Drain Hose Inner diameter mm 12 Length m 0 7 Power Cord Length Number of core wire m 2 0 3 1 0 mm2 Dimensions Height inch mm 10 31 32 279 18 29 32 480 Width inch mm 31 15 32 799 30 23 32 780 Depth inch mm 7 27 32 199 9 21 32 245 Net Weight...

Страница 7: ...c c SUNISO 4GDID or ATMOS M60 260 Refrigerant R 22 g oz 645 22 8 Thermostat Electronic Control Protection Device 2 Stage Overload Protector Capillary Tube Length mm 450 Flow Rate l min 7 9 Inner Diameter mm 1 2 Air Filter Material Style c c P P Honeycomb Capacity Control Capillary Tube Compressor Capacitor µF VAC 20 µF 370VAC Fan Motor Capacitor µF VAC 1 5 µF 400VAC 1 2 µF 400VAC Specifications ar...

Страница 8: ...alf Union 1 4 G 3 way valve 3 8 L 2 way valve 1 4 Pipe Size Flare piping inch inch G gas side 3 8 L liquid side 1 4 G gas side 3 8 L liquid side 1 4 Drain Hose Inner diameter mm 12 Length m 0 7 Power Cord Length Number of core wire m 2 0 3 1 0 mm2 Dimensions Height inch mm 10 31 32 279 18 29 32 480 Width inch mm 31 15 32 799 30 23 32 780 Depth inch mm 7 27 32 199 9 21 32 245 Net Weight lb kg 20 9 ...

Страница 9: ... c SUNISO 4GDID or ATMOS M60 320 Refrigerant R 22 g oz 760 26 8 Thermostat Electronic Control Protection Device 2 Stage Overload Protector Capillary Tube Length mm 1 040 Flow Rate l min 9 0 Inner Diameter mm 1 5 Air Filter Material Style c c P P Honeycomb Capacity Control Capillary Tube Compressor Capacitor µF VAC 30 µF 370VAC Fan Motor Capacitor µF VAC 1 5 µF 400VAC 1 2 µF 400VAC Specifications a...

Страница 10: ...alf Union 1 4 G 3 way valve 1 2 L 2 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 diameter mm 12 Length m 0 7 Power Cord Length Number of core wire m 2 0 3 1 0 mm2 Dimensions Height inch mm 10 31 32 279 21 1 4 540 Width inch mm 31 15 32 799 27 17 32 699 Depth inch mm 7 27 32 199 11 7 32 285 Net Weight lb kg 20 9 0 ...

Страница 11: ... c SUNISO 4GDID or ATMOS M60 410 Refrigerant R 22 g oz 815 28 8 Thermostat Electronic Control Protection Device 2 Stage Overload Protector Capillary Tube Length mm 535 Flow Rate l min 17 0 Inner Diameter mm 1 7 Air Filter Material Style c c P P Honeycomb Capacity Control Capillary Tube Compressor Capacitor µF VAC 30 µF 370VAC Fan Motor Capacitor µF VAC 1 5 µF 400VAC 1 5 µF 400VAC Specifications ar...

Страница 12: ...4 Dimensions 12 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 13: ...13 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 14: ...5 Refrigeration Cycle Diagram 14 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 15: ...6 Block Diagram 15 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 16: ... 3 Ω 61 2 Ω ORANGE WHITE 42 7 Ω 19 7 Ω 25 3 Ω WHITE RED 111 4 Ω 115 3 Ω 142 5 Ω Resistance of Outdoor Fan Motor Windings MODEL CU C75KE CU C95KE CU C125KE CONNECTION CWA951040 CWA951071 BLUE YELLOW 363 7 Ω 258 0 Ω YELLOW RED 529 6 Ω 363 7 Ω Resistance of Compressor Windings MODEL CU C75KE CU C95KE CU C125KE CONNECTION 2RS110D5CA04 2PS146D5BA04 2KS224D5CA02 C R 5 382 Ω 3 941 Ω 2 211 Ω C S 5 328 Ω 3...

Страница 17: ...hen the Remote Control is turned ON 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 stopped for 7 minutes even if the room temperature is between the compressor ON temperature and OFF temperature When the compressor outdoor fan motor and indoor fan motor are simultaneously st...

Страница 18: ...oling Operation Time Diagram When Automatic Fan Speed is selected at Remote Control during cooling operation Fan speed rotates in the range of Hi to Me Deodorizing Control 18 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 19: ...FF Once Soft Dry operation is 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 Control for Cooling Mode operation For Soft Dry region 6 minutes waiting is valid during compressor stops Same as Compressor Reverse Rotation Protection Control for Coolin...

Страница 20: ...Soft Dry Operation Time Diagram 20 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 21: ...o fan speed for 20 seconds After judging indoor air temperature the operation mode is determined and operation continued at the mode determined After the operation mode has been determined the mode does not change However Soft Dry mode operation includes Cooling mode operation Room temperature adjustment The following are added to the setting temperature specified as above The mode judging tempera...

Страница 22: ...y swing up and down However the lower limit will be shifted 10 downward Powerful Mode will operate for 15 minutes only Powerful Mode will stop if Powerful mode button is pressed again Stopped by ON OFF switch Timer OFF activates Economy mode button is pressed Sleep mode is pressed Operation mode button is changed 8 7 Economy Mode Operation Purpose of this operation is to save or reduced electrical...

Страница 23: ... Blade position Auto Restart Control is not available when Timer or Sleep Mode is set This control can be omitted by open the circuit of JX1 Refer Circuit Diagram 8 9 Indoor Fan Speed Control Auto Fan Speed Control When set to Auto Fan Speed the fan speed is adjusted between maximum and minimum setting as shown in the table Manual Fan Speed Control Basic fan speed adjustment 3 settings from Lo to ...

Страница 24: ...anged from lower limit to upper limit 8 11 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 nearly to the set temperature by the desired time For Cooling and Soft Dry mode the operation will start 15 minutes before the set time For Automatic mode the indoor fan will operate at Lo...

Страница 25: ...s classified 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 death or serious injury This room air conditioner must be earthed Improper grounding could cause electric shock Do not install the unit in a place where there may be explosive gas leaks Ga...

Страница 26: ...t operate with 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 repair by yourself Do not exposed directly to cool air for a long period Do not insert finger or other objects into the indoor or outdoor units 26 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU...

Страница 27: ...anything on the outdoor unit Ventilate the room regularly Pay attention as to whether the installation rack is damaged due to long period of usage 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 Switch off the power supply before cleaning it 27 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C1...

Страница 28: ...Horizontal 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 panel is opened Front Panel Auto Operation Button POWER ECONOMY POWERFUL SLEEP TIMER Air Purifying Filter Air Filters Tab for Front Panel 28 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C1...

Страница 29: ...ication Sticker Remote Control Holder Outdoor Unit Accessories Connecting cable Piping Air Intake Vents Air Outlet Vents Side Rear Ground Terminal Inside Cover Drain Hose Air Purifying Filters Catechin Air Purifying Filters and Deodorizing Filters 29 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 30: ...O HI DRY AUTO 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 Operation Button Manual Airflow Direction Selection Button Time Setting Button Operation Display Economy Mode Operation Button Clock Button Auto Airflow Direction Button Operation Mode Selection Bu...

Страница 31: ... or drop Do 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 memory Aim at the signal receptor POWER ECONOMY POWERFUL SLEEP TIMER 31 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 32: ...lowing conditions Indoor Unit If the unit is not going to be used for an extended period of time turn off the main Power supply If it is left at the ON position approximately 2 5 W of electricity will be used even if the 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...

Страница 33: ...eries if the 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 flashing PM Setting the clock About the batteries Set the current time Clock immediately to prevent battery exhaustion flashes lights up lights up Remote Control Inserting batteries AIR SWIN...

Страница 34: ...ly Switch to Soft Dry when setting temperature is reached Cooling Operation DRY COOL COOL Soft Dry Operation 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 select the desired operation mode When pressed the display changes in this order 2 Press to start th...

Страница 35: ... this range Louver adjustment range Press to select Fan speed The display changes in this order Automatic Low Medium High Selecting Vertical Airflow Direction Press AUTO The louver swing up and down automatically To stop this operation press MANUAL button Press MANUAL Manual selection of Vertical Airflow Direction Louver The display changes in this order Horizontal Airflow Direction Adjust it manu...

Страница 36: ... TIMER or OFF TIMER then press CANCEL 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 is to allow the room temperature to reach the setting temperature by the setting time maximum of 15 minutes in advance Once the ON Timer is set operation will star...

Страница 37: ...Set the time 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 time at which you will return with the ON TIMER This will make the temperature pleasant when you return and it will prevent the air conditioner from being left on Timer details The current ...

Страница 38: ...ep Mode Operation time is 8 hours When used together with the timer the timer has priority Cooling or Soft Dry Operation for sleep mode movement will start to avoid overcooling Operation details This is to obtain a comfortable room temperature while sleeping Sleep Mode Time Approx 0 5 C increase Setting temperature Temperature Sleep Operation button is pressed Sleep shift operation starts 0 1 hour...

Страница 39: ...e setting temperature quickly Press POWERFUL Powerful indicator Orange on indoor unit lights up Powerful mode will operate for 15 minutes only To cancel this operation press once more Temperature 3 C lower than set temp Temperature 0 5 C higher than set temp Economy and Powerful operation cannot be selected simultaneously The changes of the temperature and airflow volume are automatic The remote c...

Страница 40: ...4 If badly 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 The front panel can be removed and cleaned with water 1 Open the front grille and remove the two air filters Hold the tab lift up slightly then pull down Thinner Benzene POWER ECONOMY POWERF...

Страница 41: ...POWERFUL SLEEP 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 unit after removing the front panel Removing the front panel Fixing the front panel 1 Raise the front panel horizontally match the protruding portion on the indoor unit to the fulcrum and push ...

Страница 42: ...tioner operates 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 of bacteria and viruses Press here Removing the air purifying filters Reinstalling the air purifying filters 1 Open the filter frame to insert the new filters Deodorizing Filter Black in co...

Страница 43: ...s of the indoor unit operate the unit for 2 3 hours using operation 2Turn off the power switch and remove the power supply plug Note If the unit is not switched off by the remote control it will start operating when you plug in because a Auto Restart Control is provided 3Remove the remote control batteries The unit will become dirty after use over several seasons reducing performance Depending on ...

Страница 44: ...ain the operation will recommence Q Air conditioner has been restarted but does not operate for 3 minutes A This is to protect the air conditioner Wait until the air conditioner begins operating Q It seems that fog is coming out from the air conditioner A Condensation occurs when the airflow from the air conditioner cools the room air Q A sound like water flowing can be heard A This is the sound o...

Страница 45: ...es or buttons 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 conditioner does not cool effectively Has the temperature been set incorrectly Are the filters dirty Are the intake or outlet vents of the outdoor unit obstructed Are all windows and doors ...

Страница 46: ...ing Sound Note 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 is for Servicing purpose only Auto Restart Control If power is resumed after a power failure the operation will restart automatically after 3 5 1 2 minutes Operation will be automatically re...

Страница 47: ... air outlet vents Otherwise it will lower the cooling performance Keep All Doors and Windows Closed Prevent hot air from coming in and the loss of cool air Setting Temperature Set the temperature 1 C higher than actually desired Approximately 10 of electricity costs can be saved Air Filter and Air Purifying Filter Clean the air filter every 2 weeks and change the Air Purifying Filter every 3 month...

Страница 48: ... PLUG FROM THE SUPPLY SOCKET WHEN NOT IN USE WHERE SUPPLY CONNECTION IS VIA MAINS PLUG Airborne noise A weighted sound pressure level of this appliance is less than 70dB A under the JIS C 9612 test conditions Maximum cooling operation 1 m from the unit IMPORTANT The wires in this mains lead are coloured in accordance with the following code Green and Yellow Earth Blue Neutral Brown Live As the col...

Страница 49: ...is 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 s weight If the strength is not enough or installatio...

Страница 50: ... 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 16A power plug with earth pin for the connection to the receptacle 2 Power supply connection to a circuit breaker for the permanent connection Use an app...

Страница 51: ...n 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 circuit of the discharged air If piping length is...

Страница 52: ...lly by aligning 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 arrows marked on the lower left and right side of the installation plate The meeting point of the extended line is the centre of the hole Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outd...

Страница 53: ...3 For the embedded piping This can be used for left rear piping and left bottom piping also 53 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 54: ...or unit and 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 the cord from the anchorage Secure the cable onto the control board with the holder clamper INSTALLATION OF AIR PURIFYING FILTERS 1 Open the front panel 2 Remove the air filters 3 Hold the pu...

Страница 55: ...ll occur at the 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 OUTDOOR UNIT After selecting the best location start installation according to Indoor outdoor Unit Installation Diagram 1 Fix the unit on concrete or rigid frame firmly and horizontally...

Страница 56: ... 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 caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage CAUTION If gauge needle does not move from 0 cmHg 0 MPa to 76 cmHg 0 1 MPa in step 3 above take the following measure If the leak stops when the pip...

Страница 57: ...a main impedence less than the following CS C125KE CU C125KE 0 31Ω CHECK ITEMS Is there any gas leakage at flare nut connections Has the heat insulation been carried out at flare nut connection Is the indoor outdoor connecting cable 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 p...

Страница 58: ...stallation 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 With vacuum pump Gas charging Open Open Open Servicing With charging cylinder Pressure check Open Servicing Open Open Connected manifold gauge Gas releasing Open Servicing Open Open Connected...

Страница 59: ...five minutes 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 malfunction 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port cap at a torque of 18 N m with a torque wrench 7 Remove ...

Страница 60: ...oner at the 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 B Simply press the pumping down button if it is equipped So that the unit can be operated 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up ...

Страница 61: ...he pipes and 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 refrigeration pipes it will affect the compressor reduce to cooling capacity and could lead to a malfunction 7 Tighten the service port cap at a torque of 18 N m with a torque wrench 8 Rem...

Страница 62: ...charge the 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 MPa 1 kg cm2 G discharge the refrigerant until the gauge indicates 0 05 MPa 0 5 km cm2 G to 0 1 MPa 1 kg cm2 G If this is the case it will not be necessary to apply a evacuation Discharge t...

Страница 63: ...Hg vacuum of 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 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed 11 5 Evacuation 63 CS C75KE CU C75KE CS C95KE CU C95KE CS C12...

Страница 64: ...cycle however 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 from the gas side absolutely do no attempt to charge with large amount of liquid refrigerant while operating the air conditioner 4 Immediately disconnect the charge hose from the 3 way valve s...

Страница 65: ...l 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 Remove th...

Страница 66: ...rticular piece that holding the fan motor by pressing the tab Fig 4 Remove the discharge grille and then the drain hose Fig 4 Finally remove the fan motor by removing the screw Fig 5 REMINDER To reinstall the fan motor adjust the connector of the fan motor as Fig 5 Fig 4 Fig 5 66 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 67: ... 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 the bearing Fig 7 5 Push up the evaporator and take out the cross flow Fan Fig 7 Fig 6 Fig 7 67 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 68: ...screwdriver 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 controls add a jumper wire to the remote control side J B and a carbon resistor 1 4 W 10kΩ to the indoor printed circuit board RX1 it is possible to select from 2 types of transmission codes ...

Страница 69: ... 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 69 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 70: ...e fifteen minutes after an operation is started 13 1 2 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 pressure becomes ...

Страница 71: ... SHC IP TC SHC IP 17 0 C 1 98 1 50 0 50 1 85 1 44 0 54 1 72 1 39 0 58 1 57 1 32 0 63 19 0 C 2 00 0 55 19 5 C 2 18 1 57 0 51 2 04 1 51 0 55 1 89 1 46 0 59 1 72 1 39 0 64 22 0 C 2 37 1 63 0 52 2 22 1 57 0 56 2 06 1 51 0 60 1 88 1 44 0 65 230V 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 73 2 07 0 73 2 55 1 98 0 79 2 37 1 91 0 84 2 16 1 81 0 91 19 0...

Страница 72: ...2 53 1 25 2 86 2 40 1 35 19 0 C 3 65 1 19 19 5 C 3 97 2 87 1 11 3 72 2 76 1 19 3 46 2 66 1 28 3 14 2 53 1 38 22 0 C 4 33 2 98 1 13 4 05 2 87 1 22 3 77 2 76 1 30 3 42 2 64 1 40 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 3 49 2 65 1 05 3 26 2 54 1 13 3 03 2 44 1 21 2 76 2 32 1 31 19 0 C 3 52 1 15 19 5 C 3 83 2 77 1 07 3 58 2 66 1 15 3 33 2 56 ...

Страница 73: ...73 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 74: ...d View 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 74 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 75: ...22 POWER SUPPLY CORD 1 CWA20C2102 23 ELECTRONIC CONTROLLER 1 CWA742323 0 24 RECEIVER 1 CWA74919 0 25 INDICATOR COMPLETE 1 CWE39C1024 26 LEAD WIRE INDICATOR 1 CWA67C2105 0 27 TERMINAL BOARD 1 CWA28C2028 CWA28C2027 0 28 INDICATOR HOLDER 1 CWD931018 29 TEMPERATURE SENSOR 1 CWA50C608 0 30 CONTROL BOARD FRONT COVER 1 CWH13456 31 CONTROL BOARD TOP COVER 1 CWH13457 32 REMOTE CONTROL COMPLETE 1 CWA75C2079...

Страница 76: ...d View 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 76 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 77: ... 3 WAY VALVE 1 CWB01438 0 15 2 WAY VALVE 1 CWB02277 0 16 SOUND PROOF MATERIAL 1 CWG302067 CWG302088 17 SOUND PROOF BOARD 1 CWH15266 18 L SHAPED PLATE 1 CWD60247 19 OVERLOAD PROPECTOR 1 CWA12343 CWA12344 0 20 HOLDER O L P 1 CWH7041200 21 TERMINAL COVER 1 CWH171011 22 NUT TERMINAL COVER 1 CWH7080300 23 CONTROL BOARD 1 CWH102081 24 TERMINAL BOARD ASS Y 1 CWA28K217 25 CAPACITOR COMPRESSOR 1 CWA31645 2...

Страница 78: ...d View 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 78 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 79: ...SOUND PROOF MATERIAL 1 CWG302075 17 WIRE NET 1 CWD04197A 18 AIR GUIDER PROPELLER FAN 1 CWD31138 19 OVERLOAD PROTECTOR 1 CWA12352 0 20 HOLDER O L P 1 CWH7041200 21 TERMINAL COVER 1 CWH171011 22 NUT TERMINAL COVER 1 CWH7080300 23 CONTROL BOARD 1 CWH10972 24 TERMINAL BOARD ASS Y 1 CWA28K217 25 CAPACITOR COMPRESSOR 1 CWA31647 30µF 370V 0 26 HOLDER CAPACITOR 1 CWH30057 27 CAPACITOR FAN MOTOR 1 CWA31604...

Страница 80: ...RCUIT A52C114 Q1 TRANSISTOR A55DC114EKTX Q2 Q3 TRANSISTOR A55C2412KTX Q4 TRANSISTOR A55D1484K Q5 Q8 TRANSISTOR A55DC143XKTX RY PWR ELECTRO MAGNETIC RELAY A001001 RY SHi RY Hi RY M ELECTRO MAGNETIC RELAY A00160 SSR1 SSR2 TYRISTOR A56G3MC202PL SW3 PUSH SWITCH A01059 T1 TRANSFORMER A401022 X1 RESONATOR A45CST4 09MG ZD1 DIODE A54D7 5MT1B ZNR1 ZNR2 ZNR3 DIODE ERZVEAV511 C FM SH CAPACITOR A31698 CR1 CR2...

Страница 81: ...TOR a b c d CN DISP 1 2 3 4 5 6 9 8 3 14 2 15 1 16 4 13 PH4 2 1 1 3 IC5 A52A2003GR2 RX1 24k R30 26 1k R31 10k R28 JX2 SW1 5 1k R16 1k R17 0 01µ C19 16V 10µ C15 15k R26 R27 20k C16 10µ 16V MX 3 PH302C 330 0 01µ 0 01µ FO VCC2 OUT VCC1 GND CO IN IN 47µ 6 3V 137k 5 6 7 8 4 3 2 1 CN RCV1 2 CN DISP 8 7 6 5 4 3 2 1 SW1 RX1 CN TH 1 2 3 4 MAIN GRN ORG ORG ORG GRN R29 24k 0 01µ C17 TEST R8 1k R9 10k BZ1 BZ ...

Страница 82: ...z 27pF X 2 R41 10k C22 10µ 0 01µ C23 16V A438LM31A02T L1 16V C19 0 01µ 10µ C18 b e 2 2k R22 D1 RY PWR ERA15 01 c R21 6 2k 2SD148 4X Q4 IC2 5 6 8 3 1 RS D6 D1 R B CS SK 4 Vcc GND 2 7 C14 0 1µ A52BR9020F JX1 R24 10k c b e 10k 4 7k Q7 A55DC143XKTX Q6 4 7k 10k e b c S1VD20 DB1 DC114EKTX Q1 4 7k 10k e b c 0 1µ C4 5 1k R1 1 0k R3 50V 1µ C5 T1 5 10 6 3 RY PWR DRIVE RELAY DRIVE POWER CLOCK GENERATOR RELAY...

Страница 83: ...TE RED MOTOR FAN CN FM 7 6 5 4 3 2 1 3 2 BLUE GREEN CN C 1 VH 3 CN FUSE1 2 1 RY PWR FUSE 2A AC WHT 511U ZNR2 SSR1 A56W2DEH1 5 RY SHI RY H CR1 0 022µ RY M 511U ZNR1 CR2 CR3 CR4 120 120 0 022µ 120 0 022µ 120 0 022µ 1 2 CN FUSE2 102 C FUSE THERMAL 1 5µ 400V AC C FM 3 15A FUSE BLUE FAN MOTOR YELLOW CAPACITOR RED BLUE COMPRESSOR CAPACITOR BLUE BLUE RED YELLOW GRY OVER LOAD 1 2 PROTECTOR REGULATOR REGUL...

Страница 84: ...84 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 85: ...Mode Judgement 20 sec 0 sec Soft 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 Soft Dry 180 sec 18 sec 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 Intake Air Anti Freezing Prevention 16 min 96 sec Powerful Mode 15...

Страница 86: ...22 1 REMOTE CONTROL 86 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 87: ...22 2 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD TOP VIEW 87 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 88: ...22 3 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD BOTTOM VIEW 88 S C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE ...

Страница 89: ...89 CS C75KE CU C75KE CS C95KE CU C95KE CS C125KE CU C125KE MACC Printed in Malaysia ...

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