Panasonic CS-E7GKEW Service Manual Download Page 57

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15.2.1.5

Error Code Table

Diagnosis

Display

Abnormality / Protection control

Abnormality

Judgment

Emergency

operation

Primary location to verify

Note

H11

Indoor/Outdoor abnormal
communication

> 1 min after starting

operation

Indoor fan

operation only

(single type only)

•

Internal/external cable connections

•

Indoor/outdoor PCB

H12

Indoor unit capacity unmatched

•

Indoor unit total capacity

Multi only

H14

Intake air temperature unmatched

•

Intake air temperature sensor

(defective or disconnected)

H16 Outdoor

Current

Transformer

•

Decreased amount of refrigerant

•

Outdoor PCB

H19

Indoor fan motor mechanism lock

•

Fan motor

•

Indoor PCB

H23

Indoor heat exchanger temperature
sensor

Continue for 5 sec

•

Heat exchanger temperature sensor

(defective or disconnected)

H27

Outdoor air temperature sensor

Continue for 5 sec

○

(Single type only)

•

Outdoor air temperature sensor

(defective or disconnected)

H28

Outdoor heat exchanger temperature
sensor 1

Continue for 5 sec

○

(Single type only)

•

Outdoor heat exchanger temperature

sensor (defective or disconnected)

H30

Outdoor discharge pipe temperature
sensor

Continue for 5 sec

•

Outdoor discharge pipe temperature

sensor (defective or disconnected)

H32

Outdoor heat exchanger temperature
sensor 2 (discharge pipe temp)

Continue for 5 sec

•

Outdoor heat exchanger temperature

sensor (defective or disconnected)

Multi only

H34

Outdoor heatsink temperature sensor
at Control Board

Continue for 2 sec

•

Outdoor heatsink temperature sensor

at control board (defective or
disconnected)

Multi only

H36

Outdoor gas pipe temperature sensor

Continue for 2 sec

•

Outdoor gas pipe temperature sensor

(defective or disconnected)

Multi only

H37

Outdoor liquid pipe temperature
sensor

Continue for 2 sec

•

Outdoor liquid pipe temperature

sensor (defective or disconnected)

Multi only

H39

Abnormal indoor operating unit or
standby units

- -

•

Piping connection error

•

Indoor/outdoor connection cable

connection error

Multi only

H41

Abnormal wiring or piping connection

•

Wiring or piping connection

CU-

2E15GBE

H97

Outdoor fan motor mechanism lock

•

Outdoor Fan Motor

H98

Indoor high pressure protection

•

Air filter dirty

•

Air circulation short circuit

H99

Indoor heat exchanger freeze
prevention

- -

•

Insufficient refrigerant

•

Air filter dirty

F11

Cooling/heating cycle changeover
abnormality

4 times occurrences

within 30 minutes

•

4-way valve

•

V-coil

F17

Indoor standby unit freezing

•

Outdoor expansion valve leakage

•

Indoor unit pipe temperature sensor

F90

PFC circuit protection

•

Outdoor PCB

•

Outdoor fan motor

F91

Refrigerant cycle abnormality

2 times occurrences

within 20 minutes

•

No refrigerant (3-way valve is closed)

F93

Outdoor compressor abnormal
revolution

4 times occurrences

within 20 minutes

•

Compressor

F95

Cooling high pressure protection

4 times occurrences

within 20 minutes

•

Outdoor refrigerant cycle

F96

IPM (power transistor) overheating
protection

- -

•

Express refrigerant

•

Improper heat radiation

•

Outdoor PCB

F97

Outdoor compressor overheating
protection

4 times occurrences

within 10 minutes

•

Insufficient refrigerant

•

Compressor

F98

Total running current protection

3 times occurrences

within 20 minutes

•

Excess refrigerant

•

Improper heat radiation

F99

Outdoor Direct Current (DC) peak
detection

7 times occurrences

•

Outdoor PCB

•

Compressor

Note:
“

○

” – Frequency measured and fan speed fixed.

Summary of Contents for CS-E7GKEW

Page 1: ...e could result in serious injury or death WARNING In order to avoid frostbite be assured of the refrigerant leakage during the installation or repairing of refrigeration circuit PRECAUTION OF LOW TEMPERATURE Please file and use this manual together with the service manual for Model No CU 2E18CBPG CU 3E23CBPG CU 4E27CBPG Order No RAC0209005C2 Model No CU 3E18EBE Order No RAC0503011C2 and Model No C...

Page 2: ...ntrol 34 13 1 Simultaneous Operation Control 34 13 2 Basic function 35 13 3 Protection Control for All Operations 48 14 Servicing Mode 52 14 1 Auto OFF ON Button 52 14 2 Select Remote Control Transmission Code 53 14 3 Remote Control Button 53 15 Troubleshooting Guide 54 15 1 Refrigeration cycle system 54 15 2 Breakdown self diagnosis function 55 16 Disassembly and Assembly Instructions 58 16 1 Ind...

Page 3: ...erly done the set will drop and cause injury 4 Install at a strong and firm location which is able to withstand the set s weight If the strength is not enough or installation is not properly done the set will drop and cause injury 5 For electrical work follow the local national wiring standard regulation and the installation instruction An independent circuit and single outlet must be used If elec...

Page 4: ...asy maintenance 2 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 this room air conditioner to the power supply is prohibited i Power supply...

Page 5: ... 1 430 C 11 7 410 H 11 5 410 Height mm inch 280 11 1 32 275 10 13 16 Width mm inch 799 31 15 32 998 39 9 32 Dimension Depth mm inch 183 7 7 32 230 9 1 16 Net Weight kg lbs 9 20 10 22 Gas mm inch 9 52 3 8 12 7 1 2 Pipe Diameter Liquid mm inch 6 35 1 4 6 35 1 4 Inner diameter mm 16 12 Drain Hose Length mm 650 650 Type Cross flow fan Material ASG20K1 Motor Type Transistor 8 pole Input power W Fan Out...

Page 6: ...00 Air Circulation Type Propeller Fan Motor Type DC Brushless 8 poles Rated Output 40 Fan Speed Low RPM 690 High RPM 860 Heat Exchanger Type Plate fin configuration forced draft type Tube Material Copper Fin Material Aluminum Row Stage 2 20 FPI 19 Air Volume High Cooling Heating 33 3 28 5 Refrigerant Control Device Expansion Valve Refrigerant Oil POE RB 68A Refrigerant R410A g 1450 Indoor unit com...

Page 7: ...kW 1 room maximum pipe length m 20 20 25 25 25 Allowable elevation m 10 10 15 15 15 Total allowable pipe length m 30 30 50 50 70 Total pip e length for maximum chargeless length m 20 20 30 30 40 Piping length Additional gas amount over chargeless length m 20 20 20 20 20 Note Available Remarks for CU 2E15GBE CU 2E18CBPG 1 At least two indoor units must be connected 2 The total nominal cooling capac...

Page 8: ...8 4 Location of Controls and Components 4 1 Indoor Unit 4 1 1 CS E7GKEW CS E9GKEW CS E12GKEW CS E15GKEW CS E7GKDW CS E9GKDW CS E12GKDW CS E15GKDW 4 1 2 CS E18GKEW CS E18GKDW ...

Page 9: ...9 4 2 Outdoor Unit 4 2 1 CU 2E15GBE 4 3 Remote Control 4 3 1 CS E7GKEW CS E9GKEW CS E12GKEW CS E15GKEW CS E7GKDW CS E9GKDW CS E12GKDW CS E15GKDW 4 3 2 CS E18GKEW CS E18GKDW ...

Page 10: ...10 5 Dimensions 5 1 Indoor Unit Remote Control 5 1 1 CS E7GKEW CS E9GKEW CS E12GKEW CS E15GKEW CS E7GKDW CS E9GKDW CS E12GKDW CS E15GKDW ...

Page 11: ...11 5 1 2 CS E18GKEW CS E18GKDW ...

Page 12: ...12 5 2 Outdoor Unit 5 2 1 CU 2E15GBE ...

Page 13: ... side pipe Ø 9 52 mm 3 8 INDOOR A INDOOR B Silencer 3 way valve 3 way valve 3 way valve Silencer Expansion valve A Expansion valve B Capillary tube Silencer Dryer Capillary tube 4 way Valve Heat Exchanger Condenser Compressor Heat Exchanger Evaporator Heat Exchanger Evaporator OUTDOOR sensor ...

Page 14: ...Block Diagram COMP FM SC FUSE 3 15A R Y C HOT CT R Y A C NOISEFI L TE R PTC3 PTC2 R Y PW R REAC T O R R Y HO T FUSE 20A FUSE 5A AC230V 50Hz TO INDOOR UN I TA OUTDOOR UN I T TO INDOOR UN I TB L N １２３１２３ ...

Page 15: ... TEMP SENSOR 1 AIR TEMP SENSOR 1 COMPLETE ELECTRONIC CONTROLLER CN DISPLAY YLW ELECTRONIC CONTROLLER DISPLAY ELECTRONIC CONTROLLER DISPLAY CN DISP RECEIVER WIRELESS REMOTE CONTROL GAS SENSOR CN TH CN CLN C309 LF301 ZNR301 CN DATA1 YLW CN DATA1 C313 C314 FUSE01 T3 15A L250V AC306 BLK BL TERMINAL BOARD COMPLETE 1 L TO OUTDOOR UNIT THERMAL FUSE 102 C 3A 2 N 3 R W G AC304 WHT G301 GRN AC303 WHT R320 R...

Page 16: ...AY YLW ELECTRONIC CONTROLLER DISPLAY ELECTRONIC CONTROLLER DISPLAY CN DISP RECEIVER WIRELESS REMOTE CONTROL GAS SENSOR CN TH CN CLN C309 LF301 ZNR301 CN DATA1 YLW CN DATA1 C313 C314 FUSE01 T3 15A L250V AC306 BLK BL TERMINAL BOARD COMPLETE 1 L TO OUTDOOR UNIT THERMAL FUSE 102 C 3A 2 N 3 R W G AC304 WHT G301 GRN AC303 WHT R320 R327 R308 PC302 R313 ZD302 ZD301 R329 R328 D301 C317 R338 GENERATOR COMPL...

Page 17: ...0Hz SINGLE PHASE TO INDOOR UNIT B TO INDOOR UNIT A WH WH BL R BL WH EXP VALVE SENSOR DIS PIPE TEMP SENSOR PIPE TEMP SENSOR PIPE TEMP SENSOR PIPE TEMP SENSOR S COND TEMP SENSOR AIR TEMP P N B GR BL Y R OR EXP VALVE B GR BL Y R OR RY HOT BL BL HOT2 BLACK HOT1 BLACK CT RY AC RY PWR PTC2 PTC3 GRY1 GRAY FM1 RED FG1 GREEN CN DC WHITE AC2 BLACK AC1 BLACK DATA2 BROWN CONNECTOR WHITE BL BL BL BL CONNECTOR ...

Page 18: ...18 9 Electronic Circuit Diagram 9 1 Indoor Unit 9 1 1 CS E7GKEW CS E9GKEW CS E12GKEW CS E15GKEW CS E7GKDW CS E9GKDW CS E12GKEW CS E15GKEW ...

Page 19: ...19 9 1 2 CS E18GKEW CS E18GKDW ...

Page 20: ...R COIL COMP 4 WAYVALVE CONNECTOR YELLOW GR R G G TERMINAL TERMINAL TERMINAL BR BL FUSE 20 0A FUSE T 5 0A L 250 V BL BL Y G 1 2 3 1 2 3 L N ELECTRONIC CONTROL UNIT FUSE T 3 15A L 250 V AC1 BLACK AC2 BLACK CN DC WHITE 12V 5V 5V 12V 12V 5V 5V 5V 120 115 110 105 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 RESISTANCE kΩ TEMPERATURE kΩ 10 0 10 20 30 40 50 60 1 3 2 4 1 Outdoor air temp ...

Page 21: ...rinted Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board Applicable for the models below CS E7GKEW CS E9GKEW CS E12GKEW CS E15GKEW CS E18GKEW CS E7GKDW CS E9GKDW CS E12GKDW CS E15GKDW CS E18GKDW ...

Page 22: ...below CS E7GKEW CS E9GKEW CS E12GKEW CS E15GKEW CS E18GKEW CS E7GKDW CS E9GKDW CS E12GKDW CS E15GKDW CS E18GKDW 10 1 3 Indicator Printed Circuit Board Applicable for the models below CS E7GKEW CS E9GKEW CS E12GKEW CS E15GKEW CS E7GKDW CS E9GKDW CS E12GKDW CS E15GKDW ...

Page 23: ...inted Circuit Board Applicable for the models below CS E7GKEW CS E9GKEW CS E12GKEW CS E15GKEW CS E7GKDW CS E9GKDW CS E12GKDW CS E15GKDW 10 1 5 Indicator Printed Circuit Board Applicable for the models below CS E18GKEW CS E18GKDW ...

Page 24: ...24 10 2 Outdoor Unit ...

Page 25: ...e cord x 4 core poluchloroprene sheathed Not included in the unit Outdoor unit power supply Single phase 230V 50Hz 20A switch circuit breaker Not included in the unit 1 5 mm2 or more x 3 core Not included in the unit Drain work Drain elbow Inner diameter 16mm provided Outdoor wiring work Unit B Unit A Applicable connecting tube kit CZ 3F type Total maximum pipe length 30 m Air purging Air purging ...

Page 26: ...eters refrigerant of 20g per meter must be added P anasoni c P anasoni c P anasoni c P anasoni c P ana soni c P anasoni c P anasoni c P anasoni c Maximum Piping Length Maximum Piping Length Maximum Piping Length Maximum Piping Length Additional Gas Charge 30m 20m x 20g 200g Additional Gas Charge 30m 20m x 20g 200g Additional Gas Charge 30m 20m x 20g 200g Indoor Unit A Indoor Unit A Indoor Unit A I...

Page 27: ...on 245 ICE 57 H05RN F 12 Installation Instruction 12 1 Select the Best Location 12 1 1 Indoor Unit There should not be any heat source or steam near the unit There should not be any obstacles blocking the air circulation A place where air circulation in the room is good A place where drainage can be easily done A place where noise prevention is taken into consideration Do not install the unit near...

Page 28: ... on the wall consider using anchor bolts Always mount the installation plate horizontally by 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 Line according to the left and right side edge of the installation plate The meeting point of the extended line is the centre of the hole Another method is by putting measuring t...

Page 29: ...ear piping 12 2 3 2 For the right and right bottom piping Pull out the Indoor Piping Install the Indoor Unit Secure the Indoor Unit Insert the connecting cable Pull out the Indoor Piping Install the Indoor Unit Insert the connecting cable Secure the indoor unit ...

Page 30: ...ng is not crushed When determining the dimensions of the piping slide the unit all the way to the left on the installation plate Refer to the section Cutting and flaring the piping The inside and outside connecting cable can be connected without removing the front grille Please refer to Connecting the piping column in the outdoor unit section Below steps are done after connecting the outdoor pipin...

Page 31: ...on start installation according to indoor outdoor unit installation diagram 1 Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut ø10mm 2 When installing at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails 12 3 2 Connecting the Piping 12 3 2 1 Connecting the piping to indoor unit Please make flare after inserting...

Page 32: ...he pipe 3 Please make flare after inserting the flare nut onto the copper pipes 12 3 3 Evacuation of the Equipment WHEN INSTALLING AN AIR CONDITIONER BE SURE TO EVACUATE THE AIR INSIDE THE INDOOR UNIT AND PIPES in the following procedure 1 Connect a charging hose with a push pin to the Low side of a charging set and the service port of the 3 way valve o Be sure to connect the end of the charging h...

Page 33: ...ved polychloroprene sheathed 3 C9GK C12GK x 1 5mm2 flexible cord type designation 245 IEC 57 or heavier cord 3 Secure the cable onto the control board with the holder clamper 4 Attach the control board cover back to the original position with the screw 12 3 5 Pipe Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please war...

Page 34: ...at another indoor unit in another room o The priority is given to heating operation if the heating mode is selected first In another room where cooling mode is selected afterward the POWER LED blinks to indicate the cooling operation is in standby condition where the fan is stopped hence no discharged air Operation mode priority control o The operation mode designated first by the indoor unit has ...

Page 35: ...emperature Once the operation starts remote control temperature will be taken as base vale for temperature shifting processes These shifting processes are depending on the air conditioner settings and the operation environment The final shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit Remote control sett...

Page 36: ... waiting for 3 minutes if the intake air temperature Internal setting temperature compressor OFF point 13 2 4 Heating operation 13 2 4 1 Thermostat control Compressor is OFF when intake air temperature Internal setting temperature 2 0 C Compressor is ON after waiting for 3 minutes if the intake air temperature Internal setting temperature compressor OFF point Compressor OFF 2 5 C 1 5 Compressor ON...

Page 37: ...ar environment and remote control setting is judged and performed based on the above operation mode chart every 30 minutes Remote control setting temperature C T1 T2 T3 16 18 10 2 5 19 22 8 3 7 23 26 7 3 7 27 30 6 3 8 There is a temperature shifting on T1 T2 and T3 if the operation mode judged is changed from cooling soft dry to heating or vice versa Operation mode change from Temperature shifts C...

Page 38: ... O Tab rpm Hi Me Me Me Lo o Auto fan speed Cooling Dry According to room temperature and setting temperature indoor fan speed is determined automatically The indoor fan will operate according to pattern below 1 pattern 10s Fan Speed a b c d e f g h a b Higher Medium Lower Heating According to indoor pipe temperature automatic heating fan speed is determined as follows Feedback control o Immediatel...

Page 39: ...E18GK 8 CU E7 9 12 15GK 12 25 37 49 60 Heating Manual CU E18GK 8 17 33 49 60 CU E7 9 12 15GK 10 32 22 30 Auto Anti Dew Control CU E18GK 8 38 CU E7 9 12 15GK 12 22 18 25 31 37 30 Cooling and ion Manual Anti Dew Control CU E18GK 8 17 33 49 60 CU E7 9 12 15GK 10 32 22 30 Auto Anti Dew Control CU E18GK 8 CU E7 9 12 15GK 12 22 18 25 31 37 30 Soft Dry Manual Anti Dew Control CU E18GK 8 17 25 33 38 Autom...

Page 40: ...uiet operation Cooling mode Cooling area of Dry mode Purpose To provide quiet cooling operation compare to normal operation Control condition Quiet operation start condition 1 When quiet button at remote control is pressed Quiet LED illuminates Quiet operation stop condition 1 When one of the following conditions is satisfied quiet operation stops o Powerful button is pressed o Stop by OFF ON swit...

Page 41: ...normal operation with previous setting 3 When fan speed is changed quiet operation is shifted to quiet operation of the new fan speed 4 When operation mode is changed quiet operation is shifted to quiet operation of the new mode expect fan only mode 5 During quiet operation if timer on activates quiet operation maintains 6 After off when on back quiet operation is not memorized Control content Fan...

Page 42: ...r 30 seconds to determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time From the above judgment the decided operation will start operate earlier than the set time as shown below 13 2 11 OFF timer control OFF timer can be set using remote control the unit with timer set will stop operate at set time Indoor intake air temperature C Indoor...

Page 43: ...nly operation Patrol button is pressed b Patrol operation stop condition When any of the following condition is fulfilled When OFF ON button is pressed During any operation with Patrol Patrol button is pressed again When e ion button is pressed When OFF Timer activates c Patrol operation disable To disable the Patrol Operation during unit start default with OFF ON button press Patrol button and ho...

Page 44: ...ot operate for 30 seconds b e ion Control When dirtiness level is 1 or 2 e ion operation starts If dirtiness level improves from level 2 to level 1 the unit carries out level change after 60 seconds When dirtiness level returns to level 0 continuously for 10 minutes or more e ion operation stops c Dirtiness Level Shift For Auto Fan Speed the fan speed increased based on dirtiness level rpm shift D...

Page 45: ... operation When ON timer activates during any operation no change and carry on current operation When OFF timer activates during any operation all operation stops i Power failure During Patrol individual operation if power failure occurs after power resumes Patrol individual operation resumes immediately During combination operation if power failure occurs after power resumes combination resume im...

Page 46: ...ration all operation stops d Indicator When e ion operation starts e ion indicator ON e e ion Check Mode To check if e ion is malfunctioning during e ion operation press e ion button for 15 seconds and release to enter e ion Check Mode and supplies power to the e ion Air Purifying System If abnormal discharge is detected at filter short circuited due to water or dust adhesion etc the e ion LED bli...

Page 47: ...is stopped 30 seconds after the compressor stops d It takes about 180 seconds to restart operation when the compressor has been stopped Time delay safety control 13 2 17 Deice Operation During Heating operation the deice operation judgment method According to outdoor heat exchanger temperature operation time and outdoor air temperature Deice operation 1 The outdoor heat exchanger temperature falls...

Page 48: ...ating protection circuit inside the IPM has been activated It restarts after 3 minutes Activation temperature 110 C Reset temperature 95 C DC peak current control When the inverter load current DC peak current exceeds the setting value 22 5A the compressor is stopped immediately If this happens within 30 seconds after it started operating it will restart one minute later if it happens after 30 sec...

Page 49: ...e temperature of the indoor unit heat exchanger exceeds 45 C the compressor stops After 3 minutes Time delay safety control starts o If this situation occurs 4 times within 30 minutes TIMER LED blinks F11 error During Heating operation o 4 minutes after compressor started if the temperature of the indoor unit heat exchanger drops below 5 C the compressor stops After 3 minutes Time delay safety con...

Page 50: ... after forced cooling operation was conducted for one room during the initial operation after power was turned on The abnormal wiring or piping connection control activates when o The outdoor gas piping temperature connected to non operating indoor unit drops by more than 5 C to 5 C or below 3 minutes after compressor started o The non operating indoor unit pipe temperature where outdoor air tempe...

Page 51: ...10 C Max 99Hz Min 16Hz 13 3 3 2 Intake Air Temperature Control Compressor operating frequency changes in accordance to the outdoor air temperature This control is not applicable during minimum frequency operation protection control deice operation pump down operation ...

Page 52: ...16 sec Auto Operation Test Run Operation Forced Cooling Operation Test Run Operation Forced Heating Operation Remote Control Number Switch Mode Remote Control Receving Sound OFF ON Beep Beep x 2 Beep x 3 Beep x 4 Press any key at remote control Press AC Reset Check key at remote control 3 REMOTE CONTROL NUMBER SWITCH MODE The remote Control Number Switch Mode will be activated if the Auto OFF ON b...

Page 53: ... the air quality sensor o Press and release by using pointer o Press the Timer Decrement button to select 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 3 2 CLOCK Button To...

Page 54: ... Outdoor temperature 35 C at cooling mode and 7 C at heating mode Compressor operates at rated frequency Different in the intake and outlet air temperatures Normal Value of electric current during operation Dusty condenser preventing heat radiation Excessive amount of refrigerant Gas Side pressure Inefficient compressor Insufficient refrigerant Clogged strainer or capillary cube Measuring the air ...

Page 55: ...roller continuously for 5 seconds 3 will be displayed on the remote controller display Note Display only for No transmitting signal no receiving sound and no Power LED blinking 4 Press the TIMER or button on the remote controller The code H00 no abnormality will be displayed and signal will be transmitted to the main unit 5 Every press of the button up or down will increase abnormality numbers and...

Page 56: ...r 4 seconds will be heard If no codes are matched power LED will light up for 0 5 seconds and no sound will be heard 7 The breakdown diagnosis mode will be canceled unless pressing the CHECK button continuously for 5 seconds or operating the unit for 30 seconds 8 The same diagnosis can be repeated by turning power on again 15 2 1 3 To clear memorized error Protective operation status after repair ...

Page 57: ...ure sensor Continue for 2 sec Outdoor gas pipe temperature sensor defective or disconnected Multi only H37 Outdoor liquid pipe temperature sensor Continue for 2 sec Outdoor liquid pipe temperature sensor defective or disconnected Multi only H39 Abnormal indoor operating unit or standby units Piping connection error Indoor outdoor connection cable connection error Multi only H41 Abnormal wiring or ...

Page 58: ...Front Grille and remove it by pulling up and towards you gently Fig 1 16 1 2 To Remove the Main Electronic Controller Unhook the tabs at the Control Board to remove the Control Board Cover Fig 2 Release the Indicator by detaching the CN DISP and CN LED and then remove the Indicator from the 2 tabs Fig 3 When handling electronic controller be careful of electrostatic discharge Be sure to return the...

Page 59: ...CN STM1 Fig 5 16 1 3 To Remove the Power Electronic Controller Release the screw for the Earth wire Fig 6 Pull out 2 terminal wires Black Red from the Terminal Board Fig 6 Detach the Terminal Board from the Control Board Fig 6 Press the Hold to left hand side remove the Particular Piece and slide out the Power Electronic Controller Fig 6 Release the AC 301 BRW connector Fig 7 Release the AC 303 WH...

Page 60: ...nd side of control board you will be able to remove the Control Board Fig 9 16 1 6 To Remove the Cross Flow Fan and Indoor Fan Motor Remove the screw at the Cross Flow Fan Fig 10 Reminder To reinstall the Fan Motor please adjust the connector location to 45 with Fan Motor before fixing Control Board Fig 10 Remove the Bearing Fig 11 Remove the screw at the left of the Evaporator Fig 11 Press the Ho...

Page 61: ...61 Fig 12 Lift up the Evaporator and remove the Cross Flow Fan from the unit by pulling it to the left and downward Fan Motor can be removed after the removal of the Cross Flow Fan Fig 12 ...

Page 62: ...y Fig 1 Unhook the tabs at the Control Board to remove the Control Board Cover Fig 2 Release the Particular Piece Fig 2 16 2 2 To Remove the Main Electronic Controller Release the 2 screws for the earth wire Fig 3 Pull out 2 terminal wires Red and Black from the Terminal Board Fig 3 Detach the connector Indicator and release the Indicator Fig 3 Release the 2 Particular Piece Fig 3 Release the scre...

Page 63: ...ease the hook that hold the Particular Piece and pull out the Power Electronic Controller Fig 6 Release the AC 303 connector Fig 7 Release the CN FM connector Fig 7 16 2 4 To Remove the Discharge Grille Pull out the Drain Hose behind the Discharge Grille from outlet to remove the Discharge Grille Fig 8 16 2 5 To Remove the Control Board Release the 3 screws Fig 9 By pressing down the hook at the l...

Page 64: ...eminder To reinstall the Fan Motor please adjust the connector location is positioned 90 with Fan Motor before fixing Control Board Fig 10 Remove the Bearing Fig 11 Remove the screws at the left hand side of the Evaporator Fig 11 Push up the Evaporator and pull out the Cross Flow Fan from shaft Then take out the Fan Motor Fig 12 ...

Page 65: ...ve 2 screws 5 Remove the terminal cover top and disconnect all the lead wires 3 fasten tab inside 16 3 3 Removing the Control Board 6 Remove the control board cover 7 Remove the 6 screws at the positions on the control board indicated by arrows 8 Disconnect the connectors and pipe sensor connected to the compressor and reactor 9 Remove the control board When pulling the control board upward it may...

Page 66: ...e cabinet top plate and cabinet front plate 2 Remove the propeller fan by removing the nut turning clockwise at its center 3 Disconnect the connector of the fan motor from the control board 4 Loosen the 4 screws at the fan motor mounting then remove the fan motor ...

Page 67: ...c o Room temperature 27 C DBT 19 C WBT o Operation condition High fan speed o Piping Length 7 5m 2 0 2 2 2 4 2 6 2 8 3 0 3 2 30 31 32 33 34 35 36 37 38 39 40 Outdoor Temperature C Capacity kW 28kW 22kW 0 98 1 02 1 06 1 10 1 14 30 31 32 33 34 35 36 37 38 39 40 Outdoor Temperature C Gas SidePiping Pressure MPa 28kW 22kW 2 0 2 5 3 0 3 5 4 0 4 5 5 0 30 31 32 33 34 35 36 37 38 39 40 Outdoor Temperature...

Page 68: ...10 11 12 Outdoor Temperature C Current A 28kW 22kW 35 37 39 41 43 45 2 3 4 5 6 7 8 9 10 11 12 Outdoor Temperature C Outlet Air C 28kW 22kW 2 50 3 00 3 50 4 00 4 50 5 00 2 3 4 5 6 7 8 9 10 11 12 Outdoor Temperature C Capacity kW 28kW 22kW 2 2 2 4 2 6 2 8 3 0 3 2 2 3 4 5 6 7 8 9 10 11 12 Outdoor Temperature C Gas Side Piping Pressure MPa 28kW 22kW ...

Page 69: ...7 38 39 40 Outdoor Temperature C Outlet Air C 22kW 22kW 22kW 28kW 4 3 4 4 4 5 4 6 4 7 4 8 4 9 30 31 32 33 34 35 36 37 38 39 40 Outdoor Temperature C Capacity kW 22kW 22kW 22kW 28kW 1 08 1 10 1 12 1 14 1 16 30 31 32 33 34 35 36 37 38 39 40 Outdoor Temperature C Gas SidePiping Pressure MPa 22kW 22kW 22kW 28kW 5 0 5 5 6 0 6 5 30 31 32 33 34 35 36 37 38 39 40 Outdoor Temperature C Current A 22kW 22kW ...

Page 70: ...or Temperature C Outlet Air C 22kW 22kW 22kW 28kW 4 40 4 80 5 20 5 60 6 00 2 3 4 5 6 7 8 9 10 11 12 Outdoor Temperature C Capacity kW 22kW 22kW 22kW 28kW 2 0 2 1 2 2 2 3 2 4 2 3 4 5 6 7 8 9 10 11 12 Outdoor Temperature C 22kW 22kW 22kW 28kW Gas Side Piping Pressure MPa 4 6 4 8 5 0 5 2 5 4 5 6 5 8 2 3 4 5 6 7 8 9 10 11 12 Outdoor Temperature C 22kW 22kW 22kW 28kW Current A ...

Page 71: ...View and Replacement Parts List 18 1 Indoor Unit CS E7GKEW CS E9GKEW CS E12GKEW CS E15GKEW CS E7GKDW CS E9GKDW CS E12GKDW CS E15GKDW Note The above exploded view is for the purpose of parts disassembly and replacement ...

Page 72: ...L BOARD CASING 1 CWH102321 Å Å Å 21 TERMINAL BOARD COMPLETE 1 CWA28C2128J Å Å Å 23 ELECTRONIC CONTROLLER MAIN 1 CWA73C2532 CWA73C2533 CWA73C2534 CWA73C2535 24 ELECTRONIC CONTROLLER POWER 1 CWA744567 Å Å Å 25 SENSOR COMPLETE 1 CWA50C2122 Å Å Å 26 CONTROL BOARD FRONT COVER CWH131207 Å Å Å 27 INDICATOR COMPLETE 1 CWE39C1168 Å Å Å 28 INDICATOR HOLDER 1 CWD932744 Å Å Å 29 INDICATOR HOLDER 1 CWD932745 Å...

Page 73: ...OARD COMPLETE 1 CWA28C2128J Å Å Å 23 ELECTRONIC CONTROLLER MAIN 1 CWA73C2532 CWA73C2533 CWA73C2534 CWA73C2535 24 ELECTRONIC CONTROLLER POWER 1 CWA744567 Å Å Å 25 SENSOR COMPLETE 1 CWA50C2122 Å Å Å 26 CONTROL BOARD FRONT COVER CWH131207 Å Å Å 27 INDICATOR COMPLETE 1 CWE39C1168 Å Å Å 28 INDICATOR HOLDER 1 CWD932744 Å Å Å 29 INDICATOR HOLDER 1 CWD932745 Å Å Å 30 CONTROL BOARD FRONT COVER CO 1 CWH13C1...

Page 74: ...74 18 2 Indoor Unit CS E18GKEW CS E18GKDW 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 75: ...BOARD CASING 1 CWH102334 Å 21 TERMINAL BOARD COMPLETE 1 CWA28C2128J Å 23 ELECTRONIC CONTROLLER MAIN 1 CWA73C2536 Å 24 INDICATOR COMPLETE CWE39C1174 Å 25 INDICATOR HOLDER 1 CWD932818 Å 26 INDICATOR HOLDER 1 CWD932817 Å 27 SENSOR COMPLETE 1 CWA50C2122 Å 28 CONTROL BOARD TOP COVER 1 CWH131209 Å 29 CONTROL BOARD FRONT COVER 1 CWH131210 Å 30 REMOTE CONTROL COMPLETE 1 CWA75C3008 Å 31 FRONT GRILLE COMPLE...

Page 76: ...rts are not kept as standard service parts 23 43 24 1 12 9 10 11 44 23 25 49 51 45 38 37 35 39 30 28 40 34 32 47 31 2 52 3 50 5 4 13 27 29 6 8 48 15 20 26 16 19 18 22 17 18 14 21 8 7 46 33 41 42 24 36 57 I I 59 I I 61 I I 63 I I 65 I I 67 I I 58 I I 60 I I 62 I I 64 I I 66 I I 68 I I 69 I I 70 I I 53 O I 55 O I 54 O I 56 O I ...

Page 77: ...89 32 SENSOR COMPLETE 1 CWA50C2090 33 HOLDER SENSOR 2 CWH32074 34 SENSOR COMPLETE 1 CWA50C2097 35 NORMAL MODE LINE CHOKE COILS 1 G0A193M00001 36 ELECTRONIC CONTROLLER 1 CWA73C2631R 37 TERMINAL BOARD ASSY 1 CWA28K1162 38 TERMINAL BOARD ASSY 2 CWA28K1045J 39 FUSE 1 XBA2C50TR0 40 CONTROL BOARD COVER 1 CWH131116 41 TERMINAL COVER 1 CWH171001 42 RUBBER GASKET 1 CWH7070603 43 3 WAY VALVE 1 4 2 CWB011418...

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