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Panasonic CS-G125KE CU-G125KE Service Manual Download Page 103

18 Electronic Circuit Diagram

• CS-G95KE
• CS-G125KE

SCHEMATIC DIAGRAM 1/3

D103
A54LNK5372

CN-STM1

1

2

3

4

5

5

4

3

2

1

(MX-5)

(ZH5)

4

3

2

1

CN-TH

8

3

1

5

6

4

2

7

RST

CS

BUSY

SCK

D0

D1

CS

DL

S1

S0

SCK

4

8

3

2

1

5

6

7

COM

D101

1

2

3

4

5

6

7

CN-DISP1

D102
A54LNK4183B

A54LNM23301A

1

2

3

CN-RCV2

2

(MX-3)

CN-RCV1

(MX-3)

R73

10k

+

–

C26
33

µ

25V

16V

10

µ

C8

–

+

5.9k

R41

R35

15k

+

–

C9

10

µ

16V

C19

3300p

R21

1k

R24
5.1k

C25

0.01

µ

10k

4.7k

R40

10k

R30

10k

CHECK PIN
(TEST)

R33

10k

R34

10k

R37

10k

R39

10k

A52BR9020F

IC2

R43

10k

ICX

A52A2003GR2

IC5

3

1

(PH4)

(MX7)

(MX7)

13

4

16

1

15

2

14

3

8

Q10

A55DA143XKTX

e

c

b

7

6

5

4

3

2

1

CN-DISP2

A

B

C

D

E

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

d

c

b

a

R114

R115

R116

R117

R118

R119

R120

R121

R113

3

1

2

24

23

22

17

18

19

20

21

15

14

13

11

12

16

7

6

4

8

10

9

5

QF

QA

QC

QB

QD

QE

QG

QL

QJ

QI

QH

QK

QO

QM

QN

QP

VCC

R

CKS

A

CLK

OE

GND

430 x 9

1000P x 4

C102

C101

C103

C104

R111

R110

R108

R109

180 x 4

1.5

µ

C105

–

+

C106
0.01

µ

R112

100k

R122

10k

IC101 A52M66311FP

R102

R105

R104

R103

R101

R106

R107

820 x 7

DISPLAY

RECEIVER

1.5

µ

 (T)

C7

–

+

1k

R31

PIPE TEMP. SENSOR

(20k 3950)

(15k 3950)

AIR TEMP. SENSOR

(ZH5)

(MX-5)

1

2

3

4

5

5

4

3

2

1

CN-STM2

(ZH5)

(MX-5)

1

2

3

4

5

5

4

3

2

1

CN-STM3

e

f

g

9

6

11

5

12

7

10

12

5

9

e

a

b

c

d

8

3

14

2

15

1

16

4

13

IC6

A52A2003GR2

C26

1000P

RIGHT

LEFT

UP/DOWN

POWERFUL
SLEEP

TIMER

POWER

STEPPING MOTOR DRIVE

STEPPING MOTOR DRIVE

SEGMENT DRIVE

MAIN

2.5

5

5

5

5

5

Fig.1

3

2

1

VCC

OUT

GND

2.2

µ

C201

+

100

R201

6.3v

(KS)

R201

PD

IC201

A52PS442

9

a

b

COM

6

7

5

8

10

4

2

3

1

c

d

e

f

g

103

CS-G95KE CU-G95KE / CS-G125KE CU-G125KE

Summary of Contents for CS-G125KE CU-G125KE

Page 1: ... Bhd 183914D All rights reserved Unauthorized copying and distribution is a violation of law CS G95KE CU G95KE CS G125KE CU G125KE 10 Installation Instructions 72 11 Servicing Information 81 12 Technical Data 94 13 Exploded View 97 14 Replacement Parts List 98 15 Exploded View 99 16 Replacement Parts List 100 17 Electronic Parts List 101 18 Electronic Circuit Diagram 103 Room Air Conditioner CONTE...

Page 2: ...ng Auto change over of Automatic Operation mode Self illuminating Remote Control Catechin Air Purifying Filter To trap dust tabacco smoke and tiny particles in the room to prevent the growth of bacteria and viruses trapped in this filter Deodorizing Filter Serviceability Self diagnosis Forced Cooling and Heating operation at rated frequency Quality Improvement High power supply voltage protection ...

Page 3: ...tic Fan Speed Airflow Direction Control 24 hour OFF ON Real Timer Setting TIMER ON OFF Timer Operation Selection SET CANCEL Timer Operation Set Cancel ON Timer and OFF Timer setting and cancellation CLOCK Vertical Airflow Direction Control Automatic Control Manual Control Horizontal Airflow Direction Control Automatic Control Manual Control Powerful Mode Operation POWERFUL Temperature Setting 16 C...

Page 4: ...tinuosly for 16s or 21s to switch OFF ON Remote Control Re ceiving Sound and H14 Abnormality Detection Mode AUTO OFF ON Operation Indication Lamps LED POWER Green Lights up in opera tion blinks in Auto matic Operation Mode judging and Hot Start operation TIMER Orange Lights up in Timer Setting Blinks in Self Diag nosis Control SLEEP Orange Lights up in Sleep Mode Operation POWERFUL Orange Lights u...

Page 5: ...Discharge Control Anti Freezing Control Quiet Operation Operation Mode Cooling Soft Dry Heating CS G95KE 15 64 Hz 15 22 Hz 15 99 Hz CS G125KE 15 92 Hz 15 22 Hz 15 115 Hz Compressor Operation Frequency Low Pressure Control Gas Leakeage Detection Self Diagnosis Temperature Shift Low High Power Supply Voltage Protection 5 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 6: ...OPERATION HEATING OPERATION Anti Cold Draft Control High Pressure Control Hot Start Intake Air Temperature Control Standby Control Deice Operation AUTOMATIC OPERATION 6 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 7: ...mpressor Overheating Protection IPM Power Transistor Overheating Protection DC Peak Total Running Current Control Low Frequency Operation Protection Mininum Frequency Operation Protection Outdoor Air Temperature Control Detect outdoor ambient temperature and limits compressor operating frequency Details can be refered to OPERATION DETAILS in this manual 7 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 8: ...w 26 Cooling 46 Heating High 39 Low 30 Heating 47 Noise Level Power level dB Cooling High 51 Cooling High 61 Heating High 52 Heating High 62 Electrical Data Input kW Cooling 0 73 0 21 0 99 Heating 0 99 0 20 1 40 Running Current A Cooling 3 75 max 6 76 Heating 4 80 max 6 76 EER W W kcal hw Cooling 3 56 3 07 COP W W kcal hw Heating 3 64 3 13 Starting Current A 4 80 Piping Connection Port Flare pipin...

Page 9: ...r Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 14 1 20 FPI 21 19 Size W H L mm 614 294 25 4 782 9 508 22 Refrigerant Control Device Capillary Tube Refrigeration Oil c c SUNISO 4GDID or ATMOS M60 350 Refrigerant R 22 g oz 780 27 5 Thermostat Electronic Control Protectio...

Page 10: ...ng 48 Heating High 41 Low 35 Heating 50 Noise Level Power level dB Cooling High 54 Cooling High 63 Heating High 54 Heating High 65 Electrical Data Input kW Cooling 1 05 0 22 1 33 Heating 1 41 0 22 2 00 Running Current A Cooling 5 00 max 8 96 Heating 6 30 max 8 96 EER W W kcal hw Cooling 3 29 2 83 COP W W kcal hw Heating 3 40 2 93 Starting Current A 6 3 Piping Connection Port Flare piping inch inch...

Page 11: ...er Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 14 2 20 FPI 21 16 Size W H L mm 614 294 25 4 693 5 508 44 Refrigerant Control Device Capillary Tube Refrigeration Oil c c SUNISO 4GDID or ATMOS M60 350 Refrigerant R 22 g oz 1 070 37 8 Thermostat Electronic Control Protec...

Page 12: ...4 Dimensions 12 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 13: ...13 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 14: ...5 Refrigeration Cycle Diagram 14 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 15: ...6 Block Diagram 15 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 16: ...oor Fan Motor Windings CONNECTION CWA95384 Ω BLUE YELLOW 264 1 YELLOW RED 304 8 Resistance of Compressor Windings CONNECTION 2RD132X5BB03 Ω U V 0 8 U W 0 8 V W 0 8 7 Wiring Diagram 16 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 17: ... of Outdoor Fan Motor Windings CONNECTION CWA95380 Ω BLUE YELLOW 234 1 YELLOW RED 263 5 Resistance of Compressor Windings CONNECTION 2RD132X5BA03 Ω U V 0 8 U W 0 8 V W 0 8 17 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 18: ...C 0 0 C 5 C Outdoor air temperature 9 C 0 5 C 1 Outdoor air temperature 5 C 1 0 C 3 C Outdoor air temperature 1 C 1 0 C Outdoor air temperature 3 C 1 5 C 8 Operation Details 8 1 Function Once the operation stars the remote control setting temperature will be shifted internally based on the setting fan speed and outdoor air temperature In addition if Sleep Mode or Powerful Mode are set the temperat...

Page 19: ...the start of the operation the compressor is operating at Fc max Hz The compressor stops when the intake air temperature reaches 1 C below internal setting temperature and continues for 3 minutes When the compressor stops it will not begin operation for 3 minutes Time Delay Safety Control When the intake air temperature reaches the Compressor ON temperature the Compressor starts operation When the...

Page 20: ... 4 5 6 7 If the compressor still stops operation after 3 minutes the deodorizing status will start from 6 C Sensible Heat Control This control is to improve the feeling in high fan speed during low operation frequency When the operation frequency is less than 33Hz CU G95KE or 36Hz CU G125KE the fan speed will reduce When the operation frequency is increased to 40Hz CU G95KE or 49Hz CU G125KE conti...

Page 21: ...art of the operation the compressor is operating at Fc max Hz The Compressor stops when the intake air temperature reaches 3 5 C below internal setting temperature and continues for 3 minutes When the Compressor stops operation indoor fan stops for 330 seconds When the Compressor stops it will not begin operation for 3 minutes Time Delay Safety Control When the intake air temperature reaches the C...

Page 22: ...from 3 4 5 If the compressor stops operation indoor fan stops for 330 seconds C Sensible Heat Control This control is to improve the feeling in high fan speed and low operation frequency When the operation frequency is less than 33Hz CU G95KE or 36Hz CU G125KE the fan speed will reduce When the operation frequency is increased to 40Hz CU C95KE or 49Hz CU C125KE continuously for 5 minutes the fan s...

Page 23: ...heating operation the room temperature control depends on intake air temperature and internal setting temperature Basically it can be divided into 2 periods as shown below i When indoor fan speed is Medium of above 23 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 24: ... ii When indoor fan speed is lower than Medium 24 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 25: ...en change over to Fhmax The compressor stops when the intake air temperature reaches 1 5 C above internal setting temperature and continues for 3 minutes When the compressor stops it will not start operation for 3 minutes Time Delay Safety Control When the intake air temperature decreases to the compressor ON temperature the compressor starts immediately When the compressor stops the outdoor fan m...

Page 26: ...aft Control i Indoor Fan Control Indoor fan speed and airflow direction varies in accordance to the indoor heat exchanger temperature as shown below Note UP means fan speed is increased by 1 rank DOWN means fan speed is decreased by 1 rank Max means fan speed is running at maximum auto fan speed Temperature in is indicating when powerful mode is selected 26 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 27: ...heat exchanger temperature The control is valid for automatic airflow direction only C Deice Operation Deice operation occurs when the deice operation starting signal is generated This happens when one of the following conditions occurs However the first deice operation will begin 1 hour after start of heating operation Outdoor Heat Exchanger Outdoor Heat Exchanger Outdoor Temp To Temp Th 3 C Temp...

Page 28: ... is generated indoor fan outdoor fan 4 way valve are turned off and compressor operates at 40Hz CU G95KE or 49Hz CU G125KE for 30 seconds Deice operation starts During deice operation the compressor operating frequency is set at 58Hz CU G95KE or 83Hz CU G125KE Deice will end when the outdoor heat exchanger temperature rises to 16 C or after 11 minutes 28 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 29: ...es This condition is repeated until standby control is cancelled It will consume about 35 W of electric power Electricity supplied to compressor ON OFF ON OFF Time 1 min 4 min 1 min 4 min c Standby control will be cancelled when one of the following conditions occurs i Unit starts operation ii Outdoor ambient temperature 5 C iii Compressor starts operation iv Protection control is activated b When...

Page 30: ...ng judging the operation mode indoor fan is running at Lo speed and outdoor fan at ON in order to sense the indoor intake air temperature and outdoor air temperature for 20 seconds At this time Power LED is blinking After the operation mode is selected Power LED lights up Refer to the examples below there are 4 determination charts when automatic mode is selected a When setting temperature of remo...

Page 31: ...temperature of remote control is 27 C and above Setting Temp C T1 T2 T3 18 and below 10 8 5 19 22 8 7 7 23 26 7 6 7 27 and above 6 5 8 Note Base temperature for T1 is 29 C Base temperature for T2 is 27 C Base temperature for T3 is 21 C 31 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 32: ... than 16 C heating operation is immediately started When the outdoor air temperature is more than 25 C and the intake air temperature is over 16 C cooling operation is immediately started The operation mode is judged every 30 minutes When the operation mode Heating Cooling or Soft Dry is decided the internal setting temperature will shift as shown below 32 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 33: ...l Lo Fan Powerful 11 22 0 27 8 Auto Fan Sensible Heat Control Auto Fan Auto Fan min Powerful 12 22 7 28 3 Manual Me Fan Powerful 13 23 0 28 3 Auto Fan Sensible Heat Control Me Auto Fan Powerful Sensible Heat Control Auto Fan Me 14 23 1 28 4 Me Temporary Operation 15 23 5 28 8 Auto Fan Auto Fan Powerful Auto Fan Max Manual Me Fan Powerful 16 24 3 29 1 Manual Me Fan Powerful Sensible Heat Control Hi...

Page 34: ...Automatic Fan Speed for heating operation is shown below When the Automatic Fan Speed is selected the Fan Speed will change every 10 seconds from Fan Speed No 7 to No 15 depending on indoor heat exchanger temperature Each time the Fan Speed will move 1 rank up or down When Automatic Fan Speed and Powerful Mode are selected the Fan Speed will change for every 10 seconds from Fan Speed No 11 to No 2...

Page 35: ...tion at SSHi Speed During Heating operation Indoor Fan speed is set at SSHi when the following conditions occur Heating operation for 2 hours or more When remote control setting fan speed is High Indoor intake air temperature is 17 C or above and less than 23 C Outdoor air temperature is below 4 C Remote control setting temperature is 30 C Compressor operates at 71Hz CU G95KE or 90Hz CU G125KE and...

Page 36: ...g Airflow direction auto 7 36 Anti dew formation control 11 25 Airflow direction manual 7 15 25 33 41 Anti dew formation control 11 15 18 22 25 Soft Dry Airflow direction auto 3 33 Anti dew formation control 11 25 Airflow direction manual 3 8 18 25 33 Anti dew formation control 11 15 18 22 25 Fan Airflow direction auto 7 36 Airflow direction manual 7 15 25 33 41 Stop 143 Setting angle 36 S G95KE C...

Page 37: ...ill shift according to the indoor heat exchanger temperature as shown below B Horizontal Airflow Direction a Automatic Horizontal Vane angle setting By setting the horizontal airflow direction to AUTO the vanes swing left and right from 55 125 during Cooling Soft Dry and Fan operation During Heating operation the vane angle will shift according to the indoor heat exchanger temperature as shown bel...

Page 38: ... 64 64 90 110 90 110 64 110 90 64 64 Fan 90 125 55 55 55 90 125 90 125 55 125 90 55 55 c Wie Spot Airflow Setting By pressing the remote control WIDE SPOT switch the vane will move to position 3 while WIDE and position 2 while SPOT The purpose of this control is to reduce indoor operating noise Indoor fan speed is set to Lo when the following conditions occur Indoor fan speed is set at Low Indoor ...

Page 39: ...ating Operation a Cooling Operation Soft Dry Operation When the sleep button is pressed the remote control setting temperature will increase 0 5 C after 1 hour or when the remote control setting temperature is reached After another hour 0 5 C will be increased again During sleep shift operation indoor fan speed operates at Lo for Cooling operation or SLo for Soft Dry operation 39 CS G95KE CU G95KE...

Page 40: ...60 minutes before the set time the indoor fan operates at Lo and outdoor fan operates for 20 seconds to sense the indoor intake air temperature and outdoor air temperature in order to determine the starting time for preparatory operation The Power LED blinks during sampling The time of the preparatory operation will start before the On Timer set time If there is a power failure operation will auto...

Page 41: ...f remote control to switch to Remote Control signal receiving sound ON OFF mode One beep will be heard Then press the Auto button once again beep sound will be heard The Remote Control signal receiving sound has been turned off Repeat the above procedure or reset the main power supply to switch on the remote control signal receiving sound If beep beep sound is heard and E1 or E2 is displayed the s...

Page 42: ... minutes Cooling Soft Dry set value Zone A Zone B Model No CU C95KE CU G125KE CU G95KE CU G125KE I1 A 5 3 6 7 4 3 5 2 I2 A 7 3 10 8 7 3 10 8 Note Zone A will be used 30 minutes after operation starts Heating set value If the outdoor unit total running current exceeds I2 3 times within 30 minutes all indoor and outdoor relays will be turned off TIMER LED will blink and F98 is displayed d IPM Power ...

Page 43: ...en the temperature rises to 115 C If this condition occurs 4 times within 20 minutes all indoor and outdoor relays will be turned off TIMER LED will blink and F97 is displayed f Low Pressure Control Gas Leakage Detection When the following conditions as shown in the below table occur the compressor stops and restarts after 3 minutes If this phenomenon is continuously occuring twice within 30 minut...

Page 44: ...r Supply Voltage Protection When the DC voltage supplied to IPM Power transistor is reduced to 169 5V CS G95KE or 160 5V CS G125KE the compressor stops and restarts after 3 minutes If within 30 seconds after restarting of compressor the DC voltage is reduced to 169 5V CS G95KE or 160 5V CS G125KE again the compressor will stop for 1 minute If this condition repeats for 7 times all indoor and outdo...

Page 45: ...esume to original speed when the temperature increases to 14 C for 5 minutes continuously Note The above phenomenon occurs when the fan is running at Me or below b Anti Dew Formation Control When the following conditions occurs for 20 minutes continuously anti dew formation is controlled 1 Indoor intake air temperature is 24 C or above 2 Outdoor air temperature is less than 30 C 3 Remote control s...

Page 46: ...Model No CU G95KE CU G125KE Note Indoor fan is running at Me or below After 420 minutes from the start of operation the operation timer counting is restarted from 0 d High Pressure Control at Minimum Frequency Control When the outdoor air temperature increases to 38 6 C compressor operating frequency reduces to minimum of 31 Hz Compressor operating frequency will resume to normal when outdoor air ...

Page 47: ...re is 30 C and above the compressor operates maximum at 71 Hz CU G95KE or 90 Hz CU G125KE b Outdoor Air Temperature Control The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below This control will begin 50 seconds after the compressor starts C High Pressure Control The compressor operating frequency is regulated in accordance to t...

Page 48: ...k Warning This sign warns of death or serious injury Caution This sign warns of injury or damage to property The instructions to be followed are classified by the following symbols This symbol with a white background denotes an action that is PROHIBITED These symbols with a black background denotes an action that is COMPULSORY OFF Before operating please read the following Safety Precautions caref...

Page 49: ...all be easily accessi ble Do not modify the length of the power cord or use an extension cord It could cause electric shock or fire Do not be directly exposed to the cold airstream for too long It could lead to health prob lems Do not operate or stop the unit by inserting or pulling out the power plug It could cause electric shock or fire Do not operate the unit with wet hands It could cause an el...

Page 50: ...cally to ventilate the room Do not sit or place any thing on the outdoor unit You might fall off or the unit might collapse Switch off the power supply if the unit is not going to be used for a long period of time If dust accumulates on the plug it will generate heat and this could cause a fire Do not place combustor in the path of the airflow from the unit Incomplete combustion could cause toxic ...

Page 51: ...EEP Orange TIMER Orange POWERFUL Orange Piping Connecting Cable Side Rear Air Intake Vents Outdoor unit Power Monitor Lamps Lights up from LOW to HIGH to show the compressor operating condition Light off when then compressor stops Air Purifying Filter Air Filters Auto Operation Button Vertical Airflow Direction Louver Horizontal Airflow Direction Louver Air Outlet Vent Power Supply Cord Name of Ea...

Page 52: ...ian only OPEN POWERFUL TEMP OFF ON INVERTER Signal Transmitter Operation Display Room Temperature Setting Button Self illuminating Button OFF ON Button Self illuminating Button POWERFUL Button Signal B A Switch To be set to A When two units are installed in the same room Consult your dealer Remote control Set Button Time Setting Button Cancellation Button HEAT COOL AUTO AUTO AUTO FAN AUTO FAN SPEE...

Page 53: ...emperature Use under the following conditions 16 11 16 11 2 5 6 Min Temperature Unit in C Air filters Air purifying filters Insert the new air purifying fil ters Be sure the FRONT mark is facing you Remove the air filters and insert the air purifying filters If the unit is not going to be used for an extended period of time turn off the Power Supply If it is left at the ON position approximately 2...

Page 54: ... going to be used for an extended period of time remove the batteries from the remote control 1 Gently press the place marked OPEN and slide the cover towards you 2 Be sure that the e and r directions are correct Confirm that the display is flashing 12 00 PM If the display does not appear when the batteries are inserted remove them and re insert To prevent battery exhaustion set the current time C...

Page 55: ...ting or operation mode is selected during Automatic Operation The power monitor lamps light up to show the compressor operating condition Press MODE to select the desired operation Display When pressed the display changes in this order AUTO FAN AUTO FAN a a FAN DRY COOL HEAT Recommended temperature Heating 20 24 C Cooling 26 28 C Soft Dry Approx room temperature POWER LOW HIGH SLEEP TIMER POWERFUL...

Page 56: ...preference setting temperature Heat is obtained from outdoor air to warm up the room When the outdoor ambient air temperature falls the heating capacity of the unit might be reduced We recommend that you use an additional heating device when the outdoor ambient air temperature is low Cooling Operation To cool the room temperature upon your preference setting temperature Notes Soft Dry Operation Se...

Page 57: ...er angles To adjust the vertical airflow direction louvers Auto Fan Speed Control Heating When the temperature of the discharge air increases the fan speed increases Cooling Soft Dry Changes the fan speed to generate a cool breeze The air starts to blow out approximately 40 seconds after the start of Cooling or Soft Dry To adjust fan speed To adjust the horizontal airflow direction louvers Auto Fa...

Page 58: ...automatically changes to prevent condensation during Cooling and Soft Dry When operation stops the louver automatically closes Notes Do not adjust the vertical airflow direction louver downward during Cooling and Soft Dry Drops of water may condense on the air outlet vent and drip down Use the remote control to change the vertical airflow direction louver Using your hands to adjust the direction m...

Page 59: ... reach the desired setting time quickly Press SET Button To set OFF Timer Press OFF and follow steps 2 and 3 TIMER LED on the indoor unit lights up To cancel the timer Ex Cancel ON timer 1 2 Press ON Button Press CANCEL Button TIMER LED on the indoor unit lights off COOL AUTO AUTO FAN FAN SPEED WIDE SPOT AIR SWING TIMER CLOCK 1 2 3 ON OFF SET CANCEL SLEEP MODE ON OFF AM PM AM PM ON AM AM ON AM AM ...

Page 60: ...N This will prevent the air conditioner from being left on while you are out and the temperature will be pleasant when you return Setting OFF timer POWER LOW HIGH SLEEP TIMER POWERFUL POWER MONITOR POWER LOW HIGH SLEEP TIMER POWERFUL POWER MONITOR I m back Comfortable temperature POWER LOW HIGH SLEEP TIMER POWERFUL POWER MONITOR Timer When the ON Timer is set operation will start before the actual...

Page 61: ...rcooling during sleep Stops automatically after 8 hours Press SLEEP during operation SLEEP LED on indoor unit lights up Not displayed on remote control To cancel Press SLEEP again SLEEP LED on indoor unit lights off POWER LOW HIGH SLEEP TIMER POWERFUL POWER MONITOR Notes Air blows out gently during sleep When used in conjunction with the Timer the Timer has priority Heating Cooling Soft Dry COOLIN...

Page 62: ...t your curtains and blinds Adjust curtains and blinds to prevent sunlight from entering the room directly as this may reduce the cooling efficiency Clean the filters Anything near the outdoor unit A dirty air filter reduces heating and cooling efficiency Clean the filters every 2 weeks Objects placed near the outdoor unit will reduce heating and cooling efficiency 62 S G95KE CU G95KE CS G125KE CU ...

Page 63: ...anel can be removed and cleaned with water Replace the air filter Be sure the FRONT mark is facing you Open the front panel and remove the two air filters Hold the tab lift up slightly then pull down Remove dirt using a vacuum cleaner For heavy dirt wash with water and dry well away from direct sunlight before replacing 1 2 3 POWER LOW HIGH SLEEP TIMER POWERFUL POWER MONITOR POWER LOW HIGH SLEEP T...

Page 64: ...er hard cleaning aids Do not press the front panel too hard when washing Excess pressure may damage the panel When cleaning with kitchen cleaning fluids neutral detergents rinse thoroughly Do not use non neutral detergents Do not dry the front panel in direct sunlight Exposure to direct sunlight may discolor or disfigure the panel Fixing the front panel 1 Slide the two tabs up to the LOCK position...

Page 65: ...ent Remove the two air filters Hold the tabs of the air puri fying filters and pull 1 POWER LOW HIGH SLEEP TIMER POWERFUL POWER MONITOR POWER SLEEP TIMER P O W E R MONITOR LOW HIGH Re installing the air purifying filters 2 3 Open the filter frame to in sert the new filters Note Deodorizing Filter Black in colour Catechin Air Purifying Filter Brown in colour Insert the new air purifying filters Be ...

Page 66: ...the power supply plug Note If the unit is not switched off by the remote con trol it will operate when you plug in because a Auto Restart Control is provided Remove the remote control batteries 1 2 3 Recommended inspection The unit will become dirty after use over several seasons reducing performance Depending on the operation condition a dirty unit may produce foul odours and dust may pollute the...

Page 67: ...orrectly page 10 Are the air filters dirty page 18 Are the air intake or outlet vents blocked Are all the windows and doors closed Measure the temperature difference Operation is normal if 15 minutes after the start of operation the temperature difference between the air intake and outlet vents is 8 C or above for cooling and 14 C or above for heating POWER LOW HIGH SLEEP TIMER POWERFUL POWER MONI...

Page 68: ...ting the frost Please wait as defrosting may take up to 10 minutes This occurs when the airflow from the air conditioner cools the room A passt sound is heard during defrosting or when the air conditioner operation has been stopped This is caused by the refrigerant inside the air conditioner flowing in the opposite direction The air conditioner will expand or contract due to changes in temperature...

Page 69: ...the display and consult an authorized dealer After checking the display turn off the power supply and remove the power supply plug Depending on which 3 characters are displayed temporary operation may be possible Temporary operation 1 Press the MODE button and select Heating or Cooling 2 Press the operation OFF ON button beep beep beep beep sound is heard Use this operation temporarily until repai...

Page 70: ...op eration mode and airflow direction when the power is resumed as the operation is not stopped by remote control When the operation restarts the outdoor unit will operate only after 3 4 minutes Power failure after the Timer has been set The Timer setting is cancelled Main unit s Timer LED is extinguished Once power is re stored reset the Timer Ex Power failure after the ON Timer has been set Thun...

Page 71: ...HE MAINS 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 condi tions 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 A...

Page 72: ...ll according to this installation instruction strictly If installation is defective it will cause water leakage electrical shock or fire 3 Use the attached accessories parts and specified parts for installation Otherwise it will cause the set to fall water leakage fire or electrical shock 4 Install at a strong and firm location which is able to withstand the set s weight If the strength is not eno...

Page 73: ...there is ease for access for the power disconnection in case of emergency In some countries permanent connection of this room air conditioner to the power supply is prohibited 1 Power supply connection to the receptacle using a power plug Use an approved 16A power plug with earth pin for the connection to the receptacle 2 Power supply connection to a circuit breaker for the permanent connection Us...

Page 74: ...nstalled on the wall in a height of at least 2 3 m OUTDOOR UNIT If an awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which...

Page 75: ...orizontally 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 ...

Page 76: ...3 For the embedded piping This can be used for left rear piping and left bottom piping also 76 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 77: ... of outdoor 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 Ho...

Page 78: ... beep sound will 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 an...

Page 79: ...que of 18 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 whe...

Page 80: ...e for fifteen minutes or more Measure the temperature of the intake and discharge air Ensure the difference between the intake temperature and the discharge is more than 8 C CHECK ITEMS Is there any gas leakage at flare nut connections Has the heat insulation been carried out at flare nut connection Is the connecting cable being fixed to terminal board firmly Is the connecting cable being clamped ...

Page 81: ...o button continuously for 5 seconds or less than 8 seconds the air conditioner starts operation at Cooling rated frequency beep will be heard at the 5th second ii Short the service terminal CN S of the outdoor printed circuit board The air conditioner starts operation at Cooling rated frequency b Heating Press the Auto button continuously for 8 seconds or less than 11 seconds the air conditioner s...

Page 82: ...pecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table to the right 82 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 83: ... operation Low Pressure High Pressure Electric current during operation Insufficient refrigerant gas leakage Clogged capillary tube or Strainer Short circuit in the indoor unit Heat radiation deficiency of the outdoor unit Inefficient compression Carry on the measurements of pressure electric current and temperature fifteen minutes after an operation is started 83 CS G95KE CU G95KE CS G125KE CU G1...

Page 84: ...rol is shorted the type of the previous abnormality and the protection control works will be displayed and repeated on the receiver for 4 times By starting forced cooling operation using AUTO button press AUTO button for 5 seconds or 8 seconds and short the Diagnostic Terminals at the remote control the previous abnormalities are deleted Depending on the type of abnormality you may be able to over...

Page 85: ...rigerant Air filter dirty F11 Cooling Heating cycle changeover abnormality 4 times occurance within 40 minutes 4 way valve V coil F91 Refrigeration cycle abnormality 2 times occurance within 30 minutes No refrigerant 3 way valve is closed F93 Outdoor compressor abnormal revolution 4 times occurance within 30 minutes Compressor Outdoor PCB F96 IPM power transistor overheating protection 4 times occ...

Page 86: ... is lower than 5 C after 4 minutes of operation the operation stops and restarts after 3 minutes If this phenomenon occurs for 4 times within 40 minutes F11 is displayed ii Cooling Operation When the indoor heat exchanger temperature is higher than 45 C after 4 minutes of operation the operation stops and restarts after 3 minutes If this phenomenon occurs for 4 times within 40 minutes F11 is displ...

Page 87: ... shipped 11 3 Remote Control By adding a jumper wire to the remote control side it is possible to select 4 transmission codes including one at time of delivery condition 1 Remote Control Indoor unit Note Switch SW B A J B Segment Display 1 A A At product delivery 2 B B 3 A Jumper wire C 4 B Jumper wire D Procedure Press the Auto button at indoor unit continuously for 11 seconds or 16 seconds beep ...

Page 88: ...1 Remove the Front Grille Fig 1 2 Remove the Indoor Control Board Fig 3 Fig 2 Fig 4 11 4 Disassembly of Parts a Indoor Control Board Removal Procedure 88 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 89: ...Fig 5 Fig 7 Fig 9 Fig 6 Fig 8 Fig 10 a Removal of Electronic Controller Procedure 89 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 90: ...Fig 11 Fig 13 Fig 15 Fig 12 Fig 14 c Indoor Fan Motor Removal Procedure 90 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 91: ...Fig 16 Fig 17 Fig 19 Fig 18 d Cross Flow Fan Removal Procedure 1 Remove Discharge Grille 1 Remove Cross Flow Fan 91 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 92: ...er be careful of electrostatic discharge Be save to return the wiring to its original position There are many high voltage components within the heat sink cover so never touch the interior during operation Wait at least two minutes after power has been turned off Fig 21 Fig 23 Note Use magnetic type of screw driver to avoid dropping of the screws 92 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 93: ...Fig 24 f Outdoor Fan Motor Removal Procedure Fig 26 Fig 26 Fig 25 Fig 27 f Propeller Fan Removal Procedure 93 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 94: ...12 Technical Data 94 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 95: ...95 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 96: ... 24 1 80 0 85 22 0 C 3 09 2 12 0 69 2 88 2 04 0 75 2 68 1 97 0 80 2 44 1 88 0 86 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 3 42 2 59 0 96 3 20 2 49 1 03 2 97 2 39 1 11 2 70 2 27 1 19 19 0 C 3 45 1 05 19 5 C 3 76 2 72 0 98 3 51 2 61 1 05 3 27 2 51 1 13 2 97 2 39 1 22 22 0 C 4 10 2 82 1 00 3 83 2 71 1 07 3 56 2 61 1 15 3 24 2 49 1 24 96 S G95...

Page 97: ...3 Exploded 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 97 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 98: ...0C763 CWA20C764 30 CONTROL BOARD COVER 1 CWH13463 31 CONTROL BOARD COVER 1 CWH13465 32 CONTROL BOARD COVER 1 CWH13466 33 CONTROL BOARD COVER 1 CWH13464 34 PARTICULAR PIECE 1 CWD931040 35 INDICATOR HOLDER 1 CWD931018 36 ELECTRONIC CONTROLLER RECEIVER 1 CWA74919 0 37 LEAD WIRE RECEIVER 1 CWA67C2913 38 INDICATOR COMPLETE 1 CWE39C1023 0 39 LEAD WIRE INDICATOR 1 CWA67C3477 40 SENSOR COMPLETE 1 CWA50C61...

Page 99: ...5 Exploded 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 99 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 100: ...R SENSOR 1 CWH32074 25 HOLDER SENSOR 1 CWH32082 26 SENSOR COMPLETE 1 CWA50C614 0 27 TERMINAL COVER 1 CWH171001 28 NUT 1 CWH7080300 29 CONTROL BOARD 1 CWH10978 30 DIODE BRIDGE 1 1 A54S25VB60 0 31 DIODE BRIDGE 2 1 A54D15VBA80 A54D25VB80 0 32 CAPACITOR 1 2 CWA30201 1 CWA30200 2 0 33 HOLDER CAPACITOR 1 CWH30183 CWH30184 34 SH CAPACITOR 1 CWA31137 0 35 LEAD WIRE COMPLETE ZNR 1 CWA67C3041 CWA67C3042 36 ...

Page 101: ...393G22 IC4 INTEGRATED CIRCUIT A52PST600DR IC5 IC6 INTEGRATED CIRCUIT A52A2003GR2 IC7 IC8 INTEGRATED CIRCUIT A52C108 ICX INTEGRATED CIRCUIT A532122A CWA742328 A532123A CWA742329 PC1 PHOTO COUPLER A52S2501L1KC PC2 PHOTO COUPLER A52TLP371LF PC3 PHOTO COUPLER A52LP521L1BL Q1 Q3 TRANSISTOR A55DC143XKTX Q4 Q10 TRANSISTOR A55DA143XKTX SW4 SWITCH A01059 T1 TRANSFORMER A40C295 ZNR1 ZNR ERZVEAV511 ZNR2 ZNR ...

Page 102: ...NTEGRATED CIRCUIT A52MPC339C ICX SERIAL PROM A53716B CWA742342 A53717B CWA742343 LED1 LED A54SLR342DB7 PC1 PC3 PC12 PC13 PHOTO COUPLER A52S2501 1PC PC2 PHOTO COUPLER A52LP521 3GB PC4 PHOTO COUPLER A52PS2633E PC5 PHOTO COUPLER A52S2501 1LC PC6 PC11 PHOTO COUPLER A52LP521 1GH Q1 TRANSISTOR A55C070 Q4 TRANSISTOR A55DTA143XST Q5 TRANSISTOR A55C1740STPQ Q6 TRANSISTOR A55DTC143XST Q7 TRANSISTOR A55DTA14...

Page 103: ...114 R115 R116 R117 R118 R119 R120 R121 R113 3 1 2 24 23 22 17 18 19 20 21 15 14 13 11 12 16 7 6 4 8 10 9 5 QF QA QC QB QD QE QG QL QJ QI QH QK QO QM QN QP VCC R CKS A CLK OE GND 430 x 9 1000P x 4 C102 C101 C103 C104 R111 R110 R108 R109 180 x 4 1 5µ C105 C106 0 01µ R112 100k R122 10k IC101 A52M66311FP R102 R105 R104 R103 R101 R106 R107 820 x 7 DISPLAY RECEIVER 1 5µ T C7 1k R31 PIPE TEMP SENSOR 20k ...

Page 104: ... 70 71 72 73 74 75 76 77 78 79 80 C16 0 01µ g f IC1 A5278366F114 R55 10k 10k R32 4 3 2 8 1 R69 26 7k R25 220 49 9k R26 C42 R27 5 49k 10µ C28 1000P 1000P IC3 A52MPC393G22 R50 5 1k R71 5 1k R77 5 1k A541SS355 x 3 D8 D7 D5 1k R3 10k R2 J1 R18 1k R57 10k R4 10k GND CHECK PIN DISPLAY SEGMENT DRIVE DATA TRANSMISSION RESET OSC 4MHz TIMER SHORTEN RELAY DRIVE BUZZER CONTROL FAN MOTOR SPEED STANDBY GND AUTO...

Page 105: ...81 510k D9 A54D1F60 D E FC 22µ C10 c b e 10k 4 7k R1 1k Q1 A55DC143XKTX 0 01µ C2 L5 0 01µ C38 1000P C29 C40 1000P 630V 630V FA 390µ C36 2200P C39 5600P C41 25 5k R19 R20 18 2k R22 0 33 23 4 11 12 13 14 2 22 1 17 15 6 28 21 19 5 3 8 1000P C25 R60 1M C23 1000P 1000P C24 2 3 4 5 6 7 8 9 10 11 12 16 15 13 14 14 13 15 16 12 11 10 9 8 7 6 5 4 3 2 1 DRIVE CIRCUIT SENSOR CIRCUIT LOGIC LOGIC LOGIC RA RA RA...

Page 106: ... YLW A5448YPXTA3E RY PWR RY FM RA1 10k X 5 R45 10k STN BY R43 1k L1 A43036 R44 51k µPA2003C IC2 R47 1k A5278214WC26 IC1 2 1 TEST NH 2 AC1 AC2 YEL XH 4 L2 A43036 C37 22µ 10V 10 7 9 5 12 1 16 2 15 13 4 11 6 14 3 8 e c b 5 3 2 1 620 10V 470µ C18 IC4 78M05 REGULATOR G I O 5V C47 0 1µ ECQV C33 470µ 16V C28 220µ 16V 10k R52 CS DL 5V 1000PF AC250V C15 5 4 CT1 4 T3 15A L250V FUSE1 R41 4 5 1 2 1 2 3 4 5 8 ...

Page 107: ...p x 3 C34 C35 C36 1 2 11 12 10 9 4 3 8 7 6 5 R29 R28 R27 1 5k x 3 PC2 A52LP521 3 560 R68 R69 560 SXE 680 FUSE2 T3 15A L250V IC6 A52AN78L10 REGULATOR G I O 10V 10V I O G REGULATOR A52AN79L10 IC7 PC1 4 3 TLP521 I 2 1 4 7k R76 R23 IC8 8 9 14 R74 240k 750k R19 1 7 6 IC8 1 2 TLP521 I 3 4 PC13 PC12 4 3 TLP521 I 2 1 4 5 2 R12 510k R80 4 7k 4 7k R28 0 01µ 5 23k R11 C16 R9 4 53k 3 C14 R1 5 23k 0 01µ 12 2 5...

Page 108: ...N CT Vout Vsen GND GND Vfo Vcc Vin 13 CT Vout Vsen GND GND Vfo Vcc Vin 15 14 10 11 630v 1µ C40 ECQE Q8 ECQV 50V C11 0 33µ R14 75k 619k R15 383k R84 R83 499k R13 499k 75k R16 0 33µ C12 50V ECQV ECQV 50V C13 0 33µ R18 75k 619k R17 383k R82 IC5 A52BX454 XH3 CN MTR 1 2 3 COMPRESSOR POSITION DETECTION COMPRESSOR ROTOR Temp 100 ACV 100 ACV 100 ACV 108 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 109: ...109 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 110: ...safety control 2 min 58 sec 0 sec Outdoor timer status shift time 30 sec 0 sec 60 sec Intake air temp sampling time 20 sec 0 sec Auto mode judgement sampling time 1 hr 6 sec 24 hours ON OFF timer 1 hour 1 min Heating SSHi fan speed shift 120 min 12 sec Cooling SHi fan speed shift 30 min 3 sec Hot start forced completion 4 min 0 sec 30 min 3 sec Outdoor timer status shift time 90 min 9 sec 180 min ...

Page 111: ...sec 3 sec 120 min 24 sec Deice detection 80 min 16 sec 40 min 8 sec 40 min 8 sec Deice forced completion 11 min 66 sec Hz lock time 30 sec 0 sec Outdoor fan delay operation control 30 sec 3 sec 4 way valve delay operation control 3 min 18 sec 111 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 112: ...18 1 PRINT PATTERN INDOOR UNIT PRINTED CIRCUIT BOARD 112 S G95KE CU G95KE CS G125KE CU G125KE ...

Page 113: ...18 2 PRINT PATTERN OUTDOOR UNIT PRINTED CIRCUIT BOARDBOTTOM VIEW 113 CS G95KE CU G95KE CS G125KE CU G125KE ...

Page 114: ...114 S G95KE CU G95KE CS G125KE CU G125KE MACC Printed in Malaysia ...

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