Panasonic GS-G90KE User manual

ServiceManual

Room Air Conditioners

CS-G90KE / CU-G90KE

CS-G120KE / CU-G120KE

 1996 Matsushita Air-Conditioning Corp. Sdn. Bhd.

tion is a violation of law.

ORDER NO. MAC9609040C2

Contents

●Features ..........................................................1

●Functions ...................................................2 – 6

●Product Specifications .............................7 – 10

●Dimensions............................................11 – 12

●Refrigeration Cycle Diagram .........................13

●Block Diagram ...............................................14

●Wiring Diagram......................................15 – 16

●Operation Details...................................17 – 48

●Installation Information ..........................49 – 50

●Servicing Information.............................51 – 62

●Technical Data.......................................63 – 64

●Exploded View.........................................65, 67

●Replacement Parts List ...........................66, 68

●Electronic Parts List...............................69 – 70

Untitled-2 6/29/00, 10:40 AM1

– 1 –

CS-G90KE

Features

WARNING

Thisserviceinformationisdesigned forexperienced repair techniciansonly andis notdesigned foruse bythe generalpublic. Itdoes notcontain

warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. Products powered by electricity

should be serviced or repaired only by experienced professional technicians. Any attempt to service or repair the product or products dealt with

in this service information by anyone else could result in serious injury or death.

• Product

– Powerful Mode for quick cool/heat

– Compressor operating frequency control to maintain

desired room temperature

– Automatic Restart after power failure

– Battery weak indication mark at remote control

– Washable front panel

– Power Monitor Display

• Serviceability

– Self diagnosis

– TestRunatbothCoolingandHeatingratedfrequency

• Quality Improvement

– High power supply voltage protection

– Low power supply voltage protection

– Gas leakage detection

Untitled-1 6/29/00, 10:39 AM1

– 2 –

MAC9609040C2

CS-G90KE

Remote Control

Functions

Operation OFF / ON Room Temperature Setting

TEMP.

• Temperature Setting (16˚C to 30˚C).

Operation Mode Selection

•aAutomatic Operation Mode

•HEAT Heating Operation Mode

•COOL Cooling Operation Mode

•DRY Soft Dry Operation Mode

•FAN Fan Operation Mode

MODE

OFF / ON

Powerful Mode Operation

POWERFUL

Indoor Fan Speed Selection

FAN SPEED

•h j k Low

•h j k Medium–

•h j k Medium

lll

•h j k Medium+

llll

•h j k High

lllll

•AUTO FAN Automatic Fan Speed

• Automatic Airflow Direction

Control

• Airflow Direction Manual Control

Airflow Direction Control

AIR

SWING

AIR

SWING

AIR

SWING

Time / Timer Setting

• Hours and minutes setting.

Clock Setting

• Current time setting.

Sleep Mode Operation OFF / ON

SLEEP

• 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

Battery Indication

• Battery mark “

” blinks when the batteries

should be replaced.

Untitled-1 6/29/00, 10:39 AM2

– 3 –

CS-G90KE

Functions

Indoor Unit

Power Switch OFF / ON LL

LPower Monitor Display **

• Lights up during compressor operation.

Automatic Operation Switch

• Used when the remote control cannot be

used.

Remote Control Signal Receiving

Sound Control OFF/ON **

• It can be controlled by pressing Automatic

Operation Switch for 10 seconds.

Test Run Operation

• Used when test running or servicing.

• Compressor operation: rated frequency

Cooling: 72Hz (CS-G90KE), 78Hz (CS-G120KE)

Heating: 92Hz (CS-G90KE), 98Hz (CS-G120KE)

Operation Mode

• Automatic, Heating, Cooling, Soft Dry and

Fan Operation.

Automatic Restart Control **

• Operation is restarted after power failure at

previous setting mode.

POWER L

AUTO

OFF / ON

TEST RUN

OFF / ON

Operation Indication Lamps

•POWER (Red) – Lights up in operation,

blinks in Automatic

Operation judging and

Hot Start operation.

•TIMER (Orange) – Lights up in Timer

Setting.

Blinks in Self Diagnosis

Control.

•SLEEP (Orange) – Lights up in Sleep Mode

Operation.

Sleep Operation Mode **

Timer Operation **

Powerful Mode **

• For quick cooling or heating

Indoor Fan Speed Control **

Airflow Direction Control **

FOR ALL OPERATIONS

Untitled-1 6/29/00, 10:39 AM3

MAC9609040C2

CS-G90KE

Deodorizing Control **

Sensible Heat Control **

Anti-Fog Discharge Control **

Anti-Dew Formation Control **

Anti-Freezing Control **

Quiet Operation **

Anti-Cold Draft Control **

Hot Start **

Intake Air Temperature Control **

High Pressure Control **

Functions Functions

– 4 – – 5 – – 6 –

Room Temperature Control **

COOLING/SOFT DRY OPERATION HEATING OPERATION

FAN OPERATION

AUTOMATIC OPERATION

Outdoor Fan Motor

Time Delay Safety Control **

Forced Operation 30 seconds **

High Pressure Control **

(For Cooling/Soft Dry)

DC Peak **

DC Reset **

Total Running Current Control **

Compressor Overheating

Protection **

Power Transistor Overheating

Protection **

• 6 poles induction motor, 1 speed.

*Details can be refered to OPERATION

DETAIL in this manual.

Low Frequency Operation

Protection **

Minimum Frequency Operation

Protection **

Outdoor Air Temperature

Control **

• Detect outdoor ambient temperature

and limits compressor operating

frequency

Functions

Outdoor Unit

Operation Mode

Cooling

Soft Dry

Heating

CS-G90KE

25 – 83 Hz

25 – 36 Hz

25 – 118 Hz

CS-G120KE

25 – 94 Hz

25 – 38 Hz

25 – 118 Hz

Compressor Operation Frequency

Temperature Shift **

Self Diagnosis **

Low Pressure Control **

(Gas Leakage Detection)

High Power Supply Voltage

Protection **

Indoor Power Relay Control **

Untitled-3 6/29/00, 10:44 AM4

MAC9609040C2

CS-G90KE CS-G90KE CS-G90KE

3.45 (1.06 - 3.85)

11,700 (3,600 - 13,100)

4.80 (0.98 - 6.10)

16,300 (3,300 - 20,800)

2.0

4.2

Single

230

Cooling ; 1.24 (0.355 - 1.53)

Heating ; 1.70 (0.34 - 2.10)

Cooling ; 5.5 (max. 6.7)

Heating ; 7.5 (max. 9.1)

Cooling ; 2.8

Heating ; 2.9

9.1

2.6 (0.88 - 2.90)

8,800 (3,000 - 9,900)

3.6 (0.78 - 4.80)

12,200 (2,600 - 16,300)

1.6

3.4

Single

230

Cooling ; 0.88 (0.29 - 1.01)

Heating ; 1.11 (0.275 - 1.44)

Cooling ; 4.3 (max. 4.7)

Heating ; 5.0 (max. 6.5)

Cooling ; 3.0

Heating ; 3.2

6.5

Cooling Capacity

Heating Capacity

Moisture Removal

Power Source

Airflow Method

Air Volume

Noise Level

Electrical

Data

Piping Connection Port

(Flare piping)

Pipe Size

(Flare piping)

Drain

Hose

Power Cord Length

Number of core-wire

Dimensions

Net Weight

Compressor

Air Circulation

Product Specifications

Inner diameter

Length

Input

Running Current

COP

Starting Current

Height

Width

Depth

Type

Motor Type

Rated Output

Type

Material

Motor Type

Input

Rated Output

Fan Low

Speed Medium

High (Heating)

Indoor Air (Lo)

Indoor Air (Me)

Indoor Air (Hi)

Outdoor Air

Unit

Btu/h

s/h

Pint/h

Phase

Cycle

OUTLET

INTAKE

m3/min (cfm)

dB (A)

W/W

inch

inch (mm)

lb (kg)

rpm

CS-G90KE

SIDE VIEW

Cooling ; 6.4 (226)

Heating ; 6.4 (226)

Cooling ; 7.2 (254)

Heating ; 7.2 (254)

Cooling ; 8.3 (293)

Heating ; 9.4 (332)

–

Cooling ; High 38, Low 30

Heating ; High 39, Low 30

G ; Half Union 3/8"

L ; Half Union 1/4"

G (gas side) ; 3/8"

L (liquid side) ; 1/4"

0.7

2.1 m

3 core wires ×1.0 mm2

11-7/16 (290)

31-15/32 (799)

6-29/32 (175)

18 (8.0)

–

Cross-flow Fan

AS + Glass Fiber 30%

Transistor (4-poles)

–

1,000

1,120

1,300 (1,460)

– 7 – – 9 –

Product Specifications

Description

Tube material

Fin material

Fin Type

Row / Stage

FPI

Size (W ×H ×L)

Length

Flow Rate

Inner Diameter

Material

Style

Heat

Exchanger

Refrigerant Control Device

Refrigeration Oil

Refrigerant (R-22)

Thermostat

Protection Device

Capillary Tube

Air Filter

Capacity Control

Fan Motor Capacitor

Unit

(c.c)

g (oz)

s/min

µF, VAC

(Plate fin configuration, forced draft)

Capillary Tube

CS-G90KE

Evaporator

Copper

Aluminium

Slit Fin

2/12

600 ×252 ×25.4

–

Electronic Control

–

P.P.

Honeycomb

–

– 8 –

Product Specifications

Inner diameter

Length

Input

Running Current

COP

Starting Current

Cooling Capacity

Heating Capacity

Moisture Removal

Power Source

Airflow Method

Air Volume

Noise Level

Electrical

Data

Piping Connection Port

(Flare piping)

Pipe Size

(Flare piping)

Drain

Hose

Power Cord Length

Number of core-wire

Dimensions

Net Weight

Compressor

Air Circulation

Height

Width

Depth

Type

Motor Type

Rated Output

Type

Material

Motor Type

Input

Rated Output

Fan Low

Speed Medium

High (Heating)

Unit

Btu/h

s/h

Pint/h

Phase

Cycle

OUTLET

INTAKE

m3/min (cfm)

dB (A)

W/W

inch

inch (mm)

lb (kg)

rpm

Indoor Air (Lo)

Indoor Air (Me)

Indoor Air (Hi)

Outdoor Air

CS-G120KE

SIDE VIEW

Cooling ; 7.4 (261)

Heating ; 7.6 (268)

Cooling ; 8.1 (286)

Heating ; 8.3 (293)

Cooling ; 9.3 (328)

Heating ; 9.8 (346)

–

Cooling ; High 41, Low 37

Heating ; High 41, Low 37

G ; Half Union 1/2"

L ; Half Union 1/4"

G (gas side) ; 1/2"

L (liquid side) ; 1/4"

0.7

2.1 m

3 core wires ×1.5 mm2

11-7/16 (290)

31-15/32 (799)

6-29/32 (175)

18 (8.0)

–

Cross-flow Fan

AS + Glass Fiber 30%

Transistor (4-poles)

–

1,200

1,310

1,500 (1,550)

CU-G90KE

Condenser

Copper

Aluminium

Corrugated Fin

2/19

646.2 ×482.6 ×44

Capillary Tube

SUNISO 4GDID or

ATMOS M60 (260)

800 (28.2)

–

Electronic Control

Cooling ; 550, Heating ; 720

Cooling ; 12.5, Heating ; 5.8

Cooling ; 1.5 , Heating ; 1.2

–

1.2 µF, 400 VAC

CU-G90KE

TOP VIEW

–

23.5 (830)

Cooling ; 46

Heating ; 47

G ; 3-way valve 3/8"

L ; 2-way valve 1/4"

G (gas side) ; 3/8"

L (liquid side) ; 1/4"

–

19-29/32 (505)

30-23/32 (780)

9-21/32 (245)

86 (39)

Rotary (1 cylinder)

rolling piston type

Induction (2-poles)

500

Propeller Fan

AES + Glass Fiber 12%

Induction (6-poles)

–

675

CU-G120KE

TOP VIEW

–

26.4 (930)

Cooling ; 49

Heating ; 51

G ; 3-way valve 1/2"

L ; 2-way valve 1/4"

G (gas side) ; 1/2"

L (liquid side) ; 1/4"

–

19-29/32 (505)

30-23/32 (780)

9-21/32 (245)

92 (42)

Rotary (1 cylinder)

rolling piston type

Induction (2-poles)

650

Propeller Fan

AES + Glass Fiber 12%

Induction (6-poles)

–

780

• Specifications are subject to change without notice for further improvement.

Untitled-3 6/29/00, 10:44 AM5

– 10 –

MAC9509078C2

CS-G90KE

Heat

Exchanger

Refrigerant Control Device

Refrigeration Oil

Refrigeration (R-22)

Thermostat

Protection Device

Capillary Tube

Air Filter

Capacity Control

Fan Motor Capacitor

Description

Tube material

Fin material

Fin Type

Row / Stage

FPI

Size (W ×H ×L)

µF, VAC

Length

Flow Rate

Inner Diameter

Material

Style

(Plate fin configuration, forced draft)

Capillary Tube

CU-G120KE

Condenser

Copper

Aluminium

Corrugated Fin

2/19

646.2 ×482.6 ×44

Capillary Tube

SUNISO 4GDID or

ATMOS M60 (270)

970 (34.2)

–

Electronic Control

Cooling ; 880, Heating ; 535

Cooling ; 6.75, Heating ; 15.0

Cooling ; 1.2, Heating ; 1.6

–

1.5 µF, 400 VAC

Unit

(c.c)

g (oz)

s/min

Product Specifications

CS-G120KE

Evaporator

Copper

Aluminium

Slit Fin

2/12

600 ×252 ×25.4

–

Electronic Control

–

P.P.

Honeycomb

–

• Specifications are subject to change without notice for further improvement.

Untitled-4 6/29/00, 10:47 AM10

– 11 –

CS-G90KE

Dimensions

CS-G90KE / CS-G120KE

122

799

48.5

290

175

34.5

direction

Air intake

Air outlet

direction

Left piping hole Right piping hole

290

115

55 60

2100

(45)(410)

<Back View> Installation plate hooks

Drain ports Gas

side Liquid

side

Remote control transmitter

(40) 710 (40)

276 7

(60) (110)

100 100

Slot (2 places)

Centre notch

Indoor unit external

dimensions line

Installation plate

Left piping hole

Arrow

Arrow Centre Right piping hole

350

457

13.5

Relative position between the indoor unit and the installation plate <Front View>

Untitled-4 6/29/00, 10:47 AM11

– 13 –

CS-G90KE

Refrigeration Cycle Diagram

CS-G90KE / CU-G90KE

CS-G120KE / CU-G120KE

COMPRESSOR

4-WAY VALVE

C3 C2

CHECK VALVE

OUTDOOR AIR

TEMP.

SENSOR

TEMP.

INTAKE AIR

EXCHANGER

TEMP.

SENSOR

INDOOR OUTDOOR

COOLING

HEATING

HEAT EXCHANGER

(EVAPORATOR) HEAT EXCHANGER

(CONDENSER)

2-WAY

VALVE

3-WAY

C1, C2, C3; CAPILARRY TUBE

COMPRESSOR

TEMP.

SENSOR

TEMP.

SENSOR

HEAT

EXCHANGER

Untitled-4 6/29/00, 10:47 AM13

– 14 –

MAC9509078C2

CS-G90KE

FUSE

(3.15A)

C-BOX

THERMAL

FUSE

99°C

102°C

FUSE

THERMAL

TERMINAL

50Hz

230V

PHASE

SINGLE

SUPPLY

SWITCH RY-PWR

ELECTRONIC

CONTROLLER

ELECTRONIC

CONTROLLER

INCIDATOR

P.C.B.

RECEIVER

P.C.B.

FAN

MOTOR

STEPPING

MOTOR

WIRELESS

REMOTE CONTROL

TRANSMITTER

FUSE

NOISE FILLTER

RY-PWR

ELECTRIC

RESISTOR

RY-FM

RY-HOT

VALVE

4-WAY FAN

MOTOR

C-FM

–+

–

DIODE

CU-G120KE

ONLY

CONTROLLER

ELECTRONIC

COMPRESSOR

INDOOR UNIT OUTDOOR UNIT

POWER

(20A)

Block Diagram

"C"

Indicates the electronic control unit.

Indicates the number of core wires. (Example:5C=5 core wires).

CS-G90KE / CU-G90KE

CS-G120KE / CU-G120KE

Untitled-4 6/29/00, 10:47 AM14

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