Panasonic CS-C181KE User manual

ServiceManual

Room Air Conditioners

Contents

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

●Functions ...................................................2 – 4

●Product Specifications ...............................5 – 8

●Dimensions..............................................9 – 10

●Refrigeration Cycle Diagram .........................10

●Block Diagram ...............................................11

●Wiring Diagram..............................................12

●Operation Details...................................13 – 19

●Installation Information ..........................20 – 21

●3-way Valves .........................................22 – 28

●Servicing Information.............................29 – 32

●Troubleshooting Guide ..........................33 – 34

●Technical Data.......................................35 – 36

●Exploded View.........................................37, 39

●Replacement Parts List ...........................38, 40

●Electronic Parts List.......................................41

CS-C181KE / CU-C181KE

CS-C241KE / CU-C241KE

ORDER NO. MAC9806008C2

 1998 Matsushita Air-Conditioning Corp. Sdn. Bhd.

(183914D)

tion is a violation of law.

Untitled-8 6/19/00, 5:34 PM1

– 1 –

MAC9512086C2

CS-C181KE

WARNING

Thisserviceinformation isdesigned 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.

• High Efficiency

• High Efficiency Airflow Circuit

• Compact Design

• Removable and Washable

Front Panel

• Auto Restart after Power Failure

• Long Piping up to 25m

• Deodorizing Air Filter

• Deodorizing Control during

operation

Features

PRECAUTION OF LOW TEMPERATURE

In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigeration circuit.

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– 2 –

MAC9512086C2

CS-C181KE

Remote Control

Functions

Operation OFF / ON

OFF / ON IRoom Temperature Setting

TEMP.

• Temperature Setting (16˚C to 30˚C)

• Automatic Operation

m /n 2˚C lower than standard

n Standard

n -o 2˚C higher than standard

Operation Mode Selection

•AUTO Automatic Operation Mode

•COOL Cooling Operation Mode

•DRY Soft Dry Operation Mode

•FAN Air Circulation Mode

MODE

TIME Time / Timer Setting

• Hours and minutes setting.

Clock Setting

• Current time setting.

Sleep Mode Operation OFF / ON

SLEEP

Indoor Fan Speed Selection

FAN SPEED

•h j k Low Speed

•h j k Medium Speed

lll

•h j k High Speed

lllll

•AUTOFAN Automatic Fan Speed

•SWING Automatic Airflow Direction

Control

•MANUAL Airflow Direction Manual Control

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

(q)

AIR SWING

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– 3 –

MAC9512086C2

CS-C181KE

Indoor Unit

Functions

Power Switch OFF / ON

POWER I

Temporary Operation Switch

• Used when the remote control cannot be

used.

Remote Control Signal Receiving

Sound Control

• It can be controlled by pressing Temporary

Operation Switch for 10 seconds.

AUTO

OFF / ON

Operation Test Running / Pump

Down Switch

TEST RUN

OFF / ON

Operation Indication Lamps (LED)

•POWER (Red)...... Lights up in operation,

blinks in Automatic

Operation Mode judging

•SLEEP (Orange)..... Lights up in Sleep

Mode Operation

•TIMER (Orange)..... Lights up in Timer

Setting

Auto Restart Control

• Operation is restarted after power failure

at previous setting mode.

Anti-Freezing Control

• Anti-Freezing control for indoor heat

exchanger. (Cooling and Soft Dry)

• Used when test running or servicing.

Sleep Mode Auto Control

• Indoor Fan operates at Low fan speed.

• Operation stops after 8 hours.

• High, Medium and Low.

• Automatic Fan Speed Mode

– Cooling : Fan rotates at Hi and Me

speed. Deodorizing control is

available.

– Soft Dry : Fan rotates at SLo and Lo

speed. Deodorizing control is

available.

Operation Mode

• Cooling, Soft Dry, Air Circulation and

Automatic Mode.

Time Delay Safety Control

• Restarting is inhibited for appro. 3 minutes.

7 Minutes Time Save Control

• Cooling Operation only.

Indoor Fan Speed Control

• Automatic air swing and manual adjusted

by remote control for vertical airflow.

• Manually adjusted by hand for horizontal

airflow.

Airflow Direction Control

• Indoor Fan is delayed for 1.6 seconds when

compressors, Outdoor Fan and Indoor Fan

start simultaneously.

Starting Current Control

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– 4 –

MAC9512086C2

CS-C181KE

Outdoor Unit

Functions

Overload Protector

• Inner protector

60 Secs. Forced Operation Control

• Once the compressor is activated, it does

not stop for 60 secs. (Stops immediately

with remote control stop signal.)

Outdoor Fan Operation Control

•

4-pole induction motor (2-speed)

• For Cooling or Soft Dry Operation

Hi-speed … when outdoor temperature

reaches to 31°C

Lo-speed … when outdoor temperature

reaches to 29°C

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– 5 –

MAC9512086C2

CS-C181KE

Product Specifications

Inner diameter

Length

Input

Running Current

COP

Starting Current

Cooling 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

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

5.40 - 5.30

18,400 - 18,100

2.9

6.1

Single

240 - 220

2,080 - 1,930

10.7 - 10.0

2.60 - 2.75

CS-C181KE

SIDE VIEW

11.2 (400)

13.0 (460)

13.7 (480)

–

High 43 - 42, Low 38 - 37

G ; Half Union 1/2"

L ; Half Union 1/4"

G (gas side) ; 1/2"

L (liquid side) ; 1/4"

0.75

2.1

3 (1.5 mm2)

11-7/16 (290)

38-19/32 (980)

7-11/16 (195)

29 (13)

–

Cross-flow Fan

AS + Glass Fiber 30%

Induction (4-poles)

1,005

1,085

1,155

CU-C181KE

TOP VIEW

–

11.7 (410)

High 56 - 54

G ; 3-way valve 1/2"

L ; 3-way valve 1/4"

G (gas side) ; 1/2"

L (liquid side) ; 1/4"

–

26-31/32 (685)

31-1/2 (800)

11-13/16 (300)

130 (59)

Rotary (1 cylinder)

rolling piston type

Induction (2-poles)

1.7

Propeller Fan

AES + Glass Fiber 16%

Induction (4-poles)

155.4

670

–

1,025

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– 6 –

MAC9512086C2

CS-C181KE

(Plate fin configuration, forced draft)

Capillary Tube

Product Specifications

µF, VAC

Length

Flow Rate

Inner Diameter

Material

Style

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

Heat

Exchanger

Refrigerant Control Device

Refrigeration Oil

Refrigerant (R-22)

Thermostat

Protection Device

Capillary Tube

Air Filter

Capacity Control

Compressor Capacitor

Fan Motor Capacitor

Unit

(cm3)

g (oz)

s/min

Description

Tube material

Fin material

Fin Type

Row / Stage

FPI

Size (W ×H ×L)

CU-C181KE

Condenser

Copper

Aluminium

Corrugated Fin

2 ×31

×651.0 ×25.4

Capillary Tube

SUNISO 4GDID or

ATMOS M60 (700)

1,140 (40.2)

Mechanical Control

Inner Protector

611

27.0

2.1

–

35 µF, 370VAC

3.5 µF, 400VAC

775.2

754.5

CS-C181KE

Evaporator

Copper

Aluminium

Slot Fin

2 ×14

732 ×294 ×25.4

–

Electronic Control

–

P.P.

Honeycomb

–

1.5 µF, 400VAC

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– 7 –

MAC9512086C2

CS-C181KE

6.65 - 6.60

22,700 - 22,500

3.8

8.0

Single

240 - 220

2,890 - 2,750

14.4 - 13.4

2.30 - 2.40

Unit

Btu/h

s/h

Pint/h

Phase

Cycle

OUTLET

INTAKE

m3/min (cfm)

dB (A)

W/W

inch

inch (mm)

lb (kg)

rpm

Product Specifications

Inner diameter

Length

Input

Running Current

COP

Starting Current

Cooling 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

Indoor Air (Lo)

Indoor Air (Me)

Indoor Air (Hi)

Outdoor Air

CS-C241KE

SIDE VIEW

13.5 (480)

14.6 (520)

15.7 (550)

–

High 47 - 46, Low 41 - 40

G ; Half Union 5/8"

L ; Half Union 1/4"

G (gas side) ; 5/8"

L (liquid side) ; 1/4"

0.75

2.1

3 (2.5 mm2)

11-7/16 (290)

38-19/32 (980)

7-11/16 (195)

31 (14)

–

Cross-flow Fan

AS + Glass Fiber 30%

Induction (4-poles)

62.4

1,135

1,230

1,310

CU-C241KE

TOP VIEW

–

14.4 (510)

High 61 - 59

G ; 3-way valve 5/8"

L ; 3-way valve 1/4"

G (gas side) ; 5/8"

L (liquid side) ; 1/4"

–

26-31/32 (685)

31-1/2 (800)

11-13/16 (300)

137 (62)

Rotary (1 cylinder)

rolling piston type

Induction (2-poles)

2.2

Propeller Fan

AES + Glass Fiber 16%

Induction (4-poles)

189.8

108

755

–

1,210

Untitled-1 6/19/00, 5:10 PM7

– 8 –

MAC9512086C2

CS-C181KE

Heat

Exchanger

Refrigerant Control Device

Refrigeration Oil

Refrigerant (R-22)

Thermostat

Protection Device

Capillary Tube

Air Filter

Capacity Control

Compressor Capacitor

Fan Motor Capacitor

Product Specifications

Description

Tube material

Fin material

Fin Type

Row / Stage

FPI

Size (W ×H ×L)

Unit

(cm3)

g (oz)

s/min

µF, VAC

Length

Flow Rate

Inner Diameter

Material

Style

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

769.2

732.9

(Plate fin configuration, forced draft)

Capillary Tube

CU-C241KE

Condenser

Copper

Aluminium

Corrugated Fin

2 ×26

×660.4 ×44

Capillary Tube

SUNISO 4GDID or

ATMOS M60 (1,130)

1,960 (69.2)

Mechanical Control

Inner Protector

960

23.0

2.4

–

50 µF, 370VAC

3.5 µF, 450VAC

CS-C241KE

Evaporator

Copper

Aluminium

Slot Fin

2 ×14

732 ×294 ×25.4

–

Electronic Control

–

P.P.

Honeycomb

–

1.5 µF, 400VAC

Untitled-1 6/19/00, 5:10 PM8

– 9 –

MAC9512086C2

CS-C181KE

Dimensions

CS-C181K / CS-C241K

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

142

Remote control transmitter

980

290

195

direction

Air intake

Air outlet direction

Left piping hole

Right piping hole

Lower piping hole

165

2,100

Approx

48.5

Approx. 706

Gas side Liquid side

Installation plate hooks

Drain ports

(39) 892 (49)

276 7

(59.5)

(165)

100 100

Slot (2 places)

Indoor unit external

dimensions line

Installation plate

Left piping hole

Arrow

Centre

Right piping hole

Installation plate positioning gauge

350

561

13.5

(Ø 70)

(335.5)

piping hole

(Ø 70)

Unit : mm

Untitled-1 6/19/00, 5:10 PM9

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