Panasonic CS-MC120KE Manuel utilisateur

ServiceManual

Multi-Split Air Conditioner

Contents

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

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

●Product Specification.................................5 – 6

●Dimensions................................................7 – 8

●Refrigeration Cycle Diagram ...........................9

●Block Diagram ...............................................10

●Wiring Diagram..............................................11

●Operation Details...................................12 – 18

●Installation Information ..........................19 – 20

●2-way, 3-way Valves..............................21 – 27

●Servicing Information.............................28 – 31

●Troubleshooting Guide ..........................32 – 33

●Technical Data...............................................34

●Exploded View.........................................35, 37

●Replacement Part List .............................36, 38

●Electronic Parts List.......................................39

CS-MC120KE / CU-MC240KE

ORDER NO. MAC9611041C2

 1996 Matsushita Industrial Corp. Sdn. Bhd.

(11969-T)

tion is a violation of law.

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– 1 –

MAC9611041C2

CS-MC120KE

WARNING

Thisserviceinformationisdesignedfor experienced repairtechnicians onlyand isnot designedfor useby thegeneral public.Itdoesnotcontain

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.

PRECAUTION OF LOW TEMPERATURE

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

• High Efficiency

• Compact Design

• Comfort Improvement

– Wider range of horizontal discharge air

– Longer hours of sleep mode operation

• Auto Restart

– Auto restart operation after power failure

• Removable and Washable

Front Panel

• Installation Work Improvement

– Long piping up to 15 m.

• Quality Improvement

– Low voltage protection

– Gas leakage protection

– Prevent compressor reverse cycle

– 2-stage OLP to protect compressor

• Service Improvement

– Easy fan motor replacement procedure

Features

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– 2 –

MAC9611041C2

CS-MC120KE

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 –

MAC9611041C2

CS-MC120KE

Indoor Unit

Functions

Power Switch OFF / ON

POWER I

Auto Operation Switch

• Used when the remote control cannot be

used.

Remote Control Signal Receiving

Sound Control

• It can be controlled by pressing Auto

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 and stops at 4-second

intervals at low speed.

• Operation stops after 8 hours.

Indoor Fan Speed Control

• 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.

Airflow Direction Control

• Automatic air swing and manual adjusted

by remote control for vertical airflow.

• Manually adjusted by hand for horizontal

airflow.

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.

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– 4 –

MAC9611041C2

CS-MC120KE

Compressor Reverse Rotation

Protection Control

Outdoor Unit

Functions

• To protect compressor from reverse

rotation when there is a instantaneous

power failure.

Overload Protector

• 2-Stage OLP to protect the compressor.

Overload Protector will trip when

– Temperature of compressor increases to

120°C.

– High temperature or high current flows to

compressor.

(Refer circuit diagram for OLP

characteristic)

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

•

Inner protector.

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– 5 –

MAC9611041C2

CS-MC120KE

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

CU-MC240KE

TOP VIEW

–

22.0 (780)

(1 Unit) (2 Unit)

High 49 - 48, High 52 - 51

G ; 3-way valve 1/2"

L ; 2-way valve 1/4"

G (gas side) ; 1/2"

L (liquid side) ; 1/4"

–

41-5/32 (1045)

30-23/32 (780)

9-21/32 (245)

179 (81)

Rotary (1 cylinder)

rolling piston type

Induction (2-poles)

1,100 ×2

Propeller Fan

AES + Glass Fiber 16%

Induction (6-poles)

60.7 ×2

20 ×2

–

730

CS-MC120KE

SIDE VIEW

7.3 (260)

7.6 (270)

8.3 (290)

–

High 39 - 39, Low 36 - 35

G ; Half Union 1/2"

L ; Half Union 1/4"

G (gas side) ; 1/2"

L (liquid side) ; 1/4"

0.7

2.1

3 (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%

Induction (4-poles)

1,200

1,250

1,360

3.50 ×2 - 3.45 ×2

11,900 ×2 - 11,800 ×2

2.0 ×2

4.2 ×2

Single

240 - 220

1,260 ×2 - 1,210 ×2

5.7 ×2 - 5.7 ×2

2.7 - 2.8

25 ×2

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– 6 –

MAC9611041C2

CS-MC120KE

Product Specifications

Description

Tube material

Fin material

Fin Type

Row / Stage

FPI

Size (W ×H ×L)

µF, VAC

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

Compressor Capacitor

Fan Motor Capacitor

Unit

(c.c)

g (oz)

s/min

(Plate fin configuration, forced draft)

Capillary Tube

CS-MC120KE

Evaporator

Copper

Aluminium

Slot Fin

2 ×12

600 ×252 ×25.4

–

Electronic Control

–

P.P.

Honeycomb

–

1.0 µF, 450 VAC

CU-MC240KE

Condenser

Copper

Aluminium

Corrugated Fin

1 ×19

776.2 ×482.6 ×22

Capillary Tube

SUNISO 4GDID or

ATMOS M60 (430 ×2)

670 ×2 (23.7 ×2)

–

2-Stage Overload Protector

560

16.7

1.7

–

30 µF, 370 VAC

(Upper unit)1.0 µF, 400 VAC

(Lower unit)1.2 µF, 400 VAC

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

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– 7 –

MAC9611041C2

CS-MC120KE

Dimensions

CS-MC120KE

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

790

48.5

290

175

34.5

direction

Air intake

Air outlet

direction

Left piping hole Right piping hole

290

115

55 60

2100

142

Remote control transmitter

(45)(410)

<Back View> Installation plate hooks

Drain ports Gas

side Liquid

side

(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

Installation plate positioning gauge

350

457

13.5

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– 8 –

MAC9611041C2

CS-MC120KE

Dimensions

CU-MC240KE

67104

105105 570 280

312

112

67466 1045

780 57 245

Gas side

3-way valve

Liquid side

2-way valve

Unit A

Unit B

2-way valve

Liquid side

3-way valve

Gas side

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– 9 –

MAC9611041C2

CS-MC120KE

Refrigeration Cycle Diagram

CS-MC120KE / CU-MC240KE

COMPRESSOR

SENSOR

TEMP.

AIR HEAT

EXCHANGER

TEMP.

INDOOR OUTDOOR

HEAT EXCHANGER

(EVAPORATOR)

HEAT EXCHANGER

(CONDENSER)

2-WAY

VALVE

3-WAY

CAPILLARY TUBE

SENSOR

INTAKE

SENSOR

CAPILLARY TUBE

3-WAY

VALVE

2-WAY

(CONDENSER)

HEAT EXCHANGER

(EVAPORATOR)

HEAT EXCHANGER

TEMP.

EXCHANGER

HEAT

AIR

TEMP.

SENSOR

COMPRESSOR

Untitled-2 6/30/00, 1:17 PM9

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