Panasonic CS-A70KE Manuel utilisateur

Panasonic

ORDER

NO.

MAC9509078C2

Service

Manual

Room

Air

Conditioners

CS-A70KE

CU-A70KE

CS-A90KE

CU-A9S0KE

CS-A120KE

CU-A120KE

Contents

FOATULOS

iii

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lediarteenieatees

FUNCTIONS

«2.2...

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ceccceeeeeeceeeeseeeseeeeeeeueaeanaes

2-4

Product

Specification

............cceeeee

5-10

DIMENSIONS

.00....

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ccccecsseeeeeeeeeees

11-12

Refrigeration

Cycle

Diagram

.............:

eee

Block

Diagram

...........cccccccccccessssseeseeeeteeeeneeetes

WINING

DIAGIEO

oaccicdisssncetcoagetannetora

cases

15-16

Operation

Details

«0.0.0.0...

cccseeeeeeeees

17-27

Installation

Information...

2-way,

3-way

VAIVES

........

cece

reer

Servicing

Information

.............

cee

eee

37-40

Troubleshooting

Guide

............cceeee

41-42

Technical

Data

sinicccionsccersaicoeatishean

leas

43-46

Exploded

View

.............ccecseeceeesereseereeeeeees

47,49

Replacement

Part

Lists

...............

eee

48,

Electronic

Parts

Lists

.............c:c.ccccceceeeeeeen

1995

Matsushita

Air-Conditioning

Corp.

Sdn.

Bhd.

All

rights

reserved.

Unauthorized

copying

and

distribu-

tion

violation

law.

CS-A70KE

WARNING

This

service

information

designed

for

experienced

repair

technicians

only

and

not

designed

for

use

the

general

public.

does

not

contain

warnings

cautions

advise

non-technical

individuals

potential

dangers

attempting

service

product.

Products

powered

electricity

should

serviced

repaired

only

experienced

professional

technicians.

Any

attempt

service

repair

the

product

products

deait

with

this

service

information

anyone

else

could

result

serious

injury

death.

PRECAUTION

LOW

TEMPERATURE

order

avoid

frostbite,

assured

refrigerant

leakage

during

the

installation

repairing

refrigeration

circuit.

Features

High

Efficiency

Installation

Work

Improvement

—

Longpiping

upto

(3/4,

1.0

HP)

and

15m

(1.5

HP)

Compact

Design

Quality

Improvement

Comfort

Improvement

—

Low

voltage

protection

—

Wider

range

horizontal

discharge

air

Gas

leakage

protection

;

—

Prevent

compressor

reverse

cycle

—

Longer

hours

sleep

mode

operation

g P P

2-stage

OLP

protect

compressor

Auto

Restart

“

Auto

restart

operation

after

power

failure

Service

Improvement

—

Easy

fan

motor

replacement

procedure

—

Front

side

servicing

Removable

and

Washable

ront

side

servicing

for

outdoor

uni

Front

Panel

CS-A70KE

Functions

Remote

Control

/ON@

eo"

°F

Operation

OFF

Uso

Room

Temperature

Setting

Temperature

Setting

(16°C

30°C)

MODE

Automatic

Operation

-———

Operation

Mode

Selection

2°C

lower

than

standard

AUTO

Automatic

Operation

Mode

Standard

HEAT

Heating

Operation

Mode

2°C

higher

than

standard

COOL

Cooling

Operation

Mode

DRY

Soft

Dry

Operation

Mode

ON-TIMER

OFF-TIMER

|=,

; :

Timer

Operation

Selection

FAN

SPEED

door

Fat

Speed

Selection

24-hour,

OFF

Real

Timer

Setting.

®@

Low

Speed

TIME

;

t————,

Time

Timer

Setting

® ®

Medium

Speed

nan

Hours

and

minutes

setting.

@®

® ®

High

Speed

SET

AUTOFAN

Automatic

Fan

Speed

Timer

Operation

Set

Cancel

SWING

Timer

and

OFF

Timer

setting

and

MANA.

Airflow

Direction

Control

cancellation.

SWING

Automatic

Airflow

Direction

Sontio!

r——|

Clock

Settin

MANUAL

Airflow

Direction

Manual

Control

Current

time

setting.

SHEET

Sleep

Mode

Operation

OFF

CS-A70KE

Functions

Indoor

Unit

AUTO

TEST

RUN

Power

Switch

OFF

‘i

OFF

ane

Temporary

Operation

Switch

Used

when

the

remote

control

cannot

used.

Remote

Control

Signal

Receiving

Sound

Control

can

controlled

pressing

Temporary

Operation

Switch

for

seconds.

OfF/ON

Operation

Test

Running

Pump

Down

Switch

Used

when

test

running

servicing.

Operation

Indication

Lamps

(LED)

POWER

(Red)......

Lights

operation

Blinks

Automatic

Operation

Mode

judging

and

Hot

Start

operation

SLEEP

(Orange).....

Lights

Sleep

Mode

Operation

TIMER

(Orange).....

Lights

Timer

Setting

+——_

Operation

Mode

Heating,

Cooling,

Soft

Dry

and

Automatic

Mode.

—_

Time

Delay

Safety

Control

Restarting

inhibited

for

appro.

minutes.

Minutes

Time

Save

Control

Cooling

Operation

only.

Auto

Restart

Control

Operation

restarted

after

power

failure

setting

mode.

Anti-Freezing

Control

Anti-Freezing

control

for

indoor

heat

exchanger.

(Cooling

and

Soft

Dry)

Hot-Start

Control

The

indoor

fan

stops

until

the

indoor

heat

exchanger

temperature

over

30°C.

The

indoor

fan

operates

SLo

and

Lo”

when

indoor

heat

exchanger

temperature

reaches

30°C

41°C.

Hot

Start

completed

when

indoor

heat

exchanger

reaches

41°C.

Sleep

Mode

Auto

Control

The

operation

starts

SLo

speed

and

stops

after

hours.

——

indoor

Fan

Speed

Control

High,

Medium

and

Low.

Automatic

Fan

Speed

Mode

—

Heating

Fan

speed

varies

from

~>SLo

accordance

with

indoor

heat

exchanger.

—

Cooling

Fan

rotates

and

speed.

Deodorizing

control

available.

—

Soft

Dry

Fan

rotates

SLo

speed.

Deodorizing

control

available.

——s

—

Airflow

Direction

Control

Automatic

air

swing

and

manual

adjusted

remote

control

for

vertical

airflow.

Manually

adjusted

hand

for

horizontal

airflow.

CS-A70KE

Functions

Outdoor

Unit

Protection

Control

Outdoor

fan

stops

when

indoor

heat

exchanger

temperature

rises

51°C

and

restarts

when

the

indoor

heat

exchanger

temperature

drops

49°C.

Compressor

stops

when

indoor

heat

ex-

—

Overload

Protector

changer

temp.

reaches

65°C

above.

(Heating

Operation

only

2-stage

OLP

protect

the

compressor.

Overload

Protector

will

trip

when

High

Temperature

Compressor

Protection

Control

High

Current

the

outdoor

fan

motor

not

running

after

(Refer

circuit

diagram

for

OLP

characteristic)

compressor

starts

for

secs.,

compressor

will

stop.

(Cooling

and

Soft

Dry

Operation

Secs.

Forced

Operation

Control

only).

protect

compressor

from

reverse

rotation

when

there

instantaneous

power

failure.

—a

Once

the

compressor

activated,

does

not

stop

for

secs.

(Stops

immediate

with

remote

control

stop

signal.)

4-Way

Valve

Control

When

the

unit

switched

“OFF”

during

Heating

Operation,

4-way

valve

stays

Heating

position

for

minutes.

Deice

Control

prevent

frosting

outdoor

heat

exchanger.

(Only

for

Heating

Operation)

Outdoor

Fan

Operation

Control

Outdoor

indoor

heat

exchanger

sensed

;

TRS

(Thermal

Reed

Switch).

its

CS-A70KE

Product

Specifications

Unit

CS-A70KE

CU-A70KE

2.05

2.00

Cooling

Capacity

Btu/n

7,000

6,800

‘

2.15

2.10

Heating

Capacity

Btu/h

7,300

7,200

2/n

1.3

Moisture

Removal

Pint/h

Phase

Single

Power

Source

240

220

Cycle

OUTLET

SIDE

VIEW

TOP

VIEW

Airflow

Method

‘s

INTAKE

—

Ref}

Air

Volume

Indoor

Air

(Lo)

m/min

(cfm)

neo

indoor

Air

(Me)

m3/min

(cfm)

Indoor

Air

(Hi)

m?/min

(cfm)

Outdoor

Air

m?/min

(cfm)

22.4

(790)

Cooling

;

High

36/35,

Low

30/29

Cooling

;

High

47/45

Noise

Level

(A)

Healing

;

High

36/35,

Low

30/29

Heating

High

49/47

Electrical

Cooling

;

640

590

Data

Input

Heating

;

640

600

;

Cooling

;

3.1

3.0

Running

Current

Heating

3.1

3.0

Cooling

;

3.2

3.4

COP

Heating

;

3.4

3.5

Starting

Current

Piping

Connection

Port

inch

;

Half

Union

3/8"

3-way

valve

3/8"

(Flare

piping)

inch

;

Half

Union

1/4"

;

2-way

valve

1/4"

Pipe

Size

inch

(gas

side)

;

3/8"

(gas

side)

;

3/8"

(Flare

piping)

inch

(liquid

side)

;

1/4"

(liquid

side)

;

1/4"

Drain

Inner

diameter

Hose

Length

0.7

Power

Cord

Length

Number

core-wire

(1.0mm?)

Dimensions

Height

inch

(mm)

11-7/16

(290)

18-29/32

(480)

Width

inch

(mm)

31-15/32

(799)

30-23/32

(780)

Depth

inch

(mm)

6-29/32

(175)

9-21/32

(245)

Net

Weight

(kg)

(8.0)

(29.0)

Rotary

cylinder)

COmbiessoh

Type

rolling

piston

type

Motor

Type

Induction

(2-pole)

Rated

Output

550

Type

Cross-flow

Fan

Propeller

Fan

Air

Circulation

Material

Glass

Fiber

30%

AES

Glass

Fiber

12%

Motor

Type

Transistor

(4-pole)

Induction

(6-pole)

Input

58.6

Rated

Output

Fan

Low

rpm

950

Speed

Medium

rpm

1,030

High

rpm

1,150

730

Product

Specifications

oso

40)

Unit

CS-A70KE

CU-A70KE

Heat

Description

Evaporator

Condenser

Exchanger

Tube

material

Copper

Fin

material

Aluminium Aluminium

Fin

Type

Slot

Fin

Corrugated

Fin

Row

Stage

(Plate

fin

configuration,

forced

draft)

2x12

1x18

FPI

Size

600

252

25.4

856

457.2

Refrigerant

Control

Device

Capillary

Tube

Pin eg

~~T~SUNISO

4GDID

Refrigeration

Oil

(c.c)

ATMOS

M60

(290)

Refrigeration

(R-22)

(0z)

860

(30.4)

Thermostat

Electronic

Control

Protection

Device

Overload

Protector

Length

Cooling

;

920,

Heating

;

590

Capillary

Tube

Flow

Rate

e/min

Cooling

;

4.8,

Heating

;

8.2

Inner

Diameter

Cooling

;

1.1,

Heating

;

1.3

Air

Filter

lear

P.P.

Style

Honeycomb

Gapacity

Control

Capillary

Tube

Compressor

Capacitor

uF,

VAC

uF,

440VAC

[Fan

Motor

Capacitor

uF,

VAC

1.2

uF,

400VAC

Specifications

are

subject

change

without

notice

for

further

improvement.

CS-A70KE

Product

Specifications

Unit

CS-A90KE

CU-A9OKE

2.65

2.60

Cooling

Capacity

Btu/h

9,000

8,900

; :

3.15

3.00

Heating

Capacity

Btu/h

10,700

10,200

o/h

1.6

Moisture

Removal

Pint/h

Phase

aia

Single

Power

Source

240

220

Cycle

OUTLET

SIDE

VIEW

Airflow

Method

eat

Tan

chat}

Air

Volume

Indoor

Air

(Lo)

m?/min

(cfm)

ite

ep,

Indoor

Air

(Me)

m®/min

(cfm)

eit

Indoor

Air

(Hi)

m/min

(cfm)

aie

sad

Outdoor

Air

m/min

(cfm)

22.4

(790)

;

Cooling

;

High

38/38,

Low

30/30

Cooling

;

High

49/48

Noise,

Level

(A)

Heating

;

High

39/39,

Low

30/30

Hoare

;

High

49/47

Electrical

Cooling

;

930

880

Data

Input

Heating

;

950

880

Cooling

;

4.1

Running

Current

Heating

:4.2-

4.1

Cooling

;

2.8

3.0

COP

dad

Heating

;

3.3

3.4

Starting

Current

Piping

Connection

Port

inch

;

Half

Union

3/8"

;

3-way

valve

3/8"

(Flare

piping)

inch

L_;

Half

Union

1/4"

;

2-way

valve

1/4"

Pipe

Size

inch

(gas

side)

;

3/8"

(gas

side)

;

3/8"

(Flare

piping)

inch

(liquid

side)

;

1/4"

(liquid

side)

;

1/4"

Drain

Inner

diameter

Hose

Length

0.7

Power

Cord

Length

2.1

Number

core-wire

(1.0mm?)

Dimensions

Height

inch

(mm)

11-7/16

(290)

18-29/32

(480)

Width

inch

(mm)

31-15/32

(799)

30-23/32

(780)

Depth

inch

(mm)

6-29/32

(175)

9-21/32

(245)

Net

Weight

(kg)

(8.0)

(32.0)

Rotary

cylinder

piesser

Type

falling

Motor

Type

Induction

(2-pole)

Rated

Output

750

Type

Cross-flow

Fan

Propeller

Fan

Air

Circulation

Material

Glass

Fiber

30%

AES

Glass

Fiber

12%

Motor

Type

Transistor

(4-pole)

Induction

(6-pole)

{

Input

WwW

58.6

Rated

Output

WwW

Fan

Low

tpm

980

Speed

Medium

rpm

1,150

High

rpm

1,310

730

Product

Specifications

CS-A70KE

Unit

CS-A90KE

CU-A90KE

Heat

Description

Evaporator

Condenser

Exchanger

Tube

material

Copper

Fin

material

Aluminium

Fin

Type

Slot

Fin

Corrugated

Fin

Row

Stage

(Plate

fin

configuration,

forced

draft)

2x12

1x18

FPI

Size

600

252

25.4

856

457.2

Refrigerant

Control

Device

Capillary

Tube

Refrigeration

Oil

SUNIEO

SeDID

(c.c)

ATMOS

M60

(350)

Refrigeration

(R-22)

(02)

850

(30.0)

Thermostat

Electronic

Control

Protection

Device

Overload

Protector

Length

Cooling

;

1,033

Heating

;

585

Capillary

Tube

Flow

Rate

£/min

Cooling

;

4.8,

Heating

;

9.9

Inner

Diameter

Cooling

;

1.2,

Heating

;

1.4

Air

Filter

Bere

P.P.

Style

Honeycomb

Capacity

Control

Capillary

Tube

Compressor

Capacitor

uF,

VAC

uF,

370VAC

Fan

Motor

Capacitor

pF,

VAC

1.2

uF,

400VAC

Specifications

are

subject

change

without

notice

for

further

improvement.

CS-A70KE

Product

Specifications

Unit

CS-A120KE

CU-A120KE

3.50

3.45

Cooling

Capacity

Btu/h

11,900

11,800

4.10

4.00

Heating

Capacity

Btu/h

14,000

13,600

£/h

2.0

Moisture

Removal

Pint/h

4.2

Phase

Single

Power

Source

240

220

Cycle

OUTLET

SIDE

VIEW

TOP

VIEW

Airflow

Method

—

INTAKE

rus

Cooling

;

7.5

(260

Air

Volume

Indoor

Air

(Lo)

m/min

(cfm)

Heating

:7.8

Indoor

Air

(Me)

m/min

(cfm)

care

eee

dcpes

aii

Cooling

;

9.3

(330)

Indoor

Air

(Hi)

m/min

(cfm)

Heating

9.7

(340)

Outdoor

Air

m/min

(cfm)

22.0

(780)

;

Cooling

;

High

42/41,

Low

38/37

Cooling

;

High

49/48

Norse

eve

(A)

Heating

;

High

43/42,

Low

38/37

Heating

;

High

49/48

Electrical

Cooling

;

1.25

1.22

Data

Input

Heating

;

1.28

1.23

Running

Current

ihe

Cooling

;

2.8

COP

Heating

;

3.2

-3.3

Starting

Current

Piping

Connection

Port

inch

;

Half

Union

1/2"

3-way

valve

1/2"

(Flare

piping)

inch

;

Half

Union

1/4"

;

2-way

valve

1/4"

Pipe

Size

inch

(gas

side)

;

1/2"

(gas

side)

;

1/2"

(Flare

piping)

inch

(liquid

side)

;

1/4"

|___L

(liquid

side)

;

1/4"

Drain

Inner

diameter

Hose

Length

0.7

Power

Cord

Length

2.1

Number

core-wire

(1.0mm?)

Dimensions

Height

inch

(mm)

11-7/16

(290)

18-29/32

(480)

Width

inch

(mm)

31-15/32

(799)

30-23/32

(780)

Depth

inch

(mm)

6-29/32

(175)

9-21/32

(245)

Net

Weight

(kg)

(8.0)

(38.0)

Rotary

cylinder)

OMBISSSor

ype

rolling

piston

type

Motor

Type

Induction

(2-pole)

Rated

Output

WwW

1,100

Type

Cross-flow

Fan

Propeller

Fan

Air

Circulation

Material

Glass

Fiber

30%

AES

Glass

Fiber

12%

Motor

Type

Transistor

(4-pole)

Induction

(6-pole)

Input

58.6

Rated

Output

Fan

Low

rom

1,210

Speed

Medium

rpm

1,350

High

rpm

1,500

730

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