Panasonic NR-B203G-S7 Bedienungsanleitung

SPECIFICATION *)

Model

Voltage

Frequency

Input

Ampere

Oil Charge

Refrigerant Charge ( NON-CFC)

Temperature Control

Defrosting System

Cooling System ( Evaporator )

Dial Position

FC Room (

PC Room (

Blowing Agent

Thickness Insulation

Capacity (Litres)

Color Wide

Depth

Height

Net Weight **)

*) Specification subject to change without prior notice.

**) Weight and dimension are actual condition.

Matsushita Electric Industrial Co., Ltd.

Made in Indonesia -1-

Destination : Malaysia

NR - B203G-S7

Cabinet Dimension

( External Dimension)

46 kg

50 Hz

207 Liter ( FC = 65 Liter )

Universal Silver

Polyurethane

40 mm

600 mm

642 mm

Cooling Performance

( AT 32

C ) 0 ± 2.53.0 ± 2.5

< -17.0 < -22< -13.0

5.0 ± 2.5

280 ± 5 cc ( Freol Alpha - 22 )

240 Volt ~

0.48 A

Cold Colder Coldest

103 W

NR - B203G-S7

PMIRF0806022AI

Refrigerator

1406 mm

Service Manual

Indirect Cooling ( No Frost )

Auto Defrost - Auto Defrost Stop

Dial Adjustment

120 ± 5 gram ( HFC-134a )

Content:

No. Item Page

Part Identification …………………... …...….…..……………………………………….

II.

Dimension ……. …….……………….………..………………………………………….

III.

Instalation …………………………………………………………………...……..….…….

IV.

Schematic Diagram …………………. ……………….…..………………………………

Wiring Diagram ………………….. …..…………...………………………………………

VI.

Cooling Circulation and Main Component Function ………………..…………………………………..

VII.

Repairing devices which are exclusive - use for HFC-134a Refrigerant …………..…………………………..

VIII.

Repairing standard for Refrigerating Unit HFC-134a ………...……………………………………..

IX.

Tool for repairing Refrigerating Unit HFC-134a …………………...…………………..

Refrigerating unit repairing procedure ….………………………………………………….

XI.

Manual Repairing Refrigerating Unit …… ………………………………………..

9 ~ 17

XII.

Safety Check ……… ………………………………………………………………

XIII.

Instruction to Assembly Parts …… ……………………………………………………

XIV.

Part List …… ………..……………………………………………………………………

20 ~ 21

XV.

Packing Instruction ………...…………………………………………………………….

-2-

I. PART IDENTIFICATION

II. DIMENSION

Crisper

Cover Lamp

PC Tray

Anti bacteria

hurb cassette

Ice box

Case FC

Bottom

Egg Shelf

Free Shelf

Shelf Bottle

Turn Rack

Grill Front

Egg Tray

Ice Tray

Panasonic Badge

Handle

515 mm

642 mm

600

0 mm

1406 mm

-3-

III. INSTALLATION

IV. SCHEME DIAGRAM

Do not expose the refrigerator to the direct sunlight

and keep away from heat emitting sources.

Placement the refrigerator positioned in a good place,

Ensure that circulation of the air is good, and ensure

that the refrigerator is provided sufficient space away

from the wall minimum 10 cm from the back,

minimum 12 cm from the sides, and minimum 10 cm

from the top.

Make sure that the refrigerator is placed on a hard

and level surface to prevent vibration and Noise. If

one of the legs does not touch the floor, adjust the

adjustable leg (Adjuster Bolt) to stabilize it.

Caution:

Adjuster Bolt

More than 10

More than

10 cm

More than

12 cm

More than 12

- 4 -

V. WIRING DIAGRAM

VI. COOLING CIRCULATION AND MAIN COMPONENT FUNCTION

FUNCTION OF EACH COMPONENT

COMPRESSOR

The function is to compress gaseous make temperature and pressure high.

CONDENSOR

The function is to lower down the refrigerator temperature, so it is liquified with same pressure.

PIPA MULLION DRYER

4. DRYER

5. CAPILARY

6. EVAPORATOR

7. SUCTION PIPE

The function is to pass the low pressure gas to

compressor.

The function is to prevent from sweating.

It is contain silica gel and soft filter. The dryer

collect moisture and dust in the refrigerant cycle, so

that capillary tube will not clogged up.

The function is to pass the low pressure of liquid

refrigerant.

The function is to reduce the pressure of liquid

refrigerant until the liquid vaporate, and to the heat

in store room as cooling effect or vaporation.

PIPE MULLION DRYER

CONDENSOR

EVAPORATOR

CAPPILARY

MULLION

SUCTION PIPE

DRYER

COMPRESSOR

BLACK 0.75mm

0.75mm

ROUND

RECEPTACLE

SUPPLY CORD

240 50Hz

0.75mm

2]BROWN

0.75mm

BLACK

PINK

0.75mm

YELLOW

2WIRES

BIMETAL

THERMOSTAT

3 WIRES

TEMP.FUSE

0.75mm

FAN MOTOR

HEATER DEFROST J3

0.5mm

2 1

#187

MOTOR

MOTOR PROTECTOR

0.5mm

GRAY

#187

N.C C

RECEPTACLE 250H

#187

GRAY

DOOR

SWITCH

4 WIRES

0.5mm

WHITE

0.5mm

ROUND

RECEPTACLE

ROOM

LAMP

THERMO

HEATER 1

GRAY

WHITE

THERMOSTAT

LIGHT

BLUE

J3 2 WIRES

TIMER DEFROST

4WIRES

GRAY

BLACK

WHITE

0.5mm

0.75mm

2] BLUE

YELLOWISH GREEN

BOX TIMER

YELLOWISH GREEN

STARTING

RELAY

THERMO

HEATER 2

0.5mm

GRAY

BLACK

PC HEATER WHITE

GRAY

3 WIRES GRAY

0.5mm

ORANGE

0.5mm

WHITE

0.75mm

WHITE

FIX TO CROSSRAIL R EAR

EARTH AS COMP.

TOOTHED LOCK WASH ER 4

EARTHING SCREW

FIX TO MOTOR

-5-

VII. REPAIRING DEVICES WHICH ARE EXCLUSIVE - USE FOR HFC-134a REFRIGERANT

Important Notice:

When pipe cleaning is so need:

When pipe cleaning is required:

3. Never use blowing agent containing chlorine.

CFC-12, CFC-113, HCFC-22, HCFC-141b, R-502

4. Be sure to use dryer which is exclusive - use HFC-134a.

Otherwise refrigerant HFC-134a will chemically decompose.

VIII. REPAIRING STANDARD OF REFRIGERATING UNIT HFC-134a

1. OMust be done

∆

Need to done if Compressor Oil dirty and Quality no good (color changed)

This refrigerator use Compressor with Ester Oil. Ester Oil employed as new compressor oil for

refrigerant HFC-134a.

From the time just after pipe cleaning is completed until the process of setting compressor

and dryer (just before vacuum pumping process).

Use repairing devices which are exclusive-use for HFC-134a refrigerating unit.

Do not keep the pipe open to air more than 30 minutes. Rubber caps of compressor parts should be

removed just before installation. It should be finished within 30 minutes.

From the process of removing compressor until the process of setting compressor and dryer

(just before vacuum pumping process).

Ester Oil is characteristic of higher hygroscopicity. When moisture leaks into the refrigerating unit,

it will chemically react with the moisture and solid substance clogging the pipe will form.

It is also characteristic of less stability when chlorine is contain. Ester oil will chemically react with

refrigerants containing chlorine and solid substance clogging the piping will form.

Since refrigerant HFC-134a has higher degree of swelling to the resin, charge hose and packing should

be made from good materials. Therefor when HFC-134a refrigerating unit, repairing method and

repairing devices axcept for vacuum pump are different from conventional method and devices. This is

to avoid mixture of different refrigerants and mixture of different oil.

Never re-use the pipes (example: charge pipe) which were once used for repairing CFC-

12 refrigerant unit.

PART MUST BE CHANGE

PIPADRYERCOMPRESSOR

COMPRESSOR

FAULT

CAUSE

Compressor broken

Compressor stop

Motor winding broken

Noise up normal

Motor burning

OO∆

∆∆

∆

∆∆

∆

OO∆

∆∆

∆

O O

O∆

∆∆

∆

O O

Clogged by solid

material Inside of Inlet Eva.

Inside of Outlet Dryer

∆

∆∆

∆

∆∆

∆

If gas charge fault cause solid material form, so compressor oil can not back flow to compressor.

Clogged by liquid material

Gas Leakage*

Gas Charge fault ( example : CFC-12 ) CAN NOT REPAIRING

-6-

Caution:

IX. TOOLS FOR REPAIRING REFRIGERATING UNIT HFC-134a

Conventional repairing devices for CFC-12 can not connect with repairing devices for HFC-134A.

Because the shape of fitting for HFC-134A (M10 x P1.5 mm) is different from conventional ones.

When the fitting for CFC-12 use is connected with the charge pipe (yellow), and then turn the switch to

CFC-12 use, the adaptor can be used for vacuum pumping of CFC-12 refrigeratirng unit.

Be sure connect the adaptor with vacuum pump, so it that the vacuum pump can be used for both CFC-

12 and HFC-134a.

Since the inside of manifold gauge and charge hoses are vacuum state after vacuum pumping, the oil of

vacuum pumping may flow into HFC-134a refrigerant unit.The adaptor prevents the oil from flowing

into the refrigerating unit.

Before running the vacuum pump, connect the charge pipe (yellow) with the fitting for HFC-1354a use,

and then turn the switch to HFC-134a use.

Coupler Plug ( High Pressure Side ) 4mm

Coupler Socket

Coupler Plug ( Low Pressure Side ) 6.33 / 8mm

Process-Tube-Fitting

( 6.35 mm )

Process-Tube-Fitting

( 4 mm )

Charge Adaptor

Charge Cylinder

Blue

Yellow

Adaptor

Red

Manifol Gauge

Control Valve

Charge Hose

Vacuum Pump

(utk CFC-12/HFC-134a)

Fitting for Vacuum Pump

Fitting for

CFC-12

Switch

( CFC-12 / HFC-134a )

Fitting for

HFC-134a

-7-

X. REFRIGERATING UNIT REPAIRING PROCEDURE

STANDARD PROCEDURE

Diagnosing the trouble

Discharging the refrigerant

Removing the Compressor

Checking the compressor oil

A little discoloration

(light yellow) Severe discoloration

(light brown)

Purging the pipe at

high-pressure side

Purging the pipe at low-

pressure side

Setting the compressor and the dryer

Vacuum pumping and pot the electric parts

Charging the refrigerant

Leakage test

Test Run

Pinch-off seal of charge pipes

Finish

IMPORTANT POINTS

Refer to the TROUBLE SHOOTING

* For purging the pipe, use HFC-134a as liquid state.

* Never use HCFC-141b, HCFC-22 for purging.

* Do not keep the pipes open to air more than 30

minutes.

These process in total should be finished within 30

minutes.

* Rubber caps should be removed just before

compressor is used. Never leave the compressor

without the caps and open to the air.

Be sure to connect the adaptor with vacuum pump.

Charge cylinder should be exclusive - use for HFC-

134a.

This is to prevent different refrigerant (CFC-12,

HCFC-22, CFC-113, HFCFC-141b, R-502) from

mixing with HFC-134a.

-8-

XI. METHODE TO REPAIRING REFRIGERATING UNIT

CONDITION I. NOT COLD

Compressor not run

CONDITION II. COLD LESS

CONDITION III. VERY COLD

Both terminal direct

joining

Compressor run

Compressor not run

Compressor run

Check with Ohm Meter

( Tester ) Change Thermostat

OLP broken Check with M.Tester Change O L P

Starting PTC broken Check with M.Tester Change Starting PTC

Motor winding burn Check with M.Tester Change Compressor

Compressor noise but

not run

Power source broken

(Start Voltage not

enough )

Starting P.T.C. broken

Motor winding

disconnect

Starting Motor burn

Check Starting P.T.C.

Voltage under load

Check with

M.Tester

Check with M.Tester

Repair Power Source

Change PTC Starting

Change Compressor

Cooling Unit brooken Gas leakage Be found gas residu Repair gas leakage and

re-charge

Gas nothing Spray with gas

Compressor run but not

compress

Short time Operation fault Thermostat broken Change Thermostat

Compressor running Long time

Out side Evaporator Evaporator closed by

frost to more

Evaporator not close by

frost

Very Cold Touch Defrost button

Cooling Unit broken Repair at cooling unit

portion

Joint pipe leakage and

clogged

The door have more

gap

Open the door very

long time

Cold Less

Check Cooling Unit Repair at cooling unit

portion

Adjust the door

Give the direction to

customer

Censor cappilary

Thermostat have more

gap

Thermostat broken

Thermostat not have

voltage

Assembly censor

cappilary Thermostat Check with M.Tester

Setting end of Censor at

center hole

Change Thermostat

Repair Thermostat

wiring

Check with M.Tester

CHECK CAUSE SUSPECT ANALYSIS ACTION

-9-

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