Panasonic NR-BT223 SERIES Manual de usuario

Order No. PHAT101001CE

(Revision : Dec. 2012)

Service Manual

Refrigerator

NR-BT223 SERIES

NR-BT263 SERIES

Product Colour

Stainless (M), Silver (S)

Gray (H)

Destination

India,Thailand, Malaysia

Vietnam, Singapore (DBD)

Hong Kong, Singapore (RBD)

distribution is a violation of law.

There are special components used in this equipment which are important for safety. These parts are marked by

in the Schematic Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that

these critical parts should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do

not modify the original design without permission of manufacturer.

IMPORTANT SAFETY NOTICE

WARNING

The service information is designed for experienced repair technicians only and is not designed for use by the general

public. It does not contain 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 within this service information by anyone

else could result in serious injury or death.

CFCs have been used in refrigerant as refrigerator and the insulation materials for many years. But it

is now known that these compounds which once seemed so ideal for use as cleaning agents and in

refrigeration systems, destroy the earth’s ozone layer as a result, an international body decided on a

total worldwide ban of harmful CFCs by the end of 1995.

NR-BT223 NR-BT263

- 2 -

CONTENT

Page

4 - 5

9 - 10

11 - 17

1. Safety Cautions for Repairing

1.1 Warning

1.2 Caution

2. Specification and Components

2.1 NR-BT223 SERIES

2.2 NR-BT263 SERIES

3. Schematic Diagram

4. Performance Data

4.1 NR-BT223 SERIES

4.2 NR-BT263 SERIES

5. Troubleshooting Guide

6. Disassembly Instruction

6.1 Led Cover

6.2 Plate Duct PCT

7. Parts Exploded View and Replacement Parts List

7.1 Part Exploded View : Body

7.2 Part Exploded View : Door

7.3 Part Exploded View : Packing

7.4 Replacement Parts List : NR-BT223 SERIES / NR-BT263 SERIES

NR-BT223 / BT263

- 3 -

1. SAFETY CAUTIONS FOR REPAIRING

When you repair the refrigerator, please kindly take care for the following cautions.

1.1 Warning

Before repairing unit, unplug supply cord

• Before you repair the refrigerator, please unplug the supply cord.

Use authentic parts when repairing

• When you replace the parts, please use authentic parts to replace defective parts.

Caution during brazing

• When you use touch for brazing, please ensure ventilation.

Otherwise, you will be poisoned by carbon monoxide.

Pay attention to using refrigerant

• If refrigerant touches fire, the gas becomes poisonous gas.

Pay attention to getting electricity shock

• When you check the voltage of terminal, please do not touch the electricity part terminal.

• When you replace the parts, please wait for 3 minutes at least for discharging capacitor.

Check safety after repairing

• Check the screws, parts, lead wires to take in place.

• Check the repairing portion whether circumferential parts are damaged or not.

• Check insulation resistance between supply plug and earth.

• When install refrigerator, check condition of supply cord and plug.

• Wipe off the dust on plug.

• Cutting and seal the electric device carefully.

1.2 Caution

Watch the hot parts

• During operation and after operation, compressor and pipes are hot.

• Also, under these condition, heater are hot.

• Do not burn your fingers when you touch it.

Pay attention to refrigerant

• Do not touch liquid refrigerant. Otherwise your hands may be burnt.

Pay attention to edge of parts

• Otherwise, your fingers may be cut.

Pay attention to fins of evaporator and condenser

• Otherwise, your fingers may be cut.

Before transportatin, adjust the bolt

• Otherwise, the floor may be damaged.

Do not touch the pipe after brazing

• Otherwise, your hands may be burnt.

NR-BT223 / BT263

- 4 -

2. SPECIFICATION AND COMPONENTS

2.1 NR-BT223 SERIES

Model

Specification

Destination

Code Attached Model

Power Source

Plug

Colour Model

Colour Code

System Spec.

Material Spec.

Thailand Malaysia Sin-DBD

NR-BT223

Sin-RBD Hong Kong

TH MY SG WA HK

220V 240V 230V 220 ~ 240V 220V

C2P S3P S3P C2P S3P

MS, SS, LH SS, LH MS, SS MS, SS, LH MS, SS

M, S, H S, H M, S

Induction

PCM = SS/LH, Stainless = MS

M, S, H M, S

Capacity Total Volume

FCInternal Dimension

External Dimension

[ W x D x H ] PC

Type

222L

67L

155L

428 x 311 x 448 (mm.)

470 x 407.7 x 723 (mm.)

550 x 600 x 1388 (mm.)

Installation Space Side : 50 mm min. / Back : 100 mm min. / Top : 300 mm min.

Automatic Temp.

Control Equipment

Type

Rating

Radiant Heater

PAS - BT263 (Control)

PAS - Control (Inside)

MM6 - 8V56

Defrost Cycle

ESW86E87RAW

EUW86E87RAW

Type

Charging Amt.

Type

Charging Amt.

Type

Rating

Type

Rating

Type

Rating

Type

Rating

Type

Rating

Type

Rating

Type

Rating

Type

Rating

Type

Rating

Defrosting Control

Inner Liner

Insulation

Net Weight

(1) Ambient temp. over 33°C, 8.5h

(2) Ambient temp. 25°C ~ 33°C, 8.5h

(3) Ambient temp. under 16°C, 16h

401405L

4 µF - 400V

5TM189MFBYY

PTH7M330MD2

Led Lamp PCB (PC)

12V / 60mA

(4) Power on 4h (Rated time)

220V / 135W

Vacuum formed ABS resin / Cabinet and door

Cyclopentane / Cabinet and door

43 Kg

Sealed Unit

Compressor

Evaporator

Condenser

Refrigerant Charge

Lubricating Oil

TH MY

WA HK

Fin and tube type

Single wall steel tube (Zinc coat)

R - 600a

50 ± 5g

Freol ∞-10

190 ± 5ml

Electric Part

Door Switch

Fan Motor

Compressor Motor

PC Sensor (PCC)

Ambient Temp.

Sensor (ATC)

Defrost Thermal

Fuse

Running Capacity

Overload Protector

Starting Relay

Light Irradiation

Device (PC)

Defrost Sensor

(DFC)

S.P. - S.T. / D3D - 121 (Omron)

250V / 0.5A

3612JL - 04W - S40 - G03 Prop fan (Box type)

DC 12V / 0.3W under applied fan ø79.5 mm.

Split phase induction motor, EQ-BR97, 220V 50Hz / 2 poles

123.3 W 123.3 W 119.3 W

NTC

B = 3808K, R0 = 6.409KΏ± 1%

NTC

B = 3819K ± 2%

R10 = 3.899KΏ± 3%

NTC

Micro Temp.

250V / 10A / 73°C

B = 3435K ± 1%

R25 = 10.0KΏ± 3%

123.3 W 123.3 W

NR-BT223 / BT263

- 5 -

2.2 NR-BT263 SERIES

NR-BT223 / BT263

Model

Specification

NR-BT263

Destination

Code Attached Model

Power Source

Plug

Colour Model

Colour Code

System Spec.

Material Spec.

Sin-RBD Hong Kong Vietnam IndiaSin-DBDMalaysiaThailand

WA HK VN 1N, 2N, X1, X2SGMYTH

220 ~ 240V 220V 220 ~ 240V 230V230V240V220V

C2P S3P C2P B3PS3PS3PC2P

MS, SS, LH MS, SS MS, SS, LH MS, SS, LHMS, SSSSMS, SS, LH

M, S, H

Induction

PCM = SS/SW/LH, Stainless = MS

M, S M, S, H M, S, HM, SSM, S, H

Capacity 263L

67L

196L

428 x 311 x 448 (mm.)

470 x 407.7 x 913 (mm.)

550 x 579 x 1578 (mm.)

Side : 50 mm min. / Back : 100 mm min. / Top : 300 mm min.

PAS - BT263 (Control)

PAS - Control (Inside)

MM6 - 8V56

220V / 135V

Vacuum formed ABS resin / Cabinet and door

Cyclopentane / cabinet and door

46 Kg

(1) Ambient temp. over 33°C, 8.5h

(2) Ambient temp. 25°C ~ 33°C, 8.5h

(3) Ambient temp. under 16°C, 16h

(4) Power on 4h (Rated time)

Sealed Unit

Compressor

Evaporator

Condenser

Refrigerant Charge

Lubricating Oil

WA HK VN

1N, 2N, X1, X2SG

MYTH

123.3 W

NTC

B = 3808K, R0 = 6.409KΏ± 1%

NTC

B = 3819K ± 2%

R10 = 3.899KΏ± 3%

NTC

Micro Temp.

250V / 10A / 73°C

401405L

4 µF - 400V

5TM189MFBYY

PTH7M330MD2

Led lamp PCB (PC)

12V / 60mA

B = 3435K ± 1%

R25 = 10.0KΏ± 3%

123.3 W 123.3 W 119.3 W119.3 W123.3 W123.3 W

Fin and tube type

Single wall steel tube (Zinc coat)

R - 600a

50 ± 5g

Freol ∞-10

190 ± 5ml

Total Volume

FCInternal Dimension

External Dimension

[ W x D x H ] PC

Type

Rating

Type

Charging Amt.

Type

Charging Amt.

Defrosting Cycle

ESW86E87RAW

EUW86E87RAW

Installation Space

Radiant Heater

Defrosting Control

Inner Liner

Insulation

Net Weight

Automatic Temp.

Control Equipment

Electric Part

Door Switch S.P. - S.T. / D3D - 121 (Omron)

3612JL - 04W - S40 - G03 Prop fan (Box type)

250V / 0.5A

DC 12V / 0.3W under applied fan ø79.5 mm.

Split phase induction motor, EQ-BR97, 220V 50Hz / 2 poles

Type

Rating

Fan Motor Type

Rating

Compressor Motor Type

Rating

PC Sensor (PCC) Type

Rating

Defrost Sensor

(DFC)

Type

Rating

Ambient Temp.

Sensor (ATC)

Type

Rating

Defrost Thermal

Fuse

Type

Rating

Running Capacity

Overload Protector

Starting Relay

Type

Rating

Light Irradiation

Device (PC)

Type

Rating

- 6 -

3. SCHEMATIC DIAGRAM

NR-BT223 / BT263

220V-240V/50Hz

3P2P2P

RUNNING CAPACITOR

BLUE

BROWN

BLUE

GRAY M

YELLOW

BLACK

DEFROST HEATER TEMP. FUSE

(359.00)

PTC RELAY

GRAY

MOTOR

PROTECTOR

(73 C)

23 A

C31

1 GRAY

3 GREEN

5 BLAVK

6 BROWN

8 BLUE

1 PINK

3 BLACK

CDN 202 CDN 201

CDN 2

CDN 1

BASE BOARD

2 WHITE

1 WHITE

LED WHITE

WHITE

PCC

3 N. C C 2

3 GRAY

2 GRAY

5 GREEN

6 BROWN

7 BLUE

2 YELLOW

5 BLUE

6 PINK

1 BLACK

BLACK

DFS

FAN MOTOR

ROOM LAMP

DOOR SWITCH

BASE CONTROL

2 RED

3 PURPLE

- 7 -

4. PERFORMANCE DATA

4.1 NR-BT223 SERIES

Control Setting

Mean Fresh Food Compartment Temperature

Mean Freezer Load Temperature

(°C)

t3 (°C)

Vegetable Case Temperature

PC Door Shelf Upper Temperature

PC Door Shelf Bottom Temperature

* Under on - load and ambient temperature 32 ± 1°C

NR-BT223 / BT263

1.0 ± 2.5 3.0 ± 2.5 7.0 ± 2.5

-25.0 ± 2.5 -18.0 ± 2.5 -9.0 ± 2.5

Running Ratio (%) 80 ± 15 55 ± 15 30 ± 15

- 3.0 ± 2.5 -

- 5.0 ± 2.5 -

- 4.5 ± 2.5 -

“ 3 ”PC

“ 2 ” “ 1 ”

“ 3 ” “ 2 ” “ 1 ”

4.2 NR-BT263 SERIES

Control Setting

Mean Fresh Food Compartment Temperature

Mean Freezer Load Temperature

(°C)

t3 (°C)

Vegetable Case Temperature

PC Door Shelf Upper Temperature

PC Door Shelf Bottom Temperature

* Under on - load and ambient temperature 32 ± 1°C

-1.0 ± 2.5 3.0 ± 2.5 7.0 ± 2.5

-29.5 ± 2.5 -19.0 ± 2.5 -13.0 ± 2.5

Running Ratio (%) 85 ± 15 55 ± 15 45 ± 15

- 3.0 ± 2.5 -

- 4.0 ± 2.5 -

- 4.5 ± 2.5 -

“ 3 ”PC

“ 2 ” “ 1 ”

“ 3 ” “ 2 ” “ 1 ”

- 8 -

5. TROUBLESHOOTING GUIDE

Cause : Not cool at all or not enough

Does the compressor

operating?

NR-BT223 / BT263

Does the fan motor

operating?

Check the ice at the

evaporator.

Does any oil leak out?

Plug out to stop the

compressor and

check gas spout out

by cutting cap tube

around 35 mm. from

dryer.

Check the start

control circuit.

NONO

YES

NO NO

YES

No ice

or only at the inlet

It’s very few ice

YES

Use

method

Gas spout out at both side

Gas spout out at dryer side only

Gas spout out at evaporator side only

Check pressure of the

motor compressor by

ohmmeter.

Rip/Burn coil.

Check oil color of the

compressor.

(Clean the pipe according

to guidance)

Check the fan

motor circuit.

Clogged moisture.

Gas leakage.

Check the gas

smell.

Defect compressor

Clogged in the cap

tube system at the

evaporator side.

Clogged in the cap

tube system at the

evaporator side.

Cutting cap tube

out of the dryer

side.

Technical Guide

Order No.

TECH091119TG

Compressor ‘s

rotor lock.

Replace the defect of

electric part.

(Capacity, Thermostat,

PTC Relay and Protection)

Check oil color of the

compressor.

(Clean the pipe according

to guidance)

Replace the compressor.

Replace the fan motor.

Cannot repair.

Check oil color of the

compressor.

(Clean the pipe according

to guidance)

Replace the compressor.

- 9 -

6. DISASSEMBLY INSTRUCTION

6.1 Led Cover

- Take off by use small screwdriver put between gaps of led cover with plate duct PCT at lock as Fig. 1

- Use small screwdriver push up the led cover for lock loose.

- Change led lamp by take off at lead wire connection as Fig. 2

- After change led cover or led lamp, put led cover at the top side and slide up in lock position as Fig. 3

- Use hand hit carefully at the right side of led cover from the top pass to bottom as Fig. 4

NR-BT223 / BT263

Fig. 1 Fig. 2

Fig. 3 Fig. 4

- 10 -

NR-BT223 / BT263

6.2 Plate Duct PCT

Fig. 4 Fig. 5

Fig. 1 Fig. 2 Fig. 3

- Use small screwdriver open at the screw hole cover as Fig. 1

- Take off screws at the plate duct PCT as Fig. 2

- Take off screws at the plate duct PCB and plate duct PC as Fig. 3

- At first, take off at the plate duct PC as Fig. 4

- After that take off at the plate duct PCB and other parts as Fig. 5

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