Panasonic NR-AH144S User manual

Order No. PAPTH120201CE

Service Manual

Refrigerator

NR-AH144S

NR-AH184S

NR-AH184M

NR-AH184G

NR-AH184P

Product Colour

Imperial Blue (SA), Vivid Green (SG)

Henry Gray (SH), Magenta Pink (MP)

Vivid Orange (MD), Silver (MS)

Metallic Dark Gray (GH)

Warm Copper (PN)

Destination

M - S SERIES G - P SERIES

Thailand

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.

- 2 -

CONTENT

Page

12 - 13

14 - 15

1. Safety Cautions for Repairing

1.1 Warning

1.2 Caution

2. Specification and Components

3. Schematic Diagram

3.1 Wiring Diagram : NR-AH144

3.2 Wiring Diagram : NR-AH184

3.3 Wiring Connection : NR-AH144

3.4 Wiring Connection : NR-AH184

4. Performance Data

4.1 NR-AH144

4.2 NR-AH184

5. Disassembly Instruction

5.1 Cover Hinge Top : NR-AH144M/S / NR-AH184M/S

5.2 Top Table : NR-AH184G / NR-AH184P

5.3 Hinge Top

6. Parts Exploded View and Replacement Parts List

6.1 Part Exploded View : Body

6.2 Part Exploded View : Door

6.3 Part Exploded View : Packing

6.4 Replacement Parts List : NR-AH144M / NR-AH144S

6.5 Replacement Parts List : NR-AH184G / NR-AH184P

NR-AH144 / NR-AH184

- 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-AH144 / NR-AH184

- 4 -

2. SPECIFICATION AND COMPONENTS

Model

Destination

Code Attached Model

Colour Name

Material Spec.

Plug

Power Source

Specification

Sealed Unit

Imperial

Blue

Vivid

Green

AH144S

Henry

Gray

Henry

Gray

SA SG

AH184S

Vivid

Green

Vivid

Orange

Magenta

Pink

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

Level 5

Full automatic temp. Control equipment (Thermostat)

Thailand

PCM

C2P

220V, 50Hz

MD MP MS

AH184G AH184PAH184M

Silver

Metallic

Dark

Gray

Warm

Copper

Imperial

Blue

Evaporator

Compressor

Overload Protector

PTC Relay

Condenser

Refrigrant Charge

Lubricating Oil

Roll - Bond type

Single wall steel tube (Zinc coat)

R600a, 35 ± 5g.

195 ml. (Freol ∞10)

Capacity Total Volume

Freezer FC

Fresh food PC

EVAP.

Internal Dimension

External Dimension

Net Weight

Installation Space

Energy Level

Temperature Control

Semi automatic (Forcibly evaporated in the air)Defrosting

SPCC-SDExterior Finish (Cabinet)

Vacuum formed ABS resinInner Liner

Cyclopentane foam (shell and door)Insulation

138L 179L

31L 31L

107L 148L

412 x 308 x 220 412 x 308 x 220

W x D x H (mm) W x D x H (mm)

474 x 377 x 756 474 x 377 x 952

572 x 570 x 1007 572 x 570 x 1220572 x 570 x 1203

SF51E60GLW5-T1YS SF51E70RLW5-T1YS

5TM142NHBYY 5TM134LFBYY

PTH7M330MC1 PTH7M330MD2

Electric Parts

Motor Compressor

Door Switch PC

Lamp Receptacle

Lamp

Ambient Temp.

* Specification subjects to change without notice.

Split-phase induction motor, ES-BR21, 220V / 50Hz / 75W 2 poles

D3D - 121 (Omron), 250V / 0.5A, Switch type S.P. - S.T.

5PS - 51T - 187, 250V / 1A

RM240V10WSL, 240V / 10W

32 ± 1°C

27 Kgs. 34 Kgs.

NR-AH144 / NR-AH184

- 5 -

3. SCHEMATIC DIAGRAM

3.1 Wiring Diagram : NR-AH144 ( No Capacitor)

LAMP (240V - 10W)

THERMOSTAT

STARTING

RELAY

COMPRESSOR

OVERLOAD

PROTECTOR25

C3 1

DOOR

SWITCH

N.C C

brownblue

white

black

blue

C2P 220V / 50Hz

3.2 Wiring Diagram : NR-AH184 ( Have Capacitor)

LAMP (240V - 10W)

THERMOSTAT

STARTING

RELAY

RUNNING

CAPACITOR

COMPRESSOR

OVERLOAD

PROTECTOR25

63A

C3 1

DOOR

SWITCH

N.C C

brownblue

white

white gray blue

black

blue

C2P 220V / 50Hz

NR-AH144 / NR-AH184

- 6 -

3.3 Wiring Connection : NR-AH144 ( No Capacitor)

3.4 Wiring Connection : NR-AH184 ( Have Capacitor)

NR-AH144 / NR-AH184

- 7 -

4. PERFORMANCE DATA

4.1 NR-AH144 (AT 32 ± 1°C)

Thermostat Dial Setting

Freezer Temperature

Fresh Food Compartment Temperature

Running Ratio

Power Consumption

“ 5 ”

(°C)

(%)

(kWh/Day)

“ 3 ” “ 1 ”

-12.5 ± 2.5 -6.5 ± 2.5 -0.5 ± 2.5

-6.0 ± 2.5 -1.0 ± 2.5 4.0 ± 2.5

55 ± 15 35 ± 15

0.9 or under

20 ± 15

4.2 NR-AH184 (AT 32 ± 1°C)

Thermostat Dial Setting

Freezer Temperature

Fresh Food Compartment Temperature

Running Ratio

Power Consumption

“ 5 ”

(°C)

(%)

(kWh/Day)

“ 3 ” “ 1 ”

-14.0 ± 2.5 -6.5 ± 2.5 -0.5 ± 2.5

-5.0 ± 2.5 1.0 ± 2.5 6.5 ± 2.5

60 ± 15 40 ± 15

0.9 or under

25 ± 15

NR-AH144 / NR-AH184

- 8 -

5. DISASSEMBLY INSTRUCTION

5.1 Cover Hinge Top : NR-AH144S / NR-AH184S / NR-AH184M

5.2 Top Table : NR-AH184G / NR-AH184P

5.3 Hinge Top

- Take out by use screwdriver put at small gap between the cover hinge top with body at arrow mark

and lift it up little.

- Then use hand pull it up slowly.

Fig. 1

- Take out the top panel by remove screws at hanger shells. (Fig. 2)

- Open the door.

- Lift the top panel by pull back a little for unlock from hook. (Fig. 3)

- Lift up the top panel and push it forward for unlock from grill button. (Fig. 4)

- Take out by use boltdriver remove the screws as Fig. 5 and Fig. 6.

- After that lift it up / as Fig. 7 have to lift it until hook loose from hole at Door As.

- When repair it finish / have to tighten screws by control torque 40

~ 100 kgf.

Fig. 2 Fig. 3 Fig. 4

Fig. 5 (NR-AH144S/184S/184M) Fig. 6 (NR-AH184G/184P) Fig. 7 (NR-AH184G/184P)

NR-AH144 / NR-AH184

- 9 -

6. PARTS EXPLODED VIEW AND REPLACEMENT PARTS LIST

6.1 Parts Exploded View : Body

(NR-AH144 x 1PC)

(FOR NR-AH144M/S, 184M/S)

(FOR NR-AH184G/184P)

(FOR NR-AH184G/P)

Tempered Glass

(NR-AH184G/184P)

(FOR NR-AH184G/P)

(FOR NR-AH184)

(NR-AH184G/184P)

(FOR NR-AH144M/S, 184M/S)

25 21

37 38

26 27

NR-AH144 / NR-AH184

910

- 10 -

6.2 Parts Exploded View : Door

NR-AH144 NR-AH184 NR-AH144 NR-AH184

50 50

NR-AH144 / NR-AH184

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