Panasonic D-R Series Manuale utente

Order No. PAPTH131101CE

Service Manual

Refrigerator

NR-AH146R

NR-AH186R

NR-AH186D

NR-AH186H

NR-AH186G

NR-AH186P

Product Colour

Eco-Blue (RA, HA)

Eco-Gray (RH)

Eco-Peach (RP, HP)

Eco-Green (DG)

Eco-Silver (DS)

Eco-Dark Gray (GH)

Eco-Copper (PN)

Destination

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.

D -R SERIES G - P SERIESH SERIES

- 2 -

CONTENT

Page

12 - 13

14 - 16

1. Safety Cautions for Repairing

1.1 Warning

1.2 Caution

2. Specification and Components

3. Schematic Diagram

3.1 Wiring Diagram : NR-AH146

3.2 Wiring Diagram : NR-AH186

3.3 Wiring Connection : NR-AH146

3.4 Wiring Connection : NR-AH186

4. Performance Data

4.1 NR-AH146

4.2 NR-AH186

5. Disassembly Instruction

5.1 Cover Hinge Top : NR-AH146R, NR-AH186R/D, NR-AH186H

5.2 Top Table : NR-AH186G, NR-AH186P

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-AH146

6.5 Replacement Parts List : NR-AH186

NR-AH146 / NR-AH186

- 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-AH146 / NR-AH186

- 4 -

2. SPECIFICATION AND COMPONENTS

Model

Destination

Code Attached Model

Colour Name

Model Type

Material Spec. (Door)

Plug

Power Source

Specification

Sealed Unit

Eco-

Blue

Eco-

Gray

Eco-

Peach

Eco-

Blue

Eco-

Gray

Eco-

Peach

Eco-

Silver

Eco-

Green

Eco-Dark

Gray

Eco-

Copper

Eco-

Blue

Eco-

Peach

AH146R AH186R

RP RA RH

Flat Type

AH186D

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

DS DG

AH186HAH186G AH186P

GH PN HA

Grip Type

Evaporator

Compressor

Overload Protector

PTC Relay

Condenser

Refrigrant Charge

Lubricating Oil

Roll - Bond type

Single wall steel tube (Zinc coat)

R134a, 85 ± 5g.

195 ml. (Freol S10)

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

SGCD (Emboss coating)

SPCC - SD

Exterior

Finish

Shell

Door

Vacuum formed ABS resinInner Liner

Cyclopentane foam (shell and door)Insulation

138L 183L

31L 31L

107L 152L

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 590 x 1203572 x 570 x 1220572 x 570 x 1203

SF35C53GPW5-T1YS SFJ39C72RLW-T0YS

5TM134LFBYY 5TM142MHBYY

PTH7M330MC1 PTH7M330MD2

Electric Parts

Compressor Motor

Door Switch PC

Lamp Receptacle

Lamp

* Specification subjects to change without notice.

Split-phase induction motor, 220 ~ 240V / 50Hz / 77.8W 2 poles

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

5PS - 51T - 187, 250V / 2A

FDS003

27 Kgs. 34 Kgs.

NR-AH146 / NR-AH186

- 5 -

3. SCHEMATIC DIAGRAM

3.1 Wiring Diagram : NR-AH146 ( No Capacitor)

LAMP (240V - 15W)

THERMOSTAT

STARTING

RELAY OVERLOAD

PROTECTOR25

DOOR

SWITCH

N.C C

brownblue

white

gray

black

blue

C2P 220V / 50Hz

3.2 Wiring Diagram : NR-AH186 ( Have Capacitor)

LAMP (240V - 15W)

THERMOSTAT

STARTING

RELAY

RUNNING

CAPACITOR

COMPRESSOR

OVERLOAD

PROTECTOR25

DOOR

SWITCH

N.C C

brownblue

white

white gray

gray

blue

black

blue

C2P 220V / 50Hz

COMPRESSOR

NR-AH146 / NR-AH186

- 6 -

3.3 Wiring Connection : NR-AH146 ( No Capacitor)

HARNESS AS. WIRE (MAIN)

HARNESS AS. WIRE (L T S)

SOCKET ROOM LAMP AS.

THERMO BOX AS.

DOOR SW.

3 WIRES

BROWN : 1

BLACK : 2

2 WIRES

BLUE : 1

WHITE : 1

ROOM

LAMP

THERMOSTAT

# 187 # 187

blue 0.52 mm2

blue 0.5 mm2

black 0.83 mm2

gray 0.83 mm2

black 0.33 mm2

white 0.83 mm2

gray 0.83 mm2

black 0.33 mm2

white 0.83 mm2

gray 0.83 mm2

blue 0.83 mm2

white 0.83 mm2

3 2 1

# 2 5 0 H

STARTING

RELAY

OVERLOAD

PROTECTOR RUNNING

CAPACITOR

SUPPLY CORD

COMPRESSOR

MOTOR

3 2 1

J 3 J 3

3 2 1

white 0.5 mm2

gray 0.83 mm2

3.4 Wiring Connection : NR-AH186 ( Have Capacitor)

NR-AH146 / NR-AH186

HARNESS AS. WIRE (L T S)

SOCKET ROOM LAMP AS.

THERMO BOX AS.

DOOR SW.

3 WIRES

BROWN : 1

BLACK : 2

2 WIRES

BLUE : 1

WHITE : 1

ROOM

LAMP

THERMOSTAT

# 187 # 187

blue 0.52 mm2

blue 0.5 mm2

black 0.83 mm2

black 0.33 mm2

white 0.83 mm2

gray 0.83 mm2

black 0.33 mm2

white 0.83 mm2

gray 0.83 mm2

white 0.83 mm2

3 2 1

# 2 5 0 H

STARTING

RELAY

OVERLOAD

PROTECTOR

SUPPLY CORD

COMPRESSOR

MOTOR

3 2 1

white 0.5 mm2

gray 0.83 mm2

- 7 -

4. PERFORMANCE DATA

Cooling Performance : Temperature Control

4.1 NR-AH146 (AT 32 ± 1°C)

Thermostat Dial Setting

Mean Fresh Food Compartment Temp.

Mean Ice Making Compartment Temp.

Running Ratio

Power Consumption

“ 5 ”

t3 (°C)

(°C)

(%)

(kWh/Day)

“ 3 ” “ 1 ”

-4.0 ± 2.5 1.0 ± 2.5 6.5 ± 2.5

-12.0 ± 2.5 -6.5 ± 2.5 -0.5 ± 2.5

Vegetable Crisper Temp. (°C) - 5.0 ± 2.5 -

Egg Tray Temp. (°C) - 4.0 ± 2.5 -

Door Shelf Bottom Temp. (°C) - 1.0 ± 2.5 -

60 ± 15 40 ± 15

0.9 or under

25 ± 15

Thermostat Dial Setting

Mean Fresh Food Compartment Temp.

Mean Ice Making Compartment Temp.

Running Ratio

Power Consumption

“ 5 ”

t3 (°C)

(°C)

(%)

(kWh/Day)

“ 3 ” “ 1 ”

-10.0 ± 2.5 -1.0 ± 2.5 3.0 ± 2.5

-15.0 ± 2.5 -6.5 ± 2.5 -1.0 ± 2.5

Vegetable Crisper Temp. (°C) - 3.0 ± 2.5 -

Egg Tray Temp. (°C) - 2.5 ± 2.5 -

Door Shelf Bottom Temp. (°C) - 0.0 ± 2.5 -

85 ± 15 35 ± 15

0.9 or under

25 ± 15

4.2 NR-AH186 (AT 32 ± 1°C)

NR-AH146 / NR-AH186

- 8 -

5. DISASSEMBLY INSTRUCTION

5.1 Cover Hinge Top : NR-AH146R / NR-AH186R / NR-AH186D / NR-AH186H

5.2 Top Table : NR-AH186G / NR-AH186P

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-AH145R/185R/185D) Fig. 6 (NR-AH185G/185P) Fig. 7 (NR-AH185G/185P)

NR-AH146 / NR-AH186

- 9 -

6. PARTS EXPLODED VIEW AND REPLACEMENT PARTS LIST

6.1 Parts Exploded View : Body

(NR-AH146 x 1PC)

(FOR NR-AH146R, 186D/R, 186H)

(FOR NR-AH186G/186P)

(FOR NR-AH186G/P)

Tempered Glass

(NR-AH186G/186P)

(FOR NR-AH186D/G/P)

(FOR NR-AH186)

(NR-AH186G/186P)

(FOR NR-AH146R, 186D/R, 186H)

25 21

37 38

26 27

NR-AH146 / NR-AH186

- 10 -

6.2 Parts Exploded View : Door

NR-AH146 NR-AH186

(FLAT TYPE)

(GRIP TYPE)

NR-AH146 NR-AH186

50 50

NR-AH146 / NR-AH186

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