Panasonic NR-B26M8 Manuale utente

Service Manual

Refrigerator

WARNING

This 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 with in this service information by anyone else could result in serious injury or death.

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

Order No. PHAT090201C3

Product Color

Silver (SL),

Destination

India

NR-B26M8

NR-B30M8

NR-B34M8

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.

is a violation of law

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1. Safety Cautions for Repairing

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

Before repairing unit, unplug supply cord

• Before you repair refrigerator, 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 parts terminal.

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

Check safety after repairing

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

• And 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.

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 liguid 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 transportation, adjust adjustable bolt

• Otherwise, the ﬂoor may be damaged.

Do not touch the pipe after brazing

• Otherwise, your hands may be burnt.

a) Warning

b) Caution

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2. Speciﬁcation and Components

2.1 NR-B26M8

Model NR-B26M8

Destination India

Plug B3P

Power Source 230V, 50Hz

Speciﬁcation

Capacity

Gross volume 263L

Freezee FC 67L

Fresh food PC 196L

Internal

dimention

Width x Depth x Height

FC 422.8 mm x 312 mm x 448 mm

PC 465 mm x 408.5 mm x 911 mm

External dimensions 550 mm x 600 mm x 1590 mm

Net weight 48 kg

Installation space Side : 50 mm Min, Back:100 mm Min, Top :300 mm Min

Energy Label 4 Stars

Temperature control Full-automatic temp. Control equipment

(PC: Control board)

Defrosting Full-automatic (Forcibly evaporated in the air)

Exterior ﬁnish (cabinet / door) SPCC-SD

Inner liner Vacuum formed ABS resin

Insulation Cyclopentane (RG568) foam (shell and door)

Sealed Unit

Compressor DA57C11RAY5, cylinder cap A.=5.65 cm3/ rev. Capacity=163W /163W, Power input=109W /110W

Evaporator Fin and tube

Condenser Single wall steel tube (zinc coat)

Refrigerant charge HFC-134a, 100 ± 5g

Lubricating oil 280 ml (Freol α-10)

Electric Parts

Door switch PC D3D-121 (OMRON), 250V / 0.5A , Switch type S.P.-S.T

Fan motor

3612JL Rating= DC12V / 0.3W under Applied fan=ø79.5 mm. PROP FAN (Box type)

Motor compressor Split-phase induction motor, EQ-BR12 (12), 220V / 50Hz / 140W 2poles

Lamp receptacle E14 / 22, 250 V / 2A

Lamp E14 / 22, 240 V / 15W

PC senser (PCC) NTC B=3435K ± 2% , R25=10K ± 3.0%

Defrost senser (DFC) PTC B=3819K ± 2% , R10=3.899K ± 3%

Ambient temp. sensor (ATC) PTC B=3435K ± 1% , R25=10.0K ± 3%

PTC relay PTH7M330MD2

Motor protector 5TM718MFBYY

Running capacitor 401405L, 400V / 4.0 μF

Temperature fuse Micro temp. : 250V / 10A / 73 °C

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2. Speciﬁcation and Components

2.2 NR-B30M8

Model NR-B30M8

Destination India

Plug B3P

Power Source

230V, 50Hz

Speciﬁcation

Capacity

Gross volume

296L

Freezee FC

90L

Fresh food PC

206L

Internal

dimention

Width x Depth x Height

FC 472.6 mm x 336 mm x 497.8 mm

PC 510 mm x 432 mm x 829.6 mm

External dimensions 600 mm x 615 mm x 1545 mm

Net weight 55 kg

Installation space Side : 50 mm Min, Back : 100 mm Min, Top : 300 mm Min

Energy Label 4Stars

Temperature control Full-automatic tem. Cotrol equipment

(FC: Control board, fc operation board PC : Closed temp. (Normal), GAS charge type )

Defrosting Full-automatic (Forcibly evaporated in the air)

Exterior ﬁnish (cabinet / door) SPCC-SD

Inner liner Vacuum formed ABS resin

Insulation Cyclopentane (RG568) foam (shell and door)

Sealed Unit

Compressor DA57C11RAY5, cylinder cap A.=5.65 cm3/ rev. Capacity=163W /163W, Power input=109W /110W

Evaporator Fin and tube

Condenser Single wall steel tube (zinc coat)

Refrigerant charge HFC-134a, 120 ± 5g

Lubricating oil 280 ml (Freol α-10)

Electric Parts

Temp. bafﬂe damper MM1-6180B, Closed temp. (normal)-1.0±1.5 C

Door switch PC D3D-121 (OMRON), 250V / 0.5A, Switch type S.P.-S.T

Fan motor FBA11J14VXA Rating= DC14V / 1.54W under Applied fan=90 mm. PROP FAN (Box type)

Motor compressor Split-phase induction motor, EQ-BR12 (12), 220V / 50Hz / 140W 2poles

Lamp receptacle E14 / 22, 250 V / 2A

Lamp E14 / 22, 240 V / 15W

FC senser (FCC) PTC B=3850K ± 2% , R20=18.9KΩ± 1.8%

Defrost senser (DFC) PTC B=3819K ± 2% , R10=3.899KΩ± 3%

Ambient temp. sensor (ATC) PTC B=3435K ± 1% , R25=10.0KΩ± 3%

PTC relay PTH7M330MD2

Motor protector 5TM718MFBYY

Running capacitor 401405L, 400V / 4.0 μF

Temperature fuse Micro temp. : 250V / 10A / 73 ˚C

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2. Speciﬁcation and Components

2.3 NR-B34M8

Model NR-B34M8

Destination India

Plug B3P

Power Source 230V, 50Hz

Speciﬁcation

Capacity

Gross volume 342L

Freezee FC 90L

Fresh food PC 252L

Internal

dimention

Width x Depth x Height

FC 472.6 mm x 432 mm x 497.8 mm

PC 510 mm x 336 mm x 1019.60 mm

External dimensions 600 mm x 615 mm x 1735 mm

Net weight 59 kg

Installation space Side : 50 mm Min, Back : 100 mm Min, Top : 300 mm Min

Energy Label 4 Stars

Temperature control Full-automatic tem. Control equipment

(FC: Control board,fc operation board PC : Closed temp. (Normal), GAS charge type )

Defrosting Full-automatic (Forcibly evaporated in the air)

Exterior ﬁnish (cabinet / door) SPCC-SD

Inner liner Vacuum formed ABS resin

Insulation Cyclopentane (RG568) foam (shell and door)

Sealed Unit

Compressor DG66C11RAW5, cylinder cap A.=5.65 cm3/rev. Capacity=163W /163W, Power input=109W /110W

Evaporator Fin and tube

Condenser Single wall steel tube (zinc coat)

Refrigerant charge HFC-134a, 130 ± 5g

Lubricating oil 280 ml (Freol α-10)

Electric Parts

Temp. bafﬂe damper MM1-6180B, Closed temp. (normal)-1.0±1.5 C

Door switch PC D3D-121 (OMRON), 250V / 0.5A , Switch type S.P.-S.T

Fan motor

FBA11J14VXA Rating= DC14V /1.54W under Applied fan=90 mm. PROP FAN (Box type)

Motor compressor Split-phase induction motor, EQ-BR12 (12), 220V / 50Hz / 140W 2poles

Lamp receptacle E14 / 22, 250 V / 2A

Lamp E14 / 22, 240 V / 15W

FC senser (FCC) PTC B=3850K ± 2% , R20=18.9KΩ± 1.8%

Defrost senser (DFC) PTC B=3819K ± 2% , R10=3.899KΩ± 3%

Ambient temp. sensor (ATC) PTC B=3435K ± 1% , R25=10.0KΩ± 3%

PTC relay PTH7M330MD2

Motor protector 5TM205NHBYY

Running capacitor 401405L, 400V / 4.0 μF

Temperature fuse Micro temp. : 250V / 10A / 73 °C

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3. Schematic Diagram

3.1 NR-B26M8

3.2 NR-B30M8

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3. Schematic Diagram

3.3 NR-B34M8

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4. Performance Data

4.1 NR-B26M8

Control setting PC "3" "2" "1"

FC "3" "2" "1"

Mean freezer load temp.

(°C) -23.0 ± 2.5 -18.0 ± 2.5 -14.0 ± 2.5

Mean fresh food compartment temp. (°C) -1.0 ± 2.5 3.0 ± 2.5 7.0 ± 2.5

Running ratio (%) 85.0 ± 15 60.0 ± 15 50.0 ± 15

Power consumption (kWh / 24 hrs) - 1.8 -

* Under no- load and ambient temperature 32 ˚C

Control setting PC "3" "2" "1"

FC "3" "2" "1"

Mean freezer load temp.

(°C) -22.0 ± 2.5 -19.0 ± 2.5 -15.0 ± 2.5

Mean fresh food compartment temp. (°C) 1.0 ± 2.5 4.0 ± 2.5 7.0 ± 2.5

Running ratio (%) 85.0 ± 15 60.0 ± 15 50.0 ± 15

Power consumption (kWh / 24 hrs) - 2.0 -

* Under no- load and ambient temperature 32 ˚C

4.2 NR-B30M8

4.3 NR-B34M8

Control setting PC "3" "2" "1"

FC "3" "2" "1"

Mean freezer load temp.

(°C) -22.0 ± 2.5 -19.0 ± 2.5 -15.0 ± 2.5

Mean fresh food compartment temp. (°C) -0.5 ± 2.5 2.5 ± 2.5 5.5 ± 2.5

Running ratio (%) 80.0 ± 15 65.0 ± 15 50.0 ± 15

Power consumption (kWh / 24 hrs) - 2.0 -

* Under no- load and ambient temperature 32 ˚C

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5. Parts Location

Part Location of NR-B26M8

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5. Parts Location

Part Location of NR-B26M8

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