Panasonic NR-B26M8 User manual
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.
© 2009 Panasonic Home Appliances (Thailand) Co.,Ltd
All rights reserved. Unauthorized copying and distribution
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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2
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