Panasonic NR-B420M / NR-B420MS / NR-B420MW / NR-B480M / NR-B480MS / NR-B480MW / NR-B570M / NR-B570MS / NR-B570MW / NR-B570D / NR-B53D2 / NR-B643M / NR-B643MS / NR-B643MW / NR-B643D / NR-B703M / NR-B703MS / NR-B703MW / NR-B703R / NR-C603D / NR-C703M / NR-C703MS / NR Service Manual ▷ View online
B420M/MS/MW,B480M/MS/MW,
B570M/MS/MW/D/D-*9,B53D2,
B643M/MS/MW/D/D-*9,B703M/MS/MW/R,
C603D,C703M/MS/D/R
B570M/MS/MW/D/D-*9,B53D2,
B643M/MS/MW/D/D-*9,B703M/MS/MW/R,
C603D,C703M/MS/D/R
SECTION II SPECIFICATIONS & COMPONENTS
SPECIFICTIONS
Net Capacity
Gross Capacity
Outside dimensions
Width
Depth
Height
Net weight
Type
Temperature control
Defrosting
Defrost water disposal
Exterior finish
Inner liner
Insulation
Power source
Gross Capacity
Outside dimensions
Width
Depth
Height
Net weight
Type
Temperature control
Defrosting
Defrost water disposal
Exterior finish
Inner liner
Insulation
Power source
SEALED UNIT
Compressor
(Winding Resistance
(Main)
8.53 Ω
(Main)
5.21 Ω
measured at 20
℃ )
(Auxiliary)
21.1 Ω
(Auxiliary)
7.02 Ω
Evaporator
Condenser
Refrigerant charge
Oil charge
Condenser
Refrigerant charge
Oil charge
ELECTRIC PARTS
Starting relay
(contact-less type)
Overload protector
Thermostat
Fan motor
Fan blade
Thermostat
Fan motor
Fan blade
Defrost timer
Bimetal thermo.
Fuse
Defrost heater
PC damper thermo.
Lamp bulb
Door switch (PC)
Running capacitor
Defrost heater
PC damper thermo.
Lamp bulb
Door switch (PC)
Running capacitor
4
μF/400V
6
μF/400V
US-602SXRMQO-T0, Temp. cut-in
：-5℃ Temp.cut-off： 13℃
Rating of contacts
： 250V/8A
G4A00072 , 380V/10A/72
℃
230V / 200W / 265 Ω
SD-8021-4
SD-8031
E14 / 240V /15A
(PC
： E3111) 250V/1A
NR-B420MS
Frost-free refrigerator/freezer
Full-automatic direct control (FC
：ATC thermo. ,PC：Damper thermo.)
Full-automatic heater defrost with timer
NR-B480MS
338 L (FC
：89L, PC：249L)
369 L (FC
：111L, PC：258L)
674 mm
690 mm
1650 mm
HFC-134a , 130g
HFC-134a , 140g
Full-automatic (Forcible evaporated into the air)
Polyrster coated finish
Vacuum formed ABS resin
Polyurethane foam (cabinet & door)
Fin tube type
Wrapper type (Consealed condenser)
DD86C18RAW5
D110C22RAX6
B420M/MS/MW,B480M/MS/MW,
B570M/MS/MW/D/D-*9,B53D2,
B643M/MS/MW/D/D-*9,B703M/MS/MW/R,
C603D,C703M/MS/D/R
B570M/MS/MW/D/D-*9,B53D2,
B643M/MS/MW/D/D-*9,B703M/MS/MW/R,
C603D,C703M/MS/D/R
MODEL
-6-
NR-B420M/MW
TBA-1011
ψ120
TMDJ-702AC1/Cycle
： 8 hours 46 min./50Hz； 7 hours 18 min./60Hz
Rating of contacts
： 240V/5A
Winding resistance
： OPEN (to DC test voltages)
UDVH15NA3H
UDVH15NA1Y
PTH7M330MD2
385L (FC
：89L,PC：296L)
418L (FC
：111L,PC：307L)
AC 220
～240V/50Hz
AC 220
～230V/60Hz
62 kg
674 mm
690 mm
690 mm
1780 mm
66 kg
350 ml
300ml
5TM734MFBYY
4TM757LFBYY-68
SPECIFICTIONS
Net Capacity
Gross Capacity
Outside dimensions
Width
Depth
Height
Net weight
Type
Temperature control
Defrosting
Defrost water disposal
Exterior finish
Inner liner
Insulation
Power source
Gross Capacity
Outside dimensions
Width
Depth
Height
Net weight
Type
Temperature control
Defrosting
Defrost water disposal
Exterior finish
Inner liner
Insulation
Power source
SEALED UNIT
Compressor
(Winding Resistance
(Main)
8.53 Ω
(Main)
7.28
Ω
(Main)
5.21
Ω
measured at 20
℃ )
(Auxiliary)
21.1 Ω
(Auxiliary)
17.5
Ω
(Auxiliary)
7.02
Ω
Evaporator
Condenser
Refrigerant charge
Oil charge
Condenser
Refrigerant charge
Oil charge
ELECTRIC PARTS
Starting relay
(contact-less type)
Overload protector
Thermostat
Fan motor
Fan blade
Thermostat
Fan motor
Fan blade
Defrost timer
Bimetal thermo.
Fuse
Defrost heater
PC damper thermo.
Lamp bulb
Door switch (PC)
Running capacitor
Defrost heater
PC damper thermo.
Lamp bulb
Door switch (PC)
Running capacitor
SD-8021-4
SD-8031
-7-
Full-automatic direct control (FC
：ATC thermo. ,PC：Damper thermo.)
Full-automatic heater defrost with timer
350 ml
5TM734MFBYY
4TM757LFBYY-68
Polyrster coated finish
Vacuum formed ABS resin
Polyurethane foam (cabinet & door)
Fin tube type
MODEL
NR-B480M/MW
ψ120
TMDJ-702AC1/Cycle
： 8 hours 46 min./50Hz； 7 hours 18 min./60Hz
Rating of contacts
： 240V/5A
Winding resistance
： OPEN (to DC test voltages)
PTH7M330MD2
724 mm
731/742 mm
724 mm
HFC-134a , 140g
310ml
300ml
Full-automatic (Forcible evaporated into the air)
D110C22RAX6
D110C21RAX5
1752 mm
Frost-free refrigerator/freezer
674 mm
230V / 200W / 265 Ω
UDVH15NA3H
DD86C18RAW5
Wrapper type (Consealed condenser)
UDVH15NA1Y
G4A00072 , 380V/10A/72
℃
TBA-1002
TBA-1011
US-602SXRMQO-T0, Temp. cut-in
：-5℃ Temp.cut-off： 13℃
Rating of contacts
： 250V/8A
B420M/MS/MW,B480M/MS/MW,
B570M/MS/MW/D/D-*9,B53D2,
B643M/MS/MW/D/D-*9,B703M/MS/MW/R,
C603D,C703M/MS/D/R
B570M/MS/MW/D/D-*9,B53D2,
B643M/MS/MW/D/D-*9,B703M/MS/MW/R,
C603D,C703M/MS/D/R
385L (FC
：89L,PC：296L)
418L (FC
：111L,PC：307L)
456L (FC
：103L,PC：353L)
497L (FC
：129L,PC：368L)
NR-B570M/MW
NR-B570MS/D-*9
AC 220
～230V/60Hz
AC 220
～240V/50Hz
690 mm
1780 mm
66 kg
731 mm
1752 mm
70 kg
6
μF/400V
4
μF/400V
E14 / 240V /15A
(PC
： E3111) 250V/1A
SPECIFICTIONS
Net Capacity
Gross Capacity
Outside dimensions
Width
Depth
Height
Net weight
Type
Temperature control
Defrosting
Defrost water disposal
Exterior finish
Inner liner
Insulation
Power source
Gross Capacity
Outside dimensions
Width
Depth
Height
Net weight
Type
Temperature control
Defrosting
Defrost water disposal
Exterior finish
Inner liner
Insulation
Power source
SEALED UNIT
Compressor
(Winding Resistance
(Main)
9.65
Ω
(Main)
5.21
Ω
(Main)
7.28
Ω
measured at 20
℃ )
(Auxiliary)
12.98
Ω
(Auxiliary)
7.02
Ω
(Auxiliary)
17.5
Ω
Evaporator
Condenser
Refrigerant charge
Oil charge
Condenser
Refrigerant charge
Oil charge
ELECTRIC PARTS
Starting relay
(contact-less type)
Overload protector
Thermostat
Fan motor
Fan blade
Thermostat
Fan motor
Fan blade
Defrost timer
Bimetal thermo.
Fuse
Defrost heater
PC damper thermo.
Lamp bulb
Door switch (PC)
Running capacitor
PTH7M330MD2
Polyrster coated finish
Vacuum formed ABS resin
456L(FC:103L,PC:353L)
497L(FC:129L,PC:368L)
Full-automatic heater defrost with timer
Full-automatic (Forcible evaporated into the air)
Frost-free refrigerator/freezer
774 mm
760/771 mm
521L (FC
：129L,PC：392L)
81 kg
E14 / 240V /15A
(PC
： E3111) 250V/1A
4
μF/400V
D110C21RAX5
310ml
MM3-27FCF
UDVH15NA3H
Fin tube type
Wrapper type (Consealed condenser)
HFC-134a , 140g
6
μF/400V
AC 220
～240V/50Hz
Polyurethane foam (cabinet & door)
70 kg
771 mm
1772 mm
Full-automatic direct control (FC
：ATC thermo. ,PC：Damper thermo.)
4
μF/400V
AC 220
～240V/50Hz
NR-B643D/B53D2
NR-B643MS/D-*9
567L (FC
：158L,PC：409L)
NR-B643M/MW
TMDJ-702AC1/Cycle
： 8 hours 46 min./50Hz； 7 hours 18 min./60Hz
Rating of contacts
： 240V/5A
Winding resistance
： OPEN (to DC test voltages)
TBA-1002
300ml
774 mm
UDVH15NA1Y
UDVH15NA3H
1772 mm
774 mm
D110C22RAX6
AC 220
～230V/60Hz
SD-8031
SD-8031(B643M/MS) /SD-8051
760/771 mm
1772 mm
742 mm
1752 mm
US-602SXRMQO-T0, Temp. cut-in
：-5℃ Temp.cut-off： 13℃
Rating of contacts
： 250V/8A
G4A00072 , 380V/10A/72
℃
230V / 200W / 265
Ω
ψ120
B420M/MS/MW,B480M/MS/MW,
B570M/MS/MW/D/D-*9,B53D2,
B643M/MS/MW/D/D-*9,B703M/MS/MW/R,
C603D,C703M/MS/D/R
B570M/MS/MW/D/D-*9,B53D2,
B643M/MS/MW/D/D-*9,B703M/MS/MW/R,
C603D,C703M/MS/D/R
-8-
MM3-28GCF
4TM757LFBYY-68
DB91C19RAY5
350 ml
MODEL
NR-B570D
724 mm
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