Panasonic NR-BK266SN User manual

Page
1. Safety caution for repairing 3
1.1 Warning
1.2 Caution
2. Specification and components
2.1 NR- BK266 SERIES 4
2.2 NR- BK306 SERIES 5
2.3 NR- BK346 SERIES 6
3. Schematic diagram 7
4. Performance data 8
4.1 NR- BK266 SERIES
4.2 NR- BK306 SERIES
4.3 NR- BK346 SERIES
5. Troubleshooting guide 9
6. Disassembly instruction with BK series in English 10-14
6.1 Freezer Compartment
6.2 Provision Compartment
6.3 Machine room
6.4 Replace FC/PC door
6. Disassembly instruction with BK series in Vietnamese 15-19
7. Parts exploded view and replacement parts list.
7.1 Parts exploded view: Body 20
7.2 Parts exploded view: Machine room & Door 21
7.3 Parts exploded view: Packing 22-24
7.4 Replacement part list : NR-BK266 SERIES 25-26
7.5 Replacement part list : NR-BK306 SERIES 27-28
7.6 Replacement part list : NR-BK346 SERIES 29-30
CONTENT
- 2 -- 2 -

1. SAFETY CAUTION FOR REPAIRING
When you repair the refrigerator, please kindly take care for the following cautions
1.1 arning
Before repairing unit, unplug supply cord
• Before you repair the refrigerator, please unplug the supply cord
Use authentic parts when replacing
• When you replace the parts, please use authentic parts to replace defecti e parts.
Caution during brazing
• When you use touch for brazing, please ensure entilation.
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 oltage 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 de ice carefully.
1.2 Caution
atch 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 transportation, adjust the bolt
• Otherwise, the floor may be damaged.
Do not touch the pipe after brazing
• Otherwise, your hands may be burnt.
- 3 -

R10=3.899K ± 3%
Note: (*) Hong Kong models base on ISO 8561, Malaysia models base on IEC62552. Other models base on ISO 15502.
SN, GS
Vietnam RBD Malaysia Sin-DBD Hong Kong
VN WA MY SG HK
220V 220～240V 240V 230V 220V
C2P C2P S3P S3P S3P
SN,MS,GS SN SN,GS SN,MS
N,S N N N,S N,S
Total Volume 262L 262L 262L 234L
FC 94L 94L 94L 75L
PC 168L 168L 168L 159L
Internal Dimension FC
[ W x D x H ] PC
Temperature FC
Control PC
Type
Rating
Refrigerant Type
Charging Amt.
Lubricating Oil Type
Charging Amt.
Door Switch Type
Rating
Fan Motor Type
Rating
Compressor Motor Type
Rating
PC Sensor (PCC) Type
Rating
Defrost Sensor Type
(DFC) Rating
Ambient Temp. Type
Sensor (ATC) Rating
Defrost Thermal Type
Fuse Rating
Running Capacity Type
Rating
LED Lamp PCB / 12V, 60 mA
Starting Relay
Overload Protector
Light Irradiantion Device (PC) 5TM181NHBYY
250V / 10A / 73°C
401405L
4 μF - 400V
PTH7M330MD2
NTC
B = 3435K ± 1%
R25 = 10.0KΏ ± 3%
Micro Temp.
B=3808K / -20/0°C, R0=6.409K ± 1 %
NTC
B=3819K ± 2%
3612JL-04W-S40-G03,Ø81 PROP FAN (BOX TYPE)
DC12V / 0.3A / 3.6W
EQ-BR21, 220V 50Hz/ 2 poles
NTC
107W
α -22
195 ± 5ml
S.P. - S.T. / D3D - 121 (Omron)
250V / 0.5A
HFC-134a
120 ± 5g
MM6-4400
(4) Power on 4h (Rated time)
Cyclo-Pentane / Cabinet and door
Vacuum formed HI-PS / Cabinet and door
(1) Ambient temp. over 33°C, 8.5h
(2) Ambient temp. 25°C ~ 33°C, 8.5h
220V / 150W
Fin and tube type
NR-BK266SN, MS, GS
Induction
PCM = SN, VCM = MS, GS
Model
Destination
Code Attached Model
Power Source
Plug
Colour Model
Colour Code
System Spec.
Material Spec.
Defrosting Control Defrost Cycle
Radiant Heater
Capacity (*)
External Dimension
Installation Space
Compressor
Inner Liner
Insulation
Net Weight
Evaporator
Condenser SF51C91RAW5
479 x 445x 443 (mm.)
43 Kg
(3) Ambient temp. under 16°C, 13h
503 x 457 x 796.5 (mm.)
600 x 614 x 1449 (mm.)
Side : 50 mm min. / Back : 100 mm min. / Top : 300 mm min.
PAS - BJ175(Control) , PAS - BK305S(Main)
Cold Air Control: Slide shutter
Single wall steel tube (Zinc coat), wrapper type
2.1 NR-BK266 SERIES
Specification
Sealed Unit
Electric Part
SN
262L
94L
168L
Ώ
Ώ
- 4 -

Vietnam RBD Malaysia Sin-DBD Hong Kong PGF GULF
VN WA MY SG HK WG AE
220V 220～240V 240V 230V 220V 220～240V 220～240V
C2P C2P S3P S3P S3P C2P(SHUKO) S3P
SN,MS,GS SN SN,MS SN,GS SN,MS SN SN
N,S N N,S N,S N,S N N
Total Volume 296L 296L 296L 267L 296L 296L
FC 94L 94L 94L 75L 94L 94L
PC 202L 202L 202L 192L 202L 202L
Internal Dimension FC
[ W x D x H ] PC
Temperature FC
Control PC
Type
Rating
Refrigerant Type
Charging Amt.
Lubricating Oil Type
Charging Amt.
Door Switch Type
Rating
Fan Motor Type
Rating
Compressor Motor Type
Rating
PC Sensor (PCC) Type
Rating
Defrost Sensor Type
(DFC) Rating
Ambient Temp. Type
Sensor (ATC) Rating
Defrost Thermal Type
Fuse Rating
Running Capacity Type
Rating
Single wall steel tube (Zinc coat), wrapper type
HFC-134a
DC12V / 0.3A / 3.6W
α -22
195 ± 5ml
3612JL-04W-S40-G03,Ø81 PROP FAN (BOX TYPE)
S.P. - S.T. / D3D - 121 (Omron)
250V / 0.5A
120 ± 5g
SF51C91RAW5
Cold Air Control: Slide shutter
479 x 445 x 443 (mm.)
Installation Space
System Spec. Induction
PCM = SN, VCM = MS, GS
Side : 50 mm min. / Back : 100 mm min. / Top : 300 mm min.
503 x 457 x 932.5 (mm.)
600 x 614 x 1585 (mm.)External Dimension
Material Spec.
Capacity (*)
Power Source
Plug
Colour Model
Colour Code
NR-BK306SN,MS, GSModel
Destination
Code Attached Model
Compressor
Evaporator
MM6-4400
Defrost Cycle
Radiant Heater
Inner Liner
45 Kg
Vacuum formed HI-PS / Cabinet and door
Cyclo-Pentane / Cabinet and door
(2) Ambient temp. 25°C ~ 33°C, 8.5h
NTC
EQ-BR21, 220V 50Hz/ 2 poles
NTC
B=3808K / -20/0°C, R0=6.409K ± 1 %
107W
250V / 10A / 73°C
401405L
B=3819K ± 2%
R10=3.899K ± 3%
NTC
B = 3435K ± 1%
R25 = 10.0KΏ ± 3%
Micro Temp.
Light Irradiantion Device (PC)
4 μF - 400V
PTH7M330MD2Starting Relay
Overload Protector LED Lamp PCB / 12V, 60 mA 5TM181NHBYY
PAS - BJ175(Control) , PAS - BK305S(Main)
Condenser
220V / 150W
(1) Ambient temp. over 33°C, 8.5h
Insulation
Net Weight
Defrosting Control (3) Ambient temp. under 16°C, 13h
(4) Power on 4h (Rated time)
Fin and tube type
2.2 NR-BK306 SERIES
Specification
Sealed Unit
Electric Part
296L
94L
202L
Note: (*) Hong Kong models base on ISO 8561, Malaysia models base on IEC62552. Other models base on ISO 15502
Ώ
Ώ
- 5 -

B=3808K / -20/0°C, R0=6.409K ± 1 %
Note: (*) Hong Kong models base on ISO 8561, Malaysia models base on IEC62552. Other models base on ISO 15502
Vietnam RBD Malaysia Sin-DBD Hong Kong PGF GULF
VN WA MY SG HK WG AE
220V 220～240
V
240V 230V 220V 220～240V 220～240V
C2P C2P S3P S3P S3P C2P(SHUKO) S3P
SN,MS,GS SN SN,MS SN,GS SN,MS SN SN
N,S N N,S N,S N,S N N
Total Volume 333L 333L 333L 303L 333L 333L
FC 94L 94L 94L 75L 94L 94L
PC 239L 239L 239L 228L 239L 239L
Internal Dimension FC
[ W x D x H ] PC
Temperature FC
Control PC
Type
Rating
Refrigerant Type
Charging Amt.
Lubricating Oil Type
Charging Amt.
Door Switch Type
Rating
Fan Motor Type
Rating
Compressor Motor Type
Rating
PC Sensor (PCC) Type
Rating
Defrost Sensor Type
(DFC) Rating
Ambient Temp. Type
Sensor (ATC) Rating
Defrost Thermal Type
Fuse Rating
Running Capacity Type
Rating
Fin and tube type
479 x 445 x 443 (mm.)
MM6-4400
Induction
PCM = SN, VCM = MS, GS
Single wall steel tube (Zinc coat), wrapper type
HFC-134a
Starting Relay
Overload Protector
250V / 10A / 73°C
401405L
4 μF - 400V
NTC
B = 3435K ± 1%
R25 = 10.0KΏ ± 3%
Light Irradiantion Device (PC)
PTH7M330MD2
LED Lamp PCB / 12V, 60 mA
5TM181NHBYY
B=3808K / -20/0°C, R0=6.409K ± 1 %
NTC
B=3819K ± 2%
R10=3.899K ± 3%
3612JL-04W-S40-G03,Ø81 PROP FAN (BOX TYPE)
DC12V / 0.3A / 3.6W
EQ-BR21, 220V 50Hz/ 2 poles
NTC
107W
α -22
195 ± 5ml
S.P. - S.T. / D3D - 121 (Omron)
250V / 0.5A
Evaporator
Condenser
120 ± 5g
503 x 457 x 1085.5 (mm.)
600 x 614 x 1738 (mm.)
Side : 50 mm min. / Back : 100 mm min. / Top : 300 mm min.
Cold Air Control: Slide shutter
PAS - BJ175(Control) , PAS - BK305S(Main)
Inner Liner
Insulation
NR-BK346SN,MS,GSModel
Destination
Code Attached Model
Power Source
Plug
Colour Model
Colour Code
Cyclo-Pentane / Cabinet and door
49 Kg
System Spec.
Material Spec.
Defrosting Control Defrost Cycle
Radiant Heater
Capacity (*)
External Dimension
Installation Space
SF51C91RAW5Compressor
Net Weight
220V / 150W
(1) Ambient temp. over 33°C, 8.5h
(2) Ambient temp. 25°C ~ 33°C, 8.5h
(3) Ambient temp. under 16°C, 13h
(4) Power on 4h (Rated time)
Vacuum formed HI-PS / Cabinet and door
2.3 NR-BK346 SERIES
Specification
Sealed Unit
Electric Part
333L
94L
239L
Ώ
Ώ
- 6 -

NR-BK266 SERIES
NR-BK306 SERIES
NR-BK346 SERIES
- 7 -

FC REFRIGE MAX NORMAL FREEZER MAX
PC "1" "2" "3"
Mean fresh food compartment (°C) 5.0 ± 2.5 2.0 ± 2.5 1.0 ± 2.5
Mean freezer compartment (°C) -10.0 ± 2.5 -18.5 ± 2.5 -21.0± 2.5
FC door shelf (°C) --17.0 ± 2.5 -
Vegetable case (°C) -3.0 ± 2.5 -
Tray egg (°C) -7.5 ± 2.5 -
PC door shelf top (°C) -5.0 ± 2.5 -
Chilled case (°C) --1.0 ± 2.5 -
Running ratio 40 ± 15 55 ± 15 65 ± 15
FC REFRIGE MAX NORMAL FREEZER MAX
PC "1" "2" "3"
Mean fresh food compartment (°C) 5.0 ± 2.5 3.0 ± 2.5 2.0 ± 2.5
Mean freezer compartment (°C) -11.0 ± 2.5 -19.0 ± 2.5 -23.0± 2.5
FC door shelf (°C) --18.0 ± 2.5 -
Vegetable case (°C) -5.0 ± 2.5 -
Tray egg (°C) -7.5 ± 2.5 -
PC door shelf top (°C) -5.0 ± 2.5 -
Chilled case (°C) --1.0 ± 2.5 -
Running ratio % 40 ± 15 55 ± 15 75 ± 15
FC REFRIGE MAX NORMAL FREEZER MAX
PC "1" "2" "3"
Mean fresh food compartment (°C) 5.0 ± 2.5 3.0 ± 2.5 2.0 ± 2.5
Mean freezer compartment (°C) -11.0 ± 2.5 -19.0 ± 2.5 -23.5 ± 2.5
FC door shelf (°C) --18.0 ± 2.5 -
Vegetable case (°C) -5.0 ± 2.5 -
Tray egg (°C) -7.5 ± 2.5 -
PC door shelf top (°C) -5.0 ± 2.5 -
Chilled case (°C) -0.5 ± 2.5 -
Running ratio 40 ± 15 55 ± 15 85 ± 15
Control setting
Control setting
Control setting
4.1 NR- BK266 SERIES
4.3 NR- BK346 SERIES
4.2 NR- BK306 SERIES
Under no-load condition and ambient temperature at 32°C ± 1°C
Under no-load condition and ambient temperature at 32°C ± 1°C
Under no-load condition and ambient temperature at 32°C ± 1°C
- 8 -

5. TROUBLESHOOTING GUIDE
• Cause: Not cool or not enough cooling
MF capacitor, PCB
To follow the
R134a unit
repair instruction
ohmmeter.
Protector
register
- 9 -

WITH MODEL NR-BK266 SSERIES, NR-BK306 SERIES, NR-BK346 SERIES
6.1. Freezer compartment
6.1.1. Remove cover coil:
1. Take out the ice cube tray and tray FC.
2. Use a small screw driver to open the cap of cover coil window.
3. The same way to open the cover of screw.
4. Unscrew 2 screws, then open the cover coil window.
5. Unscrew the third screw, then use pliers to cut tube bending.
6. Undo 4 connectors.
7. Remove the cover coil as show on the figure 7.
6.1.2.Sensor defrost, Temp. Fuse, Fan motor as
1. Take out sensor defrost.
2. Take off alumi tape 50 (mm), then remove Temp. Fuse.
3. Prise two hooks to remove Fan motor as.
4. Note: Be sure that connect terminal of connectors
each other correctly when replacing Sensor,
Temp. Fuse and Fan.
56
cover coil window lip
screw No.1, 2
32
1
4
7
connector
Sensor
Fan motor
Temp. Fuse
Tupe bending
screw 3
5
6. DISASSEMBLY INSTRUCTION
- 10 -

6.1.3. Defrost heater as
1. Bend the cooper tupe lightly, raise the coil about 7cm.
2. Bend the clamp lightly then take out defrost heater as.
3. Pull out the head of rubber lightly then take out cover radiant.
6.2. Provision compartment
6.2.1. Air guide
1. Take out all the tray, chilled case and crisper before
remove the case air guide.
2. Unscrew, then remove the case air guide as follow
the direction of arrow.
3. Pull out the air guide installation and remove the Ag
filter bio as fig 3.
6.2.2. LED lamp
1. Use the slotted- small screw driver to unhook the LED cover follow 6 hooks on the fig 1.
2. Take out the control dial.
3. Unscrew, disconnect two connectors. Then can remove PAS- LED and PAS-control.
7cm cover radiant
defrost heater
1
control dial
hook
connector screw
PAS-Control
PAS-LED
2
screw Air guide installation
3
12
Ag filter bio
1
- 11 -