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Panasonic NR-B420M Service Manual page 15

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DAMPER THERMOSTAT
Remove lamp cover
Remove screws (3pcs.), and pull the bottom part of
control plate ass'y.
Pull the thermo. dial toward you.
. Then separate the insulation from the control plate.
REFRIGERANT FLOW DIAGRAM
Refrigerant flows in the refrigerating unit as shown in the figure.
Number in the figure of "PIPE LAYOUT" corresponds to number in the refrigerant flow diagram.
Screw
Control plate
Ass'y
Lamp cover
Screw
To replace damper thermo.
Insulation
Control panel
Thermo. dial
Side Condenser
(Left)
Mullion Dryer
Pipe
Compressor
---- 15 ----
Tear off the tapes on insulation.
Open the insulation from the front side
Pull the upper portion.)
Remove the damper thermostat from insulation.
Damper
Thermostat
Sealing dial should be put in place.
Seal the gap between the from insulation and the back
insulation by putting tape.
Hook the sensor bulb in place.
Evaporator
Back Condenser
Capillary Tude
Dryer
B420M/MS/MW, B480M/MS/MW,
B570M/MS/MW/D/D-*9, B53D2,
B643M/MS/MW/D/D-*9, B703M/MS/MW,
C603D, C703M/MS/MW/D
Back insulation
Sealing dial
Sensor tube

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