Technical Descriptions - Panasonic NR-BN31EX2 Service Manual

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3 Technical Descriptions

3.1.
Compressor Operation
Compressor is controlled by the difference between detected temperature of the freezer temperature sensor and preset tempera-
ture of the freezer compartment.
It runs for 10 minutes when plugged in, but it is forced to be stopped for 10 minutes once plugged off to prevent failure.
• Preset temp. of freezer compartment
• Freezer compartment temp. sensor
• Ambient temp. sensor
3.2.
PC Damper Operation
PC damper is controlled by the difference between detected temperature of the fridge temperature sensor and preset temperature
of the fridge compartment.
PC damper is closed during defrost.
• Preset temp. of fridge compartment
• Fridge compartment temp. sensor
• Ambient temp. sensor
3.3.
Fan Motor Operation
Fan motor is turned off while compressor stops.
Fan motor is turned on while compressor is running.
If damper is open, fan motor is turned on even though compressor has stopped.
3.4.
Defrost Operation
• Preset temp. of fridge/freezer compartment
• Fridge compartment temp. sensor
• Freezer compartment temp. sensor
• Ambient temp. sensor
Defrost does not activate in the following conditions.
• For 120 minutes after Super Cool Mode starts
• For 120 minutes after Super Freeze Mode starts
• For 120 minutes after Flash Freeze Mode starts
Input
Input
Input
6
Output
• Compressor rotation speed
Output
• Damper opening/closing
Output
• Compressor
• PC damper
• Defrost heater

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