| 摘要 |
The method using a defrosting heater control circuit freezes or defrosts with a compressor motor (M1) or defrosting heater (H1). The control circuit for defrosting period consists of sensing portion (20) for detecting circumference temperature of refrigerator, microcomputer (3) actuated by compressor motor in accordance with freezing room temperature, and power source (4) for circuits.
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