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DEFROSTING
Refrigerator
The following 2 kinds of defrost methods are adopted for the refrigerator, which control defrosting
automatically.
1. Cycle defrost
To keep the temperature stable inside the chamber, the refrigeration compressor is cycled on and off.
During “off” periods any frost which has accumulated on the evaporator is melted by energizing a heater.
This will not have any discernible effect on the chamber temperature.
2. Forced defrost
When the ambient humidity is high, or a large amount of damp product is being stored inside the
refrigerator, there is a possibility that cycle defrost may not be enough to remove all of the frost on the
evaporator. In this case, a forced defrost cycle is initiated by the defrost sensor.
When the unit is operating under a forced defrost cycle, the current chamber temperature and “dF” is
displayed alternately on the digital temperature display.
Once the forced defrost cycle is complete, normal operation resumes. The chamber air temperature
rises up to about 10
o
C during the forced defrost cycle.
Freezer
Natural defrost by stopping operation.
The defrosting is performed by stopping the freezer operation.
When the frost is built-up on the freezer wall, defrost the freezer by the following procedure as the freezer
has no automatic defrosting function.
1. Temporarily move all the contents of the freezer to another freezer.
2. Set the freezer temperature to -00. “dF” is displayed on the digital temperature display. This is the
starting of defrosting.
3. When the frost on the wall has been eliminated, remove the water and wipe the inside of the freezer
completely.
4. Set the freezer temperature to desired one.
5. Once the chamber temperature has reached to the desired temperature, place the original contents
back in the freezer.
Note: The freezer does not automatically reset to normal operation.
No temperature alarm is occurred during defrosting.