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WARNING
8
Adaptive Defrost Control
The defrost cycle shall be started after the Defrost timer has expired. According to the following defrost
procedure:
Defrost must be executed every time one of the following event occurs:
1. After 8 hours (+/-10 minutes) of compressor running, calculated considering just the
thermostat function.
2. When the compressor stops (in thermostatic mode) and a time period of 20 min (+/-1 minute)
is allowed to complete the time to defrost.
3. If the door open time > 10 min, within first 5 hrs of cumulative compressor run time, defrost is
initiated at 5hrs.
4. If door open time > 10 min between 5 to 8 hours of cumulative compressor run time, defrost
will happen instantaneously.
5. If the door open time < 10 min or If there is at least one door opening up to 8 hrs of
compressor running then defrost time is as per point 1.
6. If there is no door opening up to 8 hrs of compressor running than defrost time will be 18hrs
7. If there is no door opening for 8 hrs, & there is door opening between 8 to 18 hrs of
compressor running, defrost will take place immediately.
th
th
The 5
, 8th or 18
hr of compressor running (defrost timer) consist of the sum of all the compressor's
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