AG2014 70 CM REFRIGERATORS 13.11.2013 / REV NO:
00
19
9.1.1. FF Defrost
FF Defrost
Decision: Normal Status Door Closed
Alg.
1. Subject to compressor cycle number
2. Subject to maximum defined operation time of the
compressor
3. If the compressor runs non-stop for 240 minutes, FF
Defrost starts when the FF Eva sensor is colder than -
30°C.
Every 4 cycles
240 min
10
1000 min
Algorithmic Behaviour: Normal Status Door Closed
Alg.
FF Fan
Compressor
Runs
Will not run
Will not run
Will not run
End of Function:
4. FF defrost ends once the FF Eva sensor reaches +4°C.
5. Maximum FF defrost time is 150 minutes.
9.1.2. Compressor
Operating Conditions
Condition for Compressor ON:
- FF Air >= cut-in or Frz Air >=cut-in
Condition for Compressor OFF:
- FF forced defrost status
- FF Air <= cut-out and - Frz Air <= cut-out
Notes:
Compressor pause time = 6 minutes.
For Compressor;
Ͳ Min operation time: 15 min
Ͳ Max operation time: 240 min
Ͳ Min Stopping time: 6 min
Ͳ Max stopping time: 150 min
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