Electrical Control Function
128 Electrical Control System
2. Running in cooling mode.
3. Compressor is off for 1 hour.
Condition of entry defrosting:
time1+ time2≥40 minutes, When defrosting is end,time1 and time2 are cleared.
Condition of ending defrosting:
If any one of following items is satisfied, defrosting will stop and the machine will turn to normal heating
mode.
① The defrosting time achieves 10min;
② T3 ≥15℃;
③ T3 ≥7℃ for 60seconds.
Defrosting action：
4-Way valve
Indoor fan
Outdoor fan
480P
PMV
PMV running
8 mins with 300P
Compressor
10S 30S
TimeA
10S
no longer than 10min
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