Electrical Control Function
186 Electrical Control System
For 18-36K(1-Phase) models:
Condition of defrosting:
T3≤TempEnterDefrost_ADD ℃ and lasts for 40 minutes.
Defrosting action：
4-Way valve
Indoor fan
Outdoor fan
480P
PMV
PMV running
6 mins with 300P
Compressor
10S 30S
TimeA 10S
no longer than 10min
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 T3 > TempQuitDefrost_ADD ;℃
② The defrosting time achieves 10min.
no longer than 10min
60s
on 10s F8 30s
Compressor F2
off
4-way valve on
off
Outdoor fan on
Off
Indoor fan on
off
breeze 10s
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