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8.4.2.3 Indoor fan running rules
In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and
auto.
Auto fan in cooling mode acts as follow:
8.4.2.4 Condenser high temperature T3 protection.
When 55<T3<60, the compressor frequency will decrease to the lower level every 3 min until to F1
and then run at F1.
When T3<54, the compressor will keep running at the current frequency.
When T3<52, the compressor will not limit the frequency again and resume to the former frequency.
When T3>60 for 5 seconds, the compressor will stop and restart until T3<52.
8.4.2.5 Evaporator low temperature T2 protection.
When T2<0, the compressor will stop and restart when T2>5.
When 0≤T2<4, the compressor frequency will limited and decrease to the lower level every minute
until stop the compressor.
When 4≤T2≤7, the compressor will keep the current frequency.
When T2>7, the compressor frequency will not be limited.
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