Midea MS9A-07HRN1-QB6 - Page 39

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compressor except when AC is in evaporator high temp. protection in heating mode ,defrosting mode
and the current protection.
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.
5.0
T1-Ts
High
Low
1.0
4.0
Medium
8.4.2.4 Low evaporator coil temperature T2 protection
TE6
T2
On
Off
TE5
When the evaporator coil temp.T2 keeps lower than TE5 for 5 minutes, the compressor and outdoor
fan will shut off.
When T2 is higher than TE6, the compressor and outdoor fan will restart up.
8.4.2.5 Condenser high temperature T3 protection(For MS9A-24HRN1-QB8W models)
When T3≥65℃, the compressor will stop and restart until T3<55℃.
During the protection, the outdoor fan keeps working.
8.4.3 Heating Mode
8.4.3.1 Compressor running rules
Once the compressor starts up, it will follow the below rules:
When the indoor room temp.T1 is higher than Tj, the compressor and outdoor fan will shut off. When
T1 is lower than Tk, the compressor and outdoor fan will start up.