Midea MSR1-07HRN1-QB6A Service Manual page 47

Tm=Ts+1, Tn=Ts.
Tm=Ts, Tn=Ts-2 for MSWR1-18CRN1-QB9 and MSWR1-21CRN1-QB6 models.
8.4.2.2 Outdoor fan running rules:
The On-off outdoor units have single fan speed. The outdoor fan will run following the compressor
except when AC is in evaporator high temp. protection in heating mode ,condenser high temp.
protection in cooling 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.
The auto fan:
8.4.2.4 Evaporator low temperature T2 protection.
When the evaporator coil temp.T2 keeps lower than TE5 for 5 minutes(4 minutes for 21k model), the
compressor and outdoor fan will shut off.
When T2 is higher than TE6, the compressor and outdoor fan will restart up.
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