Midea MOBA30U-12HN1-Q Service Manual page 238

Electrical Control Function
T4
Above and below
outdoor fan On
Above outdoor fan On
1.3.3.3 Indoor Fan Running Guidelines
When the compressor is on, the indoor fan can
select the following speeds: high, (medium), low, or
auto.. And the anti-cold wind function has the
priority.
The auto fan acts according to the following
principles:
For floor-standing units:
T1-Ts
For other units:
T1-Ts
Medium
1.3.3.4 Defrosting mode：
the unit enters the defrosting mode according to the
value of T3 and T4 as well as the compressor
running time.

Defrosting action：
For 12~30K floor-standing units:
234
Low
High
Low
High
Setting defrosting time
35S
Compressor
4 way valve
30S
Outdoor fan
Indoor fan
10S
For 12~30 other units:
Setting defrosting time
45S
Compressor
4 way valve
40S
Outdoor fan
Indoor fan
10S
For 36~60K
In defrosting mode, the compressor continues to
run, the indoor and outdoor motor stops
1.3.3.5 High evaporator coil temp.T2 protection:
For floor-standing units:
35S
30S
45S
40S
Electrical Control