Midea MCD-18HRFN1-QRC4 Service Manual page 105

1.3.2.2 Outdoor fan running rules
1.3.2.3 Indoor fan running rules
For Console(12K):
In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low, auto and
silent. When the compressor is running, the indoor fan is controlled as below:
The auto fan acts as below rules:
Electrical Control System
T4
A
28℃
26℃
B
25℃
23℃
C
22℃
20℃
D
19℃
17℃
E
T1-Ts
6.0
a
5.0
b
4.0
2.5
1.0
DC_FAN_HI_SPD_ADD
DC_FAN_MID_SPD_ADD
DC_FAN_MIN_SPD_ADD
DC_FAN_SLOW_SPD_ADD
DC_FAN_SSLOW_SPD_ADD
H
(H -L)*0.75+L
(H -L)*0.5+L
(H -L)*0.25+L
c
L
d
e
Electrical Control Function
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