Fisher FSAI-Pro-92AE2 Service Manual page 35

Meanwhile, the compressor running frequency is limited by the current.
8.4.3.2 Outdoor fan running rules
8.4.3.3 Indoor fan running rules
In heating mode, indoor fan can be selected as high, medium, low, auto and silent. The anti-cold- wind
function is preferential. The running rules of anti-cold-wind function depend on both T1 and T2 that is
more comfortable control.
When the compressor is running, the indoor fan is controlled as below:
T4
HeatT4Zone4I
15
14
HeatT4Zone3I
10
9.0
HeatT4Zone2I
6.0
5.0
HeatT4Zone1I
Heating
E
21
19
D
18
16
C
15
13
B
12
A
10
35