Fisher FSAIF-Pro-95AE2 Service Manual page 29

The auto fan acts as below rules:
T 1 - T S
a
b
8.4.2.4 Condenser temperature protection
For
FSOAIF-Pro-95AE2
FSOAIF-Pro-125AE2
T3
Decrease
Hold
Resume
For
FSOAIF-Pro-185AE2
FSOAIF-Pro-245AE2
T3
Decrease
Hold
Increase
Resume
8.4.2.5 Evaporator temperature protection
When Evaporator temperature temp.is less
than setting value, the compressor will stop.
c
d
e
models,
Off
models,
Off
8.4.3 Heating Mode
8.4.3.1 Compressor running rules
When T1-Ts> ∆T
when T1-T < ∆T
h
S
∆T is the programmed parameter of
h
temperature compensation.
Temperature compensation: Th=4°C as factory set
(it can be modified by the service).
When the AC run in mute mode, the
compressor will run with low frequency.
When the current is more than setting value,
the current protection function will be activated
and the compressor will stop.
8.4.3.2 Outdoor fan running rules
The outdoor unit will be run at different fan
speed according to T4.
For different outdoor units, the fan speeds are
different.
For
FSOAIF-Pro-95AE2
FSOAIF-Pro-125AE2
The fan speed is controlled by T4 and
compressor frequency.
& f
T 4 & fr e q u e n c y
27
the compressor will stop,
h
-1.5 the compressor will be on.
models,
D
C
B
A
A +