Fisher FSAIF-Pro-93AE2 Service Manual page 45

8.4.3.5 Evaporator coil temperature protection
Off: Compressor stops.
Decrease: Decrease the running frequency to the lower level.
Hold: Keep the current frequency.
Resume: No limitation for frequency.
8.4.4 Auto-mode
This mode can be chosen with remote controller and the setting temperature can be changed between
17~30℃.
In auto mode, the machine will choose cooling, heating or fan-only mode according to ΔT (ΔT =T1-Ts).
Indoor fan will run at auto fan of the relevant mode.
The louver operates same as in relevant mode.
If the machine switches mode between heating and cooling, the compressor will keep stopping for 15
minutes and then choose mode according to T1-Ts.
If the setting temperature is modified, the machine will choose running function again.
8.4.5 Drying mode
8.4.5.1 Indoor fan speed is fixed at breeze and can't be changed. The louver angle is the same as
in cooling mode.
T2
TEstop
TEdown
TEnorm
ΔT=T1-Ts
ΔT＞1℃
-1<ΔT≤1℃
ΔT≤-1℃
Off
Decrease
Hold
Resume
Running mode
Cooling
Fan-only
Heating
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