Fisher FSAIF-Pro-95AE2 Service Manual page 30

For
FSOAIF-Pro-185AE2
FSOAIF-Pro-245AE2
T 4
E
D
C
B
A
A +
8.4.3.3 Indoor fan running rules
When the compressor is on, the indoor fan can
be set to high/med/low/auto. And the anti-cold
wind function has the priority.
The indoor fan is controlled as below:
Td=Ts+Δt
Auto fan action in heating mode:
T 1 -T d
8.4.3.4 Defrosting mode
For
FSOAIF-Pro-95AE2
FSOAIF-Pro-125AE2
AC will enter the defrosting mode according to
the value of temp. of T3 and the value of temp.
models,
models,
of T4 and also the compressor running time.
During the defrosting mode, the compressor keep
running, indoor and outdoor motor will stop,
defrost lamp of the indoor unit will be lighted
" ." Will be displayed.
If any one of the following items is satisfied, the
defrosting will finish and the machine will turn to
normal heating mode.
----T3 rises to be higher than TCDE1℃.
----T3 keeps to be higher than TCDE2℃ for 80
seconds.
----The machine has run for 15 minutes in
defrosting mode.
For
FSOAIF-Pro-185AE2
FSOAIF-Pro-245AE2
AC will enter the defrosting mode according to
the value of temp. of T3 and the value range of
temp. change of T3 and also the compressor
running time.
During the defrosting mode, the compressor keep
running, indoor and outdoor motor will stop,
defrost lamp of the indoor unit will be lighted
" ." Will be displayed.
If any one of the following items is satisfied, the
defrosting will finish and the machine will turn to
normal heating mode.
----T3 rises to be higher than TCDE1℃.
----T3 keeps to be higher than TCDE2℃ for 80
seconds.
----The machine has run for 10 minutes in
defrosting mode.
8.4.3.5 Evaporator coil temperature
protection
28
models,