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The auxiliary heater is an additional heating
component to the IDU unit, but it increases power
consumption after it starts working.
5.3.5 Key lock setting
Enable key lock:
Holding both
for 1 second
Disable key lock:
Holding both
for 1 second
5.3.6 Defrosting prompt
INFORMATION
i
Enable key
lock
Disable key
lock
When frost builds up on the surface of
the outdoor unit, the heating effect will
be compromised. In this case, the unit
starts defrosting automatically.
25
The wired controller
doesn't respond when
buttons are pressed
and "
" flashes.
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