8-25
CONTROL SYSTEM
Revision Y05-01Service Manual - DNC Series
1. The ICT is also monitored during Cool and Dry mode, in case
the RV control circuit is faulty. Whenever ICT reaches 70
o
c,
which indicates a high pressure in the indoor coil, the COMP
will be forced off automatically. The COMP can be turned on
again only after the ICT is under 70
o
c again and after the 3 min
COMP ON delay time. The OPER LED will not blink in this
case.
7.2. Heating Mode Protections
7.2.1. Outdoor coil Deicing (excluding RH Group)
Mode: Heating, Auto (at heating)
Temp: Selected desired Temp
Fan: Any
Timer: Any
I FEEL: Any
Control function
Protects the Outdoor coil from ice formation by controlling COMP &
RV operation.
7.2.1.2 Deicing procedure
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