8-14
CONTROL SYSTEM
Revision Y05-01
Service Manual - DNC Series
2) Refer to Sect 4.0.3.a for IFAN operations when COMP is ON.
3) For OFAN operation, see Note 4 of Sect 4.2.
4.2. Heating, RC or SH Group with Autofan
Mode: Heat, Auto (at heating)
Temp: Selected desired temperature
Fan: Auto
Timer: Any
I Feel: On or Off
Control function
Maintains room temp at desired level by controlling COMP, IFAN and
OFAN.
(RT - SPT) [
o
c]
+2
+1
0
-1
-2
-3
ON
OFF
ON
OFF
H
OFF
L
M
ON
OFF
Note 1 Note 2
COMP
(WVL)
HE1
HE2
IFAN
RV
ON
OFF
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