8-13
CONTROL SYSTEM
Revision Y05-01Service Manual - DNC Series
4.1. Heating, RC or SH Group
Mode: Heat, Auto (at heating)
Temp: Selected desired temperature
Fan: HIGH, MED, LOW
Timer: Any
I Feel: On or Off
Control function
Maintains room temp. at desired level by comparing RAT or RCT to
SPT.
(RT - SPT) [
o
c]
+2
+1
0
-1
-2
-3
ON
OFF
ON
OFF
H/M/L
OFF
L
ON
OFF
Note 1 Note 2
COMP
(WVL)
HE1
HE2
IFAN
ON
OFF
RV
Note :
1) Refer to Sect 4.0.3.b for IFAN operations when COMP is OFF.
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