Electra EMD 60 - Heating, RH Group

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CONTROL SYSTEM
Revision Y05-01Service Manual - EMD Series
4.4. Heating, RH Group
Mode: Heat, Auto (at Heating)
Temp: Selected desired temperature
Fan: HIGH, MED, LOW
Timer: Any
I Feel: On or Off
Sequence Diagram
Maintains room temp at desired level by controlling Heating Elements : HE1 or HE2.
(RT - SPT) in
o
c
+2
+1
0
-1
-2
-3
ON
OFF
ON
OFF
H/M/L
OFF
L
30 sec
HE1
HE2
IFAN