Electra PXD912 Service Manual page 84

CONTROL SYSTEM
11.9 Heating, RH Group, with AUTOFAN
Mode: HEAT, AUTO (at Heating)
Temp: Selected desired temperature
Fan: AUTO
Timer: Any
I-FEEL: ON or OFF
11.9.1 Sequence Diagram
Maintains room temp. at desired level by controlling the 2-Stage Electric Heaters.
(RT - SPT) in
+2
+1
0
-1
-2
-3
HE1
HE2
IFAN
11-18
o
c
ON
OFF
ON
OFF
H
M
-2
L
-1
OFF
CONTENT
30 sec
-4
-3
SM PXD 1-E.3 GB