Electra PXD912 - Page 86

CONTROL SYSTEM
11-20 SM PXD 1-E.3 GB
11.10.2 Sequence Diagrams
a. Auto Cooling or Heating, RC or SH Groups
Maintains room temp. at desired level by selecting between cooling and heating
modes.
(RT - SPT) [
o
c]
+3
+2
+1
0
-1
-2
-3
-4
ON
OFF
ON
OFF
H/M/L/OFF
ON
OFF
ON
OFF
COMP
& OFAN
HE1
HE2
IFAN
RV
USER FAN SPEED H/M/L/OFF
Auto Cool Mode Auto Heat Mode
> 4 min > 3 min
> 3 min > 2 min
(3) (3)
(4)
(4)
Auto Heat Mode
CONTENT