Electra EMD 40 - Page 50

7-11
CONTROL SYSTEM
Revision Y05-01Service Manual - EMD Series
3.3.2 Maintaining room temp at desired level by comparing RT and SPT with AUTO-IFAN.
(RT - SPT) [
o
c]
+4
+3
+2
+1
0
-1
-2
ON
OFF
ON
OFF
H
L
M
ON
OFF
COMP
(WVL)
OFAN
IFAN
RV
Note: Refer to Sect 2.22.2 for IFAN operations in Auto-fan mode.