Heaters Operation Rules For Rc And Sh Groups - Electra WNG 7 Service Manual

CONTROL SYSTEM
12Α.6.3.

Heaters operation rules for RC and SH groups

•
For both RC and SH groups, Heaters versus ΔT is as the following:
ON
OFF
ON
OFF
•
Operation rules for Heaters in RC group:
a. Heaters can be enabled only if IFAN is ON,.i.e IFAN is in higher
precedence than the Heaters.
b. Heaters will operate according to ΔT and the following graph:
HE-1
&
HE- 2
ON
OFF
General:
Window:
12a-14
HE1
1 2 3
20 32
15 20
Revision Y05-03
CONTENT
HE2
o
T=SP-RT [ c]
4
ICT
45 50
Service Manual - WNG