Sequence Diagrams - Electra WNG 7 Service Manual

CONTROL SYSTEM
12Α.5.3. Sequence Diagrams
•
Maintaining room temp at desired level by comparing RT and SPT with user defined IFAN
speed.
o
(RT - SPT) [ c]
+3
+2
+1
0
-1
-2
ON
COMP
OFF
(WVL)
ON
OFAN
OFF
USER FAN SPEED
IFAN
ON
RV
OFF
Note:
1) IFAN is always running at High, Medium, Low or Strong speed selected by user.
2) In IFEEL mode, the Room Temperature (RT) is the RCT from a R/C. Otherwise, the
RT is the RAT from the Room Thermistor.
12a-10
Revision Y05-03
CONTENT
Service Manual - WNG