Airwell FBF030 - Page 58

11-8
CONTROL SYSTEM
SM FBFRPM 1-A.0 GB
11.4.3 Sequence Diagrams
a. Maintaining room temp at desired level by comparing RT and S PT with user
defined IFAN speed.
(RT - SPT) [
o
c]
+3
+2
+1
0
-1
-2
ON
OFF
ON
OFF
USER FAN SPEED
ON
OFF
COMP
(WVL)
OFAN
IFAN
RV