12-10
CONTROL SYSTEM
SM CKDDCI 2-A.3 GB
12.4.3.3 Sequence
Diagrams
Maintaining room temp at desired level by comparing RT and SPT with user defined IFAN speed.
0
+1
+2
+3
-3
-2
-1
(RT - SPT) [
q
C]
COMP
OFAN
IFAN
RV
ON
OFF
ON
OFF
OFF
ON
OFF
User Fan Speed
COMP Speed
decrease
COMP Speed
increase
OFAN Speed
decrease
OFAN Speed
increase