12a-19
CONTROL SYSTEM
Revision 0
12Α.7.2. Sequence Diagrams
• Auto Cooling or Heating, RC or SH Groups
Maintains room temp at desired level by selecting between cooling and heating modes.
(RT - SPT) [
o
c]
+3
+2
+1
0
-1
-2
-3
-4
ON
OFF
ON
OFF
H/M/L/OFF
ON
OFF
ON
OFF
COMP
& OFAN
HE1
HE2
IFAN
RV
USER FAN SPEED H/M/L/OFF
Auto Cool Mode Auto Heat Mode
> 4 min > 3 min
> 3 min > 2 min
(3) (3)
(4)
(4)
Auto Heat Mode
Notes:
1) Refer to Sect. Error! Reference source not found. for the details of IFAN operation.
2) Refer to Sect 0 for the minimum mode-change delay from COMP/HEs OFF.
3) HE2 is not used
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