Heat element (2
nd
stage)
Cl/Ht valve / Cl/Ht valve PID
20
21
22
23
PID
PID
Fan VFS
Fan speeds
Economizer
24
25
26
27
28
29
30
FC Configurations for 2-Pipe systems
FC Configurations for 2-Pipe systems without humidification/dehumidification
FC Configurations for 2-Pipe systems with humidification/dehumidification
Heat element (2
nd
stage)
Cool/Heat valve
Humidifier
Dehumidifier
Reheat (Dehumidify)
Cool/Heat valve PID
Fan VFS
Fan speeds
Economizer
Humidifier
Dehumidifier
Reheat (Dehumidify)
Configuration:
Outputs
Configuration:
Outputs
- 18 -
+
Yes
Option
2 3
1
2 3
1
2 3
1
2 3
1
2 3
1
2 3
1
2 3
1