8. Appendix A - - Wiring Diagrams
User Interface
Green - Data A
A
Yellow - Data B
B
C
Red - 24VAC
D
S1
Optional Remote
Room Sensor
S2
*NOTE: Some outdoor units do not require the "C" and "D" connections.
See outdoor unit Installation Instructions.
Variable-Speed
Furnace/ Fan Coil
A
B
White - COM
C
D
HUM
Humidifier
Connection
COM
24V
OAT
Universal Four- - Wire Connection
63
Communicating
AC or H P*
Green
Yellow
B
White
C
Red
D
ABCD
Connections
OAT
Sensor
(Optional)
A12353