ION SYST0101CW - Model and Serial Numbers

51
8. Wiring Diagrams
A160107I
Universal Four-Wire Connection
DX-
DX-
DX-
DX+
DX+
DX+
DX-
C
R
C
R
U
ser Interface
Green - Data A
Yellow - Data B
White - COM
Red - 24VAC
OAT
Optional Remote
Room Sensor
HUM
COM
24V
Humidifier
Connection
S2
S1
C
R
Communications
Connections
Communicatin
g
AC, HP or GHP
*
Green
Yellow
White
Red
OAT
Sensor
(Optional)
Variable-Speed
Furnace/ Fan Coil
*NOTE: Some outdoor units do not require the “C” and “R” connections.
See outdoor unit Installation Instructions.