Carrier 42C Installation And Start-Up Instructions Manual page 16

TWO
POSITION
DAMPER
Valve Valve
HEAT1 24VAC HEAT2
COM
DX1 DX2
Fig. 18 — Two-Position, Minimum Outdoor Air Damper Wiring (Field-Installed)
+24V DC
RH
SPT
GND
GND
IAQ
SAT
+10V
T56
FAN AC
SPEED
GND
FAN GND
ON
CNGOVR
CONDSW
LOW
REMOTE
GND
MED
HIGH
R R
+
W
W
GND
24VAC
Fresh B
B
-
Air
Damper
OAD
1
2
J1
3
16
Not Used
CCN
communications
CCN
communications
24 VAC Line
Voltage
Equipment Ground