Carrier Comfort Pro 33CSCNACHP-01 Installation Instructions Manual page 9

33CSCNACHP-01
Rc
Rh
W
C
G
Y2
S1
S2
O/B
Y1
Fig. 8 — Thermostat Wiring — 42B Motor Controls — 3-Phase with Interlocking Disconnect
33CSCNACHP-01
Rc
Rh
W
C
G
Y2
S1
S2
O/B
Y1
Fig. 9 — Thermostat Wiring — 48/50HC, 48/50TC, and 48/50LC04-06 Rooftop Units
and 2-Stage Electric Heater
9
6 24 VAC
4
HEAT 1
7
COMMON
8
FAN
3
HEAT 2
Unit CTB Thermostat
X*
C
G
W2
W1
Y2
Y1
R
* X is not wired to thermostat.
a33-9245
a33-9246