Carrier Comfort Pro 33CSCNACHP-01 Installation Instructions Manual page 15

33CSCNACHP-01
Rc
Rh
Y2
S1
S2
O/B
Y1
a33-9303
Fig. 20 — Thermostat Wiring — 38AU Commercial Split System Units with 40RUA Air Handler Units
JUMPER FOR
a33-9306
Fig. 21 — Thermostat Wiring — 40RU/38RU Packaged Air-Handler Units
W
C
G
TERMINAL BLOCK
TB1
HEAT PUMP
WIRING
OMIT FOR
HEAT PUMP
WIRING
OUTDOOR
INDOOR
CONNECTION CONNECTION
BOARD (TB)
BOARD (TB)
R
Y1
Y2
W1
W2
G
C
ONLY REQUIRED FOR
38AUQ HEAT PUMP
ELECTRIC HEAT
ACCESSORY
Rc
Rh
W
C
G
Y2
S1
S2
O/B
Y1
33CSCNACHP-01
THERMOSTAT TERMINAL STRIP
15
R
Y1
Y2
W1
W2
G
C
CONNECT TO
24VAC AT
CONDENSING
UNIT