Carrier EDGE Pro 33CS2PPRH-01 Installation Instructions Manual page 15

COMMERCIAL THERMOSTAT
O/W2/B
a33-9180
OAT
RRS
SRTN
HUM
*Connection not required.
Fig. 19 — Thermostat Wiring — 38ARD Commercial Split System Units
COMMERCIAL THERMOSTAT
a33-9181
Fig. 20 — Thermostat Wiring — 38 Series and 40 Series Split System Units
Rc
Rh
W1
G
Y2
C
Y1
LLSV-1
IFC
D1
D2
V+
Vg
Rc
Rh
W1
G
Y2
C
O/W2/B
Y1
OAT
RRS
SRTN
HUM
D1
D2
V+
Vg
CONNECTION
BOARD (TB)
R
Y1
Y2
W1
W2
G
C
X*/8
LLSV-2
38ARD012
LEGEND
IFC — Indoor Fan Contactor
LLSV — Liquid Line Solenoid Valve
15
TB2
1
2
3
W1
W2
4
9
5
38ARD014-024
INDOOR UNIT
R
G
C
FAN COIL
40 SERIES
OUTDOOR UNIT
R
C
CONDENSING UNIT
38 SERIES