Carrier 33CS - Page 6

6
COM
G3/(Y)
G2/(W)
G
LO
MED
HI
(HEAT)
(COOL)
(VALVE)
FAN
24vac
R
C
COM
G
G3(Y)
G2(W)
R
C
G2
G3
G
VVR
24 Volt Cold
Water Valve
24 Volt Relay
to Control Strip Heater
Y1
W1
33ZCRLYBRD
THERMOSTAT
Fig. 7 — Typical Wiring Diagram — 2-Pipe, Low Voltage Valve, Chilled Water with Electric Strip Heat
COM
G3/(Y)
G2/(W)
G
LO
MED
HI
(HEAT)
(COOL)
(VALVE)
FAN
24vac
R
C
COM
G
G3(Y)
G2(W)
RS+5
RS GND
RS
REMOTE SENSOR
H2O
Changeover Sensor
33CSWCO-FC
33CSSEN-01
33CSSEN-WB
33CSSEN-DS
33ZCRLYBRD
R
C
R
C
G2
G3
G
RS+5
RS
H2O
THERMOSTAT
V
24 Volt Water
Valve
Y1
Fig. 6 — Typical Wiring Diagram — 2-Pipe, Low Voltage Valve, Water Changeover Sensor