Carrier GC Series - Water Solenoid Valve Wiring Diagrams for Open Loop Systems

10
Water Solenoid Valve Wiring Diagrams for Open Loop Systems
24 VAC Con trols
W/YC
END
SWIT C H
THERMOSTAT HE AT P UMP
Jumper
G
Y2
Y1
O
C
G
Y2
Y1
O
C
R
R
W
W
MVBR3F or MVBR4F
A180273
Fig. 10 -- Single Solenoid Valve Wiring
W/YC
END
SWIT C H
T
HERMOSTAT HE AT P UMP
Jumper
G
W
Y1
O
C
G
W
Y1
O
Y2
C
W/YC
END
SWIT C H
Y2
R
R
MVBR3F or MVBR4F
MVBR3F or MVBR4F
A180274
Fig. 11 -- Two Solenoid Valve Wiring
Communicating Controls
UPM Circuit Board
W/YC
END
SWITCH
MVBR3F or MVBR4F
A180275
Fig. 12 -- Two Solenoid Valves
NOTE: SeeFig13fortwovalvesystems.