9
CONNECTING A MASTER VALVE
NOTE: Complete this section only if you have a
master valve installed in your irrigation system. A
master valve is a “normally closed” valve installed
at the supply point of the main line that opens only
when the controller initiates a watering program.
1.
At the Master Valve, attach the common wire to either solenoid
wire of the valve. Attach a separate control wire to the remaining
solenoid wire.
2. The common wire should be attached to the C terminal inside
the controller. The other wire coming from the master valve
should be attached to the P terminal inside the controller.
Tighten each terminal screw.
SEN C P 1 2 3 4 5 6 7 8
24VAC
BAT
Master Valve
Valve 2
Valve 1
Valve 3
Valve 4
Master
Valve Wire
Valve Common Wire
Valve Wires
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