valves is told to open by the controller, the controller also signals the master valve to open.
The purpose of the master valve is to shut off the water to the irrigation system when none
of the zone valves are operating.
IMPORTANT: The default setting for the Pump Start Relay/Master Valve is NOT
ASSIGNED (OFF) in the software settings.
Operation Chart
Controller Model Set Master Valve Operation
HC ON or OFF by All Zones
PRO-HC ON or OFF by All Zones
X2 w/WAND WiFi Module ON or OFF by Zone or All Zones
HPC ON or OFF by Zone or All Zones
HCC ON or OFF by Zone or All Zones
Wiring
1. Route the master valve wire between valve location and the Hydrawise controller.
2. Attach the common wire to either solenoid wire. This is most commonly a white-colored
wire. Attach a separate control wire to the remaining wire of each master valve
solenoid. All wire splice connections should be done using waterproof connectors.
3. Route wire through the conduit or one of the openings on the bottom of the cabinet.
4. Strip ½" (13 mm) of insulation from the ends of all wires. Secure the valve common
wire to the “COM” (Common) terminal. Attach the opposite control wire to the M/V
terminal.
Wiring Illustrations
HC PRO-HC
