IV. WIRING - ELECTRIC VALVES
Station Valves
52
Installation, Programming and Operation Guide
Master
Note: Complete this section only if your system requires a
Valve
master valve or pump start relay. The controller does not
provide main power for the pump.
Valve Test Terminal
Valve Test Terminal (VT) provides a constant 24V
output (with applied AC power) that can be used
to quickly check station valve wiring.
Power relay
Pump start relay
To "COM"
To "MV"
Pump Start
The terminal marked MV is used to
automatically start a pump with a relay
or to open a master valve. The MV terminal
provides power only when one of the
stations is operating.
Recommended relays :FINDER 55 32 80 24,
HAGER ES-224, TELEMECANIQUE GC
1610B5 or equivalent.
Rain Bird
ESP Modular Controller
®