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Old 02-18-2014, 11:18 PM   #2
gamecock88
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Default Re: Reviving Old Sprinkler System With Well Pump (New Timer)- Help!

Unless there is something special to that controller, You need a relay to start that pump. It will receive its signal to start from that pump terminal on the controller and use the extra common terminal. The relay will have power wired to it separate and will switch the power to the pump on and off depending on the signal from the sprinkler control. When the signal is sent to the relay, it starts the pump and charges the system with water at the "manifold" or point where all incoming water supply lines are piped to the solenoids and out to the zones not just a particular zone. Each zone is then switched on and off by the controller you purchased through the valve solenoids. Your logic appears sound on the wiring of the valve solenoids. Look for a relay accessory through Orbit our your local irrigation supply house. Depending on the size of the pump, the may call it a contactor but the concept is the same.

Im not familiar with that controller. Orbit makes decent heads and fittings, never used their controllers. RainBird is all that I have installed.
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