Rain Bird Pump Start Relay Wiring Diagram. Rain bird esp wiring diagram. This diagram shows wiring for a pump start relay wired with a rain sensor (rain check) or a soil moisture sensor (aquamiser).
8 4 24v 14 12 5 1 13 9 2t1 4t2 Wiring a pump start is easily accomplished if you follow a few basic steps. The rain bird pump start relays work with a lawn controller’s start/stop command to facilitate the electrical path from the breaker box to the pump motor.