Anytime a zone is activated the pump relay is activated to pressurize the system with water. Without the use of the switch the water pump would always be on or off.
Water Level Control Kit
Water pump relay wiring diagram. Psr universal pump start relay psr tech spec psr manual. Wiring the pump relay. Pump start relay wiring. A pump start relay serves as a switch that activates 110 220vac power to the pump when the generation 2 smart sprinkler controllers master valve is enabled. Since the controller outputs 24volts ac power and most pumps require anywhere from 110 220 volts ac the pump relay acts as a step up transformer to route additional power to the pump and activate it. Psr110220 dual pole pump start relay psr110220 tech spec psr110220 installation guide manual.
Pressure switches are used on water pumps for the accurate control of the pump as it produces pressurized water. Connect the wiring from the power source to the pump relay and from the pump relay to the pump. This wire must be enclosed in electrical conduit and installed by a licensed electrician. Psr wiring diagram 220 volt. When wiring a pump relay. Psrp pump start relay psrp tech spec psrp manual psrp wiring diagram.
Psr wiring diagram 110 volt. However with the pressure switch the pump can be adjusted to turn on and off at predetermined settings to control the pump and subsequent pressure. Since the generation 2 controller outputs 24vac a pump start relay is required when using a pump with the generation 2.
Gallery of Water Pump Relay Wiring Diagram
