How do I bypass the pressure switch on my pool heater?
You can also temporarily bypass the pressure switch by using a jumper wire to make good contact with both terminals on the switch. If the switch is the problem, bypassing it should allow your heater to start running.
What does a water pressure switch do in a pool heater?
The water pressure switch is preset at the factory and should only be adjusted “if needed”. The water pressure switch is designed to shut the heater off when the water circulation pump shuts off. The water pressure switch will keep the unit from running when there is no water flow.
How do you change a water pressure switch on a Hayward?
Turn the adjustment knob on the pressure switch clockwise, until the heater turns off, then turn the knob 1/4 turn ounter-clockwise, so that the heater turns back on. Turning the adjustment knob clockwise increases the pressure needed to close the switch.
Can you bypass a flow switch?
Broken Flow Switch Use another short piece of wire to connect the two wires you just pulled off that connect the spa to the main control panel. This action bypasses the flow switch and completes the electrical circuit back to the main control panel.
What would cause pool heater to not ignite?
This could be as a result of low gas pressure, inadequate air supply, or improper venting. Ensure that the gas is turned on, and for propane, make sure the tank has fuel. Also, check for water run-off from the roof or sprinklers that may be flooding the pool heater.
How do you adjust the pressure switch on a pool?
Some adjustable pressure switches have an Adjustment Screw of grey plastic that accepts a small skinny flathead. Turn the screw slowly to the left, counter-clockwise, to reduce the minimum required pressure. Turn it slowly just barely beyond the point where the heater turns On.
What does LP mean on Hayward pool heater?
The low-pressure switch will shut the heat pump down when the evaporator starts to freeze. When the unit starts to freeze the low-pressure switch will be tripped, causing the display to read “LP” This will prevent the evaporator from becoming damaged or deformed.
How do you troubleshoot a flow switch?
How to Troubleshoot Flow Switch Operation
- Turn the unit off and unplug it from the power source for 30 seconds.
- Ensure the flow switch valve is open.
- Look at the water level in the hot tub.
- Clean out the filter.
- Check the output pressure and input pressure of the spa’s jets and filter.