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  1. hutchej

    Wiring Hayward OmniHub to a Pentair 250M Millivolt Heater

    Well James you had it right! The key with OmniHub and this heater is to wire LV1 to the 'Off' part of the switch (red dot). With the switch set to pool and the thermostat set to the highest level. Now when I turn the heater on/off in OmniHub it works properly and simply turning up the pump...
  2. hutchej

    Wiring Hayward OmniHub to a Pentair 250M Millivolt Heater

    Morning all, thanks again for all of the quick replies, this is a great community! I ran the tests both in continuity and ohm mode. In continuity mode with the heater off: With the heater switched to on in the automation it starts with the first picture below and settles to the second...
  3. hutchej

    Wiring Hayward OmniHub to a Pentair 250M Millivolt Heater

    I'll get to that in the morning and report back, thanks for the advice!
  4. hutchej

    Wiring Hayward OmniHub to a Pentair 250M Millivolt Heater

    Howdy folks, here are the details requested in a video and set of pictures. First picture is where the heater is connected (yellow square). I disconnected the two wires from the heater and connected them to my multi-meter. This is a picture of what the multi-meter reads when the heater is set...
  5. hutchej

    Wiring Hayward OmniHub to a Pentair 250M Millivolt Heater

    Thanks for all the quick replies folks. In service mode when I select the heater I can hear what sounds like a relay click on the OmniHub. I will take a multi-meter and see if it's open or closed and also try touching and removing both wires to see if anything happens. The wiring diagram looks...
  6. hutchej

    Wiring Hayward OmniHub to a Pentair 250M Millivolt Heater

    The heater is physically connected to the OmniHub Wiring Hub via the Heater LV1 (two wire) location on the control board. The heater does not turn off when you set it to off in OmniHub. If I adjust the thermostat down on the heater it turns off. If I turn the pump speed down to trigger the flow...
  7. hutchej

    Wiring Hayward OmniHub to a Pentair 250M Millivolt Heater

    Hi James, thanks for your reply, yes this is what my heater looks like. See the attached pic of the plate.
  8. hutchej

    Wiring Hayward OmniHub to a Pentair 250M Millivolt Heater

    I've wired the two wire leads to the following locations on the heater. What I am noticing is the OmniHub is not properly controlling the heater and basically if the flow switch is triggered by the pump being at the right speed the heater will kick on if the switch on the front is switched to...
  9. hutchej

    OmniHub not controlling Jandy heater

    Was the issue in the OmniHub or the Jandy?
  10. hutchej

    Wiring Hayward OmniHub to a Pentair 250M Millivolt Heater

    Awesome thank you for your quick reply! The. I’m assuming you set the dial to the hottest setting so the OmniHub will always be able to turn the heater on.
  11. hutchej

    Wiring Hayward OmniHub to a Pentair 250M Millivolt Heater

    Hi there, I'm planning my wiring for my upcoming installation of a Hayward OmniHub system. I'm trying to figure out where you connect the 'remote control' wires from the OmniHub to the heater in this wiring diagram. Anyone have any insights?