Hayward - wiring new heater to Omni

pvweeks

New member
Apr 2, 2022
2
Houston, Tx
~1 year lurker, big fan of the community and the wealth of knowledge here! We have a smallish (for Texas, 13,000 gal) pool, 1.5 years old, all Hayward equipment, no spa, it all ties nicely into our Omni Logic controller. I used a neighborhood pool guy last week to put in a heater (picked a Hayward 250k gas unit, so it would play nicely with the controller and other equipment, theoretically). He is a Pentair guy, and I did not specify in the request for service that they tie the unit into the controller. they didn't come out for a site visit prior to install. I felt price overall was quite fair for purchase and hookup of heater (included running 55 feet of gas line from the meter to the heater, regulator, check valve, shutoff valves, etc). Anyway, it's all in, works manually, I just need to run some low voltage wiring from the heater to the Omni unit 3 feet away so that I can monitor/control from my phone remotely. I'm reasonably handy, seems like an easy wire-up, but I can't figure out if there's Hayward wire harness I need to buy? Lots of videos out there on hooking up "at the heater", 2 wire or 3 wire, but not sure if they are using Home Depot 22 gauge general wire? The input to the Omni Logic box looks like it needs a specific connection, just not sure where to get that or if it's just an easy add. Hope this makes sense, thanks for any guidance!
 
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~1 year lurker, big fan of the community and the wealth of knowledge here! We have a smallish (for Texas, 13,000 gal) pool, 1.5 years old, all Hayward equipment, no spa, it all ties nicely into our Omni Logic controller. I used a neighborhood pool guy last week to put in a heater (picked a Hayward 250k gas unit, so it would play nicely with the controller and other equipment, theoretically). He is a Pentair guy, and I did not specify in the request for service that they tie the unit into the controller. they didn't come out for a site visit prior to install. I felt price overall was quite fair for purchase and hookup of heater (included running 55 feet of gas line from the meter to the heater, regulator, check valve, shutoff valves, etc). Anyway, it's all in, works manually, I just need to run some low voltage wiring from the heater to the Omni unit 3 feet away so that I can monitor/control from my phone remotely. I'm reasonably handy, seems like an easy wire-up, but I can't figure out if there's Hayward wire harness I need to buy? Lots of videos out there on hooking up "at the heater", 2 wire or 3 wire, but not sure if they are using Home Depot 22 gauge general wire? The input to the Omni Logic box looks like it needs a specific connection, just not sure where to get that or if it's just an easy add. Hope this makes sense, thanks for any guidance!
No special wiring harness needed, and the Omni hooks up via 2-wire. You can grab 20-22 AWG from Home Depot and wire from the heater harness to any of the low voltage relays on the Omni. Once you program the Omni to add the heater, don’t forget to put the heater in Bo remote control mode per the instructions below.

Shot of my wiring, plus the relevant sections on the manuals. Note that I have an OmniPL; should be similar if you have the full OmniLogic, but check to make sure you have the right LVR terminal location.
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