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Thread: Connecting a Hayward HP50HA heat pump to a pentair easy touch

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    Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Hi,

    I have a Hayward HP50HA heat pump I want to connect to a pentair easy touch control panel. I have spoken with both pentair and Hayward and neither can tell me how to hook these together. Please help me.

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    Mod Squad Jimrahbe's Avatar
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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Big,

    I'm far from being an expert on heat pumps, but I did look at the HP50HA manual, and it does not appear to me that your heat pump is externally controllable.

    So what is it that you want your Easytouch to be able to be able to control?

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Calder Spa.

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Hi Jim,

    i want the Easytouch to control the temperature of the pool and spa without me having to go to the heat pump and turn it up manually. I have the unit hardwired to one of the Easytouch relays. I just need to wire it with the low voltage wires. The Hayward HP50HA has an output for a controller. It consists of three wires, one of which says 12v, the second says Net, the third says GND. Hayward tech support told me this is where their controller would hook up. The Easytouch has a four wire com connection or a two wire heater connection.

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    Mod Squad Jimrahbe's Avatar
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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Big,

    My gut says that it is unlikely that the EasyTouch can communicate directly with your Heat Pump. It is not just a case of adding wires between the two, but I suspect they are not programmed to talk with each other. But, like I said, I have little experience with Heaters in general, so let's hope that one of the "Heater Experts" from this site can provide a better answer.

    I do believe that you should be able to control the Heat Pump using the HP's flow switch and the EasyTouch's temperature probe. I'll try an experiment in the next day or so and let you how it turns out.

    Thanks,

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Calder Spa.

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Thanks Jim. I really appreciate it!

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    Mod Squad pooldv's Avatar
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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Pool automation software is stuck in the stone age. Every brand has their own software, their own connections and they rarely are able talk to other brands of equipment. We always advise to stay with the same brands for automation, pumps, heaters and saltwater chlorine generators. And usually for lights too.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Quote Originally Posted by pooldv View Post
    Pool automation software is stuck in the stone age. Every brand has their own software, their own connections and they rarely are able talk to other brands of equipment. We always advise to stay with the same brands for automation, pumps, heaters and saltwater chlorine generators. And usually for lights too.
    All I need the easy touch to do is turn the heater off when it gets up to temperature and turn it back on when the temperature drops back down. Basically I just need to bypass the thermostat on the heat pump. The easy touch has a two wire connection that says it will operate most gas heaters and heat pumps.

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    The Easy Touch connection to a heater consists only of a relay on the Easy Touch PCB that will close the 2 wire connection when the Easy Touch demands heat. Other than that, Easy Touch does not "talk" to any heater. The RS-485 connection on the Easy Touch will only communicate with other "smart" devices such as remote controls, VS pumps and chemical injection systems.

    In looking at the manual for your heat pump, I do not see any reference to remote control of the heat pump. My Raypak heater has a specific mode that you set so that the heater will only turn on and off when the remote control cable from the heater is closed or opened by the relay on the Easy Touch. The manual for your heat pump does not show any means for setting a remote control mode.
    38000 Gal, IG, Plaster, 20' x 40' x 10', Attached Raised Spa, Intelliflo VS 3 HP (011018), Pentair Quad DE 60 Filter, Raypak (Rheem) 400,000 BTU (407a low Nox), Easy Touch 8 upgrade, Screenlogic 2 with wireless, IS-4 Spa Side Remote, Stenner 45MPHP10 w/15 gal tank, Intellibrite 5g (3), Dolphin Triton Plus robot with PRO remote, Water Tech Catfish handheld vacuum for spa, TF100 with SpeedStir.

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    Mod Squad pooldv's Avatar
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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    That sounds like the 2 wire on/off switching mechanism in heaters often referred to as a fireman switch. No idea what that really means.
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    2012 build and pics, 20k gal gunite, black onyx pebblesheen, OK flagstone, IntellifoVS, cart filter w/Pleatco, IC40 SWG, Solartouch, 5 12'x4' solar panels, HP50HA heat pump, 8mil solar cover, borates, TF-100 test kit, SONOS, Doheny's Discovery Robot, hot tub on bleach

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Quote Originally Posted by gary300 View Post
    The Easy Touch connection to a heater consists only of a relay on the Easy Touch PCB that will close the 2 wire connection when the Easy Touch demands heat. Other than that, Easy Touch does not "talk" to any heater. The RS-485 connection on the Easy Touch will only communicate with other "smart" devices such as remote controls, VS pumps and chemical injection systems.

    In looking at the manual for your heat pump, I do not see any reference to remote control of the heat pump. My Raypak heater has a specific mode that you set so that the heater will only turn on and off when the remote control cable from the heater is closed or opened by the relay on the Easy Touch. The manual for your heat pump does not show any means for setting a remote control mode.
    There are three connections on the heater board that say " to controller". That is where the heater tech support told me connects to the Hayward automation system.

    I do have the heater connected through the relay but it doesn't turn the unit off or on unless it needs to be programmed to do that. Also, I wouldn't think it would be good for the heater to be turning the main power on and off all the time.

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    Mod Squad Jimrahbe's Avatar
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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Big,

    Ok, here is what I recommend.

    1. Run AC power to the heater without any relays.. Circuit breaker direct to heater AC input.
    2. Inside your EasyTouch, take an unused Aux relay and connect its two pin coil plug to the Electric heater output on the main circuit card. It has a two pin plug just like all the Aux relays do.
    3. At this point you should be able to turn the set point for the temperature you want up and down (on the EasyTouch) and make the relay go on and off.
    4. You may have to turn on the heat function in your EasyTouch first.
    5. Assuming you can turn the relay on and off, then open up your heater and find the wiring that goes to the flow switch (Marked FS D102 and Gnd... See your heater manual)
    6. Now wire your EasyTouch relay, that is now controlled by the electric heater output, in series with the flow switch inside your heater.
    7. If you now turn on your heater and set it for max temp, then "in theory" the heater should run until the EasyTouch see the temperature it wants. When that happens the relay opens and the heater stops due to a low flow interrupt.
    8. Once the temperature drops below the set point the relay closes again and "in theory" the heater will turn on.

    Try it and see how this works. And.. if you don't have ScreenLogic, you might want to get it as it makes turning on the heater and adjusting the set point about a 15 sec job and from inside your house.

    Let me know if you have any questions.

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Calder Spa.

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Jim, that is a very nice solution you came up with. I did not even realize that the Easy Touch motherboard had an electric heater connector. I have a regular gas heater and just used the normal heater connections. Learn something every day on this forum!
    38000 Gal, IG, Plaster, 20' x 40' x 10', Attached Raised Spa, Intelliflo VS 3 HP (011018), Pentair Quad DE 60 Filter, Raypak (Rheem) 400,000 BTU (407a low Nox), Easy Touch 8 upgrade, Screenlogic 2 with wireless, IS-4 Spa Side Remote, Stenner 45MPHP10 w/15 gal tank, Intellibrite 5g (3), Dolphin Triton Plus robot with PRO remote, Water Tech Catfish handheld vacuum for spa, TF100 with SpeedStir.

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    Mod Squad Jimrahbe's Avatar
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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Gary300,

    Thanks.. I don't have a Spa or a heater, but I did confirm that I can turn the relay on and off by adjusting the temperature set point on the EasyTouch. It should work, but if not, it would be pretty easy to reverse.

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Calder Spa.

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Thanks Jim I will try to figure all that out. Lol

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    sorry for the bump.. but any success stories with this?
    Build started 6/17. 33x23 free-form, IG, sport pool (approx 17k gallons). Plaster. SWG. Pentair CCP520, Pentair IF 3HP VSP (011018). Dolphin robot cleaner TDB

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Yes please update us with info. I recently bought the same heater and would like to control with easy touch as well.

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    Anyone have any followup on this?

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    Mod Squad Jimrahbe's Avatar
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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    F,

    We never did hear back from the OP, but what I said in post #11 should work. I did try it and found I could turn the heater relay on/off using the heater set point, and in my case, ScreenLogic.

    You could do it all from the panel, ScreenLogic just makes it so much easier.

    It should work, but worst case you can just reconnect the heater's flow switch and you are back to your original heater set up..

    Thanks,

    Jim R.
    Finished in 2015 - 17K Gal, IG, 20' x 25' Almost Rectangular Pool, Pebble finish, three rockport water falls. Pentair Equipment: EasyTouch 4, IC40 SWG, 3 HP VS Pump, CCP520 Cartridge Filter.
    TF100 with SpeedStir and SampleSizer, ColorQ Pro 7, Dolphin Premier Robot Cleaner, added Screen Logic 2, added small 3 person Calder Spa.

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    Re: Connecting a Hayward HP50HA heat pump to a pentair easy touch

    With the HP50HA being both a pool cooler and pool heater will both of the functions work with this wiring method?

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