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General Outdoor Furnace Discussion / Re: Plumbing and wiring two heat pumps
« on: January 14, 2018, 05:42:09 PM »
Does anyone have a detailed diagram of how this is done and a parts list?
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General Outdoor Furnace Discussion / Re: Plumbing and wiring two heat pumps
« on: January 14, 2018, 05:41:01 PM »
Yes that was me. And yes I have 3/4” and 1” lines. My mistake.
Your underground water piping is 3/4" and 1/2"An elaboration there would be great, as 1/2" PEX won't carry nearly enough heat to heat a home and 3/4" is still undersized for most homes. Generally one would make a series loop through either a sidearm or plate exchanger for the DHW, then the air handler, then back to the boiler. 24/7 circulation with a pump at the boiler. With your second air handler, I usually tee off the main loop and add another pump for it and run it either 24/7 and balanced with a valve, or to be turned on when the secondary air handler gets the call from the thermostat. This would require a switching relay to convert the 24v thermostat signal to the 120v for the pump. Were you the guy with the second set of thermostats that asked this the other day on the Facebook page or is it coincidence?
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General Outdoor Furnace Discussion / Plumbing and wiring two heat pumps
« on: January 14, 2018, 09:11:07 AM »
I am currently researching and trying to put together a plan to plumb and wire my heat pumps for my future boiler. I have the lines run from the house to the boiler site. I have the wires and thermostats in place for my boiler as well as the piping (did all this when I built my home.) I have 3/4” and 1/2” lines run from the boiler site to the house.
I am looking for recommendations in plumbing my DHW And air handlers. The plan is to have a pump at the stove that circulates the hot water loop and hen do a secondary loop off of that with an additional pump for the exchangers. How would I wire and plumb this system? I know there are several options.
I am looking for recommendations in plumbing my DHW And air handlers. The plan is to have a pump at the stove that circulates the hot water loop and hen do a secondary loop off of that with an additional pump for the exchangers. How would I wire and plumb this system? I know there are several options.
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