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Author Topic: T stat help  (Read 1898 times)

Opienva

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T stat help
« on: October 20, 2014, 05:14:22 AM »
just installed hardy h2 tried to wire as it asked for with the relay to turn on pump on demand. When T stat kicked on it just hummed nothing happened. Then fan would not come on with either tstat. Now change wiring to red to red and jumped old green to new white. Still no fan at my furnace I have a switch for auto or on for the fan if I put it on on it runs if I put it on auto nothing. If I put either t stat on nothing happens.  The furnace was working after I hooked up the new stat but not after I tried to use it to run the fan. Thanks for any help with this.
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slimjim

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Re: T stat help
« Reply #1 on: October 20, 2014, 05:16:50 AM »
Can you post a wiring diagram?
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Wood boiler sales, service and installation for the Northeastern USA.

Opienva

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Re: T stat help
« Reply #2 on: October 20, 2014, 05:59:36 PM »
I got it working. I have a switch on the front of the furnace to switch from heat pump to furnace and had to have it on heat pump for the fan to work.
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