Thermostat controlling damper


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Old 09-22-19, 04:24 PM
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Thermostat controlling damper

I'm trying to use a thermostat to control a damper. The thermostat will not trigger the furnace at all just control the operation of the damper. The damper is a normal open and normal control with a com. All is 24vac. Im thinking i need a relay in there but have no experience with a relay or which one to get or how to wire it in properly. Any help would be appreciated. Thank you!
 
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Old 09-22-19, 04:45 PM
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Welcome to the forums.

You are using a separate dedicated thermostat just for the damper...... correct ?
You may not need a relay depending on the model of the thermostat.
You will need a 24vAC transformer.
 
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Old 09-22-19, 04:56 PM
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Yes you are correct. I have the 24vac transformer i have the damper and i have a honeywell RTH2300B programmable thermostat. Hoping to make those items work together but if its not possible im open to recommendations.
 
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Old 09-22-19, 11:35 PM
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The damper is normally open so it will need power to be closed
Do you want the damper closed until a certain heat is reached ?
 
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Old 09-23-19, 03:20 AM
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Its a power open power close damper im hoping to get it to stay open until a certain heat or cool degree is reached then close.
 
 

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