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2 Stage T-Stat w/ Fan control???
carol_3
Member Posts: 397
Check out the replacement for the T7300 which is the TB8221. You can look at the specs at http://customer.honeywell.com. Scroll down to the very bottom right corner and put TB8220 in the little box and click onthe arrow beside it. Then click on the pdf that comes up. You can save some money by using the residential version of the same thing TH8320, but I'm not certain if you can use economizer as first stage.
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Comments
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Looking for suggestions.
I have an application, Cooling only, but I need complete control on fan timing whether it be on during occupied or through out various times of the day. Lo voltage of course and 2 stage control is a must. Actually I really need 3 stage cooling since Economizer is being utilized. Any thoughts welcome. HW T-7300 if they are still made would work, but I want at least 4 temp changed through out the day. 15 ton Trane Equipment with A/C logic control currently installed.
Thanks,
Mike T.0 -
Be Careful
http://www.icca.invensys.com/robertshaw/index.htm
9700 series robertshaw its in english not numbers to set things up. be careful... not all trane units can use a "normal" tstat without adding another board in the unit.0 -
Thanks Marty
As stated the conversion board is installed....:)
Mike T.0
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