Need Wiring help please - VisionPro IAQ - http://www.hvacmechanic.com/ Forums
Original message
| Rubu
 |  "Need Wiring help please - VisionPro IAQ"
, posted Wed 16 Jul 22:31  
We've moved our Therma-Stor Ultra-Aire 135H Dehumidifier with Fresh Air Damper from our old house, where it was controlled by the stock Therma-Stor controller, to a new house, where it will be controlled by a Honeywell VisionPro IAQ. The old controller used to accommodate the fresh air damper attached to the unit, and the IAQ Interface module has a hookup for it, but it is separate from the Dehum control. The Interface Module Installation manual ( http://customer.honeywell.com/Honeywell/ProductInfo.aspx/TH9421C1004#LiteratureDownload ) has a schematic for wiring a Honeywell DH90 with a fresh air damper (page 4) using a jumper between wire 2 of the dehum controls and wire 1 of the vent control. Should the Therma-stor unit wire the same as the DH90 (not the same wire colors I know but using the equivalent wires)?
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| Rubu
| "Re(1):Need Wiring help please - VisionPro IAQ" , posted Thu 17 Jul 12:25
Scratch that. Just got off the phone with Therma-Stor support and they said the DH90 is actually a Honeywell branded version of a Therma-Stor unit and hence, wired exactly the same.
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