VisionPro IAQ/TrueSTEAM wiring help


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Old 08-09-12, 10:55 AM
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VisionPro IAQ/TrueSTEAM wiring help

Hi,
I just bought a home, and it has a very simple, useless t-stat. I bought the VisionPro IAQ with the EIM and a TrueSTEAM Hum. This may be a very stupid question, but here it goes:

-I only have Red, Green, Yellow, White, and Blue coming to the back of the current t-stat.
-I am not able to run 3 new wires up the wall to connect to the IAQ.

If I clip these wires down next the furnace, can I use 3 of them to power the IAQ even though they are colored? Will it be the right amount of power? I figured then I can run the 5 wires from the other end of the furnace to the EIM and it would work. Thoughts? Thanks so much for your help!

Ryan
 
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Old 08-09-12, 08:05 PM
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Disconnect the thermostat cable from the furnace.

Use the existing cable to connect the thermostat to the interface module. (tape off the unused wire)

Purchase a 6+ conductor cable (5 minimum, 6th for humidifier?) to connect the module to the furnace; match the letters on the furnace terminal strip to those on the module. (ie - use the red conductor to make the connection between R and R)

Be sure to connect the C terminal, otherwise it won't work.
 
 

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