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View Full Version : Thermostat Changeout: from Aprilaire 8346 to a LUX TX9000TS (Wiring trouble)


SThumm
Nov 5, 2007, 06:52 PM
I would like to change from an Aprilaire 8346 Digital t-stat to a LUX TX9000TS but am having a bit a trouble determining whether they're compatible.

The Aprilaire wiring scheme is as follows:

C W2 R G Y O/B where in this application the O/B is an O.

What wires (if possible) would go to what contacts on the LUX?

The LUX wiring scheme is as follows:

W Y G B O RC RH C (the RC and RH are jumpered out of the box)

My system is to the best of my knowledge NOT multistage, I think in this application the W2 is for an E-Heat function.

NOw to my Problem...

Im not sure where to go from here knowing what little I know about my system... is it just a simple swap out from letter to letter. If so everything swaps nicely except the R to RC/RH, which contact should I connect the wire that was previously connected to an R contact.

Any help that you folks could give would be appreciated. Thanks.

Shawn

hvac1000
Nov 6, 2007, 05:31 PM
Just jumper RH and RC together