Trane Heat Pump tstat replacement with Honeywell prog - wiring question

10-03-2006, 12:05 AM	#1
sep23 Newbie   Join Date: Oct 2006 Posts: 2	Trane Heat Pump tstat replacement with Honeywell prog - wiring question I want to replace my Trane Weathertron tstat with a Honeywell RTH7400 prog one. I have a Trane heat pump with aux heat. I've been poring over these thread piece-mealing some info the follow is the result. The old wiring scheme: X2 - black O - orange G - green Y - yellow T - tan/brown R - red W - white U - n/a F - n/a B - Blue The honeywell has the following options along with my current wiring in () as see on this forum. C - (blue) G - (green) Y - (yellow) O/B - (orange) RC - jumper with R R - red AUX - white E - tan L - black Results: Power runs to the tstat and fan blows on command in manual temp mode but the heat doesn't seem to be produced. Can anyone cofirm the correct wiring above ? Thanks in advance, sep23

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10-03-2006, 10:38 PM	#2
sep23 Newbie   Join Date: Oct 2006 Posts: 2	Trane Heat Pump tstat replacement with Honeywell prog - wiring question For those interested - Please see this forum for the solutioin to this problem.

10-20-2006, 10:10 PM	#3
#CARRIERMAN Thoroughbred Mopar Man   Join Date: Oct 2006 Location: South/East Kansas Posts: 636	Trane Heat Pump tstat replacement with Honeywell prog - wiring question Hi sep23 If you have found your answer just trash this, if you havent I can tell you what you need to know. Rusty