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View Full Version : New programmable thermostat installation


dh3nzoy
Sep 21, 2009, 03:41 PM
Hi to all,
Hope anyone can lean me a hand on my installation for a new programmable thermostat.. I got old 3att86 model thermostat which I'm about to replace with lux touchscreen tx9000ts.
The wire with old 1 are labelled ( Y, G , R, O, W2, E and C) while my new has (W,Y,G,B,O,RC,RH and C). Im just confused wirth wires R, w2 (where it be connected) and specially E of which it is not present in my new thermostat... ty in advance