Original message
| Glnnhj
 |  "wiring new programmable thermostat"
, posted Fri 22 Feb 15:43  
I have a Trane Weathertron BAYSTAT240/3AAT80B1A1 thermostat that I want to replace with a HONEYWELL TH8320U1008. I am not sure of the heat pump model. I was told by Honeywell that this thermostat is a contractor installed thermostat. I think I know all of the connections except maybe one or two just want to be sure. I hope someone on the forum have all the connections.
a. Do I need a purple?
b. Where does the tan go on new one?
c. How do I check if I have 2 or 3 heat
and 1 or 2 cooling?
WEATHERTRON BATSTAT240
(R) RED WIRE
(T) TAN or BROWN (hard to tell)
(O) ORANGE WIRE
(G) GREEN WIRE
(Y) YELLOW WIRE
(X2)BLACK WIRE
(B) BLUE WIRE
(U) NO WIRE
(W) WHITE WIRE
(F) NO WIRE
THERE IS A JUMPER FROM W TO U
HONEYWELL TH8320
(Y2) X (Y2)
(L) X
(E) X
(AUX)X (W2)
(S1) X (S1)
(S2) X (S2)
(RC) X (RC)
(R) X (R)
(W) X (O/B)
(Y) X (Y)
(G) X (G)
(C) X (C)
THERE IS A JUMPER FROM RC TO R
Thanks in advance.
Glnnhj
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