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Posted by dilbertcube on December 27, 2008, 1:33 pm
I have a Honeywell T-841A 1316 2-stage, non-programmable t-stat that
went bad. I bought a Carrier branded T-841A 1547 t-stat thinking that
it was the same thing I had but only with the Carrier name on it. That
was not the case. My first T-stat has 9 terminals and 1 hole : X, L,
W2, R, G,O, Y1, W1, E, B = blue, not used, white, red, green, black,
yellow with metal jumper to W1, white wire from W2 terminal to E. B is
not used.
The new "Carrier" labeled unit has 7 terminals and 3 holes without
terminals: C, W2, R, E, G, O, Y. If someone has a crossover diagram,
if a crossover is possible that would be great. If not, I will get
another universal. Maybe this is what I get for choosing the $10 one
that says Carrier rather than the Honeywell one for $39.
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Posted by Noon-Air on December 27, 2008, 5:26 pm
>I have a Honeywell T-841A 1316 2-stage, non-programmable t-stat that
> went bad. I bought a Carrier branded T-841A 1547 t-stat thinking that
> it was the same thing I had but only with the Carrier name on it. That
> was not the case. My first T-stat has 9 terminals and 1 hole : X, L,
> W2, R, G,O, Y1, W1, E, B = blue, not used, white, red, green, black,
> yellow with metal jumper to W1, white wire from W2 terminal to E. B is
> not used.
> The new "Carrier" labeled unit has 7 terminals and 3 holes without
> terminals: C, W2, R, E, G, O, Y. If someone has a crossover diagram,
> if a crossover is possible that would be great. If not, I will get
> another universal. Maybe this is what I get for choosing the $10 one
> that says Carrier rather than the Honeywell one for $39.
Maybe if you called a local tech?? nawww.... that will never happen, you
would have to pay for the service call and then the correct stat for the
system being installed with a warranty.
You never told us why your changing the stat in the first place... was the
system not working??
BTW... you do know that electrical parts are not returnable.....
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> went bad. I bought a Carrier branded T-841A 1547 t-stat thinking that
> it was the same thing I had but only with the Carrier name on it. That
> was not the case. My first T-stat has 9 terminals and 1 hole : X, L,
> W2, R, G,O, Y1, W1, E, B = blue, not used, white, red, green, black,
> yellow with metal jumper to W1, white wire from W2 terminal to E. B is
> not used.
> The new "Carrier" labeled unit has 7 terminals and 3 holes without
> terminals: C, W2, R, E, G, O, Y. If someone has a crossover diagram,
> if a crossover is possible that would be great. If not, I will get
> another universal. Maybe this is what I get for choosing the $10 one
> that says Carrier rather than the Honeywell one for $39.