Replacing a thermostat with a different brand

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Old 11-06-10, 03:03 PM
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Replacing a thermostat with a different brand

I want to replace an old Lennox 36G6901 thermostat with a Trane Taystat570 Unfortunately the terminals are not coded the same. Could anybody help please and tell me which wire goes to which terminal on the Trane?

Lennox Layout: ----- Trane
Y Blu wire ----- G wire color?
R Black wire ----- B wire color?
F Green wire ----- R wire color?
M Red wire ----- Y wire color?
L Black wire ----- F wire color?
A Pink wire ----- W wire color?
Y Orange wire ---- X2 wire color
X Yellow wire ---- O wire color?

AGAIN, I WILL APPRECIATE ANY HELP ANYONE IS WILLING TO GIVE ME. THANKS
 
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Old 11-06-10, 03:36 PM
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Lennox Layout: ----- Trane
Y Blu wire ----- W
R Black wire ----- O
F Green wire ----- G
M Red wire ----- Y
L Black wire ----- F
A Pink wire ----- tape off
Y Orange wire ---- Thought old Y was blue?
X Yellow wire ---- B


 
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Old 11-07-10, 03:12 PM
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Dear Houston204
appreciate so much your reply, but I am not able to read the diagram ou sent. Would you be able to indicate which wire color goes to which terminal letter on the Trane?
Thank you so much.
 
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Old 11-07-10, 05:49 PM
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What color wire(s) was at the old Y terminal? Orange, blue or both?
wire ----- Trane thermostat terminal
Blue wire ----- W
Black wire ----- O
Green wire ----- G
Red wire ----- Y
Black wire ----- F
Pink wire ----- tape off
Orange wire ---- Thought old Y was blue?
Yellow wire ---- B
 
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Old 11-09-10, 09:29 AM
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On the old Lennox terminal the wire color on the Y terminal is Orange
The Blu is connected to the V terminal.
Thanks
 
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Old 11-09-10, 10:01 PM
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Okay, blue is 24VAC (R)

wire ----- Trane thermostat terminal
Blue wire ----- R
Black wire ----- O
Green wire ----- G
Red wire ----- Y
Black wire ----- F
Pink wire ----- tape off
Orange wire ---- X2 & W
Yellow wire ---- B
 
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