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View Full Version : Replacing Weathertron thermostat with Honeywell RTH8500


jyates92
Oct 8, 2007, 06:38 PM
Can someone confirm that I am wiring my new Honeywell RTH8500 thermostat the right way. I am replacing a Weathertron Baystat240.

RTH Connection Label Wire Color
RC Jumper
R (R)Red
O/B (O)Orange
Y (Y)Yellow
G (G)Green
C (B)Blue
L No Connection
E (X2) Black
Aux (W) White
(T) Tan - No connection

Any help would be greatly appreciated.

hvac1000
Oct 9, 2007, 04:40 AM
This is the install book for your new stat. just install wire color for wire color unless you believe the original was wired incorrectly. If that is the case you can go to the sticky notes in the beginning of this board and check out where the wires go.

http://customer.honeywell.com/techlit/pdf/69-0000s/69-1902EF.pdf