Thermostat wiring assistance

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Old 11-12-16, 05:33 AM
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Thermostat wiring assistance

I bought a new thermostat, Honeywell RTH111 but need some help with wiring.

Here's what's on the furnace

white wire =w
brown = v/w2
yellow = y1
blue = y/y2
green = g
black = c
red = r

Thermostat has following terminals
b
o
w
y
g
r
rc

Any ideas? Wrong thermostat?
 
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Old 11-12-16, 06:35 AM
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Yes, you have the wrong thermostat.
You have 2 stages of heat and 2 stages of cool and your new thermostat only supports 1 heat / 1 cool.

A Honeywell TH5220D1029 would be a much better choice.
 
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