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-   -   Replacing a Carrier thermostat with a Honeywell thermostat (http://www.diychatroom.com/f17/replacing-carrier-thermostat-honeywell-thermostat-149947/)

Fred Lambrerth 07-11-2012 03:30 PM

Replacing a Carrier thermostat with a Honeywell thermostat
 
I'm replacing a carrier thermostat with a honeywell thermostat. Furnace is a Carrier 90+ heat pump with gas backup. Carrier has brown and black wires going to S1 and S2, but I don't see these in the Honeywell.

beenthere 07-11-2012 03:51 PM

May not have the right Honeywell thermostat. Post model number of Honeywell thermostat.

HvacWiz 07-11-2012 05:02 PM

s1 and s2 are for your outdoor temp sensor.


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