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View Full Version : Carrier two-speed slow to heat house


EagleRidge
Dec 9, 2010, 12:34 PM
Hi Guys,
I have a Carrier two-speed 58TUA with a carrier progarmmable thermostat. My furnace works but it takes forever to heat the house. How does the two-speed furnace know to kick into high stage? The reason I ask is because the outdoor temperature sensor for the thermostat is not hooked up. Thank you for any hints.
Pete