HVAC installer installed yesterday Trave XV80 with RobertShaw 9600 thermostat.
While reading manual I came to know that the XV80 is 2 stage furnace but the 9600 is single stage thermostat.
Talked with the installer and he mentioned that with single stage thermostat the XV80 will initially run for
10 minutes at single stage and if the temperature doesnot rise up to the desired level then the second
stage will kick in so functionality is not changed in anyway.
Talked to Trane Support and they told me that the only benefit of 2 stage thermostat is that if the
temperature differential is high i.e if room temperature is 60 and I want 70 then the thermostat can signal
the Trane XV80 to directly go to second stage instead of going into first stage for 10 min and then later to
second stage. It will kind of shorten the time to heat the house to desired level of 70 if a 2 stage thermostat is used.
Once temperature reaches 70 and after that to maintain the temperature the Trane will any way run in second stage when temperature falls below 1 degree.
Is it worth it to have the installer change the thermostat to two stage and change the wiring accordingly