Forum Discussion
Old-Biscuit
Jun 13, 2019Explorer III
Clear up some confusion......
POST BRAND/MODEL of your Furnace
Most are ALL DC
Some are AC
Fan...
Auto/Manual....suggest you are doing that at the Wall Thermostat for A/C and Furnace (Cool/Heat)
Fan settings on thermostat control the Fan for A/C Unit only.
In AUTO the Fan runs when A/C Unit Runs
In Manual the A/C fan will run when furnace is runs....
All furnace controls/functions are via furnace circuit board when Thermostat Contacts Close (in Heat Mode)
SO Brand/Model AND which 15A breaker is tripping????????????
POST BRAND/MODEL of your Furnace
Most are ALL DC
Some are AC
Fan...
Auto/Manual....suggest you are doing that at the Wall Thermostat for A/C and Furnace (Cool/Heat)
Fan settings on thermostat control the Fan for A/C Unit only.
In AUTO the Fan runs when A/C Unit Runs
In Manual the A/C fan will run when furnace is runs....
All furnace controls/functions are via furnace circuit board when Thermostat Contacts Close (in Heat Mode)
SO Brand/Model AND which 15A breaker is tripping????????????
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