When thermostat drops 1 degree ac unit cuts on, causing high elec bills. the unit has some type of setup when both degree buttons are pressed but i dont know what they mean any help would b appreciated
You need to change the differential pressure to 3 degrees.that means the unit will not kick on unit it is 3 degrees warmer then the setpoint
SOURCE: How to program Honeywell thermostat for remote sensor
Remote Sensor (Setup Function 0340): If an optional outdoor sensor is installed, the thermostat can display the outside temperature. If an optional remote indoor sensor is installed, the thermostat will display the temperature at the sensor location (the internal sensor in the thermostat is not used).
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0 No remote sensor
1 Outdoor sensor (display only)
2 Outdoor control sensor (select heat pumps
SOURCE: The wall mounted thermostat in a condominium unit
i think you may have a fan/control board problem, if the thermostat turns on the fan, and you dont touch it, then the fan stops in a short time...
plus the fan is connected to a control board, like i said those thermostats hardly go bad...
SOURCE: I have a honeywel t8002c
You need to connect to the Y terminal and the C terminal for A/C unit. The best was is to connect thermostat to furnace and then connect the two wires to A/C off furnace circuit board at Y and C terminal.
SOURCE: I bought a Honeywell RTH8500 thermostat and I can't get the temperature to go down past 75 degrees
You will need the installation book that came with the thermostat. There is a way to enter into the programming of the thermostat from the home screen. From there, you will need to find what code is the temperature settings in the manual, they are usually all 3 digit numbers. Once you find the code for the setting your looking for which is the lowest temp for the thermostat, it will have a 75 to the right of it which you can set a lower number. Sorry I do not have the manual right now to just tell you exactly how, but hope this still helps!
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