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❑ Press and hold down , , and , simultaneously until the screen shows.
You now can change any of these settings.
System Type (Feature Number 4)
System type options are:
1 = Gravity or steam system.
3 = Hot water, high efficiency furnace (90% or better), or single stage heat pump.
6 = Gas or oil forced air furnace (preset).
9 = Electric furnace.
To change your system type:
❑ Press until display shows your furnace or boiler type.
❑ Press Time to move to next feature or to return to main display.
Smart Response™ Technology (Feature Number 13)
Smart Response technology options are:
0 = Smart Response technology on (preset).
1 = Smart Response technology off.
To turn Smart Response technology on or off:
❑ Press once.
❑ Press Time to move to next feature or to return to main display.
NOTE: See Smart Response technology (page 21) for information about this feature.
Temperature Format (Feature Number 14)
Temperature format options are:
0 = °F (preset).
1 = °C.
To change temperature format:
❑ Press once.
❑ Press Time to move to next feature or to return to main display.
M1875
0
FEATURE
NUMBER
OPTION
Run
Program
M1875
1
Run
Program
M1875
2
Run
Program