Robertshaw Smart Sense Series Installation Manual page 29

FO = 2: Default in Start Stop Mode. Available only if in Programmable Mode
(Sw6 = ON). The Fan will Run continuously from Program # 1 (or
Start) Program to Program #4 (or Stop) Program. It will then run in
AUTO mode overnight to maintain the night time setpoints.
FO = 3: Available only if in Programmable Mode (Sw6 = ON). This mode is
the combination of option 1 and option 2 given above.
FP = 1 FAN PuRge TiMe PeRiOd (FAN RuN ON)
If fan mode is Auto Fan, the indoor fan will run for FP = XX minutes after
heating or cooling has stopped to extract any stored energy in the coils etc
(Necessary for electric element heating).
Adjustable between 0 to 5 minutes in 1-minute intervals.
FN = A FuNCTiON - AvAiLAbLe equiPMeNT MOdeS
FN = A: Select if controlling a Heating and Cooling system, and require Auto
Changeover mode.
FN = C: Select if controlling a Cooling only system (disables heating menus).
FN = H: Select if controlling a Heating only system (disables cooling menus).
FN = - (dash): This mode will set the thermostat to Heat Only, Cool Only or
OFF. (Emergency Heat will also be selectable if installed).
FN = DA: Do not use.
FN = DC: Do not use.
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