41
WhenusedinStart/StopCommercialProgrammableMode(Sw6=ON,Sw8
=OFF),theaerhoursrunmercanbetoggledONorOFFasrequiredwitha
momentarypressofabuonontheremotesensor.SeeFigure20.
Outside Air Sensor Wiring
Set TT = OA in the Advanced Installer Menu
TheSMART2000candisplaytheoutsideairtemperatureifdesired.Some
advancedcontrolfunconssuchashighandlowbalancepointsrelyonthissensor
forcorrectoperaon.Usingasinglepairofwires,connecttheTTterminalsinthe
thermostattothetwoterminalsintheoutsideairtemperaturesensor.SeeFigure
21.Iftheoutsideairsensorfails,twodasheswillbeshownontheLCDwherethe
outside air temperature would normally be displayed to alert you of the problem.
SMART-R-02
Remote Sensor
TT
SMART 2000
Switch
SMART-R-02
Remote Sensor
TT
SMART 2000
ON/OFF Switch
TT
SMART 2000
Figure 21 Figure 22 Figure 23