BUTTON OPERATION
System Button
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The SYS (system) button is used to control the operating mode of the T2500. Press the
SYS button once to light up the menu options, as described below. Continue pressing
SYS button to scroll through menu options. As you scroll, the menu option being accessed
(operating mode) will fl ash. To select that option, allow the display to automatically time
out. The T2500 saves the "fl ashing" option and switches the thermostat to the selected
operating mode. The SYS modes are:
HEAT – Indicates the system is in heating mode.
COOL – Indicates the system is in cooling mode.
AUTO – Indicates the system will automatically changeover between heating
and cooling modes as the room temperature varies.
OFF – Disables thermostat outputs.
SETBACK –Indicates the heating or cooling system is operating in manual setback
mode. (To appear, SETBACK must be selected in "Advanced confi guration." See the
"PECO WavePRO Wireless System Installation Guide").
NOTE: The SYS button is also used to scroll through the Service Menu in advanced
i
confi guration.(see "Advanced confi guration" in the "PECO WavePRO Wireless
System Installation Guide").
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