White Rodgers UP310 - Mounting and Wiring the New Thermostat

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3. REMOVING OLD THERMOSTAT
3.1 Turn off power
Topreventelectricalshockand/orequipmentdamage,disconnectelectricalpowertothesystematthemainfuseorcircuitbreakerbox,orby
flippingaswitchattheairhandler.Donotrestorepoweruntilinstallationiscomplete.
WARNING
!
Toensurethepowertoyourheatingandcoolingsystemhasbeenturnedoff,trytoturnonheatingorcoolingby
changing the temperature on your old thermostat.
or