Carrier - P274-0150

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Contents

OWNER S MANUAL Residential Thermostat Part Number P274 0150 IMPORTANT Read entire instructions before pro gramming the thermostat GENERAL Totaline thermostats are wall mounted low voltage ther mostats which maintain room temperature by controlling the operation of an HVAC heating ventilation and air condition ing system using separate heating and cooling set points and auto changeover capability Batteries are not required During power interruption the internal memory stores set points indefinitely OPERATION Thermostat Display The thermostat display is locat ed in the top center of the thermostat See Fig 1 The following information can be displayed on the screen mode OFF COOL AUTO or HEAT fan setting ON or ...