Carrier Owners Manual - Enlarge page 1 of 8
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From inside (document excerpt):
Owner’s Manual PROGRAMMABLE DIGITAL THERMOSTAT 53DFST2-NP IMPORTANT: Follow Installation Instructions before proceeding. We : Am COOL 1 AUTO HEAT ! CAUTION: SET THERMOSTAT TO MODE “OFF ” PRIOR TO CHANGING SETTINGS IN SETUP OR RESTORING FACTORY DEFAULTS. Display SuMoTuWeThFrSa Setup unoccupied 123 : Am Start Pm Stop 1 Liquid Crystal Display with ThermoglowTM Backlight 2 Up/Down Buttons 3 Mode Button 1 3 Locked Override COOL 9 5 1 AUTO HEAT ONOFF 1 4 4 Override Button Program On 5 Heat or Cool Indicator Heat = Red, Cool = Green 8 Fan · · Dual Set Point 5+1+1 Day Programmable 3 Occupied Periods and 1 Unoccupied Period Very Easy to Program Large, Easy to Read Display ThermoglowTM Backlight No Batteries Required Auto Changeover Energy Saving Smart Fan Locking Keypad Override Button 3 Fan Speeds Meets California Title 24 Use with Carrier Duct-free HEAT-COOL or COOLING ONLY systems 1 Mode Indicators Selects the operation mode of the equipment.
HEAT — indicates the heat mode. COOL — indicates the air conditioning mode. AUTO — indicates the system will automatically changeover between the heat and cool modes as the temperature varies. OFF — indicates the entire system is turned off. PROGRAM ON — indicates the stored program is enabled to run. See page 2. 2 Clock with Day of the Week Indicates the current time and day. This clock is also used to program the timer periods. See page 2. 3 Room Temperature Display Indicates the current room temperature. Table of Contents DISPLAY QUICK START Set the clock and go BASIC OPERATION PROGRAMMING Occupied and Unoccupied Periods ADVANCED SETUP ABOUT ADVANCED FEATURES AND OPERATION WARRANTY Desired Set Temperature Indicates desired room temperature(s). See page 2. 5 Override Indication Indicates the current program is currently being overridden for up to 4 hours. See pages 2 and 4. 6 Occupied or Unoccupied Indication Indicates the program number: Occupied 1, 2, 3, or Unoccupied. See page 3. Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Catalog No. 535-330 Printed in U.S.A. Form OM53-5 Pg 1 11-04 Replaces: New Book 1 4 Tab 3e 2f Display 7 Setup Indication Indicates the thermostat is in the programming mode. See page 4. 8 Fan Operation Indication Fan On Icon — indicates constant continuous fan operation in one of three manual speeds. When Fan On Icon is not lit — indicates the fan will only operate when necessary to heat or to cool. See page 4. 9 Locked Indication Locked appears after the right combination of buttons are pressed, rendering the buttons in operative.