Owner's Manual

PROGRAMMABLE DIGITAL THERMOSTAT

53DFS250-SL

DISPLAY
QUICK START Set the clock and go
BASIC OPERATION
PROGRAMMING Occupied and
Unoccupied Periods
ADVANCED SETUP
ABOUT ADVANCED FEATURES
AND OPERATION
WARRANTY
2
2
3
3
4
5
7
7-Day Programmable
3 Occupied Modes, 1 Unoccupied Mode
Auto Changeover
Large, Easy To Read Display
Thermoglow TM Backlight
Remote Sensor Ready
Dry Contact Equipped
Energy Saving Smart Fan
Fan Purge, IAQ Feature
Meets California Title 24
IMPORTANT: Follow Installation Instructions
before proceeding,
CAUTION: SETTHERMOSTAT TO MODE "OFF"
PRIOR TO CHANGING SETTINGSINSETUPOR
RESTORING FACTORY DEFAULTS,
q
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Backlit LCD Display
Warmer or + Button
Cooler or - Button
Override Button
Heat or Cool Indicator
Red= Heat, Green = Cool
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MODE FAN HOLIDAY PROGRAM SETCLOCK
Manufacturer reserves the right to discontinue, or change at any time, specifications ordesigns without notice and without incurring obligations.
Catalog No, 535-329 Printed in U.S,A. Form OM53-4 Pg1 11-04 Replaces: New