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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: SETTHERMOSTATTO MODE "OFF"
PRIOR TO CHANGING SETTINGSIN SETUPOR
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
O
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MODE FAN HOLIDAY PROGRAM SET CLOCK
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No, 535-329 Printed in U.S,A. Form OM53-4 Pg 1 11-04 Replaces: New