Carrier 53DFS250-SL User Manual
Owner's manual
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Owner's Manual
PROGRAMMABLE DIGITAL THERMOSTAT
53DFS250-SL
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
2
2
3
3
4
5
7
7-Day Programmable
3 Occupied Modes, 1 Unoccupied Mode
Auto Changeover
Large, Easy To Read Display
Thermoglow™ Backlight
Remote Sensor Ready
Dry Contact Equipped
Energy Saving Smart Fan
Fan Purge, lAQ Feature
Meets Caiifornia Titie 24
IMPORTANT:
Follow
Installation Instructions
before proceeding,
A
CAUTION:
SET THERMOSTAT TO MODE "OFF"
PRIOR TO CHANGING SETTINGS IN SETUP OR
RESTORING FACTORY DEFAULTS.
Backlit LCD Display
- Warmer or + Button
■
Cooler or - Button
- Overrirte Button
■
Heat or Cool indicator
Red = Heat, Green = Cool
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1
4
Catalog No. 535-329
Printed in U.S.A.
Form OM53-4
Pg 1
11-04
Replaces: New
Tab
3e 2t