Orbit 83521, User Manual

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TABLE OF CONTENTS

Thank you for purchasing the 

Clear Comfort® Pro

 thermostat from Orbit

®

.  

We are excited to provide you a long-lasting thermostat that blends style with function.

Features

•  Easily program 7 individual days or copy one programmed day to another

•  Pre-programmed and ready to go with Energy Star

®

 settings 

•  Large backlit display is easy to read

•  Early start ensures the desired temperature is reached at the scheduled time

•  Precision control keeps the temperature within 1°F of set level

•  Override the schedule temporarily or permanently

Quick Reference

Easy 1-2-3 Operation ..................................................................... 2

Thermostat Controls .................................................................... 3

Display Screen .................................................................................4

Before You Begin............................................................................ 5

Installation

Installing Your Thermostat.......................................................... 7

Temperature Format ....................................................................17

Reset Button....................................................................................17

Advanced System Setup ............................................................18

Operation

Set Time and Day .........................................................................22

Select Mode and Fan Settings ................................................23

Programmed Schedules .............................................................24

Energy Star

®

 Programmed Schedule ....................................25

Modifying the Programmed Schedule .................................26

Using the Copy Feature.............................................................27

Overriding Schedules Temporarily........................................28

Overriding Schedules Permanently ......................................29

Turning Off Schedules  .............................................................. 30

Compressor Protection ..............................................................31

Early Start........................................................................................32

Appendices

Replacing the Batteries ..............................................................33

Troubleshooting ............................................................................34

Customer Assistance .................................................................40

Warranty ...........................................................................................41