P 6 2 1 U
SMART TEMP® UNIVERSAL
(FOR BOTH CONVENTIONAL AND HEAT PUMP SYSTEMS)
INSTALLATION AND OPERATING INSTRUCTIONS
52161
IMPORTANT!
•Please read all of these instructions carefully before beginning installation.
•Label every wire terminal designation on your existing thermostat wiring before removing your old thermostat.
•Ignore the color of the wires since they may not comply with any standard. Please connect wires using the terminal letter designations.
Thank you for your confidence in our product. To obtain the best results from your investment, please read and follow the installation procedures carefully, and one step at a time. This will save you time and minimize the chance of damaging either the thermostat or possibly your heating and cooling system. These instructions may contain information beyond that which may be required for your particular installation.
CAUTIONS AND WARNINGS . . . . . . . . . . 2 SYSTEM COMPATIBILITY . . . . . . . . . . . . 3 FEATURES . . . . . . . . . . . . . . . . . . . . . . . 4 TOOLS YOU MAY NEED . . . . . . . . . . . . . . 4 MOUNTING LOCATION . . . . . . . . . . . . . . 5 REMOVE OLD THERMOSTAT . . . . . . . . . . 5 INSTALL THERMOSTAT BASE . . . . . . . . . 6 WIRING INFORMATION . . . . . . . . . . . . . . 6 WIRING DIAGRAMS . . . . . . . . . . . . . . . . 8 HARDWARE SETUP OPTIONS . . . . . . . . 17
COMPLETE THE INSTALL . . . . . . . . . . . 19 FRONT PANEL ITEMS . . . . . . . . . . . . . . 19 OPERATING INSTRUCTIONS . . . . . . . . . 21 TEMPERATURE PROGRAMS . . . . . . . . . 23 ADVANCED FEATURES . . . . . . . . . . . . . 24 BATTERY REPLACEMENT . . . . . . . . . . . 31 TECHNICAL ASSISTANCE . . . . . . . . . . . 31 LIMITED WARRANTY . . . . . . . . . . . . . . 32 MERCURY NOTICE . . . . . . . . . . . . . . . . 32
WARNING: Use Energizer® or DURACELL® Alkaline Batteries Only.
Energizer® is a registered trademark of Eveready Battery Company, Inc. DURACELL® is a registered trademark of The Procter & Gamble Company
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