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2
Installation location recommendations................................................................3
Outdoor temperature sensor (optional)................................................................4
Thermostat mounting..............................................................................5
Power & reset options.............................................................................5
Wiring terminal ..................................................................................6
Wiring diagrams .................................................................................7
TABLE OF CONTENTS
INSTALLATION
SETUP & TESTING
REFERENCES
System setup instructions.........................................................................11
System test mode ...............................................................................16
Quick reference to controls & display
•Non-programmablemodels(8444,8446,8448).....................................................22
•Programmablemodels(8463,8465,8466).........................................................23
Thermostat features .............................................................................24
Troubleshooting .................................................................................25
Specifications...................................................................................27
61000652C 8400 Tstat Install.indd 2 10/13/09 11:08:56 AM