Table Of Contents - Honeywell CHRONOTHERM T8621A User Manual

Specifications ...................................................................................................................................................................... 2
Ordering Information .......................................................................................................................................................... 2
Selection/Application .......................................................................................................................................................... 5
Installation ........................................................................................................................................................................... 7
Compatibility .................................................................................................................................................................. 7
Location .......................................................................................................................................................................... 7
Mounting Subbase .......................................................................................................................................................... 8
Mounting Remote Temperature Sensor ......................................................................................................................... 8
Wiring ............................................................................................................................................................................. 9
Adjusting Cycle Rate ................................................................................................................................................... 15
Time/Temperature Conversion .................................................................................................................................... 15
Fan Operation Option Switch ....................................................................................................................................... 16
Installing Batteries ........................................................................................................................................................ 16
Power Outages .............................................................................................................................................................. 16
Mounting the Thermostat ............................................................................................................................................. 16
Setting Day and Time ................................................................................................................................................... 16
Checkout ............................................................................................................................................................................ 17
Heating .......................................................................................................................................................................... 17
Cooling ......................................................................................................................................................................... 17
Fan ................................................................................................................................................................................ 17
Installer Self-Test ......................................................................................................................................................... 18
Programming the Thermostat ........................................................................................................................................... 19
Enter the Day and Time ............................................................................................................................................... 19
Set the Program Times and Temperatures for One Day .............................................................................................. 20
Copy the Program to the Desired Days ........................................................................................................................ 22
Set the Schedules and Temperatures For the Remaining Days ................................................................................... 23
Set the System and Fan Switches on the Subbase' ...................................................................................................... 24
Operating the Thermostat .................................................................................................................................................. 25
Temporarily Changing the Program ............................................................................................................................ 25
Reprogramming the Thermostat .................................................................................................................................. 25
Holding a Temperature for Extended Absence ............................................................................................................ 26
Canceling Program Settings ......................................................................................................................................... 26
Checking the Program Times and Temperatures ......................................................................................................... 27
Checking the Current Temperature Setting ................................................................................................................. 27
Operation ........................................................................................................................................................................... 28
ADAPTIVE INTELLIGENT RECOVERY™ Operation ........................................................................................... 28
What to Expect During Recovery from Energy Savings in Heating ........................................................................... 28
Thermal Performance with T8621 ............................................................................................................................... 28
Minimum-Off Timing .................................................................................................................................................. 28
Troubleshooting ................................................................................................................................................................ 29
Glossary ............................................................................................................................................................................. 30
This equipment is a Class B digital apparatus which complies with Canadian Radio Interference Regulations, CRC c.1374.

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