Page 2 - FEATURES; Simple and easy to use; and; Large digital display; . You can easily read the current room temperature at a glance.; No need for batteries; permanently in memory.
2 69-1629–1 FEATURES Comfort is achieved through matching the correct equipment and controls. This thermostat isdesigned to provide the maximum comfort for your needs. Some of the basic offerings are: • Simple and easy to use . The ▲ and ▼ keys make it easy for you to change your temperature setting...
Page 3 - SETTINGS; Setting SYSTEM and FAN Keys; First set the SYSTEM key:; Both heating and cooling are off.
3 69-1629–1 SETTINGS Setting SYSTEM and FAN Keys Change System and Fan settings with Systemand Fan keys inside thermostat door. First set the SYSTEM key: Cool: Normal setting for months when yourhome needs air conditioning. Digitaldisplay shows snowflake whencooling is on. Off: Both heating and cool...
Page 4 - Then set the FAN key:; Emergency Heat
4 69-1629–1 Then set the FAN key: Auto: Normal setting for most homes. Equipment controls the fan. On: The fan runs continuously. Use forimproved air circulation and air quality. Emergency Heat (T8511 Heat Pump Models Only) The Emergency Heat feature allows you toturn on the backup heat section of t...
Page 5 - Changing Temperature Setting; To lower the temperature setting, press; To raise the temperature setting, press; the; CAUTION
5 69-1629–1 M20274 DISPLAYTEMPERATURESETTINGS(INFORMATIONKEY) i DECREASETEMPERATURE SETTING INCREASETEMPERATURE SETTING Changing Temperature Setting 1. To lower the temperature setting, press the ▼ key. When in the heating mode, lowering the temperature at night orduring the day can lower your energ...
Page 6 - TROUBLESHOOTING GUIDE; Symptom; Adjust the temperature by pressing either the
6 69-1629–1 TROUBLESHOOTING GUIDE Symptom Action Heating or Cooling doesnot come on. Check that the System key on the thermostat is set to Heat or Cool.Check if the circuit breaker is tripped–reset the circuit breaker.Check if the fuse is blown–replace the fuse.Check for air movement at the register...
Page 7 - LIMITED WARRANTY
7 69-1629–1 LIMITED WARRANTY Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for aperiod of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the product is de...
Page 8 - CUSTOMER ASSISTANCE
69-1629–1 G.H. Rev. 12-02 Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. Automation and Control SolutionsHoneywell International Inc.1985 Douglas Drive NorthGolden Valley, MN 55422 Honeywell Limited-Honeywell Limitée35 Dynamic DriveScarborough, OntarioM1V 4Z9...
Page 2 - FEATURES; Simple and easy to use; and; Large digital display; . You can easily read the current room temperature at a glance.; No need for batteries; permanently in memory.
2 69-1629–1 FEATURES Comfort is achieved through matching the correct equipment and controls. This thermostat isdesigned to provide the maximum comfort for your needs. Some of the basic offerings are: • Simple and easy to use . The ▲ and ▼ keys make it easy for you to change your temperature setting...
Page 3 - SETTINGS; Setting SYSTEM and FAN Keys; First set the SYSTEM key:; Both heating and cooling are off.
3 69-1629–1 SETTINGS Setting SYSTEM and FAN Keys Change System and Fan settings with Systemand Fan keys inside thermostat door. First set the SYSTEM key: Cool: Normal setting for months when yourhome needs air conditioning. Digitaldisplay shows snowflake whencooling is on. Off: Both heating and cool...
Page 4 - Then set the FAN key:; Emergency Heat
4 69-1629–1 Then set the FAN key: Auto: Normal setting for most homes. Equipment controls the fan. On: The fan runs continuously. Use forimproved air circulation and air quality. Emergency Heat (T8511 Heat Pump Models Only) The Emergency Heat feature allows you toturn on the backup heat section of t...
Page 5 - Changing Temperature Setting; To lower the temperature setting, press; To raise the temperature setting, press; the; CAUTION
5 69-1629–1 M20274 DISPLAYTEMPERATURESETTINGS(INFORMATIONKEY) i DECREASETEMPERATURE SETTING INCREASETEMPERATURE SETTING Changing Temperature Setting 1. To lower the temperature setting, press the ▼ key. When in the heating mode, lowering the temperature at night orduring the day can lower your energ...
Page 6 - TROUBLESHOOTING GUIDE; Symptom; Adjust the temperature by pressing either the
6 69-1629–1 TROUBLESHOOTING GUIDE Symptom Action Heating or Cooling doesnot come on. Check that the System key on the thermostat is set to Heat or Cool.Check if the circuit breaker is tripped–reset the circuit breaker.Check if the fuse is blown–replace the fuse.Check for air movement at the register...
Page 7 - LIMITED WARRANTY
7 69-1629–1 LIMITED WARRANTY Honeywell warrants this product, excluding battery, to be free from defects in the workmanship or materials, under normal use and service, for aperiod of one (1) year from the date of purchase by the consumer. If, at any time during the warranty period, the product is de...
Page 8 - CUSTOMER ASSISTANCE
69-1629–1 G.H. Rev. 12-02 Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers. Automation and Control SolutionsHoneywell International Inc.1985 Douglas Drive NorthGolden Valley, MN 55422 Honeywell Limited-Honeywell Limitée35 Dynamic DriveScarborough, OntarioM1V 4Z9...