Owner's Manual
Page 2
DISPLAYS ROOM OR SET TEMPERATURE SHOWS THAT THE CURRENT TEMPERATURE SETTING IS DISPLAYED. DISPLAYS AND ADJUSTS TEMPERATURE SETTING/TURNS BACKLIGHT ON M19470 Fig. 1. T8775 Thermostat (features and operation). 69-1679EF-1 2 (T8775C ONLY) SELECTS COOL/OFF/HEAT (T8775C ONLY) SELECTS ON/AUTO ROOM SHOWS THAT THE SET CURRENT ROOM TEMPERATURE IS DISPLAYED.
DISPLAYS ROOM OR SET TEMPERATURE SHOWS THAT THE CURRENT TEMPERATURE SETTING IS DISPLAYED. DISPLAYS AND ADJUSTS TEMPERATURE SETTING/TURNS BACKLIGHT ON M19470 Fig. 1. T8775 Thermostat (features and operation). 69-1679EF-1 2 (T8775C ONLY) SELECTS COOL/OFF/HEAT (T8775C ONLY) SELECTS ON/AUTO ROOM SHOWS THAT THE SET CURRENT ROOM TEMPERATURE IS DISPLAYED.
Owner's Manual
Page 4
...to the temperature setting is not made within five seconds, the mode will switch to the room temperature display. ❑ A indicator points to Set when the temperature setting is displayed. Backlit Display ❑ The backlight can be turned on by turning the dial, or by pushing the backlight button... as shown in cooling (T8775C only). ❑ Turn the dial one click to display the current temperature setting. Display Temperature Setting NOTE: Your temperature setting can be set anywhere from 40°F to 90°F (4°C to 32°C)...
...to the temperature setting is not made within five seconds, the mode will switch to the room temperature display. ❑ A indicator points to Set when the temperature setting is displayed. Backlit Display ❑ The backlight can be turned on by turning the dial, or by pushing the backlight button... as shown in cooling (T8775C only). ❑ Turn the dial one click to display the current temperature setting. Display Temperature Setting NOTE: Your temperature setting can be set anywhere from 40°F to 90°F (4°C to 32°C)...
Owner's Manual
Page 6
... If a call Honeywell Customer Care at the register. If you have questions concerning this delay. ❑ Check the system fuse or circuit breaker and replace or reset if necessary. ❑ Check for five minutes, or if a power interruption occurs while the compressor is present in the display (T8775C only). ...10065; In heating, make sure the temperature setting is above the room temperature and the flame is present in the display. ❑ In cooling, make sure the temperature setting is below the room temperature and a solid snowflake is running, the thermostat will...
... If a call Honeywell Customer Care at the register. If you have questions concerning this delay. ❑ Check the system fuse or circuit breaker and replace or reset if necessary. ❑ Check for five minutes, or if a power interruption occurs while the compressor is present in the display (T8775C only). ...10065; In heating, make sure the temperature setting is above the room temperature and the flame is present in the display. ❑ In cooling, make sure the temperature setting is below the room temperature and a solid snowflake is running, the thermostat will...
Installation Instructions
Page 3
.... Fuel switch. The E setting allows the fan to wallplate. See Fig. 8. See Table 2. Fahrenheit/Celsius Display Fahrenheit (factory setting) Off Celsius On DIP Switch 3 Mounting Thermostat to set the heat cycle rate. M19498 Fig. 9. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS CUSTOMIZE THERMOSTAT Setting Fuel Switch (T8775C only) The fuel switch is...
.... Fuel switch. The E setting allows the fan to wallplate. See Fig. 8. See Table 2. Fahrenheit/Celsius Display Fahrenheit (factory setting) Off Celsius On DIP Switch 3 Mounting Thermostat to set the heat cycle rate. M19498 Fig. 9. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS CUSTOMIZE THERMOSTAT Setting Fuel Switch (T8775C only) The fuel switch is...
Installation Instructions
Page 4
.... The snowflake will flash during this delay. 1. Automation and Control Solutions Honeywell International Inc. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS (T8775C ONLY) SELECTS COOL/OFF/HEAT (T8775C ONLY) SELECTS ON/AUTO ROOM SHOWS THAT THE SET CURRENT ROOM TEMPERATURE IS DISPLAYED. NOTE: If a call for improved air circulation. Operating at too low...
.... The snowflake will flash during this delay. 1. Automation and Control Solutions Honeywell International Inc. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS (T8775C ONLY) SELECTS COOL/OFF/HEAT (T8775C ONLY) SELECTS ON/AUTO ROOM SHOWS THAT THE SET CURRENT ROOM TEMPERATURE IS DISPLAYED. NOTE: If a call for improved air circulation. Operating at too low...