T8775A,C THE DIGITAL ROUND™
Fahrenheit/Celsius Indication
Use DIP switch 3 to set the desired temperature indication. See Table 2.
Table 2. Temperature Indication.
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Fahrenheit/Celsius Display | DIP Switch 3 |
Fahrenheit (factory setting) | Off |
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Celsius | On |
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Mount Thermostat to Wallplate (see Fig. 14)
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| (T8775C ONLY) |
(T8775C ONLY) |
| SELECTS |
SELECTS |
| ON/AUTO |
COOL/OFF/HEAT |
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| ROOM | SHOWS THAT THE |
| SET | |
| CURRENT ROOM | |
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| TEMPERATURE IS |
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| DISPLAYED. |
ENGAGE TABS
DISPLAYS ROOM
SHOWS THAT THE CURRENT TEMPERATURE SETPOINT IS DISPLAYED.
AT BOTTOM OF
THERMOSTAT
AND WALL PLATE.
PRESS UPPER
EDGE OF CASE
TO LATCH
M19498
Fig. 14. Mount thermostat to wallplate.
SET SYSTEM AND FAN SWITCHES (T8775C ONLY)
SYSTEM Switch: (See Fig.15)
Heat: The thermostat controls the heating system.
Off: Both the heating and cooling systems are off.
Cool: The thermostat controls the cooling system.
FAN Switch: (See Fig.15)
Auto: The fan only runs with the heating and cooling system.
On: The fan runs continuously. Use for improved air circulation.
FEATURES AND OPERATION
Features and operation of The Digital RoundTM Thermostat (see
Fig. 15 and 16):
•Simple to use. Turn the dial to adjust the temperature setting.
•Large
•Backlit display.
•No batteries required. The temperature setting is held permanently in memory in the event of a power failure.
OR SET TEMPERATUREDISPLAYS AND ADJUSTS TEMPERATURE SETPOINT/TURNS
BACKLIGHT ON
M19681
Fig. 15. T8775 Thermostat (features and operation).
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ROOM
SET
M19582
Fig. 16. T8775 Thermostat.
Backlit Display
Push the backlight button to turn on the backlight (See Fig. 15).
Display Temperature Setpoint
1.Turn the dial one click to display the temperature set-
point. An 
indicator points to Set when the tempera- ture setpoint is displayed (see Fig.17).
ROOM
SET
M19489
Fig. 17. Temperature setpoint display.
2.If a change to the temperature setpoint is not made
within five seconds, the display will switch to the current room temperature. An indicator points to Room when the room temperature is displayed (see Fig. 18).
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