Honeywell T8775C1005 Support Question
Honeywell T8775C1005 Support Question
Find answers below for this question about Honeywell T8775C1005 - Digital Round 24V.Need a Honeywell T8775C1005 manual? We have 2 online manuals for this item!
Question posted by drogenski on November 3rd, 2010
Room Temperature Indicator Not Accurate.
i JUST INSTALLED A T8775C 1005 THERMOSTAT AND THE ROOM TEMPERATURE INDICATOR SAYS 75 DEGREES. BUT MY OTHER THERMOSTAT SHOWS 72 DEGREES. I HAVE TO SET IT TO 76 DEGREES TO GET MY FURNACE TO TURN ON. IS THERE A WAY TO ADJUST THE ACCURACY OF THE ROOM TEMPERATURE INDICATOR?
Current Answers
Related Honeywell T8775C1005 Manual Pages
Owner's Manual - Page 1
Registered Trademark Patents Pending © 2004 Honeywell International Inc. All Rights Reserved
69-1679EF-1 T8775A,C The Digital Round™ Non-Programmable Thermostats
OWNER'S GUIDE
® U.S.
Owner's Manual - Page 2
DISPLAYS ROOM OR SET TEMPERATURE
SHOWS THAT THE CURRENT TEMPERATURE SETTING IS DISPLAYED.
(T8775C ONLY) SELECTS COOL/OFF/HEAT
(T8775C ONLY) SELECTS ON/AUTO
ROOM
SHOWS THAT THE
SET
CURRENT ROOM
TEMPERATURE
IS DISPLAYED. T8775 Thermostat (features and operation).
69-1679EF-1
2 DISPLAYS AND ADJUSTS
TEMPERATURE SETTING/TURNS
BACKLIGHT ON
M19470
Fig. 1.
Owner's Manual - Page 3
IMPORTANT Do not operate the T8775C in memory.
3
69-1679EF-1 The fan runs continuously. Use for most homes.
SET THE FAN SWITCH:
❑ Auto: Normal setting for improved air
circulation. Operating Your Thermostat
NOTE: Batteries are not required because the temperature setting is held permanently in cooling mode when the outdoor temperature is below 50°F (10°...
Owner's Manual - Page 4
... 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...
Owner's Manual - Page 5
... on the thermostat is below 50°F (10°C). Do not operate cooling when outside temperature is set to Heat or Cool (T8775C only).
5
69-1679EF-1 Can cause permanent damage to remain off for five minutes before restarting.
Adjust Temperature Setting
❑ To lower the temperature setting, turn the dial counterclockwise.
❑ To raise the temperature setting, turn the dial...
Owner's Manual - Page 6
...10065; In heating, make sure the temperature setting is above the room temperature and the flame is present in the display (T8775C only). NOTE:
If a call Honeywell... display.
❑ In cooling, make sure the temperature setting is below the room temperature and a solid snowflake is running, the thermostat will flash during this thermostat, call for cooling is made before the compressor has...
Installation Instructions - Page 1
... application.
3. After installation is complete, check out product operation as an outside
wall behind doors and in the instructions and on the product to Wall
Mount the T8775A,C wallplate, with good air circulation at average temperature. T8775A,C
The Digital Round™ Non-Programmable Thermostats
The T8775A,C Thermostats provide single-stage temperature control for 24V systems. The...
Installation Instructions - Page 2
...PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 FACTORY INSTALLED JUMPER. M19515
Fig. 4. PROVIDE DISCONNECT MEANS AND OVERLOAD ...Thermostats. Typical hookup of T8775C in heat-cool system with local electrical codes and ordinances. M19513
Fig. 2. M19516
Fig. 6. HEATING
1
RELAY OR
VALVE COIL
1 POWER SUPPLY. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS...
Installation Instructions - Page 3
..., locate DIP switch 1, 2 and 3 on an electric heat system, or a heat pump, set the switch to set the desired temperature indication.
See Table 1. M19498
Fig. 9. See Table 2. Temperature Indication. DIP switch.
T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS
CUSTOMIZE THERMOSTAT
Setting Fuel Switch (T8775C only)
The fuel switch is preset at the top of the...
Installation Instructions - Page 4
... minutes, the thermo- 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. Do not operate cooling if outdoor temperature is 40°F to 90°F (4°C to 32°C) in the display and the heat should turn on .
4. Refer to 37°...
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