Honeywell T8775C Support Question
Honeywell T8775C Support Question
Find answers below for this question about Honeywell T8775C.Need a Honeywell T8775C manual? We have 1 online manual for this item!
Question posted by rev on December 4th, 2013
What Is 3rd Terminal Marked Y For
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Related Honeywell T8775C 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 AND ADJUSTS
TEMPERATURE SETTING/TURNS
BACKLIGHT ON
M19470
Fig. 1.
T8775 Thermostat (features and operation).
69-1679EF-1
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.
Owner's Manual - Page 3
...; Auto: Normal setting for improved air
circulation.
IMPORTANT Do not operate the T8775C in cooling mode when the outdoor temperature is held permanently in memory.
3
69-1679EF-1 The fan runs continuously.
Operating Your Thermostat
NOTE: Batteries are off. ❑ Cool: The thermostat controls your heating system. ❑ Off: Both heating and cooling systems...
Owner's Manual - Page 4
...;C) in Fig. 1. 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 Set when the temperature setting is displayed.
Owner's Manual - Page 5
Do not operate cooling when outside temperature is set to Heat or Cool (T8775C only).
5
69-1679EF-1 Adjust Temperature Setting
❑ To lower the temperature...Heating or cooling does not come on.
❑ Make sure that the SYSTEM switch on the thermostat is below 50°F (10°C). Troubleshooting Guide
CAUTION
Equipment Damage Hazard. See equipment manufacturer instructions. Allow...
Owner's Manual - Page 6
... and a solid snowflake is running, the thermostat will flash during this thermostat, call for cooling is made before the compressor... has been off for air movement at 1-800-468-1502.
69-1679EF-1
6 ❑ In heating, make sure the temperature setting is above the room temperature and the flame is present in the display (T8775C...
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