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 hrbrown80 on April 29th, 2022
Screen Is Blank. What Do I Do?
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Answer #1: Posted by SonuKumar on April 30th, 2022 12:20 AM
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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
T8775 Thermostat (features and operation).
69-1679EF-1
2
DISPLAYS AND ADJUSTS
TEMPERATURE SETTING/TURNS
BACKLIGHT ON
M19470
Fig. 1. 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
...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 ...;C), or damage to compressor could result. SET THE SYSTEM SWITCH: ❑ Heat: The thermostat controls your cooling system. The fan only runs with
❑ On:
the heating and cooling...
Owner's Manual - Page 5
... set to Heat or Cool (T8775C only).
5
69-1679EF-1 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.
Owner's Manual - Page 6
...-minute delay to protect the compressor. ❑ In heating, 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 been off for air movement at 1-800-468-1502.
69-1679EF-1
6
Installation Instructions - Page 1
... condition.
2. radiant heat from ducts. - Read these instructions. Can shock individuals or short equipment circuitry. HOLES FOR DRYWALL, 7/32 IN. Fig. 1. T8775A,C
The Digital Round™ Non-Programmable Thermostats
The T8775A,C Thermostats provide single-stage temperature control for 24V systems. The T8775A,C models include a thermostat, wallplate (for your application.
3.
Installation Instructions - Page 2
T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS
Wiring
IMPORTANT Use 18-gauge wire to Fig. 2 through 6 for typical wiring hookups. Typical hookup of ...B
2 Rc
G
R
Y
W
1
HEATING
COMPRESSOR FAN
RELAY OR
CONTACTOR RELAY
VALVE COIL
R W
1 POWER SUPPLY. Refer to wire the T8775A,C Thermostats. Disconnect the power supply to prevent electrical shock or equipment damage.
Installation Instructions - Page 3
... with manufacturer for gas or oil systems. If the T8775C is connected.
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 thermostat. FUEL SWITCH
Fig. 7. Set Heat Cycle Rate
Use DIP switches 1 and 2 to wallplate. Temperature Indication...
Installation Instructions - Page 4
... the room temperature.
5. After approximately five minutes, the thermo- T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS
(T8775C ONLY) SELECTS COOL/OFF/HEAT
(T8775C ONLY) SELECTS ON/AUTO
ROOM.../TURNS BACKLIGHT ON
M19520
Fig. 10. Refer to 37°C) in cooling. The thermostat controls the cooling
system.
Lower the temperature setpoint below the room temperature.
3. The fan...
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