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 allworldsvcs on July 17th, 2013
What Is The Problem With My Thermostat?
The screen has gone black and there is no cool air blowing from the system.
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
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 AND ADJUSTS
TEMPERATURE SETTING/TURNS
BACKLIGHT ON
M19470
Fig. 1.
DISPLAYS ROOM OR SET TEMPERATURE
SHOWS THAT THE CURRENT TEMPERATURE SETTING IS DISPLAYED.
Owner's Manual - Page 3
... continuously. Setting SYSTEM and FAN Switches (T8775C only)
❑ System and Fan settings are off. ❑ Cool: The thermostat controls your cooling system.
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...
Owner's Manual - Page 4
...
M19490
69-1679EF-1
4 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.
Owner's Manual - Page 5
... outside temperature is set to Heat or Cool (T8775C only).
5
69-1679EF-1 Allow compressor to compressor or other equipment. Can ...dial counterclockwise.
❑ To raise the temperature setting, turn the dial clockwise.
Heating or cooling does not come on.
❑ Make sure that the SYSTEM switch on the thermostat is below 50°F (10°C).
See equipment manufacturer instructions.
Owner's Manual - Page 6
... 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 The snowflake will go into a five-minute delay to protect the compressor. NOTE...
Installation Instructions - Page 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 ...waste management authority for wiring and mounting thermostat), mounting screws, wall anchors, and a 4074 FAB resistor. See Fig. 1. hot or cold air from the sun or appliances. - ...
Installation Instructions - Page 2
... REMOVE FACTORY INSTALLED JUMPER BETWEEN R AND RC. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS
Wiring
IMPORTANT Use 18-gauge wire to wire the T8775A,C Thermostats.
All wiring must comply with fan.
69-1677EF-1
2
4
O
Rc 2
R
B G Y3 W
COMPRESSOR CONTACTOR
HEAT CHANGEOVER
VALVE
1
FAN
COOL
RELAY
CHANGEOVER
VALVE
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD...
Installation Instructions - Page 3
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. Heat Cycle Rate.
See ...
1
On On
High Efficiency Warm Air
3
(90%+ efficiency), Hot Water,
Heat Pump
Off On
Gas or Oil Warm Air (factory 6 setting)
Off Off
Electric Warm Air
9
On Off
In Floor Radiant Heat...
Installation Instructions - Page 4
...
Off: Cool:
The thermostat controls the heating system.
FAN Switch
Auto: On:
The fan only runs with the heating and cooling system. NOTE:
If a call for improved air circulation. ...Fig. 10. Fan
1. Both heating and cooling systems are off. Heating
1. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS
(T8775C ONLY) SELECTS COOL/OFF/HEAT
(T8775C ONLY) SELECTS ON/...
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