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Most Recent Honeywell CT8775C Questions
Screen Came On But Is Now Blank And Furnace Is Not Operating. Honeywell Ct8775c
the thermostat came on and furnace came on and then went blankremoved faceplate, waited 5 minutes tu...
the thermostat came on and furnace came on and then went blankremoved faceplate, waited 5 minutes tu...
(Posted by sruderman 7 years ago)
T/stat Mod Ct8775c
Back Lighting Keeps Blinking
Does this indicate a problem. Manual no help. How do I turn the blinking off Control of furnace is...
Does this indicate a problem. Manual no help. How do I turn the blinking off Control of furnace is...
(Posted by felx 11 years ago)
Honeywell Ct8775c With Propane-fired System
I have a Propane-fired hot water heating system. I have been using a round Honeywell CT8775C thermos...
I have a Propane-fired hot water heating system. I have been using a round Honeywell CT8775C thermos...
(Posted by hopprov 12 years ago)
Temperature Not Working Properly
Have round Honeywell CT8775C thermostat. AC temp is set to go on at 77 degrees. At that temp AC turn...
Have round Honeywell CT8775C thermostat. AC temp is set to go on at 77 degrees. At that temp AC turn...
(Posted by ektrewin 12 years ago)
Popular Honeywell CT8775C Manual Pages
Owner's Manual - Page 1
...honeywell.com/yourhome. OWNER'S GUIDE
Contents
Step 1. Special Installations...4 Step 4. Prepare for Installation ...3 Step 2. Remove Old Thermostat ...4 Step 3. Set the System and Fan Switches ...12 Step 11. Operating the Thermostat...13 Step 12. Mount Decorator Cover Plate and Thermostat Wallplate 5 Step 7. All Rights Reserved
69-1676-1 Mount the Thermostat ...11 Step 10. Wire...
Owner's Manual - Page 2
... and the proper disposal of a power failure. This manual answers many of The Digital RoundTM Thermostat by Honeywell.
• Simple to follow these instructions carefully.
Read these instructions can arise as you become familiar and comfortable with your Honeywell thermostat - Contact your old control in a sealed tube. The temperature setting is held permanently in memory in
the...
Owner's Manual - Page 3
...❑ Check Table 1, the compatibility chart, to make sure the thermostat is not compatible, call Honeywell Customer Care, toll-free, 1-800-468-1502. Package Contents
• Thermostat • Wiring labels
Tools for Installation
• Screwdriver • Needle nose pliers
• Decorator cover plate • Owner's Guide
• Drill • Drill bits (3/16 in . plaster)
3
•...
Owner's Manual - Page 4
... below 50°F (10°C).
❑ Turn off when pulled firmly from the old thermostat. If you are replacing a thermostat that is connected to six or more wires. • A thermostat that is connected to the wallplate and lift the thermostat away. SPECIAL INSTALLATIONS
Read this section if you have a multistage heat pump or other multistage system. STEP 2.
Owner's Manual - Page 5
...STEP 4. LABEL THERMOSTAT WIRES
❑ Disconnect the wires from thermostat.
SEPARATE WALLPLATE FROM THERMOSTAT
❑ Remove cover from the old thermostat. Separate the wallplate from the wallplate.
Replacing a thermostat that is connected to three wires on a warm air heating only system
If you are replacing a thermostat that is installed. The CT8775A thermostat is not compatible...
Owner's Manual - Page 8
...; Plug the hole in the wall with local codes and ordinances. Refer to help prevent drafts from
adversely affecting thermostat operation.
IMPORTANT Remove the factory-installed jumper connecting terminals R and Rc on the CT8775C Thermostat if wires will be connected to the labels you placed on your new thermostat.
FOR WRAPAROUND INSERTION STRIP 7/16 IN. (11 MM...
Owner's Manual - Page 9
Changeover in cool. (Single stage heat pump only). installation. installation. If wires were connected to both Rh and R terminals on the new thermostat and connect Rh to R and R to both O and B when wiring to O. Tape off wire with electri- Do not connect.
NOTES:
1. If wires will be connected to Rc.
2. cal tape and do not use . 4.
Do not...
Owner's Manual - Page 10
... with the heating system where the G terminal is connected.
The E setting allows the fan to your particular heating system. BACK OF THERMOSTAT
ON 123
69-1676-1
DIP SWITCH
M19567
Fig. 4.
NOTE: The CT8775A,C Thermostats will provide optimal temperature control if DIP switches 1 and 2 are set the heat cycle rate. Fuel switch.
See Table 3.
See Fig...
Owner's Manual - Page 11
...MOUNT THE THERMOSTAT
ENGAGE TABS AT BOTTOM OF THERMOSTAT AND WALL PLATE.
NOTE: The cooling cycle rate does not require adjustment and therefore cannot be changed. Fahrenheit/Celsius Display Fahrenheit (factory setting)
Celsius...), Hot Water, Heat Pump 3
On
On
Off
On
Gas or Oil Warm Air (factory setting) Electric Warm Air In Floor Radiant Heat
6
Off
Off
9
On
Off
Check with manufacturer ...
Owner's Manual - Page 12
... system. ❑ Fan On: The fan runs continuously. CT8775 Thermostat (features and operation).
12 SET THE SYSTEM AND FAN SWITCHES (CT8775C ONLY)
System Switch (see Fig. 5)
❑ Fan Auto: Normal setting for improved air circulation.
69-1676-1
(CT8775C ONLY) SELECTS COOL/OFF/HEAT
(CT8775C ONLY) SELECTS ON/AUTO
ROOM SET
SHOWS THAT THE
CURRENT ROOM
TEMPERATURE IS
DISPLAYED...
Owner's Manual - Page 13
...
❑ Slide the system switch to Heat and the Fan switch to Auto (CT8775C only). ❑ Turn the dial clockwise to raise the temperature setting several degrees above the room temperature. ❑ A flame will switch to indicate the thermostat has called for heating.
Room Temperature Display. Turn the dial counterclockwise to indicate the...
Owner's Manual - Page 14
... instructions.
❑ Slide the system switch to Cool and the Fan switch to Auto. ❑ Turn the dial counterclockwise to Auto. Cooling System (CT8775C Only...setting above the room temperature. ❑ The snowflake will disappear from the display to indicate the thermostat has called for cooling is below the room temperature. Can cause permanent damage to On. Fan (CT8775C...
Owner's Manual - Page 15
... to 99°F (7 to the thermostat.
15
69-1676-1 System on .
• Set the system switch to On if it to Cool (CT8775C only). • Make sure the temperature setting is below model number).
• Type of this thermostat. IF YOU HAVE A PROBLEM
Table 5. Cooling does not come on back of wires connected to 37°C) for this...
Owner's Manual - Page 18
... repair or replace it , postage
prepaid, to the following address:
Honeywell USA
Honeywell Canada:
Dock 4 - Limited One-Year Warranty
Honeywell warrants this product to be to repair or replace the product within a reasonable period of a consumer. If the product is shown by Honeywell that the defect or malfunction was in the workmanship or materials, under normal use and service...
Owner's Manual - Page 20
Automation and Control Solutions
Honeywell International Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario
M1V 4Z9
69-1676-1 J.S. Rev. 6-04
www.honeywell.com/yourhome
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