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Thermostat Compatable With In Floor
Have in floor boiler heat . Told I can not use the Honeywell ct8775a with this system. Why not ?
Have in floor boiler heat . Told I can not use the Honeywell ct8775a with this system. Why not ?
(Posted by Kunstmanttimm 9 years ago)
Thermostat Not Showing Correct Temperature Now
(Posted by mjzdybak 10 years ago)
Is Thermostat Unit Ct8775a,c Replacement Available
cannot find unit replacement
cannot find unit replacement
(Posted by billyhyll 11 years ago)
Where Can I Buy The Digital Thermostat Ct8775a
(Posted by lgdenault 12 years ago)
Popular Honeywell CT8775A Manual Pages
Owner's Manual - Page 1
...169; 2004 Honeywell International Inc.
OWNER'S GUIDE
Contents
Step 1. Prepare for Installation ...3 Step 2. Remove Old Thermostat ...4 Step 3. Pour obtenir des notices techniques en français, veuillez consulter notre site web www.honeywell.com/yourhome. CT8775A,C
THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS
CT8775A Heat Only Thermostat (20 to 30 Vac) and CT8775C Heating...
Owner's Manual - Page 2
... backlighting makes it easy to use. The temperature setting is easily seen from a
distance. • Backlit display.
This manual answers many of a power failure.
Read these instructions can arise as you become familiar and comfortable with your old control in a sealed tube, do not place your Honeywell thermostat - Failure to -read the display in home...
Owner's Manual - Page 3
... zone valves.
Not compatible with your system 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
• Screws and...
Owner's Manual - Page 4
... and cooling systems to touch, or you are replacing a thermostat that is connected to six or more wires. • A thermostat that is connected to three wires on a warm air heating only system. • A thermostat that has one of these systems, return the product to the place of screws, instructions, and
receipt. ❑ Remove the cover from the...
Owner's Manual - Page 5
... to keep them from falling back into the wall.
Replacing a thermostat that is connected to three wires on a zoned hot water heating system
If you are replacing a thermostat that is connected to three wires on a zoned hot water heating system, the CT8775A,C thermostats will work if an isolation relay is installed. Separate the wallplate from the wallplate. If you...
Owner's Manual - Page 8
... insulation to both acceptable,
(see pp 16-17. ❑ Loosen the terminal screws.
FACTORY INSTALLED JUMPER
M19495
FOR STRAIGHT INSERTION STRIP 5/16 IN. (8 MM).
IMPORTANT Remove the factory-installed jumper connecting terminals R and Rc on the wires when you placed on the CT8775C Thermostat if wires will be connected to help prevent drafts from
adversely affecting...
Owner's Manual - Page 9
..., remove jumper between R and Rc on CT8775C
R
R (see Note 3)
Do not connect. W - - -
-
installation. Tape off B with electrical tape and do not use .
9
69-1676-1 Connect O to Terminals Connect To Terminals
on CT8775A
on the new thermostat and connect Rh to R and R to a single stage heat pump. installation.
Tape off wire with electri- Second stage cool.
Terminal...
Owner's Manual - Page 10
... the wallplate (see Fig. 3). The E setting allows the fan to set in the F position.
FUEL SWITCH
M19497
Fig. 3.
NOTE: The CT8775A,C Thermostats will provide optimal temperature control if DIP switches 1 and 2 are set the switch to your particular heating system. DIP switch.
10
Fuel switch. CUSTOMIZE THE THERMOSTAT
Set Fuel Switch (CT8775C Only)
❑ To adjust the fuel...
Owner's Manual - Page 11
... THE THERMOSTAT
ENGAGE TABS AT BOTTOM OF THERMOSTAT AND WALL PLATE. PRESS UPPER EDGE OF CASE TO LATCH
M19498
11
69-1676-1 Heat Cycle Rate.
Fahrenheit/Celsius Display Fahrenheit (factory setting)
Celsius... efficiency), 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 for ...
Owner's Manual - Page 12
...: The fan runs continuously.
CT8775 Thermostat (features and operation).
12 STEP 10. Use for most homes. 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...
Owner's Manual - Page 13
...the Fan switch to Auto (CT8775C only). ❑ Turn the dial clockwise to raise the temperature setting several degrees above the room...thermostat has called for heating.
STEP 12. Temperature Setting Display.
ROOM
SET
❑ If a change to Set when the temperature setting is displayed. OPERATING THE THERMOSTAT
NOTE: Batteries are not required because the temperature setting...
Owner's Manual - Page 14
... operate cooling when outside temperature is running, the thermostat will disappear from the display to Auto. Fan (CT8775C Only)
❑ Slide the system switch to Off and the fan switch to lower the temperature setting several degrees below 50°F (10°C). See equipment manufacturer instructions.
❑ Slide the system switch to Cool and...
Owner's Manual - Page 15
...; Make sure the thermostat is in the Off position.
Customer Assistance
Please read and follow the provided instructions for the system to respond.
Heating does not come on.
• Set the system switch to Cool (CT8775C only). • Make sure the temperature setting is below model number).
• Type of wires connected to Heat (CT8775C only). • Make...
Owner's Manual - Page 18
... a short description of a consumer. This warranty gives you specific legal rights, and you may have other rights which vary from the date of purchase by damage which you have any time during the warranty period, the product is defective or malfunctions, Honeywell shall repair or replace it is defective,
(i) return it, with a bill of...
Owner's Manual - Page 20
Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario
M1V 4Z9
69-1676-1 J.S. Automation and Control Solutions
Honeywell International Inc. Rev. 6-04
www.honeywell.com/yourhome
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