Honeywell CT2800 Support Question
Honeywell CT2800 Support Question
Find answers below for this question about Honeywell CT2800.Need a Honeywell CT2800 manual? We have 1 online manual for this item!
Question posted by sburmudz on September 2nd, 2012
Change Themostat From F To C
I bought and installed Thermostat Magic Start/28, CT2800.The Temp. reading is in Fahrenheit. Can I change the reading to Celsious and how. Thanks, Savo
Current Answers
Related Honeywell CT2800 Manual Pages
Owner's Manual - Page 1
... Questions ...22 Customer Assistance ...23 Limited Warranty ...24
® U.S.
Your new thermostat will automatically control the temperature in your new Honeywell Programmable Thermostat. CT2800 Programmable Thermostat
INSTALLATION AND PROGRAMMING INSTRUCTIONS
Welcome to 30 Vac) Thermostat and Mounting Plate Model CT2800
Table of comfort and energy savings with your home, keeping you...
Owner's Manual - Page 2
... on the Web at www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502.
Read the compatibility chart below to 240 volts.
Installation
MERCURY SWITCH
INSTALLATION
Verify You Have Correct Thermostat
Fig. 1. Compatible with the CT2800, the table recommends an alternate Honeywell model. Contact your local waste management authority for 240
volts...
Owner's Manual - Page 3
... a heating/air conditioning contractor-the problem may persist after you have the following parts: • Thermostat and mounting plate • Labels • Screws and anchors • Installation and Programming Instructions
2. Heating/Cooling System
Steam A steam boiler with CT2800?
IMPORTANT: To avoid damaging the compressor in the air conditioner, do not operate the cooling...
Owner's Manual - Page 4
... that are not connected to the heating/cooling system, either at the furnace or at the fuse/circuit breaker panel. M20133
✓Check your old thermostat (Fig. 2). Remove the cover of your progress
Your wall should now look like Fig. 4.
69-1638-1
4 Using enclosed labels, mark wires with wires attached to...
Owner's Manual - Page 5
Separate the mounting plate from the thermostat using a coin, as shown in drywall, gently tap the anchors (provided) into each of the ...plaster or wood, drill two 7/32-inch holes.
Position the mounting plate on the wall and should look like Fig. 7. If installing in Fig 5. Make sure the mounting plate is flush against the wall and none of the mounting plate screw holes. b. c. ...
Owner's Manual - Page 6
... can install the batteries and program your heating system uses: F- OFF
11
ON
22
33
OFF ON
HEATING SYSTEM
WARM AIR FURNACE
HOT WATER OR HIGH EFFICIENCY
ELECTRIC FURNACE
DIP SWITCH FUEL SWITCH
POSITION
POSITION
1 -
The thermostat is mounted on the next page to maintain accurate temperature control, minimize swings in degrees Fahrenheit...
Owner's Manual - Page 7
...terminal screws and slip each wire beneath its matching terminal (Fig 10). Hold thermostat as a 90% or greater AFUE (Average Fuel Utilization Efficiency) unit
Hot ... 2-On
F
1-On; 2-Off
E
Step 5. Using the labels on the wires, match letter of your old thermostat wire
with an efficiency rating under 90%. (The furnace efficiency rating should be on the furnace.)
High-efficiency furnace such...
Owner's Manual - Page 8
Fig. 12. e.
Align the tabs at the top of the thermostat with the tabs at the top of the thermostat (Fig. 12)
M20130
M20131
69-1638-1
8 Step 6. f.
Press the lower edge of the case to latch the bottom of the mounting plate (Fig. 11). Mount Thermostat
Fig. 11.
Owner's Manual - Page 9
... clear plastic label from each other to avoid damaging your progress
When the batteries are connected to your CT2800 Thermostat. c. Wrap the wires separately, using Energizer® batteries. M1719C
Fig. 14.
Make sure that are installed correctly, the digital display flashes all entries once, then begins to operate. See Programming section.
Step 7. e. You...
Owner's Manual - Page 10
...-only system and cannot operate the fan using the fan ON switch, the CT2800 Thermostat will work with such systems and should be returned to the place of the new thermostat. You will not interfere with your system. Continue the installation procedure. Remove the jumper before wiring the R and Rc terminals. Six or more...
Owner's Manual - Page 11
... have a multistage heating/cooling system.
Transformer common. You have a single-stage heat pump or zoning system. Select an alternate thermostat model.
*Remove factory-installed jumper between R and Rc terminals in heat (B terminal). Description
Power Power for cooling
Heat
Cooling
Fan
Changeover in cool (O terminal) or changeover in 5-wire systems.
...
Owner's Manual - Page 12
... TH FR SA SU
TEMPORARY
WAKE LEAVE RETURN SLEEP
4
Set
Time Temp Mode
3
Clock/Day
Run Program
2
Schedule
Hold Temp
1
Fan
Auto On
System
Cool Off Heat
Descriptions
1 Fan switch-Selects automatic fan operation or fan on.
2 Set Schedule-Puts the thermostat into programming mode.
3 Set Clock/Day-Sets the clock and day...
Owner's Manual - Page 13
..., you can set the normal room temperature higher and the energy-saving temperature lower.
• The reverse is displayed.
Step 1. Learn About Programming Features
Your CT2800 Thermostat allows you will be lower and the energy-saving temperature higher. The time is displayed (Fig. 18). d. Press
once. Fig. 19.
Owner's Manual - Page 14
... keypad. SLEEP
The time when you get up and get ready to program your home. Run
Schedule
• If you decide not to leave your thermostat, it automatically controls heating at 68°F (20°C), and cooling at any lower than 45°F (7°C). • When pressing the buttons, use the...
Owner's Manual - Page 15
...(16.5°C)
RETURN 6:00 PM 70°F (21°C)
Weekday (Mon-Fri) Time Temp
Weekend (Sat-Sun) Time Temp
b. Press
once. Fig. 20.
Time
until desired temperature is displayed.
15
69-1638-1 ... schedule. A blank schedule is displayed (Fig. 21). Set the Monday-Friday WAKE time by pressing
Temp
until the desired time is displayed (Fig. 20).
e.
SLEEP 10:00 PM 62°F (16...
Owner's Manual - Page 18
...e. This delay protects the compressor. Press Temp
until the setting is displayed. Set the ...Temp
until setting is displayed.
OPERATION
Change Clock for Daylight/Standard Time
a.
The current time and day and current temperature display.
69-1638-1
18 Fig. 26. NOTE:
When cooling setting is changed, thermostat can delay up to Auto. The cooling system and fan should start...
Owner's Manual - Page 19
... this setting for improved air circulation during special occasions or for most homes. The thermostat controls your air conditioning system. Open the battery door. NOTE: If new batteries ...left side of the thermostat. Both the heating and air conditioning systems are dead or incorrectly installed and reprogramming is set the System switch. The thermostat controls your heating system....
Owner's Manual - Page 20
... switch to HEAT or COOL. Override program settings
NOTE: Make sure the System switch is reached.To cancel temporary change batteries before making any changes to lack of battery power in thermostat. Then reprogram.
An arrow is displayed.
Install new batteries. Close the battery door and set to either HEAT or COOL before leaving. d.
Owner's Manual - Page 22
...seconds to reset thermostat. range is 45°F to 88°F (7°C to Off. Press
simultaneously. Display shows flashing "bAt Lo."
•
•
Temperature change occurs at ... or programming cooling schedule. b.
Change a program permanently
Follow steps for period in question.
Be sure AM and PM indications are fresh and installed correctly. display should come on...
Owner's Manual - Page 23
...Thermostat model number and serial code (located under the battery cover) - Heating does not come on
•
•
•
•
•
•
Cooling does not come on before air conditioner starts...thermostat is blank or says "bAt Lo," install fresh batteries. Contact heating contractor for the current setting and the displayed room temperature to 30 minutes after changing...
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