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CT2700
ª
An Electronic Round
Programmable Thermostat
USER’S GUIDE
MERCURY
SWITCH
TYPICAL LOCATION OF A MERCURY
SWITCH IN A THERMOSTAT
M10614
RECYCLING
THERMOSTAT
If this thermostat is replacing a control that
contains mercury in a sealed tube, do not place
your old control in the trash. Contact your local
waste management authority for instructions
regarding recycling and the proper disposal of this
control, or of an old control containing mercury in a
sealed tube.
If you have questions, call H
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™ CT2700 AN ELECTRONIC ROUND PROGRAMMABLE THERMOSTAT Table 1. Compatibility Chart System Type Compatible With CT2700 a GasÑStanding Pilot Yes GasÑElectronic Ignition Yes a,b Gas-Fired Boilers Yes GasÑMillivolt No b Oil-Fired Boilers Yes Oil-Fired Furnace Yes Electric Furnace Yes Electric Air Conditioning Yes Baseboard Electric (120/240 Line Volt) No Heat Pumps/Multistage Equipment No Not compatible with any 120/240 volt circuit. Not compatible with 2-wire White-Rodgers no. 1361 zone valves. a N
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O T U A N O N A F T A E ™ CT2700 AN ELECTRONIC ROUND PROGRAMMABLE THERMOSTAT Three Thermostat Wires 4 WIRE WALLPLATE TERMINALS If you have three wires for heating only and can operate The CT2700 Thermostat is powered through the heating/ the fan using the FAN ON switch, this thermostat works cooling system and is adaptable to most 4-wire, 18 to 30 with your system. However, some hot water (zoned) Vac heating-cooling systems. Refer to Figs. 4 through 6 for heating systems have three thermostat w
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O O O T T T U U U A A A N N N O O O N N N A A A F F F ™ CT2700 AN ELECTRONIC ROUND PROGRAMMABLE THERMOSTAT All wiring must comply with local electrical codes and ordinances. If unsure about household wiring procedures, 5 ADJUST FAN OPERATION SWITCH call your local heating and air conditioning contractor. The thermostat fan operation switch, labeled fuel switch in Refer to the masking tape labels you placed on wires Fig. 9, is set at the factory in the F (gas/oil fuel) position. when you removed
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™ CT2700 AN ELECTRONIC ROUND PROGRAMMABLE THERMOSTAT Press the thermostat straight on to the wallplate to 3. Set WAKE SET latch. Temperature AM a. Press . NOTE: To remove the thermostat from the wallplate, b. Press or grasp the thermostat on both sides and pull the to set desired thermostat straight out. WAKE temperature. 4. Set SLEEP Time Restore power to the heating/cooling system. a. Press . PM b. Press or to set desired 7 PROGRAM YOUR THERMOSTAT SLEEP time. The thermostat is preprogrammed f
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O T U A N O N A F ™ CT2700 AN ELECTRONIC ROUND PROGRAMMABLE THERMOSTAT Hold Function 10 CHECK OPERATION AFTER INSTALLATION/PROGRAMMING To hold the thermostat at one temperature indefinitely, program both WAKE and SLEEP to the same temperature. Heating System Slide the System switch to HEAT and the Fan switch to AUTO. 9 SET FAN AND SYSTEM SWITCHES Press and hold the key to raise the temperature Manually control fan and system settings using the several degrees above the room temperature to switc
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™ CT2700 AN ELECTRONIC ROUND PROGRAMMABLE THERMOSTAT c. After the b. Press to TEMPORARY thermostat display the AM reverts back to current °F or displaying room °C setting. temperature (approximately five seconds), simultaneously 3. Fahrenheit - Celsius Temperature press and keys and hold for three a. Use or to choose between °C and °F. seconds. Release the keys after the display b. Press to changes. display the d. Press within current 12- or five seconds. 24-hour clock The display setting. chan
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™ CT2700 AN ELECTRONIC ROUND PROGRAMMABLE THERMOSTAT PERCENT OF HEATING COSTS YOU CAN SAVE SAVINGS FOR ONCE-A-DAY 10°F (5°C) DECREASE* HEAT 6TO 8% 9 TO 11% 12 TO 13% 14 TO 15% 16 TO 18% PERCENT OF COOLING COSTS YOU CAN SAVE SAVINGS FOR ONCE-A-DAY 10°F (5°C) INCREASE* COOL 7TO 9% 10 TO 11% 12 TO 14% 14 TO 19% * YOUR SAVINGS DEPENDS ON HOME SIZE AND ACTUAL HEAT LOSS OR GAIN, GEOGRAPHIC LOCATION, FREQUENCY OF TEMPERATURES CHANGE, AND RANGE IN DEGREES OF CHANGE. M12545 Limited One-Year Warrant
