Owner's Manual
Page 1
...l&F [5-C] decrease. 2 so% 3 ~za% H fi Q Thermostat patents pending. "~~ m lwF [50CI dncrease+~F [*C] deciease grfes WP+vxlmateiy 55 pemml ol these savings.) ~z,,~h Printed in Canada: Honeywell Limited/Honeywell Limit6e Return Goods Department Product Services ON 15-FFE 1050 13erkafdre Lane ... Central time. PROGRAMMABLE THERMOSTAT BY HONEYWELL Weekday/Weekend (5-day/2-day) Programmable Heat and/or Cool Low Voltage (20 to 30 Vat) Thermostat and Mounting Plate Model CT2400 PROGRAMMING AND INSTALLATION INSTRUCTIONS Limited One-Year Warranty Honeywell warrants this prcduct, ...
...l&F [5-C] decrease. 2 so% 3 ~za% H fi Q Thermostat patents pending. "~~ m lwF [50CI dncrease+~F [*C] deciease grfes WP+vxlmateiy 55 pemml ol these savings.) ~z,,~h Printed in Canada: Honeywell Limited/Honeywell Limit6e Return Goods Department Product Services ON 15-FFE 1050 13erkafdre Lane ... Central time. PROGRAMMABLE THERMOSTAT BY HONEYWELL Weekday/Weekend (5-day/2-day) Programmable Heat and/or Cool Low Voltage (20 to 30 Vat) Thermostat and Mounting Plate Model CT2400 PROGRAMMING AND INSTALLATION INSTRUCTIONS Limited One-Year Warranty Honeywell warrants this prcduct, ...
Owner's Manual
Page 2
... not place your home, keeping you have questions, call Honeywell Inc. Contact your Jocal waste management authority for instructions regarding the recycling and proper disposal of your new Honeywell MagicStat@ programmable thermostat. DRILL WITH 3/16 INCH DRILL BIT, IF NEEDED, TO... a.m.-53O p.m., Central time. @ RECYCLING THERMOSTAT If this manual. Direct any questions concerning the application of this thermostat to Honeywell Customer Assistance at 1-800-468-1502. O STEP 9 Mount The Thermostat 24 STEP 10 Check Thermostat Operation After Programming And installing 25 STEP ...
... not place your home, keeping you have questions, call Honeywell Inc. Contact your Jocal waste management authority for instructions regarding the recycling and proper disposal of your new Honeywell MagicStat@ programmable thermostat. DRILL WITH 3/16 INCH DRILL BIT, IF NEEDED, TO... a.m.-53O p.m., Central time. @ RECYCLING THERMOSTAT If this manual. Direct any questions concerning the application of this thermostat to Honeywell Customer Assistance at 1-800-468-1502. O STEP 9 Mount The Thermostat 24 STEP 10 Check Thermostat Operation After Programming And installing 25 STEP ...
Owner's Manual
Page 3
~ Prepare For Installation u Check Table 1 to make certain that your new thermostat. System Type Gas-Standin~ Pilot Compatible With CT2400 Yes Gas-Electro~c Ignition Gas-Fired Boilers EA A Gas-Millivolt Oil-Fired Boilers OWired Furnace Electric Furnace Electric Air Conditioning Baseboard ... ~Compatible with hot water baseboard systems. Will not work efficiently on the cover. save the package of the new thermostat. If there are six or more information, call Honeywell Customer Assistance, toll-free 1-800-468-1502. If there is an extra wire that is not connected to make sure...
~ Prepare For Installation u Check Table 1 to make certain that your new thermostat. System Type Gas-Standin~ Pilot Compatible With CT2400 Yes Gas-Electro~c Ignition Gas-Fired Boilers EA A Gas-Millivolt Oil-Fired Boilers OWired Furnace Electric Furnace Electric Air Conditioning Baseboard ... ~Compatible with hot water baseboard systems. Will not work efficiently on the cover. save the package of the new thermostat. If there are six or more information, call Honeywell Customer Assistance, toll-free 1-800-468-1502. If there is an extra wire that is not connected to make sure...
Owner's Manual
Page 4
... the batteries as soon as long, and may be seen individually on the wall. "bAt Lo" will stay on without flashing, indicating the thermostat and heating/cooling system have stopped working and the batteries are running low, a "bAt Lo" indicator will not have to reprogram. If you... battery door. If you leave to prevent the system from shutting down on the wall, skip to page 8, and return later to program the thermostat after the indicator starts flashing. As a precaution, when leaving home for various times of battery power. The following personal programming chart (pages 10 ...
... the batteries as soon as long, and may be seen individually on the wall. "bAt Lo" will stay on without flashing, indicating the thermostat and heating/cooling system have stopped working and the batteries are running low, a "bAt Lo" indicator will not have to reprogram. If you... battery door. If you leave to prevent the system from shutting down on the wall, skip to page 8, and return later to program the thermostat after the indicator starts flashing. As a precaution, when leaving home for various times of battery power. The following personal programming chart (pages 10 ...
Owner's Manual
Page 5
If you decide not to program the thermostat, it will copy to program the thermostat, it . When pressing the keys, use the ball of sharp fingernails or pencil points can damage the keypad. Use of your requirements will automatically control ... "SLEEP program all periods if your schedule does not require it will probably be set one schedule for weekdays and another for the weekends, the thermostat will copy to enter weekend programs, SLEEP from the weekday program will automatically control heating at 68° F [20° C], and cooling at 78°...
If you decide not to program the thermostat, it will copy to program the thermostat, it . When pressing the keys, use the ball of sharp fingernails or pencil points can damage the keypad. Use of your requirements will automatically control ... "SLEEP program all periods if your schedule does not require it will probably be set one schedule for weekdays and another for the weekends, the thermostat will copy to enter weekend programs, SLEEP from the weekday program will automatically control heating at 68° F [20° C], and cooling at 78°...
Owner's Manual
Page 6
...set any higher than 88° F [31 0 C] or any lower than 45° F [7° C] NOTE: If you decide not to program the thermostat, it will automatically control heating at 68° F [20° C], and cooling at COOL, follow the same instructions as desired. at the bottom. Weekdays ...Ahead Warmer Use c 1 to program "WAKE time and 0 to OFF. Ahead Press ~cC~~Ub 1until "WAKE," Temp "SA SU" and "SET" appear on thermostat left side) using a coin at HEAT, press and releasec~~uk1once. Cooler Cooling Program With system switch at 78° F [26° C], 24 hours a day...
...set any higher than 88° F [31 0 C] or any lower than 45° F [7° C] NOTE: If you decide not to program the thermostat, it will automatically control heating at 68° F [20° C], and cooling at COOL, follow the same instructions as desired. at the bottom. Weekdays ...Ahead Warmer Use c 1 to program "WAKE time and 0 to OFF. Ahead Press ~cC~~Ub 1until "WAKE," Temp "SA SU" and "SET" appear on thermostat left side) using a coin at HEAT, press and releasec~~uk1once. Cooler Cooling Program With system switch at 78° F [26° C], 24 hours a day...
Owner's Manual
Page 7
...In the unlikely event that you are installing it will allow the fan to normal program or start program - it on another type of the thermostat. p;~~m . (If using Temporarily Change or Hold, pressing this will Cmlar n show on page 17) is an electric heat system, set ... shown in ). 16 in the illustration, (page 17) as applicable. p;~~m . ~ : Customem r Assistance _ Adjust Fan Operation Switch, As Required D The thermostat fan operation switch, labeled FUEL SWITCH (see each time and temperature; This is the correct setting for most systems. If your change . The system on...
...In the unlikely event that you are installing it will allow the fan to normal program or start program - it on another type of the thermostat. p;~~m . (If using Temporarily Change or Hold, pressing this will Cmlar n show on page 17) is an electric heat system, set ... shown in ). 16 in the illustration, (page 17) as applicable. p;~~m . ~ : Customem r Assistance _ Adjust Fan Operation Switch, As Required D The thermostat fan operation switch, labeled FUEL SWITCH (see each time and temperature; This is the correct setting for most systems. If your change . The system on...
Owner's Manual
Page 8
...mounting screws into drilled holes until flush with the wall. LEVEL ( HI la El ) II '' ,[ ~: ,1= M1714A 19 NOTE: This thermostat does not have a setting for appearance only; Use a pencil to make sure mounting plate is level. u Reposition mounting plate over holes, ... through wiring opening. u Level for steam/gravity air. IMPORTANT: When using a high efficiency furnace such as plaster or wood, drill 7/32 inch holes. thermostat will function properly even when not level. Tighten mounting screws. Plate ~/ ;&ORS (2) 'b 18 - -. - -. •l Remove mounting plate from wall...
...mounting screws into drilled holes until flush with the wall. LEVEL ( HI la El ) II '' ,[ ~: ,1= M1714A 19 NOTE: This thermostat does not have a setting for appearance only; Use a pencil to make sure mounting plate is level. u Reposition mounting plate over holes, ... through wiring opening. u Level for steam/gravity air. IMPORTANT: When using a high efficiency furnace such as plaster or wood, drill 7/32 inch holes. thermostat will function properly even when not level. Tighten mounting screws. Plate ~/ ;&ORS (2) 'b 18 - -. - -. •l Remove mounting plate from wall...
Owner's Manual
Page 11
... the primary control such as the gas valve, zone valve,or oil burner control. B. Heating should start and the fan should shut off. THERMOSTAT AND MOUNTING PLATE. _ Mount The Thermostat A. Press key until setting is about 10° F [6° C] above room temperature. PRESS LOWER EDGE OF CASE TO blTCH. 1 J,(4 + NOTE: To remove...
... the primary control such as the gas valve, zone valve,or oil burner control. B. Heating should start and the fan should shut off. THERMOSTAT AND MOUNTING PLATE. _ Mount The Thermostat A. Press key until setting is about 10° F [6° C] above room temperature. PRESS LOWER EDGE OF CASE TO blTCH. 1 J,(4 + NOTE: To remove...
Owner's Manual
Page 12
...will turn on ~ automatically-with furnace. The system and fan should be off . FAN ON: The fan runs continuously. COOL: The thermostat controls your heating system. Move the system switch to OFF with furnace only. NOTE: When cooling setting is about 10° F [6°... set the system switch. Temp Coolar n Temp Warmer n 26 Press key until the setting is below room temperature. HEAT: The thermostat controls your air conditioning system. COOLING To avoid possible compressor damage, do not operate the cooling system when outside temperature is about 10...
...will turn on ~ automatically-with furnace. The system and fan should be off . FAN ON: The fan runs continuously. COOL: The thermostat controls your heating system. Move the system switch to OFF with furnace only. NOTE: When cooling setting is about 10° F [6°... set the system switch. Temp Coolar n Temp Warmer n 26 Press key until the setting is below room temperature. HEAT: The thermostat controls your air conditioning system. COOLING To avoid possible compressor damage, do not operate the cooling system when outside temperature is about 10...
Owner's Manual
Page 13
...than current temperature, and SYSTEM ON indicator is installed. If air conditioner does not come on . If 2- s Press RUN PROGRAM key to reset thermostat. See I f desired, change occurs at the register. (Check to OFF for the period in time delay on cooling. Insert batteries backward forat least.... You have reached its high limit temperature protection and shut down. The setting range is lit, contact Honeywell Consumer Assistance at 1-800-468-1502. Be sure that switch on thermostat is set to ten minutes after the ten minutes and the SYSTEM ON indicator is 45° F ...
...than current temperature, and SYSTEM ON indicator is installed. If air conditioner does not come on . If 2- s Press RUN PROGRAM key to reset thermostat. See I f desired, change occurs at the register. (Check to OFF for the period in time delay on cooling. Insert batteries backward forat least.... You have reached its high limit temperature protection and shut down. The setting range is lit, contact Honeywell Consumer Assistance at 1-800-468-1502. Be sure that switch on thermostat is set to ten minutes after the ten minutes and the SYSTEM ON indicator is 45° F ...
Owner's Manual
Page 14
.... s Make sure hole behind the wallplate has been plugged with insulation to 30 minutes after the recovery period. s Readjust system on thermostat display. - Before you call Honeywell Customer Assistance toll-free at 1-800-4681502, Monday-Friday, 7:00 a.m. -5:30 p.m. If additional assistance is factory-calibrated, and cannot be adjusted. 32 Toll-free Customer...
.... s Make sure hole behind the wallplate has been plugged with insulation to 30 minutes after the recovery period. s Readjust system on thermostat display. - Before you call Honeywell Customer Assistance toll-free at 1-800-4681502, Monday-Friday, 7:00 a.m. -5:30 p.m. If additional assistance is factory-calibrated, and cannot be adjusted. 32 Toll-free Customer...
