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Honeywell CT2400 Support Question

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Question posted by Billzee49 on March 28th, 2012

Battery Died And Tried To Program Now Only Stay On For The Set Temp

Battery died an problem programming can not get the temp to hold a constant temp

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Related Honeywell CT2400 Manual Pages

Owner's Manual - Page 1

... (20 to 30 Vat) Thermostat and Mounting Plate Model CT2400 PROGRAMMING AND INSTALLATION INSTRUCTIONS Limited One-Year Warranty Honeywell warrants this prcduct, excluding battery, to be to repair or... PRODUCT. u SawrQSfciTv4c=3A-CUIy' 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...

Owner's Manual - Page 2

...mercury switch in a thermostat. Also purchase two AA alkaline batteries; at 1-800-468-1502, Monday-Friday 7:00 a.m.-53O p.m., Central time. @ RECYCLING THERMOSTAT If this manual. ...THERMOSTAT UIall ulEa-'-U LEVEL, IF NEEDED, TO LEVEL THERMOSTAT FOR APPEARANCE 3 M378B O STEP 9 Mount The Thermostat 24 STEP 10 Check Thermostat Operation After Programming And installing 25 STEP 11 Set...

Owner's Manual - Page 3

System Type Gas-Standin~ Pilot Compatible With CT2400 Yes Gas-Electro~c Ignition Gas-Fired Boilers EA A Gas-Millivolt ...Compatible with hot water baseboard systems. Will not work , contact your local heating/air conditioning dealer. u Loosen screws holding thermostat to terminals), you may damage your transformer. Place the wires where they do not operate the cooling system when ...

Owner's Manual - Page 4

..." is the time period you can set for an energy-saving temperature while you are "bAt Lo" will stay on the wall, skip to page 8, and return later to reprogram. A u Purchase two AA alkaline batteries; If you would prefer to program the thermostat after the indicator starts flashing. O Replace battery door. As a precaution, when leaving home...

Owner's Manual - Page 5

... will copy to raise the cool temperature during weekdays would only require programs for weekdays and weekends. If you decide not to enter a time and temperature program for the weekends, the thermostat will copy to the weekend schedule. ~ The temperatures cannot be set any higher than 88° F [31 0 C] or any lower than 45...

Owner's Manual - Page 6

...sequence for programming your new thermostat. Ahead Press ~cC~~Ub 1until "WAKE," Temp "SA SU" and "SET" appear on pages 6 and 7. to program - then press p~lm . Use n Back o to set day, o Time Back n ~ pressandreleasewagain, V until current time shows; L-1 After programming, adjust fan and system switches as for Heating Program. When inserting batteries, set system...

Owner's Manual - Page 7

... System On-Time, As Required El The system on immedi- The "E setting will cancel your system is factory-set for Current Period Only- . Hold a Temperature Indefinitely- ~~~P , u press pJ& to normal program or start program - If you want longer furnace on the back of the thermostat. Use the heating system table shown in , B - in the illustration, (page...

Owner's Manual - Page 8

...screws into drilled holes until flush with the wall. THERMOSTAT BACK .------ 1 T- Plate ~/ ;&ORS (2) 'b... Level for accurate temperature control. thermostat will function properly even when not... IR 19), Rc : ilil --____ Q J:_--_-_-y-::-:-''Jl~__l;fliJ- __; 17 ' ~ Mount Thermostat Mounting ~ Position mounting plate on wall. Use a pencil to make sure mounting plate is level....

Owner's Manual - Page 11

PRESS LOWER EDGE OF CASE TO blTCH. 1 J,(4 + NOTE: To remove thermostat from wall, first pull out at bottom of thermostat, removing top last. *4 mm Check Thermostat Operation After Programming And Installing HEATING Do not check heating system operation by jumpering thermostat terminals at the thermostat. Temp Warmer c1 Temp Cooler o 25 Move the system switch to HEAT and the...

Owner's Manual - Page 12

... Switches ,tio on low with furnace. A two-speed fan will run on high with furnace only. COOL: The thermostat controls your heating system. C:ol 0/ H~at AUTO.. . Temp Coolar n Temp Warmer n 26 Press key until the setting is about 10° F [6° C] above room temperature. Move the system switch to five minutes before turning on...

Owner's Manual - Page 13

... a built-in question. Make sure outdoor disconnect is installed. s Press RUN PROGRAM key to reset thermostat. s I )age 14. Troubleshooting Guide IF... Heating will not come on . Remove batteries. If display is blank or says "bAt Lo," install fresh batteries. If temperature setting is 45° F to COOL position. If display is blank or says "bAt...

Owner's Manual - Page 14

... you call Honeywell Customer Assistance toll-free at 1-800-4681502, Monday-Friday, 7:00 a.m. -5:30 p.m. s Check that might adversely affect thermostat operation. If additional assistance is too short or too long. The thermostat current setting does not mstch the display temperature to within t 10. The furnace cycles too frequently, or the system cycle length...