Owner's Manual
Page 1
... the above . u SawrQSfciTv4c=3A-CUIy' l&F [5-C] decrease. 2 so% 3 ~za% H fi Q Thermostat patents pending. 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, excluding battery, to be to repair or...
... the above . u SawrQSfciTv4c=3A-CUIy' l&F [5-C] decrease. 2 so% 3 ~za% H fi Q Thermostat patents pending. 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, excluding battery, to be to repair or...
Owner's Manual
Page 2
... recycling and proper disposal of your new Honeywell MagicStat@ programmable thermostat. we recommend Energizer batteries. ~ "(~, CROSS-RECESSED SCREWDRIVER iiAND OR POWER . at 1-800-468-1502, Monday-Friday 7:00 a.m.-53O p.m., Central time. @ RECYCLING THERMOSTAT If this manual. wo-0. Your new thermostat will automatically control the temperature in your old thermostat in the trash. MERCURY SWITCH M3701...
... recycling and proper disposal of your new Honeywell MagicStat@ programmable thermostat. we recommend Energizer batteries. ~ "(~, CROSS-RECESSED SCREWDRIVER iiAND OR POWER . at 1-800-468-1502, Monday-Friday 7:00 a.m.-53O p.m., Central time. @ RECYCLING THERMOSTAT If this manual. wo-0. Your new thermostat will automatically control the temperature in your old thermostat in the trash. MERCURY SWITCH M3701...
Owner's Manual
Page 3
...the colors and terminal designation labels of screws, instructions and receipt. Six or more information, call Honeywell Customer Assistance at the fuse/circuit breaker panel. Three thermostat wires? stats for heating only and can operate the fan using electrical tape. Not compatible with...Honeywell Customer Assistance, toll-free 1-800-468-1502. The thermostat is an extra wire that has C or Cl Clock Terminals? ~ Prepare For Installation u Check Table 1 to make certain that your heating and cooling systems are working properly. System Type Gas-Standin~ Pilot Compatible With CT2400...
...the colors and terminal designation labels of screws, instructions and receipt. Six or more information, call Honeywell Customer Assistance at the fuse/circuit breaker panel. Three thermostat wires? stats for heating only and can operate the fan using electrical tape. Not compatible with...Honeywell Customer Assistance, toll-free 1-800-468-1502. The thermostat is an extra wire that has C or Cl Clock Terminals? ~ Prepare For Installation u Check Table 1 to make certain that your heating and cooling systems are working properly. System Type Gas-Standin~ Pilot Compatible With CT2400...
Owner's Manual
Page 4
...down on the wall. If you insert the new batteries within a: E=l INSTALL TWO AA ALKALINE /BATTEFIIESASStiOIAIN 20 to 30 seconds of the thermostat and heating/cooling system. Four time periods are oriented correctly. These periods can be seen individually on the display as long, and may ... the batteries sometime during weekdays - After the batteries are See pages 12 and 13 to reprogram. If you would prefer to program the thermostat after the indicator starts flashing. M171 7 - nonalkaline batteries will not last as you press the SET SCHEDULE key. As the batteries are...
...down on the wall. If you insert the new batteries within a: E=l INSTALL TWO AA ALKALINE /BATTEFIIESASStiOIAIN 20 to 30 seconds of the thermostat and heating/cooling system. Four time periods are oriented correctly. These periods can be seen individually on the display as long, and may ... the batteries sometime during weekdays - After the batteries are See pages 12 and 13 to reprogram. If you would prefer to program the thermostat after the indicator starts flashing. M171 7 - nonalkaline batteries will not last as you press the SET SCHEDULE key. As the batteries are...
Owner's Manual
Page 5
...heating at 68° F [20° C], and cooling at 78° F [26° C], 24 hours a day. Also, you desire for the weekends, the thermostat will automatically control heating at 68° F [20° C], and cooling at 78° F [26° C], 24 hours a day. 11 sleeping. (Again,...lower than 45° F [7° C]. For more comfortable sleeping, some people choose not to program the thermostat, it . Fill in the times and temperatures you do not need to program the thermostat, it will operate on the weekday "SLEEP program all periods if your finger or a soft pencil eraser....
...heating at 68° F [20° C], and cooling at 78° F [26° C], 24 hours a day. Also, you desire for the weekends, the thermostat will automatically control heating at 68° F [20° C], and cooling at 78° F [26° C], 24 hours a day. 11 sleeping. (Again,...lower than 45° F [7° C]. For more comfortable sleeping, some people choose not to program the thermostat, it . Fill in the times and temperatures you do not need to program the thermostat, it will operate on the weekday "SLEEP program all periods if your finger or a soft pencil eraser....
Owner's Manual
Page 6
... . NOTE: Batteries are required for "LEAVE," "RETURN," "SLEEP." Repeat sequence for operation and programming. Repeat sequence u for programming your new thermostat. Follow instructions on thermostat left side) using a coin at HEAT, press and releasec~~uk1once. to program "WAKE temperature for Sat-Sun. Press and release pr&m to ... 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.
... . NOTE: Batteries are required for "LEAVE," "RETURN," "SLEEP." Repeat sequence for operation and programming. Repeat sequence u for programming your new thermostat. Follow instructions on thermostat left side) using a coin at HEAT, press and releasec~~uk1once. to program "WAKE temperature for Sat-Sun. Press and release pr&m to ... 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.
Owner's Manual
Page 7
... air, gas or oil heating system. Hold a Temperature Indefinitely- ~~~P , u press pJ& to perform the following: Temp u- 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; Setting the screw "out one turn" means turning the screw approximately 360° counterclockwise... system to "E. in ). in completely, then adjust for operating or making changes follows: NOTE: System switch must be optimized according to the type of the thermostat.
... air, gas or oil heating system. Hold a Temperature Indefinitely- ~~~P , u press pJ& to perform the following: Temp u- 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; Setting the screw "out one turn" means turning the screw approximately 360° counterclockwise... system to "E. in ). in completely, then adjust for operating or making changes follows: NOTE: System switch must be optimized according to the type of the thermostat.
Owner's Manual
Page 8
... such as marked. E [G- LEVEL ( HI la El ) II '' ,[ ~: ,1= M1714A 19 Cycles would not be long enough for appearance only; THERMOSTAT BACK .------ 1 T- Use a level to mark the two mounting holes. Use a pencil to make sure mounting plate is level. Plate ~/ ;&ORS (2)... r- ; 1 -A F~IE " :--- - ~ : 1 IR 19), Rc : ilil --____ Q J:_--_-_-y-::-:-''Jl~__l;fliJ- __; 17 ' ~ Mount Thermostat Mounting ~ Position mounting plate on wall. Loosely insert two mounting screws into drilled holes until flush with the wall. u Level for accurate temperature control...
... such as marked. E [G- LEVEL ( HI la El ) II '' ,[ ~: ,1= M1714A 19 Cycles would not be long enough for appearance only; THERMOSTAT BACK .------ 1 T- Use a level to mark the two mounting holes. Use a pencil to make sure mounting plate is level. Plate ~/ ;&ORS (2)... r- ; 1 -A F~IE " :--- - ~ : 1 IR 19), Rc : ilil --____ Q J:_--_-_-y-::-:-''Jl~__l;fliJ- __; 17 ' ~ Mount Thermostat Mounting ~ Position mounting plate on wall. Loosely insert two mounting screws into drilled holes until flush with the wall. u Level for accurate temperature control...
Owner's Manual
Page 11
... 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. Instead, jumper R and W wires at the ...valve,or oil burner control. Press key until setting is about 10° F [6° C] above room temperature. This will damage the thermostat. Temp Warmer c1 Temp Cooler o 25 Move the system switch to HEAT and the fan switch to AUTO. ENGAGE TABS AT TOP OF ...
... 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. Instead, jumper R and W wires at the ...valve,or oil burner control. Press key until setting is about 10° F [6° C] above room temperature. This will damage the thermostat. Temp Warmer c1 Temp Cooler o 25 Move the system switch to HEAT and the fan switch to AUTO. ENGAGE TABS AT TOP OF ...
Owner's Manual
Page 12
...furnace. This delay protects the compressor. Exception: When Fan Operation Switch on back of thermostat is changed, thermostat may delay up to "E" position (see page 16), fan will turn on the air conditioner. COOL: The thermostat controls your heating system. C:ol 0/ H~at AUTO.. . See compressor manufacturer instructions for... two-speed fan will run on high with air conditioner and on FAN AUTO: Normal setting for further information. HEAT: The thermostat controls your air conditioning system. Move the system switch to COOL and the fan switch to OFF with furnace only. FAN ON...
...furnace. This delay protects the compressor. Exception: When Fan Operation Switch on back of thermostat is changed, thermostat may delay up to "E" position (see page 16), fan will turn on the air conditioner. COOL: The thermostat controls your heating system. C:ol 0/ H~at AUTO.. . See compressor manufacturer instructions for... two-speed fan will run on high with air conditioner and on FAN AUTO: Normal setting for further information. HEAT: The thermostat controls your air conditioning system. Move the system switch to COOL and the fan switch to OFF with furnace only. FAN ON...
Owner's Manual
Page 13
... temperature, and SYSTEM ON indicator is lit, move system switch from the registers. ture, and SYSTEM ON indicator is lit, contact Honeywell Consumer Assistance at the register. (Check to COOL. : Check the system fuse or circuit breaker and replace or reset if necessary....C]. Jumper wires R and W. Temperature display will not come on after changing the setting before checking for correct wiring and good connections. The thermostat has a built-in question. If display is blank or says "bAt Lo," install fresh batteries. Troubleshooting Guide IF... Insert batteries backward forat...
... temperature, and SYSTEM ON indicator is lit, move system switch from the registers. ture, and SYSTEM ON indicator is lit, contact Honeywell Consumer Assistance at the register. (Check to COOL. : Check the system fuse or circuit breaker and replace or reset if necessary....C]. Jumper wires R and W. Temperature display will not come on after changing the setting before checking for correct wiring and good connections. The thermostat has a built-in question. If display is blank or says "bAt Lo," install fresh batteries. Troubleshooting Guide IF... Insert batteries backward forat...
Owner's Manual
Page 14
... setting does not mstch the display temperature to the thermostat. Before you call Honeywell Customer Assistance toll-free at 1-800-4681502, Monday-Friday, 7:00 a.m. -5:30 p.m. NOTICE This equipment is plugged with insulation to differ on occasion. s Make sure hole ... is too short or too long. The furnace cycles too frequently, or the system cycle length is needed, call , please have the following information available: thermostat model number and date code, kind of heating/cooling system (i.e., hot water, warm air, oil, gas, etc.), and number of wires connected to within t 10...
... setting does not mstch the display temperature to the thermostat. Before you call Honeywell Customer Assistance toll-free at 1-800-4681502, Monday-Friday, 7:00 a.m. -5:30 p.m. NOTICE This equipment is plugged with insulation to differ on occasion. s Make sure hole ... is too short or too long. The furnace cycles too frequently, or the system cycle length is needed, call , please have the following information available: thermostat model number and date code, kind of heating/cooling system (i.e., hot water, warm air, oil, gas, etc.), and number of wires connected to within t 10...