Owner's Manual
Page 1
... home, keeping you have any questions about using this thermostat, visit our home expert Web site at www.honeywell.com/yourhome or call Honeywell Customer Relations at 1-800-468-1502. MagicStat® CT3300 Programmable Thermostat Installation and Programming Instructions Weekday/Weekend (5-day/2-day) Programmable Heat and/or Cool Low Voltage (20 to 30 Vac...
... home, keeping you have any questions about using this thermostat, visit our home expert Web site at www.honeywell.com/yourhome or call Honeywell Customer Relations at 1-800-468-1502. MagicStat® CT3300 Programmable Thermostat Installation and Programming Instructions Weekday/Weekend (5-day/2-day) Programmable Heat and/or Cool Low Voltage (20 to 30 Vac...
Owner's Manual
Page 2
... for 240 volts No CT3600 No CT3600 No CT3611 No See your system, visit us on the Web at www.honeywell.com/yourhome or call Honeywell Customer Relations at 1-800-468-1502. Heating/cooling system Conventional Single stage systems that contains mercury in a sealed tube...thermostat is right for your system is the right thermostat for your contractor 2 INSTALLATION 69-0654-5 Multistage Heat Pump Heating and cooling are produced from the same outdoor unit (compressor) with CT3300? M3701 Installation Verify that you have . Read the compatibility chart below to 240 volts....
... for 240 volts No CT3600 No CT3600 No CT3611 No See your system, visit us on the Web at www.honeywell.com/yourhome or call Honeywell Customer Relations at 1-800-468-1502. Heating/cooling system Conventional Single stage systems that contains mercury in a sealed tube...thermostat is right for your system is the right thermostat for your contractor 2 INSTALLATION 69-0654-5 Multistage Heat Pump Heating and cooling are produced from the same outdoor unit (compressor) with CT3300? M3701 Installation Verify that you have . Read the compatibility chart below to 240 volts....
Owner's Manual
Page 3
... tools and supplies • Two AA alkaline batteries. If there is below . Save your receipt and make sure you install the new thermostat. Make sure that your new thermostat. Honeywell recommends Energizer® batteries. • Screwdriver • Hand or power drill with either system, call a heating/air conditioning contractor-the problem may...
... tools and supplies • Two AA alkaline batteries. If there is below . Save your receipt and make sure you install the new thermostat. Make sure that your new thermostat. Honeywell recommends Energizer® batteries. • Screwdriver • Hand or power drill with either system, call a heating/air conditioning contractor-the problem may...
Owner's Manual
Page 4
... your old thermostat contains mercury, you must recycle it is a clock thermostat with the letter of your progress Your wall should now look like Fig. 4. 4 INSTALLATION 69-0654-5 Remove the old thermostat Fig. 2 Fig. 3 M20140 Fig. 4 M19086 WIRES THROUGH WALL OPENING M20133 a. c. f. Unscrew and remove the old thermostat's mounting plate from...
... your old thermostat contains mercury, you must recycle it is a clock thermostat with the letter of your progress Your wall should now look like Fig. 4. 4 INSTALLATION 69-0654-5 Remove the old thermostat Fig. 2 Fig. 3 M20140 Fig. 4 M19086 WIRES THROUGH WALL OPENING M20133 a. c. f. Unscrew and remove the old thermostat's mounting plate from...
Owner's Manual
Page 5
... plaster or wood, drill two 7/32 inch holes. e. Position the mounting plate on the wall and should look like Fig. 7. 69-0654-5 Y G Rc RW M20128 INSTALLATION 5 Level the mounting plate and use a pencil to mark the center of the mounting plate's screw holes. d. Make sure the mounting plate is level and... tighten the mounting screws. ✓ Check your progress The mounting plate is now mounted on the wall. c. Install the mounting plate Fig. 5 Fig. 6 M20139 M20129 Fig. 7 a. f. b. If...
... plaster or wood, drill two 7/32 inch holes. e. Position the mounting plate on the wall and should look like Fig. 7. 69-0654-5 Y G Rc RW M20128 INSTALLATION 5 Level the mounting plate and use a pencil to mark the center of the mounting plate's screw holes. d. Make sure the mounting plate is level and... tighten the mounting screws. ✓ Check your progress The mounting plate is now mounted on the wall. c. Install the mounting plate Fig. 5 Fig. 6 M20139 M20129 Fig. 7 a. f. b. If...
Owner's Manual
Page 6
... is set your type of the thermostat to display the temperature in degrees Fahrenheit (°F). Use the FUEL SWITCH on page 12. 6 INSTALLATION 69-0654-5 c. If you can install the batteries and program your thermostat now, or you want to set for your new thermostat for the type of fuel that begin..., gas, or oil heating system. Note: These screws are factory-set your new thermostat for your heating system uses: F-gas or oil, or E-electricity. To install the batteries, see the instructions that your type of heating system.
... is set your type of the thermostat to display the temperature in degrees Fahrenheit (°F). Use the FUEL SWITCH on page 12. 6 INSTALLATION 69-0654-5 c. If you can install the batteries and program your thermostat now, or you want to set for your new thermostat for the type of fuel that begin..., gas, or oil heating system. Note: These screws are factory-set your new thermostat for your heating system uses: F-gas or oil, or E-electricity. To install the batteries, see the instructions that your type of heating system.
Owner's Manual
Page 7
...%. (The furnace efficiency rating should be on the back of your new thermostat. Securely tighten the terminals. 69-0654-5 END OF WIRE VISIBLE HERE M20126 INSTALLATION 7 b. See the wiring cross reference table on the new thermostat terminals, you might not need to the new thermostat. Type of the old wires to...
...%. (The furnace efficiency rating should be on the back of your new thermostat. Securely tighten the terminals. 69-0654-5 END OF WIRE VISIBLE HERE M20126 INSTALLATION 7 b. See the wiring cross reference table on the new thermostat terminals, you might not need to the new thermostat. Type of the old wires to...
Owner's Manual
Page 8
... the case to flash a default time and the current temperature (Fig. 14). Install the batteries Fig. 13 Fig. 14 M1719C REMOVING BATTERY DOOR 8 INSTALLATION M20131 IMPORTANT: Batteries must be installed for programming and operation of the thermostat and heating/cooling system. Honeywell recommends using Energizer® batteries. The flashing continues until you begin to...
... the case to flash a default time and the current temperature (Fig. 14). Install the batteries Fig. 13 Fig. 14 M1719C REMOVING BATTERY DOOR 8 INSTALLATION M20131 IMPORTANT: Batteries must be installed for programming and operation of the thermostat and heating/cooling system. Honeywell recommends using Energizer® batteries. The flashing continues until you begin to...
Owner's Manual
Page 9
... the wires where they will NOT work with your heating/cooling system is turned off the wires with the installation as instructed on page 4, step 2e. 69-0654-5 INSTALLATION 9 Wires that are not connected to the old thermostat If there are extra wires that are not used during...heating only and can operate the fan using the old thermostat's fan switch, the 3300 thermostat will not interfere with your heating contractor for installation assistance. As you have a three-wire heating-only system and cannot operate the fan using the old thermostat's fan switch, the 3300...
... the wires where they will NOT work with your heating/cooling system is turned off the wires with the installation as instructed on page 4, step 2e. 69-0654-5 INSTALLATION 9 Wires that are not connected to the old thermostat If there are extra wires that are not used during...heating only and can operate the fan using the old thermostat's fan switch, the 3300 thermostat will not interfere with your heating contractor for installation assistance. As you have a three-wire heating-only system and cannot operate the fan using the old thermostat's fan switch, the 3300...
Owner's Manual
Page 10
...cooling Heat Cooling Fan Changeover in cool (O terminal) or changeover in 5-wire systems. 10 INSTALLATION 69-0654-5 Transformer common. Five wires connected to wire the new thermostat. Fig. 15 JUMPER (FACTORY- INSTALLED). REMOVE IF 5-WIRE SYSTEM R Rc WY G M20127 Old thermostat terminals that do not... match new thermostat terminals Use the table below to the old thermostat Your new thermostat has a factory-installed metal jumper between R and Rc terminals in heat (B terminal). Second stage heat (W2, H2) or second stage cooling (Y2). ...
...cooling Heat Cooling Fan Changeover in cool (O terminal) or changeover in 5-wire systems. 10 INSTALLATION 69-0654-5 Transformer common. Five wires connected to wire the new thermostat. Fig. 15 JUMPER (FACTORY- INSTALLED). REMOVE IF 5-WIRE SYSTEM R Rc WY G M20127 Old thermostat terminals that do not... match new thermostat terminals Use the table below to the old thermostat Your new thermostat has a factory-installed metal jumper between R and Rc terminals in heat (B terminal). Second stage heat (W2, H2) or second stage cooling (Y2). ...
Owner's Manual
Page 18
...shows the following in the thermostat. Press on the left side of removing the old ones, you will not have to begin reprogramming. Install the new batteries. See page 12 to reprogram. Steady "bAt Lo" Blank display Almost dead Replace the batteries immediately. Your heating/cooling... ten seconds, and return the batteries to reprogram the thermostat. Make sure that the positive and negative terminals are dead or incorrectly installed and you will have to their correct orientation. Make sure that the System switch is blank, the batteries are oriented correctly as ...
...shows the following in the thermostat. Press on the left side of removing the old ones, you will not have to begin reprogramming. Install the new batteries. See page 12 to reprogram. Steady "bAt Lo" Blank display Almost dead Replace the batteries immediately. Your heating/cooling... ten seconds, and return the batteries to reprogram the thermostat. Make sure that the positive and negative terminals are dead or incorrectly installed and you will have to their correct orientation. Make sure that the System switch is blank, the batteries are oriented correctly as ...
Owner's Manual
Page 21
... has been running: • Since 12:00 AM today, press once (Fig. 32). • Since 12:00 AM yesterday, press twice (Fig. 33). • Since installation or since the last time you reset the cumulative usage counter (see below), press times. Press . Press to set the counter to display the cumulative...
... has been running: • Since 12:00 AM today, press once (Fig. 32). • Since 12:00 AM yesterday, press twice (Fig. 33). • Since installation or since the last time you reset the cumulative usage counter (see below), press times. Press . Press to set the counter to display the cumulative...
Owner's Manual
Page 22
...;F (7°C) or higher than the current room temperature and the SYSTEM ON arrow is displayed, the thermostat is blank or displays "bAt Lo," install fresh batteries. • Allow time for the furnace to heat up and the fan to ten seconds. Display will not come on . •... at the register. • If the temperature setting is 45°F-88°F (7°C-31°C). • The batteries are fresh and installed correctly. • Set the System switch to reset the thermostat. Replace the batteries correctly. Frequently asked questions If... The setting range is higher ...
...;F (7°C) or higher than the current room temperature and the SYSTEM ON arrow is displayed, the thermostat is blank or displays "bAt Lo," install fresh batteries. • Allow time for the furnace to heat up and the fan to ten seconds. Display will not come on . •... at the register. • If the temperature setting is 45°F-88°F (7°C-31°C). • The batteries are fresh and installed correctly. • Set the System switch to reset the thermostat. Replace the batteries correctly. Frequently asked questions If... The setting range is higher ...
Owner's Manual
Page 23
... and the SYSTEM ON arrow is displayed, the thermostat is set to prevent drafts that the System switch is operating correctly. If you call Honeywell Customer Relations at 1-800-468-1502, Monday-Friday, 7:00 AM-5:30 PM Central Time, or visit us at www....honeywell.com/yourhome. If... Then... Cooling will not come on page 7. If display is blank or says "bAt Lo," install fresh batteries. If desired, change the temperature setting. During recovery from setback or setup, setting and...
... and the SYSTEM ON arrow is displayed, the thermostat is set to prevent drafts that the System switch is operating correctly. If you call Honeywell Customer Relations at 1-800-468-1502, Monday-Friday, 7:00 AM-5:30 PM Central Time, or visit us at www....honeywell.com/yourhome. If... Then... Cooling will not come on page 7. If display is blank or says "bAt Lo," install fresh batteries. If desired, change the temperature setting. During recovery from setback or setup, setting and...