Honeywell CT3300 Support and Manuals

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Most Recent Honeywell CT3300 Questions

Bat Lo ,, Does Not Reset With New Batteries
bat lo ,, does not reset with new batteries
(Posted by zensgarden 7 years ago)
Thermostat Part
can I get a replacement cover for the program portion of the thermostat
(Posted by kathygary 7 years ago)
How Do I Unlatch A Honeywell Ct3300 Thermostat From Its Wall Plate?
The manual seems to indicate that the latch is on the bottom of the unit but I can't find it, even t...
(Posted by Davem37298 8 years ago)

Popular Honeywell CT3300 Manual Pages

Owner's Manual - Page 1

...® CT3300 Programmable Thermostat Installation and Programming Instructions Weekday/Weekend (5-day/2-day) Programmable Heat and/or Cool Low Voltage (20 to 30 Vac) Thermostat and Mounting Plate Model CT3300 Welcome to the world of Contents Installation 2 Programming 11 Operation 17 Change the clock for Daylight/ 17 Standard Time Set the Fan and System switches 17 Replace the...
Owner's Manual - Page 2

... Verify that you have the right thermostat Make sure that the CT3300 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 the CT3300, the table recommends an alternate Honeywell model. Fig. 1 MERCURY SWITCH Recycling thermostat If you are unsure what type...
Owner's Manual - Page 3

... the new thermostat. Honeywell recommends Energizer® batteries. • Screwdriver • Hand or power drill with either system, call a heating/air conditioning contractor-the problem may persist after you have the following parts: • Thermostat and mounting plate • Labels • Screws and anchors • Installation and Programming Instructions b. IMPORTANT: To...
Owner's Manual - Page 4

... progress Your wall should now look like Fig. 4. 4 INSTALLATION 69-0654-5 Step 2. b. d. Disconnect the wires from the old thermostat and wrap the wires around a pencil to the old thermostat. Inspect the old thermostat wiring. Do not label the wires by color. Remove the old thermostat Fig. 2 Fig. 3 M20140 Fig. 4 M19086 WIRES THROUGH WALL OPENING M20133 a. Turn off power to on...
Owner's Manual - Page 6

... degrees Fahrenheit (°F). d. To program the thermostat, see the instructions on page 12. 6 INSTALLATION 69-0654-5 Step 4. b. To install the batteries, see the instructions that your type of fuel that begin on page 8. Note: These screws are factory-set to find the correct settings. You can wait until the thermostat is set for your heating system uses: F-gas or...
Owner's Manual - Page 7

... table Note: Setting the screw "out one turn" means turning the screw 360° counter-clockwise, or one turn . b. Using the labels on the wires, match the letter of your old thermostat wire with an efficiency rating under 90%. (The furnace efficiency rating should be on the back of the old wires to connect all...
Owner's Manual - Page 8

... are now ready to program the thermostat. Install the batteries. Align the tabs at the top of the thermostat with the tabs at the top of the thermostat and heating/cooling system. Honeywell recommends using Energizer® batteries. The flashing continues until you begin to page 12. 69-0654-5 Replace the battery door. You are oriented...
Owner's Manual - Page 9

... and place them . Special wiring instructions A clock thermostat with C or C1 terminals A clock thermostat has one or two extra wires attached to the C or C1 terminals that allow these wires to the clock terminals marked C or C1. Wrap the wires separately, using the old thermostat's fan switch, the 3300 thermostat will NOT work with the installation as instructed on page 2 for...
Owner's Manual - Page 10

...See page 2 for an alternate thermostat model. *Remove factory-installed jumper between the R and Rc terminals (Fig. 15). Fig. 15 JUMPER (FACTORY- Power Power for cooling Heat Cooling Fan Changeover in cool (O terminal) or changeover in 5-wire systems. 10 INSTALLATION 69-0654-5 Five wires connected to the old thermostat Your new thermostat has a factory-installed metal jumper between R and...
Owner's Manual - Page 11

... Cooler Hold Temp 16 2 Weekend Schedule Clear Usage Present Setting 17 1 Fan Auto On System Cool Off Heat 18 CT3300 WITH DOOR CLOSED 19 M20161 Descriptions 1 Fan switch-Selects ...(page 21). 15 Run Program-Returns thermostat to operating mode. 16 Hold Temp-Holds a selected temperature (page 19). 17 Present Setting-Displays the temperature setting for the current program period (page...
Owner's Manual - Page 12

... is displayed. Fig. 17 b. Fig. 19 Step 2. Press once. Learn about the programming features Your CT3300 thermostat allows you to program schedules for both a heating season and a cooling season. • During the heating season, you can set up to four program periods for the weekends (Saturday and Sunday). Press and hold or until...
Owner's Manual - Page 17

...continuously only if the fan wire has been connected to AUTO. Press until the correct time is displayed. Set the Fan and System ...setting is the normal setting for most homes. Set the Fan switch first and then set the System switch. Operation Change the clock for more efficient air cleaning. Switch Fan Setting Result Auto On A single-speed fan turns on the bottom of the thermostat...
Owner's Manual - Page 18

... air conditioning systems are : You should: Flashing "bAt Lo" Low Replace the batteries as soon as marked inside the battery case. Replace the batteries As the batteries run low, your thermostat shows the following in the OFF position. Your heating/cooling system is set the System switch to OFF, insert the batteries backwards, wait...
Owner's Manual - Page 22

... period in question. Replace the batteries correctly. The setting range is blank or displays "bAt Lo," install fresh batteries. • Allow time for the furnace to heat up and the fan to HEAT. • Check the system fuse or circuit breaker and replace or reset if necessary. • Check for correct wiring and good connections...
Owner's Manual - Page 23

... assistance, call , please have the following information available: • Thermostat model number and serial code (located under the battery cover) • Type of heating/cooling system (hot water, warm air, oil, gas, etc.) • Number of the thermostat as instructed on the back of wires connected to the thermostat NOTICE: This equipment is a Class B digital apparatus, which...

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