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Honeywell CT3300 Support Question

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Question posted by dianedalessio on November 20th, 2014

We Have A Ct3300 Thermostat And It Will Not Hold The Program.

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Related Honeywell CT3300 Manual Pages

Owner's Manual - Page 1

... 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) 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...

Owner's Manual - Page 2

...or backup heat. Heating/cooling system Conventional Single stage systems that the CT3300 is the right thermostat for your local waste management authority for 240 volts No CT3600 No ...Yes No CT1950 for instructions regarding recycling and the proper disposal of thermostat is not compatible with the CT3300, the table recommends an alternate Honeywell model. Contact your heating/cooling...

Owner's Manual - Page 3

...Make sure that your receipt and make sure you install the new thermostat. Gather the needed tools and supplies listed below 50°F (... tape c. Save your heating and cooling systems are working properly. If there is below . Carefully unpack your new thermostat. Step 1. Honeywell recommends Energizer® batteries. • Screwdriver • Hand or power drill with either system,...

Owner's Manual - Page 4

..., excluding wires attached to C or C1 terminals. • The old thermostat has 3 wires. • There are 5 wires connected to on the old thermostat (Fig. 3). b. d. If the wiring meets any of the following conditions... to keep them from the wall, but do not match the letters on the old thermostat terminals, see the special wiring instructions on page 10. Remove the cover of the terminal...

Owner's Manual - Page 5

... the wiring opening, and loosely insert the mounting screws into the drilled holes until they are trapped behind it. d. Separate the mounting plate from the thermostat using a coin, as shown in drywall, gently tap the anchors that were provided into each of the wires are flush with the wall. e. b. Make sure...

Owner's Manual - Page 6

...TURN SCREW B-IN FUEL SWITCH - To install the batteries, see the instructions that your thermostat now, or you want to display the temperature in degrees Fahrenheit (°F). a. Note: ... in the temperature of heating system. b. To program the thermostat, see the instructions on the back of the thermostat to maintain accurate temperature control, minimize swings in degrees...

Owner's Manual - Page 7

Hold the thermostat as a 90% or greater AFUE (Average Fuel Utilization Efficiency) unit Hot water boiler Electric furnace Screws A and B Use ...a. d. Type of system Warm air, gas, or oil heating system with the corresponding terminal on the back of your old thermostat wire with an efficiency rating under 90%. (The furnace efficiency rating should be on the wires, match the letter of the ...

Owner's Manual - Page 8

...). Press the lower edge of the case to page 12. 69-0654-5 M20130 Step 7. Go to latch the bottom of the thermostat (Fig. 12). a. c. Replace the battery door. You are now ready to program the thermostat. Install the batteries. Honeywell recommends using Energizer® batteries. e. Step 6. b. The flashing continues until you begin to...

Owner's Manual - Page 9

... work with your system. Make sure that do not connect to insulate the wires. d. Tape off . b. Wrap the wires separately, using the old thermostat's fan switch, the 3300 thermostat will not connect these wires to the clock terminals marked C or C1. Continue the installation procedure on page 2 for installation assistance. These wires...

Owner's Manual - Page 10

...- See page 2 for cooling Heat Cooling Fan Changeover in cool (O terminal) or changeover in 5-wire systems. 10 INSTALLATION 69-0654-5 See page 2 for an alternate thermostat model. *Remove factory-installed jumper between the R and Rc terminals (Fig. 15). INSTALLED). Transformer common. Second stage heat (W2, H2) or second stage cooling (Y2...

Owner's Manual - Page 11

...Ahead Warmer Run Program 15 3 Weekday Schedule Back Cooler Hold Temp 16 2 Weekend Schedule Clear Usage Present Setting 17 1 Fan Auto On System Cool Off Heat 18 CT3300 WITH DOOR ... 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 20...

Owner's Manual - Page 12

...programming features Your CT3300 thermostat allows you will want to program schedules for the weekends (Saturday and Sunday). c. For each season, you can set up to four program periods for the weekdays (Monday-Friday), and up to two program... page. 12 PROGRAMMING 69-0654-5 Step 1. Press once. Press and hold or until the current time is displayed. Press and hold or until the...

Owner's Manual - Page 13

...°C) and cooling at a comfortable temperature for this period. If you decide not to program your thermostat, it will remain in effect until you reach the program period where you left off. 69-0654-5 PROGRAMMING 13 Use of your home. Program period WAKE LEAVE RETURN SLEEP Description The time when you get up and get...

Owner's Manual - Page 14

... the Monday-Friday WAKE temperature by pressing or until the desired temperature is displayed (Fig. 20). A blank schedule is displayed. Set the System switch to program for your heating schedule. Set the Monday-Friday WAKE time by pressing or until the desired time is displayed (Fig. 21). SLEEP 10:00 PM...

Owner's Manual - Page 16

... c. Set the System switch to AUTO. Repeat steps 3c. Set the System switch to COOL and the Fan switch to program the weekday and weekend cooling schedule. Press until the setting is 10°F (6°C) above room temperature (Fig. 25... should shut off. Note: When the cooling setting is changed, the thermostat may delay up to 5 minutes before turning on the air conditioner.

Owner's Manual - Page 17

...the Fan switch to the G terminal on the bottom of the thermostat faceplate (Fig. 16 page 11) control the operation of the thermostat. 69-0654-5 OPERATION 17 Press once. b. c. A two-speed... set the System switch. The time is the normal setting for most homes. Press and hold or until the setting is displayed. f. The cooling system and fan should stop. Operation ...

Owner's Manual - Page 18

..." continues to display after replacing the batteries, set the System switch to reprogram the thermostat. Dead Replace the batteries immediately. Press on the left side of removing the old ...If you will not have to begin reprogramming. Switch System Setting Result Cool The thermostat controls your heating system. Make sure that the positive and negative terminals are dead...

Owner's Manual - Page 19

... the desired temperature is The display shows the SET temperature for the current program period only. Note: A temporary change to the temperature lasts for a few seconds and then resumes reading the current room temperature. Hold a temperature indefinitely Use the Hold Temp feature when you want to the schedule. The TEMPORARY indicator is temporary...

Owner's Manual - Page 22

...not go lower than 45°F (7°C) or higher than 88°F (31°C) during programming Display shows flashing or steady "bAt Lo" Temperature change occurs at the register. • If the... setting is higher than the current room temperature and the SYSTEM ON arrow is displayed, the thermostat is 45°F-88°F (7°C-31°C). • The batteries are fresh and installed correctly...

Owner's Manual - Page 23

... lower than the current room temperature and the SYSTEM ON arrow is displayed, the thermostat is blank or says "bAt Lo," install fresh batteries. Press to 30 minutes after... COOL. Before you need additional assistance, call , please have the following information available: • Thermostat model number and serial code (located under the battery cover) • Type of heating/cooling system...