Document Outline

• MagicStat® CT3300 Programmable Thermostat
  • Verify that you have the right thermostat
  • Step 1. Prepare for installation
    • a. Carefully unpack your new thermostat. Save your receipt and make sure you have the following p...
    • b. Gather the needed tools and supplies listed below.
    • c. Make sure that your heating and cooling systems are working properly. If there is a problem wi...
  • Step 2. Remove the old thermostat
  • Step 3. Install the mounting plate
  • Step 4. Set the thermostat for your type of heating system
    • Heating system table
      • Note: Setting the screw “out one turn” means turning the screw 360˚ counter-clockwise, or one com...
  • Step 5. Wire the thermostat terminals
  • Step 6. Mount the thermostat
  • Step 7. Install the batteries
  • 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 the cl...
        • a. Make sure that power to the heating/cooling system is turned off.
        • b. Locate the wires that are connected to the clock terminals marked C or C1.
        • c. As you disconnect the wires, do not allow these wires to touch.
        • d. Wrap the wires separately, using electrical tape to insulate the wires.
        • e. Place the wires where they will not interfere with the operation of the new thermostat. You wi...
        • f. Continue with the installation as instructed on page 4 at step 2e.
    • Six or more wires
      • If your old thermostat has six or more wires (excluding clock wires attached to the C or C1 termi...
    • Three thermostat wires
      • If you have three wires for heating only and can operate the fan using the old thermostat’s fan s...
    • Wires that are not connected to the old thermostat
      • If there are extra wires that do not connect to your old thermostat, do not label them. You will ...
    • Five wires connected to the old thermostat
      • Your new thermostat has a factory-installed metal jumper between the R and Rc terminals (Fig. 15)...
    • Old thermostat terminals that do not match new thermostat terminals
      • Use the table below to wire the new thermostat.
  • Step 1. Set the current time and day
  • Step 2. Learn about the programming features
    • Programming tips
  • Step 3. Program the heating schedule
    • a. Write in the times and temperatures that you want to program for your heating schedule.
  • Step 4. Program the cooling schedule
    • a. Write in the times and temperatures that you want to program for your cooling schedule.
    • b. Set the System switch to COOL.
    • c. Repeat steps 3c. through 3k. to program the weekday and weekend cooling schedule.
  • Step 5. Check out the system
  • Change the clock for Daylight/Standard Time
    • a. Press once. The time is displayed.
    • b. Press and hold or until the correct time is displayed.
    • c. Press once. The current time and day and the current temperature are displayed.
  • Set the Fan and System switches
  • Replace the batteries
    • a. Make sure that the System switch is set in the OFF position.
    • b. Open the battery door.
    • c. Press on the left side of the batteries to remove them.
    • d. Install the new batteries. Make sure that the positive and negative terminals are oriented cor...
    • e. Close the battery door and set the System switch to HEAT or COOL.
  • Override the program settings
    • Frequently asked questions
    • Customer assistance
      • For all questions concerning this thermostat, please read and follow the instructions. If you nee...
    • Recycling thermostat
      • If you are removing an old thermostat that contains mercury in a sealed tube (Fig. 1), do not pla...
        • a. Turn off power to the heating/cooling system, either at the furnace or at the fuse/circuit br...
        • b. Remove the cover of your old thermostat (Fig. 2).
        • c. Unscrew and remove the old thermostat’s mounting plate from the wall, but do not disconnect th...
        • d. Inspect the old thermostat wiring. If the wiring meets any of the following conditions, see th...
        • e. Using the enclosed labels, mark the wires with the letter of the terminal that it is attached ...
        • f. Disconnect the wires from the old thermostat and wrap the wires around a pencil to keep them f...
      • Your wall should now look like Fig. 4.
        • a. Separate the mounting plate from the thermostat using a coin, as shown in Fig 5.
        • b. Position the mounting plate on the wall. Be sure the mounting plate sits flush against the wal...
        • c. Level the mounting plate and use a pencil to mark the center of the mounting plate’s screw holes.
        • d. Remove the mounting plate and drill holes at the locations you marked.
        • e. If installing in drywall, gently tap the anchors that were provided into the drilled holes unt...
        • f. Reposition the mounting plate over the holes, pull the wires through the wiring opening, and l...
        • g. Make sure the mounting plate is level and tighten the mounting screws.
      • The mounting plate is now mounted on the wall and should look like Fig. 7.
        • a. Use the FUEL SWITCH on the back of the thermostat to set your new thermostat for the type of f...
        • b. Use the A and B screws on the back of the thermostat to set your new thermostat for your type ...
        • c. The thermostat is set to display the temperature in degrees Fahrenheit (˚F). If you want to di...
        • d. You can install the batteries and program your thermostat now, or you can wait until the therm...
        • a. Hold the thermostat as shown in Fig. 9.
        • b. Using the labels on the wires, match the letter of your old thermostat wire with the correspon...
        • c. Loosen the terminal screws and slip each wire beneath its matching terminal (Fig 10).
        • d. Securely tighten the terminals.
        • a. Align the tabs at the top of the thermostat with the tabs at the top of the mounting plate (Fi...
        • b. Press the lower edge of the case to latch the bottom of the thermostat (Fig. 12).
        • a. Make sure that the System switch is set in the OFF position.
        • b. Using a coin, open the battery door as shown in Fig. 13.
        • c. Install the batteries. Make sure that the positive and negative terminals are oriented correct...
        • d. Replace the battery door.
        • e. Remove the clear plastic label from the digital display.
      • When the batteries are installed correctly, the digital display flashes all entries once, then be...
    • Check how long heat/air conditioning has been running
      • To display the length of time that the heat or air conditioning has been running:
    • Reset the cumulative usage counter to zero
      • To clear the cumulative usage counter and start over at zero hours:
        • a. Press three times to display the cumulative reading.
        • b. Press to set the counter to zero (Fig. 34).
        • c. Press .
    • Change a program permanently
      • Follow the steps for programming the heating schedule or programming the cooling schedule on page...
        • a. Press once. The time is displayed (Fig. 17).
        • b. Press and hold or until the current time is displayed.
        • c. Press again. The day is displayed (Fig. 18).
        • d. Press and hold or until the current day is displayed.
        • e. Press once. The current time and day and the current temperature are displayed (Fig. 19).
        • b. Set the System switch to HEAT.
        • c. Press once. A blank schedule is displayed (Fig. 20).
        • d. Set the Monday–Friday WAKE time by pressing or until the desired time is displayed (Fig. 21).
        • e. Set the Monday–Friday WAKE temperature by pressing or until the desired temperature is displayed.
        • f. Press to display a blank schedule for the next program period (Fig. 22) and repeat steps d. th...
        • g. Press until the weekend schedule is displayed (Fig. 23).
        • h. Set the Saturday and Sunday WAKE time by pressing or until the desired time is displayed.
        • i. Set the Saturday and Sunday WAKE temperature by pressing or until the desired temperature is d...
        • j. Press again to display a blank schedule for the SLEEP program period and repeat steps h. throu...
        • k. Press to start the program.
    • Verify that your heating system works
      • a. Set the System switch to HEAT and the Fan switch to AUTO.
      • b. Press until the setting is 10˚F (6˚C) above room temperature (Fig. 25).
      • c. Press until the setting is 10˚F (6˚C) below room temperature.
    • Verify that your cooling system works
      • d. Set the System switch to COOL and the Fan switch to AUTO.
      • e. Press until the setting is 10˚F (6˚C) below room temperature (Fig. 26).
      • f. Press until the setting is 10˚F (6˚C) above room temperature.
      • g. Set the System switch to OFF and the Fan switch to AUTO. The cooling system and fan should be ...
    • Change the temperature temporarily
      • Press or until the desired temperature is displayed.
    • Hold a temperature indefinitely
      • Use the Hold Temp feature when you want to maintain a constant temperature indefinitely, such as ...
        • a. Press . “HLd” is displayed (Fig. 28).
        • b. Press or until the desired temperature is displayed.
    • Check the current programmed temperature
      • Press to display the temperature that is programmed for the current program period. The SET indic...
    • Check programs
      • Press repeatedly to display the times and temperatures that you programmed for the weekdays (Mond...
    • Cancel a program
      • a. Press or until the desired program is displayed (Fig 30).
      • b. Press . A blank program schedule is displayed and the program is canceled (Fig. 31).