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Manafacture: Aube Technologies File size: 2.03 mb File name: 41982.pdf Language of manual:

Up Button Down Button fanautorefreshon Heating or Cooling 1. To set the system for Heating, slide the “system” switch to “heat”. To set the system for Cooling, slide the “system” switch to “cool”. 2. Slide the “fan” switch to “auto”, refresh”, or “on”. Setting Options The following Options are available on your thermostat: 1. 1st stage span - The factory setting for Stage 1 heating and cooling is 1, meaning that your thermostat will cycle at 1°F (0.5°C) above and below the set temperature in Stage 1. If the system is cycling too fast or too slow, then the Span can be adjusted to change the cycle time. 2. 2nd stage span - The second or auxiliary stage turns on when the first stage does not have enough capacity to reach the set temperature. The factory setting for Stage 2 is 2 (3°F, 1.5°C). 3. The Residual Cooling Fan Delay Setting - Sets the fan to run for 0, 30, 60, or 90 seconds after the compressor turns off in the cooling mode. The default setting is 30 seconds. 4. The Refresh Cycle Time - Sets the fan to run automatically at intervals of 10, 15, 20, or 30 minutes to circulate air when the system is not running for heating or cooling. The default setting is 15 minutes. To access the Option Mode and set the Span setting of the 1st stage: 1. Press the Up and Down buttons at the same time and hold them for three seconds. The LCD Display will show “st 1”, “set”, and the 1st stage Span setting, either 1 (factory setting), 2, or 3, meaning that the Span setting is at 1°F (0.5°C), 2° (1°C), or 3° (1.5°C). 2. Press the Up button to increase the 1st stage Span setting, which will cause your system to run longer. Press the Down button to decrease the 1st stage Span setting, which will cause your system to run shorter. To set the Span setting of the 2nd stage: 1. Press the Up and Down buttons at the same time again and hold them for three seconds. The LCD Display will show “st 2”, “set”, and the 2nd stage Span setting, either 1, 2 _(factory setting), 3, 4, or 5, meaning that the Span setting is at 2°F (1°C), 3°F (1.5°C), 4°F (2°C), 5°F (2.5°C), or 6°F (3°C). 2. Press the Up button to increase the 2nd stage Span setting. Press the Down button to decrease the 2nd stage Span setting. To set the Residual Cooling Fan Delay: 1. Press the Up and Down buttons at the same time again and hold them for three seconds. The LCD Display will show “cool”, “set”, and the current Residual Cooling Fan Delay time in seconds (0, 30, 60, or 90). 2. Press the Up button to increase the Residual Cooling Fan Delay time. Press the Down button to decrease the Residual Cooling Fan Delay time. To set the Refresh Cycle Time: 1. Press the Up and Down buttons at the same time again and hold them for three seconds. The LCD Display will show “fan”, “set”, and the current Refresh Cycle Time in minutes (10, 15, 20, or 30). 2. Press the Up button to increase the Refresh Cycle Time. Press the Down button to decrease the Refresh Cycle Time. Filter Reminder The LCD Display will show “filter” after every 400 hours of fan operation, as a reminder to change the HVAC system’s filter as soon as possible. reset Resetting Your Thermostat Should the thermostat’s previous settings be desired, use the tip of a paper clip to press the “reset” button. NOTE: Pressing the Reset button reverts the thermostat to its previous settings, NOT the factory settings. TROUBLESHOOTING Problem Solution 1. Remove the clear Mylar decal form the LCD Display. Scrambled or double display (numbers over numbers) 1. Check wiring connections. A Common (C) wire is required for operation. 2. Press and hold the Reset button for two seconds with the tip of a paper clip. LCD Display is blank 1. Move the #1 System Set-Up Switch (HG/HE) to the opposite position. Auto/Fan does not turn on Erratic display 1. Press and hold the Reset button for two seconds with the tip of a paper clip. The thermostat will need to be re-programmed. 1. Check the Fan Switch. The fan will run continuously if the Fan switch is in the “on” position. Fan runs continuously Heating or cooling does not go on or off 1. Ensure the System Switch is in the desired position (“heat”, “cool”, “em heat”). 2. There may be as much as a 4 minute Compressor protection delay before the Heat or Cool system turns on - wait and check. 3. Check your circuit breakers and switches to ensure there is power to the system. 4. Make sure your furnace blower door is closed properly. TROUBLESHOOTING Problem Solution 1. Replace thermostat. System continues to operate in the Off position 1. Replace thermostat. Thermostat permanently reads “HI”, “LO” or “E1” after pressing the Reset button If you experience any other problems with your CTC thermostat, call CTC Technical Support at 1-800-676-7861 from 8am to 5pm Central Time. WIRING DIAGRAM Climate Technology Corp. 2500 FRISCO AVEN...

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