OPERATING YOUR THERMOSTAT
Cooling/Dehumidifier
1.Press SYSTEM to select "Cool".
2.Press
to adjust the thermostat setting below room tem- perature. The blower should come on immediately on high speed, followed by cold air circulation. The display should show "System On". If the setpoint temperature display is flashing, the compressor lockout feature is operating (see Configuration menu, item 5).
3.Adjust temperature setting to 3° below room temperature. The second stage cooling should begin to operate and the display should show "System On +2".
4.Press
to adjust the temperature setting above room temperature. The cooling system should stop operating.
To check the dehumidifier when System On appears and the cooling system is running press *HUMIDITY button once. Press
to adjust the humidity 2% or more below the room humidity level. DeHum On will appear indicating it is calling for the dehumidification.
If the room humidity is lower than the adjustment range, press 
to 40% and hold it for four seconds. This will force the DeHum On for one complete cooling cycle to test the dehu- midification equipment.
After adjusting the humidity setting the display will return to temperature in approximately 10 seconds. To switch the dis- play back to temperature immediately after adjusting humidity setting press HUMIDITY again.
*Note: If Auto Schedule is displayed instead of Humidity, Auto Schedule must be turned off in the Configuration Menu.
Choose the Fan Setting (Auto or On or Prog)
There are three fan features on the
1.Fan Auto/On – Traditional Fan Settings
Press Fan to select Auto or On. The most commonly used setting is Auto. Fan Auto runs the fan only when the heating or cooling system is operating. Selecting Fan On runs the fan continuously for increased air circulation or to allow additional air cleaning if the system is equipped with an Electronic Air Cleaner.
2.FAN Prog – Comfort Circulating Fan Feature
Pressing FAN until FAN Prog appears activates the Com- fort Circulating Fan Option. This causes the thermostat to cycle the fan on for 10 minutes and off for 20 minutes if the thermostat has not called for heat or cool during the past 60 minutes. This assures moderate air circulation even when the heating and cooling equipment is not cycling.
3.FAN On Prog. – Programmable Fan
FAN On Prog indicates that a time period has FAN Prog selected in the Set Schedule mode (see Programmable Fan Option). The fan will run continuously through the pe- riod until the next period begins. To override FAN On Prog, press the FAN key to select Auto for the fan to run only when the heating or cooling system is operating.
Tip: Running the fan more frequently will increase your energy consumption. Most systems use a 1/2 or 1/3 HP electric motor to power the fan.
Choose the System Setting
(Cool, Off, Heat, Em, Auto)
Press the SYSTEM key to select:
Cool: Thermostat controls only the cooling system.
Off: Heating and Cooling systems are off.
Heat: Thermostat controls only the heating system.
Em: Setting is available only when the thermostat is config- ured in HP1 or HP2 mode.
Auto: Auto Changeover is used in areas where both heating and cooling may be required on the same day. AUTO allows the thermostat to automatically select heating or cooling depending on the indoor temperature and the selected heat and cool temperatures. When using AUTO, be sure to set the Cooling temperatures more than 1° Fahrenheit higher than the heating temperature.
Manual Operation for
Press the SYSTEM key to select "Heat" or "Cool" and use the keys to adjust the temperature to your desired setting. After selecting your desired settings you can also press the SYSTEM key to select AUTO to allow the thermostat to auto- matically change between "Heat" and "Cool".
Manual Operation (Bypassing the Program) Programmable Mode
Manual operation will bypass the program and allow you to adjust the temperature as you desire. The temperature you set in Hold will be maintained indefinitely. Press 
or 
to adjust the temperature. The HOLD key will appear. Press the HOLD key. "Hold At" will appear next to the setpoint tem- perature and the thermostat will maintain the new setpoint temperature until Run Schedule is pressed to resume pro- gram operation.
Program Override (Temporary Override)
Press 
or 
keys to adjust the temperature. This will over- ride the temperature setting for a (default) four hour override period. The override period can be shortened by pressing 
or lengthened by pressing 
. Program Override period can range from 15 minutes to 7 days.
Example: If you turn up the heat during the morning program, it will be automatically lowered later, when the temporary hold period ends. To cancel the temporary setting at any time and return to the program, press Run Schedule.
If the SYSTEM key is pressed to select AUTO the thermostat will change to "Heat" or "Cool", whichever ran last. If it switches to "Heat", but you want "Cool", or it changes to "Cool", but you want "Heat", press both keys simultaneously to change to the other mode.
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