INSTALLER/CONFIGURATION Menu

6 & 7) Fast or Slow Cycle Selection – The factory default setting for Heat is fast cycle (FA), which cycles heat at approximately 0.6°F. If you prefer slow cycle, press the orkey to change to SL. Heat will cycle at approxi- mately 1.2°F. For Cool the default setting is fast cycle (FA), which cycles cool at approximately 1.2°F. If you prefer slow cycle, press theorkey to change to SL, cool will cycle at approximately 1.7°F.

8)Select Compressor Lockout CL OFF or ON – Selecting CL ON will cause the thermostat to wait 5 minutes be- tween cooling cycles. This is intended to help protect the compressor from short cycling. Some newer compres- sors already have a time delay built in and do not require this feature. Your compressor manufacturer can tell you if the lockout feature is already present in their system. When the thermostat compressor time delay occurs, it will flash the setpoint for up to five minutes.

When CL is ON and 24V common (C) is connected, the lockout feature will prevent compressor start after a 24V power interruption of less than 5 minutes. This will assure a 5-minute delay to prevent premature compress- or failure.

9)Select Backlight Display – The display backlight improves display contrast in low lighting conditions. When the C terminal is powered, selecting backlight (dL ON) will turn the light on continuously. Selecting backlight OFF will turn the light on momentarily after any key is pressed. When the C terminal is not powered, this selection has no effect.

10)Select Temperature Display Adjustment 4 LO to 4 HI Allows you to adjust the room temperature display up to 4° higher or lower. Your thermostat was accurately cali- brated at the factory, but you have the option to change the display temperature to match your previous thermo- stat. The current or adjusted room temperature will be displayed on the left side of the display.

11)Select F° or C° Readout – Changes the display readout to Centigrade or Fahrenheit as required.

12)Select Audio Prompting (Beeper) On or Off – Default setting is On (On b) if you wish to turn off the beeper select Off b.

13)Heat Temperature Limit Range – This feature adjusts the highest setpoint temperature for heat. The default

setting is 99°F. It can be changed between 62°F and 98°F by pressing theor key. The "temperature limit" icon will be displayed to the left of your setpoint temperature when using this feature. The "temperature limit" icon will flash if an attempt is made to adjust the temperature beyond the range selected.

14)Cool Temperature Limit Range – This feature adjusts the lowest setpoint temperature for cool. The default

setting is 45°F. It can be changed between 46°F and 82°F by pressing theor key. The "temperature limit" icon will be displayed to the left of your setpoint temperature when using this feature. The "temperature limit" icon will flash if an attempt is made to adjust the temperature beyond the range selected.

15)Keypad Lockout – This step allows you to select the

type of lockout or limited range security required. If no lockout or limited range security is required, pressto advance the menu.

Three security settings are available in this menu item. Use theor keys to select the lockout desired. Lockout selections are:

"Keypad Lockout and L" = Total Lockout. Total Lockout locks all keys.

"Keypad Lockout and P" = Partial Lockout. Partial Lock- out allows only theor keys to operate within your set temperature limits.

"Temperature Limit/Keypad Lockout" prevents changing the temperature limits in the Configuration Menu.

16)Keypad Lockout Combination Number Selection Display will read "OFF" "Keypad Lockout".

Skip this step and continue through the configuration menu items 17 and 18 if you require an Air Filter Change

out indicator or Humidifier Pad Change out indicator by pressing thebutton to advance.

Return to this point when you are ready to start your

selected lock-out and continue by: Pressingor keys to select ON. Press . Display will read "000".

Pressingor keys to select your keypad lockout combination number. Note: "000" is not a valid combination choice.

Record the number you select for future use. Pressto exit the menu. The security feature you select will start in 10 seconds. The system button will remain active for 10 seconds to allow setting Heat, Off, Cool or Auto.

17)Select Filter Replacement Run Time – The thermostat will display "Change Filter" after a set time of blower operation. This is a reminder to change or clean your air filter. This time can be set from 25 to 1975 hours in 25 hour increments. A selection of OFF will cancel this feature. When "Change Filter" is displayed, you can clear it by pressing Clean Display. In a typical application, 200 hours of run time is approximately 30 days.

18)Select Humidifier Pad Replacement Run Time – The thermostat will display "Change Humidifier Pad" after a set time of humidifier operation. This is a reminder to change or clean your humidifier pad. This time can be set from 25 to 1975 hours in 25 hour increments. A selection of OFF will cancel this feature. When "Change Humidi- fier Pad" is displayed, you can clear it by pressing Clean Display. Check with your humidifier manufacturer for a recommended maintenance interval.