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equipment, since duct system changes may occur at any time, such as opened or closed
registers.
With this option, the installer has the option of selecting pressure monitoring, the type of filter
installed, and the time interval for cleaning. After the selections are made, touch SAVE.
• Pressure Monitoring (not available or effective with air cleaners that do not use filter media,
such as Electric Air Cleaners): Enable or Disable. See Ion System Control Product Data for
compatible units and more information. Default = Enable
•
• Clean Interval: Selectable from 1 to 18 months. Default = 3 months
• Filter Type: Air Filter, Electric Air Cleaner or Air Purifier. Filter type is selected during
installation; otherwise default = air filter
6.3.8.2. Humidifier
With this option, the installer has the option of selecting whether a humidifier is installed, to
humidify with the fan in low speed, and the time interval for changing the humidifier pad. After
the selections are made, touch SAVE.
• Humidifier Installed: Yes or No. Humidifier selection made during installation; otherwise
default = No
• Change Pad: Selectable from 1 to 24 months. Default = 12 months
• Humidify with Fan: Yes or No. Default = No
6.3.8.3. Ultraviolet Lights
With this option, the installer has the option of selecting whether ultraviolet lights are installed,
and the time interval for changing the ultraviolet lights. After the selections are made, touch
SAVE.
• UV Lights Installed: Yes or No. UV Lights selection made during installation; otherwise
default = No
• Change Interval: Selectable from 1 to 48 months. Default = 12 months
6.3.9. Utility Curtailment
NOTE: Utility Curtailment and Utility Saver functions are different than the Utility Demand
Response function described in the Owner’s Manual. Utility Curtailment/Utility Saver uses the
UTIL and Y2 (or equivalent) terminals on the Ion System compressor section control board to
receive a dry contact relay signal from the Utility, typically from the electric meter assembly, to
signal a curtailment period. This section describes the actions taken in response to that signal.
See the equipment installation instructions for more information on wiring the compressor
section control board to the Utility connections.
Utility Saver is used to force the equipment to a lower stage (low or off) when activated by the
utility company, typically during peak load times. This setup is available only if the equipment
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