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6.3.9.4. Ventilator
When a ventilator is installed, the installer has the option of selecting the
time interval for cleaning the ventilator. After the selections are made,
touch SAVE.
• Clean Interval: Selectable from 60, 90, 120, 150 or 180 days. Default
= 90 days
NOTE: This option may NOT be available with the ERVXXNVA
ventilator due to its simplified control design.
6.3.10. 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 Evolution 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 has a utility saver input
(refer to outdoor equipment installation instructions). This setup controls
the response of the equipment when the utility saver input is active.
DISABLED means that the curtailment function is not active. TURN
OFF means the outdoor unit is to be turned off when the curtailment
function is active. LOW STAGE means the outdoor unit will run in lows
stage when the curtailment function is active. After the selections are
made, touch SAVE.
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