Dentech AYRDYNE 4.0, Installation, Operation And Maintenance Manual

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FILTERS
2.2.4
SECONDARY INFORMATION
25
2.2
OPERATION
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view can be changed from one day to six
months.
SECONDARY FILTER LIFE
This dial display shows the estimated
remaining life of the secondary filter. When
the filter is nearing end of life, it will remind
you to order or schedule the filter change.
Once the filter has reached end of life, it will
prompt you to change the filter.
RESET
This button resets the hour meter or date,
after the filters have been replaced.
FILTER LIFE SETTINGS
This selection sets when the system will
remind the user to change filters.
When Hours is set, there will be a reminder
after a certain number of hours, which can be
set by the user.
When Date is set, there will be a reminder on
the day that is set.
SECONDARY FILTER DP
This numeric display and segmented bar
graph show the filter differential pressure
measured between the dirty and clean
sides of the filters.
ZERO METER
The Zero button will zero any differential
pressure reading, should it wander from
zero over the lifespan of the differential
pressure sensor. This can be done
only when the system is not running.
Additionally, the pneumatic tubing should
be disconnected from the control panel.
ALARM SETPOINT
This numeric entry/display shows the
setpoint that the differential pressure must
rise above to initiate an alarm. This value
is adjustable between the min. and max.
transmitter outputs. The factory default
setting is 6 inWC.
DATA PLOT
This line graph display shows the filter
differential pressure over time. The timeline
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