22
If Air Changes per Hour is Selected
After choosing to display and monitor Air
Changes Per Hour from the Common Config
section, set the parameters for that output.
K Factor
The K factor is provided by the manufacturer of
the static pressure probe or Pitot tube and varies
by probe length.
Barometric Pressure
Set current barometric pressure conditions. This
can either be entered manually or it will be set to
the standard default of 29.92 in Hg. Barometric
Pressure effects the flow rate due to changes in air
density. Choose “enter” to activate the
Barometric Pressure menu. The menu will flash,
then press the “down arrow” to select desired
digit. Press “enter” to select and move to next
digit.
Temperature Source
Choose between an analog sensor input (from
external sensor) or “set-up”. The sensor input
comes from the external sensor, whereas the “set-
up” option is added manually if there is no
temperature sensor used. Temp is used to
calculate air density; Default is 70 degrees
Fahrenheit or 21.1 degrees Celsius. Choose
“enter” to activate the Temp Source menu. The
menu will flash, then press the “down arrow” to
select desired temp source. Press “enter” to select.
Enter Temperature
If Temp Source “set up” is chosen, manually
enter the temperature. Choose “enter” to activate
the Enter Temp menu. The menu will flash, then
press the “down arrow” to select desired digit.
Press “enter” to select and move to next digit.
