Ariston CONTROLLO A FILO Manual page 47

SET EXTERNAL STATIC PRESSURE
Using the wire controller to set external static pressure (some air condition-
ers).
• You can use the unit's automatic airflow adjustment function to set external static
pressure.
• Automatic airflow adjustment is the volume of blow-off air that has been
automatically adjusted to the quantity rated.
1. Make sure the test run is done with a dry coil. If the coil is not dry, run the unit for 2
hours in FAN ONLY mode to dry the coil.
2. Check that both power supply wiring and duct installation have been completed
Check that any closing dampers are open.
Check that the air filter is properly attached to the air suction side passage of the
unit.
3. Set the parameters for automatic airflow adjustment. When the air conditioning unit
is off, perform the follwoing steps:
- Press "COPY" long.
- Press "+" or "-" to select the AF.
- Press "CONFIRM". The air
conditioning unit will then start the
fan for airflow automatic
adjustment.
DO NOT adju st the dampers when automatic airflow adjustment is active.
After 3 to 6 minutes, the air conditioning unit stops operating once automatic airflow
adjustment has finished.
Using the wire controller to set airflow rate (some air conditioners).
When the air conditioning unit is off, perform the follwoing steps:
- Press "COPY" long.
- Press "+" or "-" to select the SP.
- Press "CONFIRM" to set the airflow.
0 means a stable airflow volume, 1 to 4 means an increase in airflow volume.
- Press "BACK" to finish the setting.
ON will flash during when the fan is on
during automatic airflow adjustment.
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