External Static Pressure Setting - Airwell DDM012 Manuel D'installation

5. WIRING

5.3 External static pressure setting.

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. If there is more than one air inlet and outlet,adjust the dampers so that the airflow rate of each air inlet
and outlet conforms with the designed airflow rate. Make sure the unit is in FAN ONLY mode. Press and
set the airflow adjustment button to change the airflow rate from H to L.
4. Set the parameters for automatic airflow adjustment.
Option 1. Using the wired controller. Turn off the air conditioner to enter standby mode and perform
the follwoing steps:
- Press"COPY".
- Press "+" or "-" to select the AF.
- Press "CONFIRM". The air conditioner
will then start the fan for airflow automatic
adjustment.
Option 2. Using the remote controller. Turn off the air conditioner to enter standby mode and perform
the following steps:
- Take out the batteries from the remote controller and re-fit.
- In the starting 30 seconds, press "+" and "-" for 5 senconds and the remote will display "F1".
- Press "+" or "-" to select the "d4".
- Press "Fan" on the remote, the air conditioner will then start the fan for airflow automatic adjustment.
3 LEDs on display board will flash during adjustment.
5. After 3 to 6 minutes, the air conditioner unit stops operating once automatic airflow adjustment has
finished.
6. Take out the batteries from the remote controller and re-fit for normal use.
CAUTION
DO NOT adjust the dampers when automatic airflow adjustment is active.
If there is no change after airflow adjustment in the ventilation paths, be sure to reset automatic
airflow adjustment.
If there is no change to ventilation paths after airflow adjustment,contact your dealer, especially
if this occurs after testing the outdoor unit or if the unit has been moved to a different location.
Do not use automatic airflow adjustment,if you are using booster fans, outdoor air processing
unit, or a HRV via duct.
If the ventilation paths have been changed, reset airflow automatic adjustment as described
from step 3 onwards.
ON will flash when the fan
is on during automatic airflow
adjustment.
GB-20