Set External Static Pressure - Mars Comfort-Aire Century KJR-120G1/TFBG-E-01 Installation And Owner's Manual

Wired Controller IOM - VMHxxDU

13. SET EXTERNAL STATIC PRESSURE

Using the wired controller to set external static pressure (some air conditioners) .
• 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 adjust 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 wired 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.
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ON will flash during when the
fan is on during automatic
airflow adjustment.
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