Bosch Climate 5000 Series Installation Manual page 27

Installation Manual
Using the wire controller to set external static pressure (some models)

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
fi lter is properly attached to the air suction side passage of the unit.
3. Set the parameters for automatic airfl ow adjustment. When the air
conditioning unit is off , perform the following steps:
—
Press the button "COPY" for a few seconds.
—
Press "+" or "-" to select the AF.
Figure 56
—
Press "CONFIRM". The air conditioning unit will then start the fan
for airflow automatic adjustment.
ON will flash during when the fan is on
during automatic airflow adjustment.
Figure 57
NOTICE: SYSTEM FAILURE

DO NOT adjust the dampers when automatic airflow
adjustment is active.
Bosch Thermotechnology Corp. | 05.2019
Bosch Climate 5000 Series Ducted Type (Medium & High Static) Air Conditioner / Heat Pump | 27
NOTICE: SYSTEM FAILURE

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 with remote
control, if you are using booster fans, or outdoor air
processing unit via duct.

If the ventilation paths have been changed, reset airflow
automatic adjustment as described from step 3 onwards.
Please refer to Wired Wall Thermostat Manual for installation guidance.
Data subject to change