Daikin VRV 5 BS4A14AJV1B, Руководство пользователя

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18 | Commissioning
Installer and user reference guide
105
BS4~12A14AJV1B
VRV 5 branch selector unit
4P695527-1 – 2022.02
Symptom: The extraction fan does not turn ON
Possible causes Corrective action
Incorrect field settings Check if all field settings are made
correctly. When in parallel or series
configuration, the field settings of all BS
units in a cluster need to be made
correctly.
Fan extraction circuit broken ▪ Check that the circuit exists.
▪ Check that the circuit is connected
correctly.
▪ Check that the circuit is powered.
Symptom: The airflow rate is too low
Possible causes Corrective action
Incorrect field settings Check if all field settings are made
correctly. When in parallel or series
configuration, the field settings of all BS
units in a cluster need to be made
correctly.
▪ When in parallel configuration: check
that no dampers of other BS units in
the same cluster have opened.
▪ When in series configuration: check
that all dampers of other BS units in
the same cluster have opened.
Flow blocked Remove blocking objects.
Incorrect fan size Check if the sizing of the fan is
appropriate. Adapt if necessary.
Incorrect fan speed Check if the fan has different speed
settings. Select a higher speed if
necessary.
18.4 System test run
NOTICE
Do NOT interrupt the test run.
INFORMATION
▪
Perform the test run according to the instructions in the outdoor unit manual.
▪
The test run is only completed if there is no malfunction code displayed on the
user interface or the outdoor unit 7‑segment display.
▪
See the service manual for the complete list of error codes and a detailed
troubleshooting guideline for each error.