116
en | Maintenance
Aspirating Smoke Detector
2018.04 | 2.0 | F.01U.130.926
Operation Guide
Bosch Sicherheitssysteme GmbH
–
Observe the current airflow value during ongoing maintenance or check it at the latest
during the next inspection.
–
If the target value is similar to the previous one, disruptive environmental influences are
the cause of the deviation. If these negative influences on the airflow monitoring cannot
be suppressed, increase the airflow range.
Notice!
The diagnostic software can be used to save in file format all the stored and current data for
the device, as well as any settings made. To be able to compare the data read out, save each
file under a different file name.
8.6
Airflow Monitoring
A pipe break or pipe obstruction is indicated for each detector module via the flash code of an
LED on the motherboard. Check the airflow monitoring in accordance with
Section
6.5
Checking Airflow Monitoring, page
90.
8.7
Malfunction Transmission
A malfunction is indicated on the FCS-320 and on the fire panel, where applicable.
Proceed in accordance with Section
6.4
Checking Malfunction Transmission, page
90.
8.8
Maintenance Intervals
Maintenance includes regular completion of inspections and maintenance. The smoke
aspiration systems should be checked when commissioned and then quarterly. At each fourth
check, more comprehensive checks should be carried out; the following distinction is
therefore made:
–
Quarterly test/inspection
–
Annual test/maint 4th annual inspection
Inspection
Measure
Further information can be found in...
Visual Check
Detector Module and Alarm
Transmission
Detector Module and Alarm Transmission, page 113
Checking the Pipe Systems
Checking the Airflow Sensor Calibration
Checking the Airflow Sensor Calibration, page 114
Checking Malfunction Transmission
Malfunction Transmission, page 116
Empty water separator (if necessary)
FAS‑ASD‑WS Water Separator, page 100
Maintenance and 4th annual inspection
Measure
Further information can be found in...
Visual Check
Detector Module and Alarm
Transmission
Detector Module and Alarm Transmission, page 113
Checking the Pipe Systems
Checking the Airflow Sensor Calibration
Summary of Contents for FAS-420
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