Appendix - Bosch FAS-420-TT Series Operation Manual

Aspiration smoke detector LSN improved
Maintenance and 4th annual inspection
Measure
Visual check
Detector module and alarm
transmission
Check the pipe system
Check the airflow sensor calibration
Checking malfunction transmission
Checking airflow monitoring
Empty water separator (if necessary)
9

Appendix

All the permitted detector addresses are indicated in DIP Switch Settings for Detector
Addresses, page 110 . See Section 4.3.1 Setting the Detector Address, page 68.
Notes on the tables in Air Pressure Correction Tables for Airflow Sensor Calibration, page
111 can be found in Section 6.2.2 Air-Pressure-Dependent Calibration, page 89.
The form in Commissioning/Service Test Record for FAS-420 series Aspiration smoke
detectors, page 121 is required for commissioning (see Section 6 Commissioning, page 87 ff).
Bosch Sicherheitssysteme GmbH
Further information can be found in...
Visual check, page 102
Detector Module and Alarm Transmission, page
105
Pipe system, page 106
Check the airflow sensor calibration, page 106
Malfunction Transmission, page 108
Airflow monitoring, page 108
Section 5.8 FAS‑ASD‑WS Water Separator,
page 84
Operation guide
Appendix | en 109
2020.04 | 6.1 | F.01U.029.275