Bosch FAS-420-TT Series - Page 4

4 en | Table of contents Aspiration smoke detector LSN improved
2020.04 | 6.1 | F.01U.029.275 Operation guide Bosch Sicherheitssysteme GmbH
4.12 Project planning with branch pipes 70
4.13 Planning with air sampling hose 72
4.14 Planning with air return 73
4.15 Power supply 74
5
Installing the Aspiration smoke detector 75
5.1 General 75
5.2 Installing the detector module 76
5.3 Settings on the unit motherboard 77
5.3.1 Setting the detector address 77
5.3.2 Setting the fan voltage 78
5.3.3 Setting the fan voltage (SL variant) 78
5.3.4 Number of detector modules 78
5.4 Installing the unit 79
5.5 Connection to the Fire panel 81
5.5.1 Electrical connection 81
5.5.2 LSN Configuration 82
5.5.3 Parameter settings via RPS (Remote Programming Software) 82
5.6 Connecting an External Detector Alarm Display 83
5.7 Data Logging 83
5.8 Replacing a detector module 84
6
Installation of the pipe system 85
6.1 Length Change of the Pipe System 86
6.2 Air sampling openings 87
6.3 Ceiling Lead-through 89
6.4 Monitoring with forced airflow 89
6.4.1 Detection at intake and exhaust openings 89
6.4.2 Detection in the Bypass 90
6.5 Air filter 91
6.5.1 Installing the Air Filter Box 91
6.5.2 Filter Change on the Air Filter Box 91
6.6 Air-return Pipe 92
6.7 Three-way Tap 93
6.8 FAS‑ASD‑WS Water Separator 94
6.9 Detonation Safety Barrier 95
6.10 Test Adapter 95
7
Commissioning 96
7.1 Preparation 96
7.2 Calibrating the airflow sensor 97
7.2.1 Air-Pressure-Independent Calibration 97
7.2.2 Air-Pressure-Dependent Calibration 98
7.3 Testing the detector module and alarm transmission 99
7.4 Checking Malfunction Transmission 99
7.5 Checking airflow monitoring 99
7.6 FAS‑420 Functional test 100
7.6.1 Preparations for the functional test 100
7.6.2 Conducting the functional test 101
8
Maintenance 102
8.1 Visual check 102
8.2 Flash code table 102