Bosch FAS-420-TT Series - Table of Contents

Aspiration smoke detector LSN improved Table of contents | en 3
Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 6.1 | F.01U.029.275
Table of contents
1
Safety 6
2
General 6
2.1 Introduction 6
2.2 Warranty 6
2.3 Copyright 6
2.4 Disposal 7
3
Technical specifications 7
3.1 Product description 7
3.2 Areas of application 9
3.3 System Overview 12
3.4 Functions 12
3.5 FAS‑420 Aspiration smoke detector series and accessories 14
3.5.1 Overview 14
3.5.2 FAS‑420 Connections 15
3.5.3 FAS‑420‑TP1/FAS‑420‑TP2 LEDs 16
3.5.4 FAS‑420‑TT1/FAS‑420‑TT2 LEDs 16
3.5.5 FAS‑ASD‑DIAG Diagnostic Software 17
3.5.6 Remote Indicators 17
3.5.7 Device Mounting 18
3.5.8 Measures for reducing operating noise 18
3.6 Pipe system components 19
3.6.1 Overview 19
3.6.2 Air sampling openings 20
3.6.3 Ceiling lead-through 21
3.6.4 Air-return pipe for pressure areas and atmospheric loads 22
3.6.5 Air filters for dusty areas 23
3.6.6 Water Separator for Humid Areas 23
3.6.7 Detonation safety barrier for potentially explosive areas 24
3.7 Scope of delivery: Smoke aspiration system 25
3.8 Technical specifications 27
3.8.1 FAS‑420 Aspiration smoke detector series 27
3.8.2 FAS‑420 Aspiration smoke detector series - SL variants 28
3.8.3 Pipe system 30
3.8.4 Smoke aspiration system components 30
4
Planning 31
4.1 Regulations 32
4.2 Principles of pipe planning 33
4.3 Airflow monitoring 36
4.4 Defining the response sensitivity 37
4.5 Planning limits 38
4.6 Standard pipe planning 39
4.6.1 Determining the necessary accessories 39
4.6.2 Pipe planning with pipe accessories 39
4.7 Pipe planning for single-hole monitoring 47
4.8 Simplified pipe planning 53
4.9 Planning for long pipe feed lines 56
4.10 Planning with acceleration openings 57
4.11 Planning for forced airflow 67