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Bosch FAS-420-TT2 User Manual

Bosch FAS-420-TT2
128 pages
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FAS-420 series
FAS
-420 series
Aspiration smoke detector LSN improved
FAS‑420‑TP series | FAS‑420‑TT series
en
Operation guide

Table of Contents

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Bosch FAS-420-TT2 Specifications

General IconGeneral
BrandBosch
ModelFAS-420-TT2
CategorySmoke Alarm
LanguageEnglish

Summary

Technical Specifications

Technical Data Summary

Detailed electrical, mechanical, and environmental specifications.

Planning the Aspiration Smoke Detector System

Regulations and Standards

Planning regulations based on EN 54-20/ISO 7240-20 and national rules.

Pipe Planning Principles

Design guidelines for aspiration pipe networks, including structure types.

Airflow Monitoring and Sensitivity

Airflow monitoring requirements and defining response sensitivity levels.

Standard Pipe Planning

Planning according to EN 54-20/ISO 7240-20 standards, including accessories.

Single-Hole Monitoring Planning

Planning for detecting single or obstructed air sampling openings.

Simplified Pipe Planning

Planning for equipment protection in smaller dimensions.

Planning with Acceleration Openings

Using acceleration openings to reduce transport time.

Planning for Forced Airflow

Planning for air-conditioning ducts with forced airflow.

Power Supply Calculation

Calculating power supply requirements for the system.

Installing the Aspiration Smoke Detector

Detector Module Installation

Step-by-step guide for installing detector modules.

Unit Mounting

Procedures for mounting the FAS-420 unit.

Fire Panel Connection

Electrical connection procedures for the fire panel.

Pipe System Installation

Commissioning

Preparation and Settings Check

Checking settings and performing connection tests before commissioning.

Airflow Sensor Calibration

Procedures for calibrating the airflow sensor, independent or dependent on air pressure.

Detector Module and Alarm Testing

Testing detector module function and alarm signal transmission.

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