DS920i-CHI Passive Infrared Anti-theft Detector Installation Guide

Installation guide for the DS920i-CHI passive infrared anti‑theft detector, covering power input, mounting, wiring, lens selection, sensitivity settings and…


DS920i-CHI Passive Infrared Anti-theft Detector Installation Guide - cover page
Brand
Bosch
Category
Anti-Theft Devices
Document type
Installation Guide
Language
Chinese
Pages
2
File format
PDF
File size
143 KB
Published
20 September, 2011
Updated
01 October, 2026
MD5 checksum
4F3D544475F6BF10F352AF4E256978C7

About this manual

This guide provides step‑by‑step instructions for installing the DS920i‑CHI passive infrared anti‑theft detector. It includes information on power requirements, recommended mounting height, wiring connections, and how to secure the device housing.

The document also explains how to choose and install different lenses, adjust vertical and horizontal detection angles, set sensitivity levels, configure LED indicators, and perform field testing to verify the detection zone. This manual is written in Chinese.

What's inside

  • Overview
  • Installation
  • Wiring
  • Sensitivity and LED Settings
  • Setup and Testing
  • Maintenance

Specifications

Input power9‑16 VDC
Standby current16 mA
Detection range (standard barrier lens)35 × 3 ft (10.5 × 1 m)
Detection range (long‑distance lens)70 × 7 ft (21 × 2.1 m)
Operating temperature range-29 °C to +49 °C
Alarm relay contact rating28 VDC, 125 mA (NC)
Tamper switch rating28 VDC, 125 mA (NC)

Frequently asked questions

What is the recommended installation height for the detector?

The recommended installation height is 7.5 ft (2.3 m), with a maximum height of 10 ft (3.0 m).

How do I select the sensitivity setting?

Place the short jumper on the terminal marked S for standard sensitivity, on I for medium sensitivity, or leave it off for the preset medium setting.

What power supply voltage is required for the detector?

The detector operates from a DC supply of 9 V to 16 V.

Can the detector be mounted behind glass?

No, the detector should not be installed behind glass as it will reduce detection performance.

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