Bacharach GDC-350 Operation Manual

Contents

Bacharach GDC-350 Operation Manual Manual pdf 7 page image

GDC-350 Operation Manual5909-9000 Rev 1 11. OVERVIEW1.1. General DescriptionThe GDC-350 is an economical, self-contained gas detector for non-hazardous (non-explosion rated) commercial applications. It is available in two basic configurations:single-sensor models and dual-sensor models. The sensors can be configured asone of the following: one on-board (A type) one remote (B type) one on-board and one remote (D type) two on-board (E type).A basic system provides LEDs to indicate Power, Fail, Low (Warning) Gas Alarm, andHigh Gas Alarm. Also included are an integral audible alarm with door-mountedsilence push-button, audible time delay, field-settable relay time delays and two alarmrelays.Gas-specific electrochemical sensors for toxic gases and oxygen are available whileMOS solid-state sensors for combustible gases, TVOCs, and refrigerants are alsoavailable. All GDC-350 on-board sensors are packaged as plug-in “smart” sensormodules to reduce field maintenance time.1.2. Key Exterior ComponentsFigure 1-1. Standard GDC-350 ComponentsNOTE: Photos of the GDC-350 in this manual may show the optionalLED digital display and/or the optional splash guard.