AGS Merlin Anweisungen für Installation und Betrieb - Seite 9

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Wiring to Merlin 'S' Controllers

Power is supplied to a detector via the GDP terminal [+ / -] and using the 'S' panel [GAS DETECTOR] terminal

[+ / -]. For a BMS alarm relay use [COM] and [NC] on the detector and the [open/close] switch terminal on

the panel. BMS are volt free/dry contact connections.

A relay will change state when in alarm or when gas is detected. BMS terminals can be used in conjunction

with other external relays that affect other devices and controls such as purge fans and audible alarms etc.

There is a switch on the detector board identified as [Buzzer On/Off].

The detector can be configured to have an audible alarm or not when gas levels reach the alarm set points.

The alarm will continuously sound – there are no provisions to silence the alarm, gas levels must drop to a

safe value for the alarm to stop.

Buzzer On/Off Switch

Chain Termination Resistor

Detector ID Switches

Rev 01

OFF

ID 1

Merlin Gas Detector Installation & Operation Instructions

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