AGS Mini Merlin CH4CO Handbuch für Installation und Betrieb - Seite 7

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Installation & Operation Manual

Board Overview

Auto Reset and Buzzer Switch options
When the power is restored after a power loss, the
OFF
unit must be restarted manually
This will instruct the unit to restart automatically
ON
when power is restored.

Building Management System Integration

This device can be integrated with a Building Management System (BMS), a home alarm
system, or be used as part of a boiler low voltage safety limit to make or break a circuit on both
gases separately, (valve open or valve closed) depending on the system.
These switches can be used for a variety of purposes including triggering alarm contacts,
operating and external relay for multiple appliance shut-down and generating status signals for
a BMS system.
Rev: 12 01-20
1. POWER/LINE IN
Mains power input. 110-120v AC
2. VALVE OUT
Gas valve power output. 110-120v AC
3. AUTO RESET & BUZZER SWITCH
4. CO BMS
Relay will switch when CO gas reaches the alarm
level.
5. NG/ LPG BMS
Relay will switch when CH4 gas reaches the alarm
level.
6. REMOTE SHUT OFF
Closed out as a factory setting and during normal
operation, this input shuts off the gas valve relay in
the event of external detectors being triggered.
Auto Reset
AGS Mini Merlin CH4CO
Buzzer
The audible alarm will not sound at any
level but the digital display gas level
indicators will remain active.
The alarm will sound every 15 seconds
during pre-alarm gas levels and
continuously when gas levels are high.
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