Bacharach MGS-460 Quick Start Manual

Bacharach MGS-460 Quick Start Manual

Refrigerant gas detector for machinery rooms, cold rooms & freezers
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Refrigerant Gas Detector
for Machinery Rooms, Cold Rooms & Freezers
Refrigerant Leak Detection
O/N: 1100-2293 | November 2018 Revision 0
Quick Start
Guide

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Summary of Contents for Bacharach MGS-460

  • Page 1 Refrigerant Gas Detector for Machinery Rooms, Cold Rooms & Freezers Refrigerant Leak Detection Quick Start Guide O/N: 1100-2293 | November 2018 Revision 0...
  • Page 2: Safety Instructions

    1. Introduction The MGS-460 refrigerant gas detector is designed for use in refrigeration applications and may be used as a standalone device, connected to the MGS-408 controller, or connected to a facility’s BMS / BAS. It enables compliance with refrigerant safety codes (ASHRAE 15 and EN 378) and features audible and visual alarms to alert personnel in the event of a refrigerant leak .
  • Page 3: Component Overview

    Operators should be aware of the regulations and standards in their industry / locality for the operation of the MGS-460. TECHNICIAN USE ONLY: The MGS-460 must be installed by a suitably qualified technician who will install this unit in accordance with these instructions and the standards in their particular industry / locality.
  • Page 4: Key Specifications

    MGS-460 Quick Start Guide COMPONENT DESCRIPTION M16 Cable Glands (×6) Rubber Gaskets (×2) Internal Alarm Buzzer Power Connections (×2) Digital Connection (Modbus) Analog Connection Tactile Switch #1 Remote Sensor Connections (×2) Tactile Switch #2 Relay 3 Connection (FAULT) Relay 2 Connection (HIGH)
  • Page 5 MGS-460 Quick Start Guide Modbus: Connection: RS-485 terminal block Baud Rate: 9,600 (default) or 19,200 Data Bits: 8 Parity: None (default), odd or even Stop Bits: 1 (default) or 2 Retry Time: 500 ms (minimum) Power Supply: 19.5 to 28.5 VDC or 24 VAC ±20%; 4W...
  • Page 6: Installation

    WARNING: DO NOT allow the lid / sensor to hang from the ribbon cable. Failure to comply may result in damage to the product. 1. Mount the MGS-460 transmitter & remote sensor according to the product dimensions, maximum wiring lengths and following considerations: •...
  • Page 7 MGS-460 Quick Start Guide STEP 2 | Wire Connections WARNING: Ensure that all wiring connections are made BEFORE applying power. WARNING: Relays are rated for 0 to 30V. DO NOT apply mains power onto these relays. IMPORTANT: Cable glands are meant to accommodate one cable. DO NOT use cable glands for more than one cable.
  • Page 8 MGS-460 Quick Start Guide STEP 3 | Reinstall Sensor & Connect Lid WARNING: DO NOT leave excess cable inside of the gas detector housing. Failure to comply may result in damage to the produc IMPORTANT: To achieve proper seal in the IP66 version, the lid screws should be torqued to 15 to 20 lbf in (1.5 to 2.0 Nm.
  • Page 9 MGS-460 Quick Start Guide 6. Connect MGS-460 to MGS-400 App (User Discretion) The MGS-460 uses a smartphone application to allow users to interface with the gas detector. To download the app, scan here or visit www.mybacharach.com/ apps. IMPORTANT: Default alias, passkey and unlock code can be changed via the MGS-400 App’s configuration...
  • Page 10: Operation Overview

    MGS-460 Quick Start Guide 7. Operation Overview OUTPUT STATE RELAY 1 RELAY 2 RELAY 3 Buzzer Warm-up Normal Low Alarm High Alarm Offline Fault Negative Gas Fault Zero Cal. Fault Span Cal. Fault INPUT STATE MAG #1 TRAP MAG #1 HOLD...
  • Page 11 MGS-460 Quick Start Guide 8a. General Calibration Procedure WARNING: The MGS-460 MAY NOT be in an alarm or fault condition during calibration. Acknowledge any alarms or faults BEFORE attempting to begin the calibration process. WARNING: Except for CO2 or O2 sensors, calibration gas must be in a balance of air, not nitrogen (N2).
  • Page 12 MGS-460 Quick Start Guide 8b. Zero Adjustment WARNING: Except for CO2 or O2 sensors, ambient air may be used instead of zero gas if the area is know to be free of the target gas or any gases to which the sensor may be cross-sensitive.
  • Page 13 MGS-460 Quick Start Guide Part Number Serial Number 1100-XXXX YYMM#### Sensor Type GAS: CO2 10000 PPM Max Range 11. C onfirm the start of calibration: MGS-400 App: press the Start Span button.  Manual: tap within 30-seconds or the instrument will time-out and return MAG#2 ...
  • Page 14 6. Allow sensor to recover / stabilize before the instrument returns to normal operation (green LED). USA Customer Service: +1 724 334 5000 CAN Customer Service: +1 905 882 8985 EU Customer Service: +353 1 284 6388 website: mybacharach.com | email: help@mybacharach.com Copyright © 2018 Bacharach, Inc. All Rights Reserved...

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