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Refrigerant Leak Detection

O/N: 1100-2293

 | November 2018 Revision 0

Refrigerant Gas Detector

for Machinery Rooms, Cold Rooms & Freezers

Quick Start

Guide

Summary of Contents for MGS-460

Page 1: ...Refrigerant Leak Detection O N 1100 2293 November 2018 Revision 0 Refrigerant Gas Detector for Machinery Rooms Cold Rooms Freezers Quick Start Guide ...

Page 2: ...uctions CAUTION Except for the maintenance detailed in this manual this product should ONLY be opened and or serviced by authorized personnel Failure to comply may void the warranty WARNING Use this product ONLY for the purposes and under the conditions listed in the user manual Failure to comply may result in injury and or damage to the product WARNING The MGS 460 has not been designed to be intr...

Page 3: ...e 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 This document is only intended as a guide and the manufacturer bears no responsibility for the installation or operation of this unit Failure to install and operate the unit in accordance with these instructions and ...

Page 4: ... 2 Outputs Analog Output 4 to 20 mA 0 to 5V 0 to 10V 1 to 5V default or 2 to 10V Bluetooth Bluetooth Low Energy BLE 4 2 COMPONENT DESCRIPTION 1 M16 Cable Glands 6 2 Rubber Gaskets 2 3 Internal Alarm Buzzer 4 Power Connections 2 5 Digital Connection Modbus 6 Analog Connection 7 Tactile Switch 1 8 Remote Sensor Connections 2 9 Tactile Switch 2 10 Relay 3 Connection FAULT 11 Relay 2 Connection HIGH 1...

Page 5: ...odbus Recommended Belden 3106A or equivalent 3 core 2 twisted pair ground shielded cable with 120 Ω characteristic impedance 16 to 28 AWG Enclosure Material ABS Protection IP66 Temperature Semiconductor 40 to 122 F 40 to 50 C Electrochemical Ranges vary by gas type and or concentration see the MGS 400 User Manual P N 1100 2294 for a full list of temperature ranges Infrared 40 to 122 F 40 to 50 C C...

Page 6: ...f environmental conditions when selecting a location Application the specifics of the application possible leaks air movement draft etc when selecting a location Accessibility the degree of accessibility required for maintenance purposes when selecting a location Target Gas the specific gravity of the target gas when selecting the height of the instrument 2 Using a 5 32 4 mm hex key allen wrench n...

Page 7: ...ion to ensure that the gas detector doesn t go into fault IMPORTANT ALWAYS ensure that all cable glands are properly tightened and unused cable glands are plugged 1 Locate connections Power Analog Modbus Relays and remove terminal blocks from the PCBA 2 Remove plugs from the corresponding M16 cable glands and pass the cable through the opening 3 Secure wires in each terminal block and pressing fir...

Page 8: ...the top 2 Reconnect the ribbon cable from the sensor to the PCBA 3 Ensure no cables are interferring with the sensor module and close the lid 4 Using a 5 32 4 mm hex key allen wrench tighten the lid screws in an X tightening pattern 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 product IMPORTAN...

Page 9: ...tbeat until it has been paired discovery has timed out or has been cancelled 2 Launch the MGS 400 App and click the Bluetooth icon at the bottom of the screen to initiate a scan 3 Select the instrument default is 18TMA from the list of available Bacharach gas detectors 4 When prompted enter the passkey default is 123456 5 Go to configure tab to setup device When prompted enter unlock code to acces...

Page 10: ...ault OFF OFF ON Zero Cal Fault OFF OFF OFF Span Cal Fault OFF OFF OFF STATE INPUT MAG 1 TRAP MAG 1 HOLD MAG 2 TRAP MAG 2 HOLD Warm up Enable Bluetooth Connectivity Disable Bluetooth Connectivity Normal Start Zero Cal Start Span Cal Low Alarm Mute Buzzer Ack Latched Alarm High Alarm Mute Buzzer Ack Latched Alarm Offline Fault Mute Buzzer Ack Latched Fault Negative Gas Fault Mute Buzzer Start Zero C...

Page 11: ... or O2 sensors calibration gas must be in a balance of air not nitrogen N2 IMPORTANT Calibration and or bump testing requires the MGS 400 calibration adapter kit P N 6302 9990 IMPORTANT At elevations higher than 6 560 2 000 m calibration will result in a lower reading See the MGS 400 User Manual P N 1100 2294 for additional information 1 Fit calibration adapter to the gas detector lid 2 If using a...

Page 12: ...l countdown to completion If calibration is successful proceed to Step 12 Manual the LED will blink green red green red red green red red red etc until calibration is complete To abort hold MAG 1 for 5 seconds turn off gas flow and remove the calibration adapter If calibration is successful green LED proceed to Step 12 If calibration is unsuccessful LED blinks orange 2 Hz tap MAG 1 to discard the ...

Page 13: ... hold MAG 2 for 5 seconds turn off gas flow and remove the calibration adapter If calibration is successful LED blinks green orange red proceed to Step 18 If calibration is unsuccessful LED blinks orange 2 Hz tap MAG 2 to discard the calibration attempt and see the MGS 400 User Manual P N 1100 2294 for troubleshooting 13 Turn off gas flow from calibration gas and remove the calibration adapter 14 ...

Page 14: ... of test so that external devices can be disabled silenced 3 Apply a sufficiently high concentration of the target gas to trigger alarms but NOT pure refrigerant or hydrocarbons e g do not use a butane lighter 4 Once thresholds have been exceeded relays should activate digital outputs should transmit the gas concentration and MGS 400 App gas concentration should be displayed the instrument status ...

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