BACHARACH MGS-401 User Manual
1.3
General Safety Statements
WARNING:
Read this manual carefully before using the device. The device will perform as designed
only if it is used and maintained in accordance with the manufacturer's instructions. Otherwise, it
could fail to perform as designed.
WARNING
: Make sure any personnel who will be installing, using, or maintaining this device have
access to the user manual. If electronic access to the user manual is not possible, print a copy of the
manual and keep it in an accessible location near the device.
Failure to obey the following guidelines and/or incorrect installation, operation, servicing, or
maintenance of the device can cause incorrect operation of the device, and personnel who rely on
this product for their safety can sustain serious personal injury or death.
WARNING:
Install, operate, and maintain the device in strict accordance with its labels, cautions,
warnings, instructions, and stated limitations.
The device contains no replaceable or serviceable parts. Repair or alteration of the system beyond
the scope of these instructions or by anyone other than authorized personnel can cause incorrect
operation of the device.
The device is intended for indoor use only. Do not use the device for outdoor applications.
Make sure the device is not located in areas that contain a flammable mixture of gas and air.
Otherwise, an explosion can occur.
The device is not intrinsically safe. Do not use the device in areas classified as hazardous or locations
where explosive concentrations of combustible gases or vapors can occur.
DO NOT
continue to use this equipment if there are any symptoms of damage or improper function.
In the case of such an occurrence, de-energize the power supply and contact a qualified repair
technician or the nearest MSA Bacharach Service Center.
Failure to follow these warnings can result in serious bodily injury or death.
2.
Product Description
2.1
Product Overview
The MGS-401 Entrance Monitor is used to display the gas concentration in compressor rooms to
ensure concentrations are known before workers enter the space.
The MGS-401 can display up to (4) different diffusion gas detectors on a single 3.5” LCD screen and
communication is done through a digital Modbus network. In addition, the MGS-401 can be used on
larger compressor room networks with multiple doors. The IP54 enclosure ensures environmental
protection for indoor or outdoor applications at temperatures of -20
o
C – 50
o
C.
The MGS-401 is powered by 24VAC/DC and includes a 10A, 24VAC/DC relay to connect to ventilation,
a silence pushbutton, and a forced alarm input. The instrument also includes a perimeter strobe and
+85dB audible alarm for notification of personnel.
