Bacharach MGS-408 User Manual
Also see for MGS-408: User manual
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Contents
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1100-2295 Rev 0 14The MGS-408 Gas Detection Controller can be located up to 4500 feet (1372 m) from thefurthest gas monitor when using RS485 communications. The available distance is less whenusing the controller as the power supply for downline gas transmitters. The total power availablefor gas detectors is 51W. Careful attention to voltage drop over distance with a suitable wiregauge employed is also required.The MGS-408 Gas Detection Controller provides an interface by which you can monitor,acknowledge alarms, and observe conditions inside the mechanical room.3.4 Mounting the Gas Detection ControllerThe MGS-408 Gas Detection Controller should be installed plumb and level and securelyfastened to a rigid mounting surface. The enclosure utilizes four mounting holes designed for #6(or M3.5 or M4) pan head fasteners (included). Mounting holes are located in the four corners ofthe enclosure, accessed by opening the front panel. Install and adjust the screws as necessaryto hold the unit securely against the mounting surface.3.5 Electrical WiringThe controller enclosure features M20 two cable glands that are intended for power entry. Ifconduit is preferred simply remove one of the M20 glands and install a suitable ½” conduitadapter.Locate the AC power and Ground on the power input terminal block. Secure the incoming ACpower neutral (white/blue) and live (black/brown) and ground wires to the appropriate terminalsusing a screwdriver on the press to release tabs as shown below.WARNING: Electrical installation should be performed by a certified electrician,and should comply with all applicable NEC/CEC and local electrical safety codes.WARNING: Copper conductors for connection to supply mains must be made inaccordance with NEC/CEC and local codes.CAUTION: Drilling holes in the MGS-408 Gas Detection Controller enclosure maydamage the unit and will void the warranty. Please use cable glands provided forelectrical connections. |
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