XNX Universal Transmitter - Merkantile

XNX Universal Transmitter2.1 Mounting and Location of DetectorsCautionThe location of the transmitters and sensors should be made inaccordance with any relevant local and national legislation, standardsor codes of practice. Always replace detectors with a detector of thesame type. The detector should be mounted where the gas is mostlikely to be present. The following points should be noted when locatinggas detectors.• When locating detectors consider the possible damage causedby natural events e.g. rain or flooding.• Consider ease of access for functional testing and servicing.• Consider how escaping gas may behave due to natural or forcedair currents.NoteThe placement of detectors should be determined following theadvice of experts having specialist knowledge of gas dispersion,experts having knowledge of the process plant system andequipment involved, safety and engineering personnel. Theagreement reached on the location of detectors should berecorded.2.2.1 Mounting the XNX Universal TransmitterThe XNX Universal Transmitter can be mounted in a number of differentmethods using the integral mounting tabs.Using the mounting tabs, the XNX can be attached to:• flat wall surface®• UnistrutWith the optional Pipe Mount kit, the XNX can be mounted to pipe ofdiameter 2” to 6” (50 to 150mm).A ceiling mount bracket kit (1226A0358) is also available.Section 2 - Installation and Operation 2-37.75"196.85 mm6.00"15.4 mm5.6"124.24 mmAllow12"305mmForMaintenanceService0.55"14.35 mm1.67"42.41 mm1.2"31.75mm4.48"113.8 mm2.054"52.18mm0.625"15.88mm1.768"44.90 mm1.768"44.90 mm0.945"24mmAllow 11" 280mmfor Maint./ServiceXNX withSearchpoint Optima PlusXNX with MPD or Local EC Sensor3.176"80.67 mm4"101.6mm6.138"158.75mm6"152 mmw/sun shieldFigure 2-1. XNX Universal Transmitter Mounting Dimensions andClearances2.1 Mounting and Location of Detectors