Vega VEGAPULS 62 Operating Instructions Manual

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Vega VEGAPULS 62 Operating Instructions Manual Manual pdf 12 page image

4 Mounting4.1 General instructionsWith instruments with threaded process fitting, suitable tools must beapplied for tightening the hexagon.Warning:The housing must not be used to screw the instrument in! Applyingtightening force can damage internal parts of the housing.Use the recommended cables (see chapter "Connecting to powersupply") and tighten the cable gland.You can give your instrument additional protection against moisturepenetration by leading the connection cable downward in front of thecable entry. Rain and condensation water can thus drain off. Thisapplies mainly to outdoor mounting as well as installation in areaswhere high humidity is expected (e.g. through cleaning processes) oron cooled or heated vessels.Make sure that all parts of the instrument exposed to the process, inparticular the antenna, seal and process fitting, are suitable for theexisting process conditions. These include above all the processpressure, process temperature as well as the chemical properties ofthe medium.You can find the specifications in chapter "Technical data" or on thetype label.4.2 Mounting preparations - Horn antennaThe instrument is also available in versions where the antenna has abigger diameter than the process fitting (thread, flange). The antennamust therefore be disconnected from the process fitting beforemounting. Proceed as follows:1 Loosen the hexagon screws (3) on the antenna socket with anAllen wrench (size 3)2 Remove the antenna (4)Note:The plastic conemust not be pulled out of the antenna socket.3 Insert the antenna from below into the vessel socket and secure itagainst falling off4 Retighten the antenna with hexagon screws to the antenna socket;torque max. 10 Nm (7.5 lbf ft)Screwing inMoistureSuitability for the pro-cess conditionsVEGAPULS 62 • 4 … 20 mA/HART two-wire 114 Mounting36503-EN-100607