Nivus NFP Instruction Manual

Also see for NFP: Instruction manual

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Nivus NFP Instruction Manual Manual pdf 25 page image

Installation and ConnectionNFP - rev. 04 / 23.05.2018 page 25them not less than 40 mm into the wall or 50 mm into appropriate dowels which need to beset previously.GeneralThe field enclosure has cable glands and dummy plugs. Some of them are screwed in andsome are enclosed as spare parts or additional parts.The transmitter contains:• 1x gland M16x1,5 with counter nut• 2x gland M20x1,5 with counter nutWith the supplied glands the following outer cable cross-sections can be connected reliably:• M16x1,5 3,5…10,5 mm• M20x1,5 6,0…14 mmCables featuring larger outside diameters need to be equipped with cable glands (min. IP65).To guarantee the protection IP65 unused lead-ins have to be locked with an appropriatedummy plug before the initial start-up.20.5 Electrical Installation20.5.1 Transmitter ConnectionImportant NoteThe complete measurement system shall be installed and put into operation by qualifiedpersonnel exclusively.In terms of electric connection please note the device configuration since unspecified inputs,outputs as well as power supply connections are not connected.Warranty of a correct clamp-connectionSupply power and grounding are connected as described below using the spring clamps1…3 (AC unit) or 3…5 (DC unit): To open the spring contact use a slot screwdriver (blade width 2.4…3.5 mm) fromthe top (hanging device from the front) to press down the clamp through the appro-priate opening (see drawing below) and insert the connection wire/strand from thefront (hanging device from the bottom) into the contact opening up to stop.WARNING Disconnect the unit from mains powerEach time before opening the terminal clamp housing ensure to disconnect the NFP fromany voltage.Disregarding may lead to electric shocks.