USER`S MANUAL
Contents
1. After fastening the position of the cable gland can be rotated 180 as well as the position of reed relays can be set 25mm Both adjustments can be done by the switch point adjustment gland as follows loosen the nut above the hexagon neck turn the housing as well as adjust the reed relays vertically to the required position tighten the nut 500 3000 Use a wrench at the hexagon neck to hold the device against rotation while loosening and tightening the nut Ln WARNING The switch point adjustment gland must not be loosened in tanks under pressure Figure 1 Dimensions of the standard version 155 205 25mm adjustment S 55 or 70 Ln 500 3000 jo ice min y Figure 2 Dimensions of the Ex version ORDER CODE NIVOPOINT MR _ _ LIL PROCESS CONNECTION CODE SWITCH POINT CODE LENGTH CODE FLOAT CODE 2 po NOINC D 3 pc NO NC 4 pc NO NC 5 pc NO NC o Om ai e ELECTRICAL CONNECTIONS Standard model Remove the cover pass the wires through the cable gland and connect them in accordance with the sketch on the cover where the state NO NC of the relays is marked The terminal of the lowest switch point has to be number by 1 C is common terminal The cross section of the connecting cable has to be between 0 5 and 2 5 mm After re2. Thank you for choosing a NIVELCO instrument Q LR We are sure that you will be satisfied throughout its use RS NIVOFOINT x 4 MR _ MAGNETIC FLOAT LEVEL SWITCH APPLICATION The NIVOPOINT MR series of magnetic float level switches are applicable for point level switching high or low or for alarm overfill empty in liquids 5 In case of liquids containing metal particles protect the device by using a magnetic filter USER S MANUAL 2 TECHNICAL DATA T OOO ORo RO O P ET Switching rate 120 W VA 250 V AC 3 A reed relay max 9 A Screw terminals in housing with Electrical connection Pg 16 for cables 7 to 14 mm Pg 16 for cables 9 5 to 10 Wire cross section 0 5 to 2 5 mm T or 2 BSPINPT FOX 80x65 0 45 kg 0 3 kg m NIVELCO Process Control Co H 1043 Budapest Dugonics u 11 Tel 36 1 369 7575 Fax 36 1 369 8585 E mail sales nivelco com http www nivelco com OPERATION DIMENSIONS A magnetic float moving alongside the protection tube tracking the level is activating the reed relays incorporated the tube After passing of the float the reed relays will retain their output state The device is capable of direct switching a load within its specification INSTALLATION The device should be mounted in vertical position via its process connection and handled with care to avoid any damage or bend of the protection tube during transportation or installation 155 205 25mm adjustment S 55 or 70
3. e that the above has been carried out STORAGE CONDITIONS Environment temperature range 25 C to 60 C Relative humidity max 98 WARRANTY All Nivelco products are warranted free of defects in materials or workmanship for a period of two years from the date of purchase Repairs under guarantee are carried out at the Manufacturer s premises The Purchaser is liable for costs of dismantling and re installation as well as transport costs Nivelco shall not be liable for misapplication labour claims direct or consequential damage or expense arising from the installation or use of equipment mra1053a0600h_03 06 06 2000
4. placing and fixing the cover arrange earthing at the ground screw located on the outside of the housing Ex version Remove the clamp fixing the cover and screw down the cover Pass the wires through the cable gland and connect them in accordance with the sketch on the cover where the state NO NC of the relays is marked Arrange earthing Tighten screws of the cable fixing bridge on the gland and screw up the cover Fasten retainer clamp by setting it into one of the notch of the cover The terminal of the lowest switch point has to be number by 1 C is common terminal The cross section of the connecting cable has to be between 0 5 and 2 5 mm Tighten screws of the cable fixing bridge on the gland and screw up the cover Fasten retainer clamp by setting it into one of the notch of the cover After replacing and fixing the cover arrange earthing at the ground screw located on the outside of the housing Ground screw Terminal Marking of relay type Figure 3 Housing with removed cover MAINTENANCE REPAIR The instrument does not require regular maintenance In some instances however the sensor probe may need occasional cleaning to remove surface deposits This must be carried out gently without harming the sensor probe Repairs during or beyond the guarantee period are carried out solely by the manufacturer Equipment sent back for repair should be cleaned or sterilised by the User The User must declar
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