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User’s Guide
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LVUN-600
Non-invasive Ultrasonic Point Level Switches
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® OMEGAnet Online Service Internet e-mail omega.com info@omega.com Servicing North America: U.S.A.: One Omega Drive, P.O. Box 4047 ISO 9001 Certified Stamford, CT 06907-0047 TEL: (203) 359-1660 FAX: (203) 359-7700 e-mail: info@omega.com Canada: 976 Bergar Laval (Quebec) H7L 5A1, Canada TEL: (514) 856-6928 FAX: (514) 856-6886 e-mail: info@omega.ca For immediate technical or application assistance: ® U.S.A. and Canada: Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA ® Customer Service: 1-800-622-23
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UNPACKING INSTRUCTIONS UNPACKING INSTRUCTIONS Remove the Packing List and verify that you have received all equipment, includ- ing the following (quantities in parentheses): Ultrasonic Level Switch (1) Operator’s Manual (1) If you have any questions about the shipment, please call the OMEGA Customer Service Department. When you receive the shipment, inspect the container and equipment for signs of damage. Note any evidence of rough handling in transit. Immediately report any damage to the shippi
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TABLE OF CONTENTS Page Chapter 1 Point Level Model Description . . . . . . . . . . . . . . . . . . . . . . . . . .4 Chapter 2 Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Chapter 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-7 Chapter 4 System Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9 Chapter 5 Dimensional Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-1
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SYSTEM DESCRIPTIONS 1 GENERAL DESCRIPTION The LVUN-600 Series Liquid Level Detection system is an ideal, low cost ultrasonic liquid level detection system for many applications. It operates in a broad spec- trum of viscous to light liquids. PRINCIPLES OF OPERATION 2 PRINCIPLES OF OPERATION The LVUN-600 Series operates using ultrasonic sound wave propagation. Ultrasonic sound waves are greatly attenuated when transmitted through air. Conversely, when liquid is present, transmission of the soun
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INSTALLATION 3 GENERAL INSTALLATION All units are easy to install. The sensor with its remote electronic control unit can be mounted in any position or orientation desired. Make sure that all wiring, conduit and electrical fittings conform to local electrical codes for the location selected. VISUAL INSPECTION Unpack the control unit and sensor assemblies. Visually inspect them for any damage. Advise Cosense immediately if either assembly is damaged. PRELIMINARY OPERATIONAL CHECK Before instal
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INSTALLATION 3 CONTROL UNIT Refer to the typical installation diagram and control unit dimensions when installing the control unit. CALIBRATION PROCEDURE After the installation is complete, the system must be calibrated for proper opera- tion. 1. Connect the sensor cable to electronics as shown in wiring diagram. 2. Connect power as per wiring diagram. 3. Turn the power on. 4. Allow the liquid to rise above the sensing point until the relay is energized. 5. Allow the liquid to fall below the s
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INSTALLATION 3 3. Removing power and control wiring cables. 4. Unthreading the sensor. To reinstall, follow Installation Procedure SYSTEM MALFUNCTION Should the system malfunction, notify OMEGA immediately 7 For Ultrasonic Point Level Switches LVUN-600 Series
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SYSTEM WIRING DIAGRAM 4 WIRING DIAGRAM Two Channel For Ultrasonic Point Level Switches LVUN-600 Series 8
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SYSTEM WIRING DIAGRAM 4 WIRING DIAGRAM Multi Channel: Four Channel: Three Channel: 9 For Ultrasonic Point Level Switches LVUN-600 Series
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DIMENSIONAL DRAWINGS 5 ENCLOSURE DIMENSIONS For Ultrasonic Point Level Switches LVUN-600 Series 10
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DIMENSIONAL DRAWINGS 5 TYPICAL APPLICATION For Ultrasonic Point Level Switches LVUN-600 Series 11
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WARRANTY/DISCLAIMER OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace period to the normal one (1) year product warranty to cover handling and shipping time. This ensures that OMEGA’s customers receive maximum coverage on each product. If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service Department w
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Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE Thermocouple, RTD & Thermistor Probes, Connectors, Panels & Assemblies Wire: Thermocouple, RTD & Thermistor Calibrators & Ice Point References Recorders, Controllers & Process Monitors Infrared Pyrometers PRESSURE, STRAIN AND FORCE Transducers & Strain Gages Load Cells & Pressure Gages Displacement Transducers Instrumentation & Accessories FLOW
