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Summary of Contents for Neptune Technology L900 MIU Wall
- Page 1 L900™ MIU Pit and Wall Installation and Maintenance Guide...
- Page 3 L900™ MIU Pit and Wall Installation and Maintenance Guide...
- Page 4 Copyright This manual is an unpublished work and contains the trade secrets and confidential information of Neptune Technology Group Inc., which are not to be divulged to third parties and may not be reproduced or transmitted in whole or part, in any form or by any means, electronic or mechanical for any purpose, without the express written permission of Neptune Technology Group Inc.
- Page 5 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Professional Installation In accordance with section 15.203 of the FCC rules and regulations, the L900 MIU must be professionally installed by trained utility meter installers. Industry Canada (IC) Statements: Section 8.4 of RSS-GEN This Device complies with Industry Canada License-exempt RSS standard(s).
- Page 6 Antenne de puits à gain élevé R900, référence 13586-XXX Antenne murale R900, numéro d'article 13717-000 * Antenne fil interne, R900 L900™ MIU Pit and Wall Neptune Technology Group Inc. 1600 Alabama Highway 229 Installation and Maintenance Guide Tallassee, AL 36078 Literature No.
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Page 7: Table Of Contents
Transmitter Specifications Encoder Register Interface Specifications - L900 MIU Pit Environmental Conditions Functional Conditions Dimensions and Weight Specifications - L900 MIU Wall Environmental Conditions Functional Specifications Dimensions and Weight Chapter 3: General Installation Guidelines Tools and Materials Safety and Preliminary Checks... - Page 8 Contents Tools and Materials Site Selection Installing the L900 MIU Remove the Main Housing Applying the Scotchloks Magnet Swiping and Completing the Installation Testing the Installation Completing the Installation Chapter 5: Pit Installation Prior to Installation Storage Unpacking Tools and Materials Site Selection L900 MIU Pit Installation Installing the Antenna...
- Page 9 Contents Chapter 7: Maintenance and Troubleshooting Six- and Four-Wheel Encoders Six-Wheel Encoders Normal Operation Four-Wheel Encoders Normal Operation Troubleshooting Replacement Parts Chapter 8: Contact Information By Phone By Fax By Email Glossary Index L900 MIU Pit and Wall Installation and Maintenance Guide...
- Page 10 Contents This page intentionally left blank. L900 MIU Pit and Wall Installation and Maintenance Guide viii...
- Page 11 Figure 4 – L900 MIU Pit Dimensions - Side Figure 5 – L900 MIU Pit Antenna Figure 6 – L900 MIU Wall Dimensions - Front Figure 7 – L900 MIU Wall Dimensions - Side Figure 8 – Wiring a Neptune Encoder Register Figure 9 –...
- Page 12 Figures Figure 31 – Seating Washer Figure 32 – Apply Novaguard Figure 33 – Tightening Connector Figure 34 – Gasket and Connector Figure 35 – Scotchloks Connector Figure 36 – Color Code for Wires Figure 37 – Seating Connector Wires Figure 38 –...
- Page 13 Table 4 – L900 MIU Pit Functional Specification Table 5 – L900 MIU Wall Environmental Conditions Table 6 – L900 MIU Wall Functional Specifications Table 7 – L900 MIU Wall Dimensions and Weight Table 8 – Recommended Tools Table 9 – Recommended Materials Table 10 –...
- Page 14 Tables This page intentionally left blank. L900 MIU Pit and Wall Installation and Maintenance Guide...
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Page 15: Chapter 1: Product Description
Chapter 1: Product Description This chapter provides a general description of the L900™ meter interface unit (subsequently referred to as L900 MIU). The L900 MIU by Neptune is a compact electronic device that collects meter reading data from an encoder register. It then transmits the data for collection by ®... -
Page 16: Product Description
Chapter 1: Product Description The fixed network message that transmits for use on a LoRa network is sent every three hours. The L900 MIU is designed to offer advantages to utility organizations of all sizes: Increases meter reading accuracy. Eliminates infrastructure concerns and the burden of managing collection devices. -
Page 17: Chapter 2: L900 Specifications
Chapter 2: L900 Specifications This chapter provides you with the specifications for the L900 MIU. Electrical Specifications The power is supplied by a Lithium battery. Transmitter Specifications This section provides information on transmitter specifications. ® Transmit Period Every 20 seconds - R900 standard mobile message Every seven and one-half minutes - R900 standard,... -
Page 18: Specifications - L900 Miu Pit
Chapter 2: L900 Specifications Table 1 – Supported Encoder Maximum Cable Length ® Neptune ARB 300 feet (91 meters) ® Neptune ProRead™ and E-CODER 500 feet (152 meters) Sensus Protocol registers 200 feet (61 meters) Meets manufacturer's published specifications for wire length between encoder and remote receptacle. -
Page 19: Figure 3 - L900 Miu - Pit Dimensions - Front
Chapter 2: L900 Specifications Figure 3 – L900 MIU - Pit Dimensions - Front Figure 4 – L900 MIU Pit Dimensions - Side L900 MIU Pit and Wall Installation and Maintenance Guide... -
Page 20: Specifications - L900 Miu Wall
Register Reading Eight digits L900 MIU ID Nine digits Dimensions and Weight Table 7 – L900 MIU Wall Dimensions and Weight Dimensions Refer to Figure 6 and Figure 7 Weight 1.0 lbs. (454 grams) L900 MIU Pit and Wall Installation and Maintenance Guide... -
Page 21: Figure 6 - L900 Miu Wall Dimensions - Front
Chapter 2: L900 Specifications Figure 6 – L900 MIU Wall Dimensions - Front Figure 7 – L900 MIU Wall Dimensions - Side L900 MIU Pit and Wall Installation and Maintenance Guide... - Page 22 Chapter 2: L900 Specifications This page intentionally left blank. L900 MIU Pit and Wall Installation and Maintenance Guide...
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Page 23: Chapter 3: General Installation Guidelines
Chapter 3: General Installation Guidelines This chapter describes tools, materials, and general installation guidelines for the L900 MIU. Tools and Materials Table 8 below and Table 9 on the next page show the recommended tools and materials you need to successfully install the L900 MIU. It is possible that some items do not apply to your specific installation, or the list does not contain all required tools or materials. -
Page 24: Safety And Preliminary Checks
Chapter 3: General Installation Guidelines Table 9 – Recommended Materials Item Description/Recommendation Cable Solid 3 Conductor #22 AWG Connect L900 MIU to encoder register. (black/green/red) Part # 6431- Moisture Protection Novaguard sealant Cover exposed wires and terminal screws on Compound register and L900 MIU. -
Page 25: Installation Of A Register (Non Pre-Wired Or Potted Only)
Chapter 3: General Installation Guidelines ProRead AutoDetect E-CODER MACH 10 Competitive registers using Sensus which include: Sensus ECRIII, ICE, iPerl, OMNI, and electronic registers; also Hersey/Mueller Translator, Badger ADE, and HR ELCD Before installing an L900 MIU, the encoder register must be correctly wired and/or programmed to work with the L900 MIU. -
Page 26: Figure 8 - Wiring A Neptune Encoder Register
Chapter 3: General Installation Guidelines Figure 8 – Wiring a Neptune Encoder Register Figure 9 – L900 MIU Color Code for Wires 6. If required, connect the three conductor wires to the encoder register's terminal per the manufacturer's instructions. See Figure 8 and Figure 9. -
Page 27: Figure 10 - Cable Threaded Around Strain Relief Posts
Chapter 3: General Installation Guidelines 7. Thread the cable around the strain relief posts of the encoder. See Figure 10. Figure 10 – Cable Threaded Around Strain Relief Posts 8. Apply sealant liberally and ensure that it encapsulates the terminal screws and exposed wires. See Figure 11. Neptune requires Novaguard G661 sealant or Dow Corning compound 4. -
Page 28: Figure 12 - Covering The Terminal Screws
Chapter 3: General Installation Guidelines 9. Snap the cover onto the encoder register. See Figure 12 below. Figure 12 – Covering the Terminal Screws 10. Run the cable to the L900 MIUand fasten it securely. Do not exceed maximum cable lengths as defined in Table 1 on page 4. -
Page 29: Chapter 4: Wall Installation
Neptune sales representative. If one or more items requires reshipment, use the original cardboard box and packing material. Figure 13 – L900 MIU Wall Kit L900 MIU Pit and Wall Installation and Maintenance Guide... -
Page 30: Tools And Materials
Chapter 4: Wall Installation Tools and Materials Table 8 on page 9 and Table 9 on page 10 show the recommended tools and materials you need to successfully install the L900 MIU. It is possible that some items do not apply to your specific installation or the list does not contain all required tools or materials. -
Page 31: Installing The L900 Miu
Complete the following steps to install the wall L900 MIU. 1. Remove the main housing from the mounting adapter. See Figure 14. Figure 14 – L900 MIU Wall Main Housing The Hi-Lo fastener for securing the main L900 MIU housing to the adapter plate is shipped separately. -
Page 32: Applying The Scotchloks
Chapter 4: Wall Installation 2. Study Figure 15 and the location requirements, and then decide how to install the L900 MIU. The cable enters through the cable entry hole in the back of the mounting adapter. When the L900 MIU replaces a receptacle, use the appropriate holes to allow reuse of the receptacle's original mounting holes. -
Page 33: Figure 17 - Color Code For Wires
Chapter 4: Wall Installation 2. Pair the wires according to the color diagram. See Figure 17. Figure 17 – Color Code for Wires 3. Slide the paired wires into the grooves provided until they seat into the back of the gel cap. 4. -
Page 34: Magnet Swiping And Completing The Installation
Chapter 4: Wall Installation Magnet Swiping and Completing the Installation 1. Slide the tongue on the top of the L900 MIU into the groove on the top of the mounting adapter. 2. Secure the L900 MIU to the mounting adapter using the set screw. -
Page 35: Completing The Installation
Chapter 4: Wall Installation 2. When the L900 MIU is installed correctly, its ID number(s) and meter reading(s) appear on the display of the HHU. Verify the correct meter reading(s) by comparing it to the meter’s dial. If the reading(s) is the same, proceed to the next section. 3. - Page 36 Chapter 4: Wall Installation This page intentionally left blank. L900 MIU Pit and Wall Installation and Maintenance Guide...
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Page 37: Chapter 5: Pit Installation
Chapter 5: Pit Installation This chapter describes storage and unpacking instructions, preliminary tests, tools, materials, site selection, and pit installation of the L900 MIU. Prior to Installation Storage Upon receipt, inspect shipping containers and contents for damage prior to storage. After the inspection is complete, store the cartons in a clean, dry environment. -
Page 38: Tools And Materials
Chapter 5: Pit Installation Tools and Materials Table 8 on page 9 and Table 9 on page 10 show the recommended tools and materials you need to successfully install the L900 MIU. Some items may not apply to your specific installation, or the list may not contain all required tools or materials. -
Page 39: L900 Miu Pit Installation
Chapter 5: Pit Installation When installing in a high traffic area, Neptune recommends that the dome of the antenna be recessed in the pit lid as shown in Figure 25. Recessing the installation reduces the range of the antenna. Figure 25 – Antenna Placement for High Traffic Areas For best results, Neptune recommends installing the L900 MIU in a location that provides a direct line of site to the path of the meter reader. -
Page 40: Installing The Antenna
Chapter 5: Pit Installation Select a location for the L900 MIU that meets the recommendations in "Site Selection" on page 24. Installing the Antenna 1. Insert the antenna cable and housing through the 1¾- inch hole in the meter pit lid. See Figure 26. Figure 26 –... -
Page 41: Begin The Installation
Chapter 5: Pit Installation Figure 29 shows a completed installation of the antenna. Figure 29 – Installation Completed Begin the Installation Complete the following steps to install the L900 MIU in a pit. 1. Remove black plastic thread protector cap from the male F-connector on the L900 MIU. -
Page 42: Threading The F-Connector
Chapter 5: Pit Installation 3. Apply a coating of Novaguard around the base of the F-connector and on the flat rubber washer. See Figure 4. Using a torque wrench, connect the coaxial cable connector to the F-connector on the L900 MIU/housing, tightening it to 15 inch-pounds.
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