Cellular MIU (CMIU™) Pit and Wall Installation and Maintenance Guide
Cellular MIU (CMIU™) Pit and Wall Installation and Maintenance Guide
Copyright This manual is an unpublished work and contains the trade secrets and confidential information of Neptune Technology Group Inc., which are not to be divulged to third parties and may not be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.
RF Exposure Information This equipment complies with the FCC RF radiation requirements for uncontrolled environments. To maintain compliance with these requirements, the antenna and any radiating elements should be installed to ensure that a minimum separation distance of 20 cm is maintained from the general population. Changes or modifications not expressly approved by the party responsible for compliance could void the users' authority to operate the equipment.
Cellular MIU (CMIU™) Pit and Wall Neptune Technology Group Inc. Installation and Maintenance Guide 1600 Alabama Highway 229 Literature No. IM CMIU 04.19 Tallassee, AL 36078 Part No. 13682-001 Tel: (800) 633-8754 Fax: (334) 283-7293 Copyright © 2003 - 2019 Firmware © 2016 - 2019 Neptune Technology Group Inc. Neptune Technology Group Inc.. All Rights Reserved. All Rights Reserved.
Contents Chapter 1: Product Description 1 Chapter 2: Specifications 3 Electrical Specifications 3 Transmitter 3 Encoder Register Interface 3 Environmental 4 Functional 4 Dimensions and Weight 4 Chapter 3: General Installation Guidelines Tools and Materials 7 7 Recommended Tools 7 Recommended Materials 8 Safety and Preliminary Checks 8 Verifying and Preparing the Encoder Register 8 Installing a Register (Non Pre-Wired or Potted Only) 9 Chapter 4: Wall Installation 13 Prior to In
Contents Verifying the Meter Reading 21 Chapter 5: Pit Installation 23 Prior to Installation 23 Storage 23 Unpacking 23 Tools and Materials 24 Site Selection 24 Pit CMIU™ Installation 25 Installing the Antenna 26 Begin the Installation 27 Threading the F Connector 27 Installing the Scotchlok™ Connectors 29 Connecting the Splice Tube 32 Tying the Cable and Activating the CMIU™ 33 Testing the Installation 33 Chapter 6: Maintenance and Troubleshooting 35 Six Wheel Encoders 35
Figures Figure 1 – Cellular MIU – Wall 1 Figure 2 – Cellular MIU – Pit 1 Figure 3 – CMIU™ Pit Dimensions - Front and Side 4 Figure 4 – CMIU™ Wall Dimensions - Front and Side 5 Figure 5 – Wiring a Neptune Encoder Register 10 Figure 6 – CMIU™ Color Code for Wires 10 Figure 7 – Cable Threaded Around Strain Relief Posts 11 Figure 8 – Application of the Sealant 11 Figure 9 – Covering the Terminal Screws 12 Figure 10 – CMIU™ Back Plate 14 Figure 11 – CMIU™ Wall Kit 14 Figure 12 – CMIU™ Main
Figures Figure 28 – Inserting the Antenna into the Pit Lid 26 Figure 29 – Locking the Nut on the Antenna 26 Figure 30 – Antenna Installation Complete 26 Figure 31 – Antenna Connector 27 Figure 32 – Components of the Connector 27 Figure 33 – Tightening Connector and Latch Plate 28 Figure 34 – Cone-Shaped Gasket and Connector 28 Figure 35 – Scotchlok™ Connector 29 Figure 36 – CMIU™ Color Code for Wires 29 Figure 37 – Seating Connector Wires 30 Figure 38 – Crimping Tool 30 Figure 39 – Im
Tables Table 1 – Transmitter Specifications 3 Table 2 – Supported Encoder Maximum Cable Length 3 Table 3 – Environmental Conditions 4 Table 4 – Functional Specifications 4 Table 5 – Recommended Tools 7 Table 6 – Recommended Materials 8 Table 7 – Maximum Cable Lengths 15 Table 8 – Cable Length and Manufacturer 25 Table 9 – Example Reading Values 35 Table 10 – CMIU™ Modes 37 Cellular MIU (CMIU™) Pit and Wall Installation and Maintenance Guide xi
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Chapter 1: Product Description This chapter provides a general description of the Neptune Cellular Meter Interface unit (CMIU™) for wall and pit applications. The CMIU is a network endpoint that collects meter reading data from an encoder register. It then transmits the data for collection using 4G LTE cellular technology. The collection data is stored and downloaded into the utility billing system for processing. The CMIU is easily installed in wall or pit applications.
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Chapter 2: Specifications This chapter covers the specifications for the CMIU™. Electrical Specifications The power is supplied by a lithium battery. Transmitter The following table defines the CMIU transmitter specifications.
Chapter 2: Specifications Environmental The following table provides the environmental specifications of the CMIU. Table 3 – Environmental Conditions Condition Description Operating Temperature –22° to 149°F (–30° to 65°C) Storage Temperature –40° to 158°F (–40° to 70°C) Operating Humidity 0 to 100% condensing Functional The following table provides the functional specifications of the CMIU.
Chapter 2: Specifications Figure 4 – CMIU™ Wall Dimensions - Front and Side Cellular MIU (CMIU™) Pit and Wall Installation and Maintenance Guide 5
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Chapter 3: General Installation Guidelines This chapter describes tools, materials, and general installation guidelines for the CMIU™. Tools and Materials Chapter 3 defines the recommended tools and materials you need to successfully install the CMIU. Some items may not apply to your specific installation, or the list may not contain all required tools or materials. Recommended Tools The following table defines the tools recommended to install the CMIU.
Chapter 3: General Installation Guidelines Recommended Materials The following table defines the materials recommended to install the CMIU. Table 6 – Recommended Materials Material Cable Description Solid 3 Conductor #22 AWG (black / Use Connect CMIU to encoder register. green / red) (part # 6431-352) Moisture Protection Novagard® sealant (part# 96018-072) Cover exposed wires and terminal screws on register and CMIU.
Chapter 3: General Installation Guidelines The CMIU also operates with competitor registers using Sensus which include: l l l l l l l Sensus ECRIII ICE iPerl OMNI, and electronic registers Hersey/Mueller Translator Badger ADE HR-E® LCD Before installing a CMIU, the encoder register must be correctly wired and programmed to work with the CMIU. E-CODER registers do not require programming. When using a ProRead encoder register, the non-AutoDetect ProRead register must be programmed for three-wire mode.
Chapter 3: General Installation Guidelines 6. Strip off 1/2 inch of insulation from each of the three wires. Figure 5 – Wiring a Neptune Encoder Register 7. If required, connect the three conductor wires to the encoder register's terminal per the manufacturer's instructions.
Chapter 3: General Installation Guidelines 8. Thread the cable around the strain relief posts of the encoder. Figure 7 – Cable Threaded Around Strain Relief Posts 9. Apply sealant liberally and ensure that it encapsulates the terminal screws and exposed wires. Neptune requires Novagard G661 sealant or Dow® compound 4.
Chapter 3: General Installation Guidelines 10. Snap the cover onto the encoder register. Figure 9 – Covering the Terminal Screws 11. Run the cable to the CMIU and fasten it securely. Do not exceed maximum cable lengths as defined in "Encoder Register Interface" on page 3. If the encoder register is prewired and potted, use Schotchloks for connecting the register to the CMIU.
Chapter 4: Wall Installation This chapter describes storage and unpacking instructions, preliminary tests, tools, materials, site selection, and the wall installation procedure for the CMIU™. Prior to Installation Any existing network registers must be reprogrammed. The CMIU does not have networking capability. Storage After receipt, inspect the shipping containers for damage, and inspect the contents for damage prior to storage.
Chapter 4: Wall Installation Figure 11 – CMIU™ Wall Kit Figure 10 – CMIU™ Back Plate Tools and Materials "Tools and Materials" on page 7 shows the recommended tools and materials you need to successfully install the CMIU. Some items may not apply to your specific installation, or the list does not contain all required tools or materials. Site Selection Always follow your company's safety practices, and installation guidelines when installing a CMIU.
Chapter 4: Wall Installation l l Clear the selected location of all obstructions. Avoid installing the CMIU behind metal fences or walls. The maximum cable length between the encoder register and CMIU depends on the register's manufacturer and model. See the following table for the maximum cable lengths. Table 7 – Maximum Cable Lengths Encoder Register Neptune ARB V. Meets manufacturer's published Maximum Cable Lengths 300 feet (91 meters) specification for wire length to the encoder.
Chapter 4: Wall Installation 2. Study "Site Selection" on page 14 and then decide how to install the CMIU. l You can insert the cable through any of the entry holes in the back of the mounting adapter. A variety of holes allows for a quick and easy installation. l When the CMIU replaces a receptacle, use the appropriate hole to allow reuse of the receptacle's original mounting holes. l When mounting the CMIU to a pipe, use the pipe clamp holes to secure the mounting adapter to a pipe.
Chapter 4: Wall Installation 2. Pair the wires according to the color diagram. Figure 14 – CMIU™ Color Code for Wires 3. Slide the paired wires into the grooves provided until they seat into the back of the gel cap. 4. Squeeze the gel cap firmly using the appropriate crimping tool to ensure a good connection. 5. Repeat this process until all connections are complete. 6. Store excess wire and Scotchloks in the hollow cavity in the back of the CMIU using the strain relief guides.
Chapter 4: Wall Installation 7. Continue to guide the remaining wire through the cable exit notch at the bottom right side of the CMIU. Figure 16 – Cable Exit Notch Completing and Testing the Installation Follow this procedure to complete and test the installation. 1. Slide the tongue on the top of the CMIU into the groove on the top of the mounting adapter. 2. Secure the CMIU to the mounting adapter using the set screw.
Chapter 4: Wall Installation 3. Position the magnet against the left side of the CMIU directly in line with the Neptune logo. 4. Move the magnet up and over the top left corner of the CMIU. Figure 18 – Swiping the CMIU™ Testing the Installation The CMIU Manager is used to verify cellular signal strength and meter reading to ensure that the CMIU is installed correctly. Figure 19 – CMIU™ Manager Options To test the installation, complete the following steps.
Chapter 4: Wall Installation 2. Select a CMIU ID from the list. Figure 20 – Selecting a CMIU™ 3. Click CONNECT.
Chapter 4: Wall Installation 4. Verify the signal strength. If the signal strength is: l Acceptable, continue to the next procedure. l Not acceptable, move the CMIU to another location to improve the signal strength and test the installation again. Figure 22 – Signal Strength Verifying the Meter Reading To verify the meter reading, complete the following steps. 1. From the CMIU Manager menu, select Meter. 2. Verify that the meter reading is valid.
Chapter 4: Wall Installation 3. Install a seal wire or seal clip through the seal hole at the bottom of the main housing. Figure 24 – Installing the Seal Wire 4. Verify that the requirements of the site work order have been met and that you have recorded all information. 5. Clean up the installation site before leaving.
Chapter 5: Pit Installation This chapter describes storage and unpacking instructions, preliminary tests, tools, materials, site selection, and pit installation of the CMIU™. Prior to Installation Follow the procedures in this section before you install the CMIU. Storage After receiving the shipment, inspect the containers for damage and inspect the contents for damage prior to storage. After completing the inspection, store the cartons in a clean, dry environment.
Chapter 5: Pit Installation Tools and Materials The tables in "Tools and Materials" above show the recommended tools and materials you need to successfully install the CMIU. Some items may not apply to your specific installation, or the list may not contain all required tools or materials. Site Selection Installation and operation in moderate temperatures increase reliability and product life. For more information, see "Environmental" on page 4.
Chapter 5: Pit Installation l When installing in a high traffic area, Neptune recommends that the dome of the l antenna be recessed in the pit lid as shown in the following figure. Recessing the installation reduces the range of the antenna. Figure 27 – Antenna Placement for High Traffic Areas Although the CMIU has a cable already attached (2 feet or 6 feet), some installations can require additional cable.
Chapter 5: Pit Installation Installing the Antenna Follow this procedure to install the antenna. 1. Insert the antenna cable and housing through the 1-3/4 inch hole in the meter pit lid. Figure 28 – Inserting the Antenna into the Pit Lid 2. Thread the locking nut onto the antenna, with the unthreaded end toward the lid.
Chapter 5: Pit Installation Begin the Installation Complete the following steps to install the CMIU in a pit. 1. Place the flat black rubber washer around the male antenna connector on the CMIU. Figure 31 – Antenna Connector 2. Apply a coating of Novagard around the base of the antenna connector and inside on the flat rubber washer. 3. Using a torque wrench, connect the coaxial cable connector to the antenna on the CMIU housing tightening it to 16 inch-pounds.
Chapter 5: Pit Installation 1. Make sure the flat washer is properly seated, and then connect the black plastic cable connector housing to the three-lobed plastic latch plate. 2. Tighten the connector by making a 1/4 turn to the right. Figure 33 – Tightening Connector and Latch Plate 3. Slide the black cone-shaped gasket down the cable until it seats against the connector housing. 4. Slide the black plastic female-threaded connector down the coaxial cable. Figure 34 – Cone-Shaped Gasket and Connector 5.
Chapter 5: Pit Installation Installing the Scotchlok™ Connectors Complete the following steps to install the Scotchlok™ connectors. Make sure you complete the steps outlined in "Pit CMIU™ Installation" on page 25 to install the CMIU through the lid before you install the Schotchloks. 1. Use the 3M Scotchlok-type connector to connect the CMIU wires to the encoder wires. 2. Hold the Scotchloks connector between the index finger and thumb with the red cap facing down.
Chapter 5: Pit Installation 3. Take a non-stripped black wire from the pigtail and a non-stripped black wire from the CMIU and insert the wires into the Scotchlok connector until fully seated. Figure 37 – Seating Connector Wires 4. Do not strip colored insulation from the wires, or strip and twist bare wires prior to inserting into a connector. Insert the insulated colored wires directly into the Scotchlok connector. 5. Place the connector (red cap side down) between the jaws of the crimping tool.
Chapter 5: Pit Installation 6. Check to ensure the wires are still fully seated before crimping the connector. The following image illustrates improper connections due to wires not being fully seated. Figure 39 – Improper Connections 7. Squeeze the connector firmly with the proper crimping tool until you hear a pop and gel leaks out the end of the connector. 8. Repeat steps two through six for each color wire. 9.
Chapter 5: Pit Installation Connecting the Splice Tube To finish installing the Scotchloks, complete the following steps to install the connector king splice tube. 1. Take all three connected Scotchloks and push them into the splice tube until fully encapsulated by the silicone grease. Figure 41 – Splice Tube 2. Separate each gray wire and place them in the slots on each side. Figure 42 – Gray Wires in Slots 3. Snap the cover closed to finish the installation.
Chapter 5: Pit Installation Tying the Cable and Activating the CMIU™ Follow this procedure to tie the cable and activate the CMIU. 1. Place the CMIU in the pit location: l In a shallow pit application, you can place the CMIU beside the meter. l In deep pit applications, use a cable tie to suspend the CMIU from the antenna shaft. l Do not lodge the CMIU between the meter box and any components inside the box. Figure 43 – Attaching the CMIU™ to the Antenna Shaft 2.
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Chapter 6: Maintenance and Troubleshooting This chapter takes you through maintenance and troubleshooting procedures for the CMIU™. Six Wheel Encoders If the odometer reads 123456, the CMIU Manager should show 1 2 3 4 5 5 0 0. The sixth digit displayed is a five, if the last digit on the odometer is five through nine. The sixth digit is a zero, if the last digit on the odometer is zero through four. The CMIU adds two zeros on the end to provide an eight-digit reading to the host software.
Chapter 6: Maintenance and Troubleshooting Contact Information Within North America, Neptune Customer Support is available Monday through Friday, 7:00 A.M. to 5:00 P.M. Central Time, by telephone or email. By Phone To contact Neptune Customer Support by phone, complete the following steps. 1. Call (800) 647-4832. 2. Select one of the following options: l 1 if you have a Technical Support Personal Identification Number (PIN). l 2 if you do not have a Technical Support PIN. 3.
Appendix A: CMIU™ Modes The CMIU™ has three modes of operation. l l l Basic Advanced Pro Each mode has a distinct method of operation based on the frequency: l l Of cellular connection to transmit the meter readings. In which the CMIU interrogates the register to store meter readings.
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Appendix B: CMIU™ Manager The CMIU™ Manager is an iOS application that communicates with a CMIU by Bluetooth® link during the installation, troubleshooting, and maintenance of the CMIU. The CMIU Manager provides information on the CMIU: l l l l Status Meter reading Register ID of the connected register Cellular network status The CMIU Manager is compatible with iOS version 9.3 using either an iPhone or iPad. CMIU™ Status The CMIU Status screen provides a snapshot of the current configuration of the CMIU.
Appendix B: CMIU™ Manager Meter Reading An operator can use the CMIU Manager to verify a valid installation of the CMIU with a connected register. Using the Meter button, the operator can verify the meter reading and register ID. Figure 46 – Meter Reading Cellular Network The Cellular Network screen allows an operator to view the signal strength of the cellular connection. This allows the operator to verify cellular connectivity during installation or troubleshooting of a CMIU.
Glossary A antenna (pit) MIU antenna used for pit installations AWG American Wire Gauge C CMIU Cellular Meter Interface Unit F FCC Federal Comunications Commission L Liquid Crystal Display (LCD) Component where the meter-reading and value-added icons are displayed M MIU Meter Interface Unit Cellular MIU (CMIU™) Pit and Wall Installation and Maintenance Guide 41
Glossary R register read time The default time is 15 minutes for all registers. Custom time is not available. S seal pin Small, black plastic nail used to secure the E-CODER®)R900i to the meter serial number Unique identification number given to each MIU at the factory. The default value is the last programmed, plus one. Custom serial numbers are not available.
Index E A E-CODER®)R900i 8 American Wire Gauge 9 encoders AWG 9 four wheel 35 B six wheel 35 backflow 37 battery 3, 13, 23 F F connector 27 C female-threaded connector 27 cable 3, 8, 15 I 22 AWG 3, 9 maximum length 3 three-conductor 9 CMIU 15 iOS 19 M magnet 7, 19 installing 15 maintenance 23 manager 7, 19 mounting adapter 18 testing 19 N conductor wire 10 connector, F 27 Novagard sealant 11, 27 customer support 36 O D operating humidity 4 dimensions 4 P Dow Corning 11 prewi
Index procedures tools 13 maintenance 35 Transport Driver Interface format 9 troubleshooting 35 W ProRead 3 weight 4 R read E-CODER®)R900i 13 receptacle 16 register install 9 potted only 9 S Scotchlok™ 8, 29 seal clip 22 hole 22 sealant 11 signal strength 21 storage 13 strain relief posts 11 T TDI 9 temperature operating 4 storage 4, 13 testing the installation 23 tool kit 7 44 Cellular MIU (CMIU™) Pit and Wall Installation and Maintenance Guide
CMIU™ Pit and Wall 04.19 Part No. 13682-001 © Copyright 2003-2019, Neptune Technology Group Inc. Neptune is a registered trademark of Neptune Technology Group Inc.
