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Neptune Technology L900 MIU Pit, Руководство по установке и обслуживанию

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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.

Figure 11  – Application of the Sealant

Any leak point can cause a reading failure in a submerged
meter setting.

L900 MIU Pit and Wall Installation and Maintenance Guide

13

Chapter 3: General Installation Guidelines

Содержание L900 MIU Pit

Страница 1: ...L900 MIU Pit and Wall Installation and Maintenance Guide L900 MIU Pit and Wall Installation and Maintenance Guide...

Страница 2: ......

Страница 3: ...L900 MIU Pit and Wall Installation and Maintenance Guide...

Страница 4: ...nce that may cause undesired operation Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are design...

Страница 5: ...may only operate using an antenna of a type and maximum or lesser gain approved for the transmitter by Industry Canada To reduce potential radio interference to other users the antenna type and its ga...

Страница 6: ...rieur au gain maximal indiqu pour ce type sont strictement interdits pour tre utilis s avec ce p riph rique l Gain maximal admissible de 2 15 dBi et imp dance requise de 75 ohms l Type s d antenne ap...

Страница 7: ...ons L900 MIU Pit 4 Environmental Conditions 4 Functional Conditions 4 Dimensions and Weight 4 Specifications L900 MIU Wall 6 Environmental Conditions 6 Functional Specifications 6 Dimensions and Weigh...

Страница 8: ...IU Pit Installation 25 Installing the Antenna 26 Begin the Installation 27 Threading the F Connector 28 Installing the Scotchloks 29 Connecting the Splice Tube 31 Tying the Cable and Magnet Swiping th...

Страница 9: ...tenance and Troubleshooting 45 Six and Four Wheel Encoders 45 Six Wheel Encoders Normal Operation 45 Four Wheel Encoders Normal Operation 45 Troubleshooting 46 Replacement Parts 46 Chapter 8 Contact I...

Страница 10: ...This page intentionally left blank viii L900 MIU Pit and Wall Installation and Maintenance Guide Contents...

Страница 11: ...15 Figure 14 L900 MIU Wall Main Housing 17 Figure 15 Mounting Adapter 18 Figure 16 Gel Cap Connections 18 Figure 17 Color Code for Wires 19 Figure 18 Adapter Cable 19 Figure 19 Cable Exit Notch 19 Fig...

Страница 12: ...o Antenna 32 Figure 45 Magnet Swipe the L900 MIU 32 Figure 46 HHU Home Screen 35 Figure 47 N_SIGHT Main Screen 36 Figure 48 Data Logger Options 36 Figure 49 Reader ID Input 37 Figure 50 HHU Time Confi...

Страница 13: ...mental Conditions 6 Table 6 L900 MIU Wall Functional Specifications 6 Table 7 L900 MIU Wall Dimensions and Weight 6 Table 8 Recommended Tools 9 Table 9 Recommended Materials 10 Table 10 Maximum Cable...

Страница 14: ...This page intentionally left blank xii L900 MIU Pit and Wall Installation and Maintenance Guide Tables...

Страница 15: ...imum broadcast signal strength is obtainable ensuring a high percentage of accurate one pass readings Figure 1 L900 MIU Wall Figure 2 L900 MIU Pit The L900 MIU meets FCC regulations Part 15 247 allowi...

Страница 16: ...ous data RF Frequency Control Algorithm The L900 MIU s frequency hopping spread spectrum has a sequence of at least 50 different channels for transmitting data Associated with the 50 channels are 50 f...

Страница 17: ...ansmit Period l Every 20 seconds R900 standard mobile message l Every seven and one half minutes R900 standard high power fixed network message l Every three hours LoRa fixed network message Encoder R...

Страница 18: ...MIU 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 Table 2 L900 MIU Pit Environmental Conditions Functional Conditions T...

Страница 19: ...Figure 3 L900 MIU Pit Dimensions Front Figure 4 L900 MIU Pit Dimensions Side L900 MIU Pit and Wall Installation and Maintenance Guide 5 Chapter 2 L900 Specifications...

Страница 20: ...ensing Table 5 L900 MIU Wall Environmental Conditions Functional Specifications Register Reading Eight digits L900 MIU ID Nine digits Table 6 L900 MIU Wall Functional Specifications Dimensions and Wei...

Страница 21: ...Figure 6 L900 MIU Wall Dimensions Front Figure 7 L900 MIU Wall Dimensions Side L900 MIU Pit and Wall Installation and Maintenance Guide 7 Chapter 2 L900 Specifications...

Страница 22: ...This page intentionally left blank Chapter 2 L900 Specifications 8 L900 MIU Pit and Wall Installation and Maintenance Guide...

Страница 23: ...cessfully 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 Item Description Recommendations U...

Страница 24: ...hecks before and during each installation l Verify that you are at the location specified on the site work order l Verify that the site is safe for you and your equipment l Notify the customer of your...

Страница 25: ...ree wire mode using the ProRead programmer and its RF L900 MIU 6 8 or 10 ID TDI format This can be accomplished through the ProRead receptacle before it is removed Installation of a Register Non Pre W...

Страница 26: ...or 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 12 L900 MIU Pit and Wall Installation...

Страница 27: ...d ensure that it encapsulates the terminal screws and exposed wires See Figure 11 Neptune requires Novaguard G661 sealant or Dow Corning compound 4 Figure 11 Application of the Sealant Any leak point...

Страница 28: ...le to the L900 MIUand fasten it securely Do not exceed maximum cable lengths as defined in Table 1 on page 4 If the encoder register is prewired and potted use Scotchloks for connecting the register t...

Страница 29: ...e cartons in a clean dry environment Keep in mind that the L900 MIU has an internal battery Storage for more than one year can affect product life Be sure to use a first in first out inventory control...

Страница 30: ...e 6 Follow these guidelines when selecting a location to install the L900 MIU l For best results Neptune recommends mounting the L900 MIU on the outside of the building and in a location that provides...

Страница 31: ...oder Table 10 Maximum Cable Lengths Installing the L900 MIU Remove the Main Housing Complete the following steps to install the wall L900 MIU Figure 14 L900 MIU Wall Main Housing 1 Remove the main hou...

Страница 32: ...al mounting holes See Figure 15 l When mounting the L900 MIU to a pipe use the pipe clamp holes to secure the mounting adapter to a pipe A variety of holes in the mounting adapter allows for a quick a...

Страница 33: ...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 L900 MIU using the strain relief gu...

Страница 34: ...gnet against the left side of the L900 MIU directly in line with the Neptune logo 4 Move the magnet up and over the top left corner of the L900 MIU See Figure 21 Testing the Installation To test the i...

Страница 35: ...ead encoder register is used l Ensure the unit is programmed in three wire mode l Verify all electrical connections l Magnet swipe the L900 MIU See Step 1 If a problem still exists contact your Neptun...

Страница 36: ...This page intentionally left blank Chapter 4 Wall Installation 22 L900 MIU Pit and Wall Installation and Maintenance Guide...

Страница 37: ...that the L900 MIU has an internal battery Storage for more than one year can affect product life Be sure to use a first in first out inventory control system See Environmental Conditions on page 4 Un...

Страница 38: ...ct life See L900 MIU Pit Environmental Conditions on page 4 Follow these guidelines when selecting a location to install the L900 MIU l For best results select a location where there is no chance that...

Страница 39: ...quire additional cable In these cases the maximum cable length between the encoder register and L900 MIU depends on the register s manufacturer and model Refer to Table 11 for maximum cable lengths En...

Страница 40: ...antenna cable and housing through the 1 inch hole in the meter pit lid See Figure 26 Figure 27 Locking Nut on Antenna 2 Thread the locking nut onto the antenna unthreaded end towards lid See Figure 27...

Страница 41: ...U in a pit Figure 30 Black Thread Guard from Male F Connector 1 Remove black plastic thread protector cap from the male F connector on the L900 MIU Figure 31 Seating Washer 2 Place the flat black rubb...

Страница 42: ...d and then connect the black plastic cable connector housing to the three lobed plastic latch plate 2 Tighten the connector by making a turn to the right as shown in Figure 33 3 Slide the black cone s...

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