EMS WT Series Operation & Installation Manual
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EMS WT Series Operation & Installation Manual

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WT 2020 F1.0
2020/04
WT-Series
Operation & Installation Manual

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Summary of Contents for EMS WT Series

  • Page 1 WT 2020 F1.0 2020/04 WT-Series Operation & Installation Manual...

  • Page 2: Table Of Contents

    TH 2020 F1.0 2020/04 INDEX 1. Woltmann Water Meter ..............1 1.1. Basic Safety Recommendations ..........1 1.2. Materials and Construction of Water Meter ......1 1.3. Mechanism of Woltmann Water Meter ........2 1.4. Introduction of Woltmann Water Meter ........3 2.

  • Page 3: Woltmann Water Meter

    1. Woltmann Water Meter Description 1.1. Basic Safety Recommendations Before installing or using this product, please read this instruction manual thoroughly. Only qualified personnel shall install and/or repair this product. If a fault appears, please contact your distributor. The water meters are constructed according to state-of-the-art technology and tested operationally reliable.

  • Page 4: Mechanism Of Woltmann Water Meter

    WT-Series is also equipped with sealing, which is used to prevent physical damages of the water meter, so as not to facilitate the perpetration of fraud. The sealing is provided before every water meter is ready to be used and installed. This is used to guarantee that the metrological parameters will not be changed.

  • Page 5: Introduction Of Woltmann Water Meter

    1.4. Introduction of Woltmann Water Meter WT-Series is a Woltmann-type water meter designed for measuring bulk flows of cold potable water for revenue billing in commercial or industrial applications and distribution system monitoring. WT-Series is manufactured from the highest quality materials for maximum resistance to wear and corrosion.

  • Page 6: Technical Data

    2. Technical Data Woltmann Water Meter is manufactured in compliance with international standard. Please confirm that the consumption is within the scope of following flow rate to ensure the lifespan of water meter. In addition, please familiarize yourself with product technical specifications prior to installing WT-Series water meter, such as CMD, water quality, installation environment, etc.

  • Page 7: Head Loss

    Max. working pressure Pmax Max. pressure loss IP68 Protection Degree Maximum permissible ±2 error in upper flowrates range Q  Q  Q Maximum permissible ±5 error in lower flowrates range Q  Q < Q Scale interval 0.0001 0.001 0.001 0.001 0.001...

  • Page 8: Dimension

    2.4 Dimension Length Width Flange From Bottom From Cover Flange Hole Approx. （L5） （D21） (mm) Center to Flange to Flange Hole Numb Weight Range Center Center Diameter(d (kg) (D1 1) (H1) (H2) 92.5 202.5 18.5 18.2 22.8 Unit : mm 【Table 3: Dimensions】...

  • Page 9: Accuracy

    2.5. Accuracy WT-Series is designed and manufactured in a way that its errors (of indication) do not exceed the maximum permissible errors (MPEs), which is based on accuracy class 2 water meters. Equipped with electronic devices, WT-Series is designed and manufactured in a way that significant faults do not occur when it is exposed to the disturbance specified in Performance tests and tests involving the electronic part of a water meter or its devices, according to OIML (R 49:2013).

  • Page 10: Materials

    2.6. Materials 【Table 4: Materials】 2.7. The Calculator 2.7.1. Interfaces The calculator will be provided with interfaces based on the requests. When the interfaces are used, the hardware and software of a water meter will continue to function correctly and the metrological functions of the meter will not be affected. 2.7.2.
  • Page 11 water meter case both before and after correct installation of the water meter. Without damaging the protection devices, dismantling or modification of the meter, adjustment device and correction device, are not allowed for avoiding unauthorized manipulation. 【Picture 6：Protection devices】 Page 9...

  • Page 12: Electronic Register

    3. Electronic Register 3.1 Introduction of Display Functions 【Picture 8: Electronic Register】 （1） : Magnet Symbol, when you place the magnet on the electronic register, the magnet symbol will appear on LCD. （2） Flow Direction: (+) means forward flow, while (-) means reverse flow. （3）...
  • Page 13 （6） : H symbolizes horizontal installation. （7） Battery Life 8 years: Built-in 8 years battery life. （8） : Company logo （9） U0 D0 : No need for straight pipe section （10） T30: Meter temperature classes （11） E1: Severity levels: Residential, commercial and light industrial （12）...

  • Page 14: Intelligent Display Structure

    3.2. Intelligent Display Structure The electronic register has 6 function modes: Net Totalizer, Forward Totalizer, Reverse Totalizer, Flow Rate, Management functions and Recording Modes. Place a magnet on symbol of the electronic register, and then remove the magnet immediately when the magnet symbol appears, at this time, LCD will display 6 function modes in turn in accordance with Picture 6.
  • Page 15 3.2.1. Net Totalizer Net Totalizer is measured in metric system (m ). As the totalized volume reaches the maximum reading, it would restart from 0. In Totalizer Mode, as the impeller starts to rotate, the Moving Indicator ( ) will flash;...
  • Page 16 【Picture 13: Flow Rate】 3.2.5. Management Mode Generally, a water meter can only display totalizer and instant flow rate. EMS Woltmann Water Meter is characterized by the management functions. “Management Functions”, in simple terms, can provide essential management information in water resource management.
  • Page 17 Leak Days（0000 - 9999） Operation Days（0000 - 9999） Static Days (0000-0000) Reverse Days（0000 - 9999） Magnetic Interference Days（0000 - 9999） Battery Power Shortage Days (0000-9999) Valve Switch Times (0000-9999) Overload Times（0000 - 9999） Time (Hour/ Min/ Sec) Date (Year/ Mon/Day) Authorization Number Authorization Date 【Picture 14: Flow Chart of Management Modes】...
  • Page 18 operating. When water stops flowing through the water meter, the accumulated value will not turn to 0; when water starts to flow through the water meter again, the accumulation will resume. （3） OdAy (Static Days): This indicates how many days water has stopped flowing through the water meter.
  • Page 19 3.2.4. Recording Mode The recording mode includes Leak Logs, Magnetic Interference Logs, Totalizer Logs, and Overload Flow-Rate Ranking. Leak Logs （last 3 logs） Magnetic Interference Logs（last 3 logs） Totalizer Logs (last 7 logs) Overload Flow Rate Ranking ( Top 5 logs） 【Picture 15: Flow Chart of Recording Mode】...
  • Page 20 （1）Leak Logs It records the latest 3 leak events, including total number of Leak Days and leak date/time/duration of the last 3 leak events Leak Logs Leak Days Serial No. Start Date (Y/M/D) Start Time (H/M) Leak Duration (H/M) 【Picture16: Leak logs Flow Chart】 Page 18...
  • Page 21 （2）Magnetic Interference Logs It records the latest 3 magnetic interference events, including total number of magnetic interference times, magnetic interference date/time/duration of the last 3 interference events. Magnetic Interference Logs Magnetic Interference Serial No. Start Date (Y/M/D) Start Time (H/M) Duration (H/M) 【Picture 17: Magnetic Interference Logs Flow Chart】...
  • Page 22 （3）Totalizer Logs It records the latest 7 days totalizer. NOTE: the recording interval begins from 00:00 A.M. to the next day’s 00:00 A.M. Totalizer Logs The Date of Last Totalizer Recorded Serial No. Today’s Totalizer 【Picture 18: Totalizer Logs Flow Chart】 Page 20...
  • Page 23 （4）Overload Flow rate Ranking : It records flow rate values which are higher than the maximum admissible flow rate. It saves the highest 5 logs, and classify the logs from high to low in accordance with the averages of overload flow rate. Recorded data includes date, time, duration, average values and overload values.

  • Page 24: Installation

    4. Installation 4.1. General Information  Warning: Installation instructions given below are to be observed in order to guarantee a perfect functioning and a safe operation of the water meter. Please read this guide prior to installing the water meter. The water meter is designed for use with potable water for commercial and industrial activities.
  • Page 25 B. General instruction  The meter must be installed by a trained and instructed worker. Thereby the recognized standards of good practice have to be respected (we refer to the instructions given in ISO 4064-5:2014).  After the manufacturing process all meters are disinfected. The meters must be stored in a dry, cool, dust and germs free environment.
  • Page 26 device must be installed upstream the meter.  The manufacturer’s Q value must not be exceeded for extended periods.  The meter should be protected from stones, sand and fibrous materials with a suitable strainer or filter.  The meter must be protected from pressure surges. ...
  • Page 27  The water meter should be stored in the warehouse and should be placed on the gantry. The stacking height should not exceed 4 layers. The storage time should be reduced as less as possible. H. Product warranty period: The water meter shall be installed within one year from the date of sale.

  • Page 28: Maintenance

    4. Send the water meter back to EMS for inspection. （3） Battery Power Shortage Check Battery Power Shortage Symbol. If the battery symbol has been displayed on the electronic register, please contact EMS for immediately assistance. （4） Woltmann Water Meter cannot display Smart functions or Magnetic Symbol: 1.
  • Page 29 Page 27...

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