Zenner MULTIDATA WR3 Manuel d'utilisateur

multidataInstallation and operating manualElectronic energy calculator for heat meterswith 2 inputs/outputs optionally with M-Bus, RS-232 and RS-485A

10Level 1 Level 2Energy at SRDSRDSRD value counter 1SRD value counter 2Energy consumption current monthDate month heating energyMonthly value heating

11LegendPress the button briey (S), to switch through the display from top to bottom.When having reached the last menu item the device automatica

12dtpwork designGrafik, Design, Webdesign, Layout, DTP, Reinzeichnung und Produktion An der Sonnhalde 18 79336 Herbolzheimhttp://www.dtpwork.deDispos

2General informationWith multidata you have acquired one of the most up-to-date, modern heat calculators cur-rently available on the market.Expressive

3 pulse 52/ 5411 10 GNDpulse 1110pulse 1110VCC 2,5 … 3,6 V U = 3 … 30 V Imax = 20 mA tp tp 53/5552/5453/5552/5453/55GNDUhigh = 2,5 … 3,6 VUlow =

4Connector pin assignmentTemperature sensors2-wire measurementSupply 1 - 2Return 3 - 44-wire measurement (optionally)Supply 1 - 2 / 5 - 6Re

5If water meters with a potential free reed contact are connected to the inputs the connection can be made in any direction.Take care of the polarity

6Subject to modications and errors excepted. Any liability for misprints excluded. SAP120966_150622_ENInstallation instructionsSafety instructionsThe

7Installation heat calculatorZENNER recommends to mount the calculator on the wall. Do not mount the device at the pipe or attach it directly on the 

8External power supplyA small vertical line appears in the display when the optional external power supply is on service. In case of a failure of the

9Symbol Status MaßnahmeFlow existent-Attention! Check system / device for errorsData transmission-Emergency operation Exchange deviceExternal power su