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Caleffi solar iSolar WMZ Manual

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Mounting
Connection
Operation
en-US/CA
Manual
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Summary of Contents for Caleffi solar iSolar WMZ

  • Page 1 Mounting Connection Operation en-US/CA Manual Thank you for buying this product. Read this manual carefully to get the best perfomance from this unit...

  • Page 2: Table Of Contents

    Warnings are indicated with a warning Proper usage triangle! The iSolar WMZ is to be used for the measurement and the They contain information on how to avoid display of heat quantity and other system data in compliance the danger described.

  • Page 3: Technical Data

    • power failure protection • user-friendly through easy mounting • easy-to-mount housing in outstanding design The iSolar WMZ is a universal calorimeter for thermal solar systems and conventional heating systems. This calorimeter especially takes into consideration that the density and the specific heat capacity of the heat transfer fluid depend on the temperature as well as on the mixing ratio of water/glycol.
  • Page 4 For determining the concentration of glycol in the heat transfer medium 280 009 60 VBus board ® attention! When the iSolar WMZ is connected to a control- ler, the VBus master board has to be replaced ® with the VBus slave board! ®...

  • Page 5: Installation

    IP 20 9 10 12 13 14 In order to use the iSolar WMZ along with a flowmeter V40, the following connection is to be carried out (polarity of the VBus sensor terminals ®...

  • Page 6: Operation And Function

    Antifr. type Water Safety prompt: Save? 2.2 graphic display The iSolar WMZ has two display levels. In the 1st level, the 15 kWh heat quantity as well as flow and return temperatures are shown. Furthermore, it contains a system screen. Heat System screen: in the system screen, the system scheme and 85,6 °C...

  • Page 7: Determining The Ratio Of The Glycol-Water

    Commissioning When the iSolar WMZ calorimeter is commissioned for the first time or after a reset, it will run a commissioning menu. The commissioning menu leads the user through the most important adjustment channels needed.
  • Page 8 Flow unit Commissioning: Selection: Litres/hour, Gal./minute Flow unit Litres/hour Factory setting: Litres/hour Energy unit Î Adjust the desired flow rate unit. Antifr. type Water Energy unit Commissioning: Selection: kWh, BTU Energy unit Factory setting: kWh Antifr. type Water Î Adjust the desired energy unit. Antifreeze 40 % antifr.

  • Page 9: Function

    Function During the calculation of the transferred heat quantity, the calorimeter iSolar WMZ takes into account that the specific heat capacity c and the density r depend on the temperature and the mixing proportion (access to limited values). Using these parameters, the measurement of the flow and return...

  • Page 10: Volumetric Flow Rate

    6.3 Volumetric flow rate The volumetric flow rate is indicated (l/h or gpm). 200 l/h Flow 85,6 °C 45,7 °C 6.4 Power The current power is indicated (in kW). 9.30 kW note: Power The precision of the power indication depends on the 85,6 °C flowmeter used.

  • Page 11: Type Of Flowmeter

    Pay attention to the indicated l/Imp on your flowmeter! 6.10 Subaddress Adjustment of the subaddress. An individual module address Adjust. values: for one iSolar WMZ can be adjusted. This way it is possible Flow measurem. to use several iSolar WMZ with an individual address in one Volume/Imp.

  • Page 12: Language

    6.14 Language Selection of the language Adjust. values: • Deutsch Bus mode Cascaded • English Language English • Francais Temp. unit °C • Italiano • Espanol 6.15 Temp. unit Selection of the temperature unit for display indication (°C Adjust. values: or °F).

  • Page 13: Examples Of Connection

    The connection sequence at the VBus is arbitrary. ® iSolar WMZ 0 * The maximum number of cascaded iSolar WMZ modules is 16. Whether this number can be reached depends on the construction. Disturbing factors can be the following: distances, voltage- carrying lines etc.

  • Page 14: Troubleshooting

    Troubleshooting Please pay attention to the following items, if the calorimeter iSolar WMZ is not working properly. fuse T0,8A CALEFFI NORTH AMERICA, Inc. T0,8A Milwaukee, WI 53208 Netz / Mains IP 20 VBus 9 10 12 13 14 Operating control lamp flashes red.
  • Page 15 notes 15 |...
  • Page 16 Distributed by: CaLEFFI nORTH aMERICa, Inc. 3883 W. Milwaukee Rd. Milwaukee, WI 53208 Tel.: +1 414.238.2360 Fax: +1 414.238.2366 www.caleffi.us sales@caleffi.com © all contents of this document are protected by copyright. | 16...

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