Resol WMZ Manual
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Resol WMZ Manual

Resol WMZ Manual

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RESOL WMZ
Mounting
Connection
Operation
en-US/CA
Manual
Thank you for buying this RESOL product.
www.resol.com
Read this manual carefully to get the best perfomance from this unit

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  • Page 1 RESOL WMZ Mounting Connection Operation en-US/CA Manual Thank you for buying this RESOL product. www.resol.com 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 WMZ is to be used for the measurement and the display They contain information on how to avoid of heat quantity and other system data in compliance with the danger described.

  • Page 3: Technical Data

    • power failure protection • user-friendly through easy mounting • easy-to-mount housing in outstanding design The RESOL 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 WMZ is connected to a controller, the VBus master board has to be replaced with the ® VBus slave board! ®...

  • Page 5: Installation

    . Flexible cables are to be attached to the housing using the enclosed strain reliefs and the respective screws. In order to use the RESOL WMZ along with a flowmeter RESOL V40, the following connection is to be carried out sensor terminals ®...

  • Page 6: Operation And Function

    Antifr. type Water Safety prompt: Save? 2.2 graphic display The WMZ has two display levels. In the 1st level, the heat 15 kWh 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 RESOL 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 RESOL 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

    20 % ... 70 vol. % Antifreeze 40 % factory setting: 40 % 6.8 Type of flowmeter Adjustment channel for the flowmeter type which is used. Adjust. values: The factory setting is RESOL V40 flowmeter. back • V40 Antifr. type Water • VTP Flow measurem.

  • 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 WMZ can be adjusted. This way it is possible to use Flow measurem. several WMZ with an individual address in one system. If 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. WMZ 0 * The maximum number of cascaded 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 WMZ is not working properly. fuse T0,8A Operating control lamp flashes red. Operating control lamp off. Sensor defect. An error code instead of a Check the power supply. Is it disconnected? temperature is shown in the correspond- ing sensor indication channel.
  • Page 15 notes 15 |...
  • Page 16 Another use outside the copyright requires the faults can never be excluded, please note: Your own calcula- approval of RESOL – Elektronische Regelungen GmbH. This tions and plans, under consideration of the current standards especially applies for copies, translations, micro films and the and directions should only be basis for your projects.

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