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WMZ Plus
Calorimeter
Manual for the
specialised craftsman
Installation
Operation
Functions and options
Troubleshooting
The Internet portal for easy and secure access to your
system data – www.vbus.net
Thank you for buying this RESOL product.
Please read this manual carefully to get the best performance from this unit. Please keep this manual safe.
Beginning with firmware version 1.01
en
Manual
www.resol.com
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Table of Contents
Related Manuals for Resol WMZ Plus
Summary of Contents for Resol WMZ Plus
- Page 1 The Internet portal for easy and secure access to your system data – www.vbus.net Thank you for buying this RESOL product. Manual Please read this manual carefully to get the best performance from this unit. Please keep this manual safe.
- Page 2 Please pay attention to the following safety advice in order to avoid danger and Proper usage damage to people and property. The WMZ Plus is designed for measuring and indicating heat quantities in compli- Danger of electric shock: ance with the technical data specified in this manual.
- Page 3 Decommissioning Description of symbols Disconnect the device from the power supply. Warnings are indicated with a warning symbol! Dismount the device. Signal words describe the danger that may occur, when it is not avoided. WARNING means that injury, possibly life-threatening injury, can occur. Disposal Î...
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Page 4: Table Of Contents
Universal calorimeter module for solar, heating and cooling systems. Graphic display The WMZ Plus meters the heat quantity as well as the cold quantity. The total en- for indication of flow and return temperature, heat quantity, flow rate and sensor ergy results from the sum of heat and cold energy. -
Page 5: Overview
Technical data Overview Inputs: 4 Pt1000 temperature sensors, 2 impulse inputs (adjustable), 2 4-20 mA • Single or combined measurement of heat and cold energy inputs (convertible to 0-10 V), 2 analogue Grundfos Direct Sensors (VFS) • Two independent calorimeters Outputs: 2 S0 outputs •... -
Page 6: Installation
Installation 2.1 Mounting Dimensions and minimum distances WARNING! Electric shock! Upon opening the housing, live parts are exposed! 110 mm Î Always disconnect the device from power supply 20 mm before opening the housing! Note Strong electromagnetic fields can impair the function of the device. Î... -
Page 7: Electrical Connection
2.2 Electrical connection The cables carry low voltage and must not run together in a cable conduit with cables carrying a voltage higher than 50 V (please pay attention to the valid local WARNING! Electric shock! regulations). The cable lentghs depend on the cross sectional area. Example: up to Upon opening the housing, live parts are exposed! 100 m at 1.5 mm², up to 50 m at 0.75 mm². -
Page 8: Data Communication / Bus
GND = blue GND = blue 50 - 60 Hz 1 = green 1 = green 1 = black 1 = black WMZ Plus 5 = white 5 = white 5 = brown 5 = brown IP 20 Made in Germany... -
Page 9: Microsd Card Slot
2.4 MicroSD card slot Operation and function The device is equipped with a MicroSD card slot. 3.1 Buttons and adjustment dial With a MicroSD card, the following functions can be carried out: • Store measurement and balance values onto the MicroSD card. After the trans- fer to a computer, the values can be opened and visualised, e.g. -
Page 10: Parameterisation Mode
3.3 Parameterisation mode Values and options can be changed in different ways: Numeric values can be adjusted by means of a slide bar. The minimum value is indi- After the installer code is entered (see page 20), the device changes to the pa- cated to the left, the maximum value to the right. -
Page 11: Menu Structure
3.5 Menu structure Main menu Status Status Balance values HQM 1 Service Messages HQM 2 If more than one item of several can be selected, they will be indicated with check- boxes. When an item has been selected, an x appears inside the checkbox. Version Basic settings SD card... -
Page 12: Flow Rate Sensors
Flow rate sensors The characteristic curve of the voltage and current signal as a function of the flow rate is defined by 2 set points. At a flow rate of Fl.r.1 the voltage signal is Volt 1 and The following flow rate sensor options are available: the current signal Current 1 respectively. -
Page 13: Commissioning
Commissioning 1. Language: Î Adjust the desired menu language. When the system is ready for operation, establish power supply of the device. The device runs an initialisation phase in which the Lightwheel glows red. ® When the device is commissioned or when it is reset, it will run a commissioning menu after the initialisation phase. - Page 14 12. Completing the commissioning menu: 7. Flow rate sensor: After the adjustments have been made, a security en- Î Adjust the desired flow rate sensor. quiry appears. If the security enquiry is confirmed, the Depending on the flow rate sensor selected further adjustments will be saved.
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Page 15: Main Menu
Main menu Status In this menu, different menu areas can be selected. The status menu is divided into the menu areas Status, HQM and Service. The following menus are available: 7.1 Status • Status In the Status / Status menu, all current measured values are indicated in a clear •... -
Page 16: Hqm
7.2 HQM Balance values In the Status / HQM menu, the submenus HQM 1 and HQM 2 can be found in which all current measured values of the flow and return sensors, flow rate and power as well as heat quantity of the corresponding calorimeter are indicated. 7.3 Service In the Status / Service menu, the Messages submenu can be found in which er- ror and warning messages are indicated. -
Page 17: Hqm
Adjustment Factory Description Adjustment range / selection channel setting Metering Selection of quantity to be metered Combined, Heat, Cold Heat Alternative unit Alternative unit option Yes, No Unit Alternative display unit Coal, Gas, Oil, CO , € Factor Conversion factor 0.0000001 …... -
Page 18: Single And Cascade Operation
10.3 Cascade with controller In cascade mode, one or severeal WMZ Plus can be conneted to one controller The WMZ Plus can be used as a single device or in a cascade. Up to 8 WMZ Plus via the VBus ®. -
Page 19: Basic Settings
Yes, No • Running firmware updates on the device. Firmware updates The current software can be downloaded from www.resol.de/firmware. When a MicroSD card with a firmware update is inserted, the enquiry Update? is indicated on the display. Î In order to run an update, select Yes and confirm with the right button (✓). -
Page 20: User Code
Note The device will only recognise a firmware update file if it is stored in a folder named RESOL\WMZ on the first level of the MicroSD card. ÎCreate a folder named RESOL\WMZ on the MicroSD card and ex- tract the downloaded ZIP file into this folder. -
Page 21: Troubleshooting
14 Troubleshooting The display is permanently off. If a malfunction occurs, a message will appear on the display of the device. Press the right button (✓). Display illuminated? WARNING! Electric shock! Upon opening the housing, live parts are exposed! Î Always disconnect the device from power supply be- fore opening the housing! Device has been in standby, everything OK... -
Page 22: Index
15 Index Alternative unit ........................17 Messages ..........................16 MicroSD card ........................20 Mounting ..........................6 Balance values ........................16 Basic settings ........................19 Buttons and adjustment dial ....................9 Parameterisation mode ..................... 10 Calorimeter .......................... 17 Reset ............................17 Cascade .......................... - Page 24 This mounting- and operation manual including all parts is copyrighted. Another faults can never be excluded, please note: use outside the copyright requires the approval of RESOL – Elektronische Re- Your own calculations and plans, under consideration of the current standards and gelungen GmbH.
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