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Summary of Contents for Caleffi solar iSolar Wmz-G1
- Page 1 Mounting Connection Operation en-US/CA Manual Thank you for buying this product. Please read this manual carefully to get the best performance from this unit. Please keep this manual carefully.
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Page 2: Table Of Contents
Information about the product Proper usage WARNING! Warnings are indicated with a The iSolar WMZ-G1 is to be used for the measurement warning triangle! and the display of system data by means of Grundfos Direct Î They contain information Sensors in compliance with the technical data specified in ™... -
Page 3: Technical Data And Overview Of Functions
4 x strain relief and screw Technical Data: Using these parameters and the mea- Housing: The iSolar WMZ-G1 is a measurement surement of flow rate, flow and return and display unit for solar thermal sys- plastic, PC ABS and PMMA temperature, the unit calculates the tems and conventional heating systems. -
Page 4: Vbus Board
VBus board ® When the iSolar WMZ-G1 is connected to a controller, the VBus master board has to be ® replaced with the VBus ® slave board! When several iSolar WMZ-G1 modules are cascaded and connected to a datalogger or PC (see p. -
Page 5: Installation
Installation display 1.1 Mounting WARNING! Electric shock! Opening the housing will expose live parts! Î Switch off power supply and dis- connect the device from mains before opening the housing! cover The unit must only be located in dry interior locations. It is push button not suitable for installation in hazardous locations and should cable conduits with strain... -
Page 6: Data Communication / Bus
= neutral line N = conductor L 12, 13, 14 = grounding 1.3 Data communication / Bus The iSolar WMZ-G1 is equipped with the VBus for data ® VBus transfer with and energy supply to external modules. The... -
Page 7: Menu Structure
2.2 Menu structure In the first line of each submenu you will find the option Main Menu “back” (except in submenu “measured values”), by means of Measured values which you can return to the former display level. Reports After a short time of operation, the display switches to the Balance values submenu “measured values”... -
Page 8: Adjustment Values
4. Balance values Note: The indicated balance values depend on the selected sensor type! Sensor 1 Sensor 2 Temperature: Temperature: Display of balance values “Sensor 1”: 23.8 ° C 0.0 ° C 172.0 ° C 23.9 ° C • Temperature: Min: minimum temperature at sensor 1 in °... - Page 9 Sensors 1 and 2 Signal 1 Select and adjust the parameters and values for the selected Sensor 1 sensor Auto-detect... • Auto-detect... Type RPS-... Start automatic sensor identification Range 0-0.6 bar If you select auto-detect, the sensor identifies itself: type and sensor range are transmitted to the device.
- Page 10 Signal 2 Adjust the parameters referring to the flow rate (signal 2) if a VFS is used: Adjust the parameters and values for the second sensor • Unit: Select the unit of flow rate. signal. The second signal of each sensor depends on the sensor type.
- Page 11 Adjust the parameters referring to differential pressure Adj. values: (signal 2) if a DPS is used: diff.-Pressure Min Alarm • Min Alarm: Max Alarm If the minimum differential pressure is reached, the relay is energised, appears in the display, the LED flashes green and an alarm message appears in the min alarm submenu “Reports”.
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Page 12: Reports
® ® • Subaddress: Î Adjust a subaddress for a iSolar WMZ-G1 An individual module address can be adjusted for a WMZ-G1. This way, it is possible to use several WMZ-G1 Adj. values: with individual addresses in one system. If several... - Page 13 Sensor 1 Signal failure at sensor 1, signal 1 (temperature). Reports: Sensor 1 !Signal 1 fail Signal failure at sensor 1, signal 2 (this can be flow rate, Reports: relative pressure or differential pressure depending on the Sensor 1 sensor type). !Signal 2 fail The adjusted maximum temperature at sensor 1 is ex- Reports:...
- Page 14 Sensor 2 Signal failure at sensor 2, signal 1 (temperature). Reports: Sensor 2 !Signal 1 fail Signal failure at sensor 2, signal 2 (this can be flow rate, Reports: relative pressure or differential pressure depending on the Sensor 2 sensor type) !Signal 2 fail The adjusted maximum temperature at sensor 2 is exceeded! Reports:...
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Page 15: Examples Of Connection
1 ... 15* Bus mode: “Cascaded” The connection sequence at the VBus is arbitrary. ® * The maximum number of cascaded iSolar WMZ-G1 mo- dules is 16. Whether this number can be reached depends controller iSolar WMZ-G1 0 on the construction. -
Page 16: Imprint
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 Reprinting / copying Important notice: This mounting- and operation manual including all parts is The texts and drawings in this manual are correct to the copyrighted.
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