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Installation and Operating Instructions
Compact Thermal Energy Meter (Heat Meter, Combined Heat/Cooling Energy Meter)
microCLIMA U/SENSOSTAR®2U
DE-13-MI004-PTB001 (MID heat)
1
Application and Function
Thermal energy meter (heat meter or combined heat/cooling meter) designed for the measurement of the
consumed thermal energy in a closed heating or heating/cooling system.
2
Contents of the Package
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Thermal energy meter (heat meter or combined heat/cooling meter) consisting of a detachable calculator,
a flow sensor and two temperature sensors, all permanently connected to each other.
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Installation kit
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Installation and Operating Instructions
3
General Information
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Valid standards for the application of heat meters: EN 1434, parts 1 – 6; the Measuring Instrument
Directive 2004/22/EC, Annexes I and MI-004; and the relevant national verification regulations.
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For the selection, installation, commissioning, monitoring and maintenance of the instrument observe the
standard EN 1434 part 6 as well as Annex 22 of the verification regulations (for Germany).
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National regulations for the consumption measurement of cooling must be observed.
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The technical regulations for electrical installations must be observed.
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This product fulfils the requirements of the European Council Directive on Electromagnetic Compatibility
(EMC Directive) 2004/108/EC.
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The identification plate of the instrument and the seals must not be removed or damaged – otherwise the
guarantee and the approved application of the instrument are no longer valid!
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To achieve measurement stability of the meter is it necessary that the water quality meet the requirements
of the AGFW-recommendation FW-510 and the document VDI (Association of German Engineers) VDI 2035.
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The heat meter left the factory in conformance with all applicable safety regulations. All maintenance and
repair work is to be carried out only by qualified and authorized technical personnel.
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The instrument must be stored and transported at temperatures above-freezing.
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Instruments with activated radio function are not allowed on air freight.
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The correct installation point in the system must be chosen: forward or return flow, as stated on the type
identification label.
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The temperature sensor cables and the cable between the calculator and flow sensor must not be kinked,
rolled up, lengthened or shortened.
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To clean the heat meter (only if necessary) use a slightly moist cloth.
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To protect against damage and dirt the heat meter should only be removed from the packaging directly
before installation.
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If more than one heat meter is installed in one unit, care must be taken to ensure that all the meters have
the same installation conditions.
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All specifications and instructions listed on the data sheet and in the Application Notes must be adhered to.
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Further information can be obtained at www.engelmann.de.
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Instruments which have been replaced or exchanged must be disposed of according to relevant
environmental regulations.
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The display is deactivated and can be activate for one minute by pushing the button (except calculator
without additional interfaces).
2015_03_03
1
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Summary of Contents for MADDALENA microCLIMA U
- Page 1 Installation and Operating Instructions Compact Thermal Energy Meter (Heat Meter, Combined Heat/Cooling Energy Meter) microCLIMA U/SENSOSTAR®2U DE-13-MI004-PTB001 (MID heat) Application and Function Thermal energy meter (heat meter or combined heat/cooling meter) designed for the measurement of the consumed thermal energy in a closed heating or heating/cooling system.
- Page 2 Definition of pictograms on type identification label Installation in return flow Installation in forward flow Mounting the Flow Sensor Flush the pipes according the generally acknowledged rules of technology. Then close all the shut-off valves. Open the nearest draining valve for pressure release. Drain the closed-off pipe section.
- Page 3 Start of Operation Slowly open the shut-off valves. Check that there are no leaks. Check the following points: Are all shut-off valves open? Is the meter of the right size? Is the heating (heating/cooling) system clear (dirt filters not clogged)? Is the temperature sensor installed in the flow sensor correctly sealed to the flow sensor? Does the directional arrow on the flow sensor match the actual direction of flow? Is a flow volume displayed?
- Page 4 11) Momentary reading of 12) Momentary reading of the pulse counter 1 the pulse counter 2 alternating with the pulse alternating with the pulse 10) Tariff register 2: values value value alternating with tariff register number and criteria 9) Tariff register 1: values alternating with tariff register number and criteria Level 2/Technician’s loop...
- Page 5 Maximum flow qs m³/h 12.0 12.0 Pressure drop ∆p at qp mbar Nominal pressure PN Maximum pressure MAP Low flow threshold Installation length Connection thread inch G3/4B G3/4B G1 1/4B G1 1/4B G1 1/4B Temperature range °C 15 – 90 Mounting position horizontal;...
- Page 6 General information about the M-Bus interface It is important to note that the acknowledged state of the art technology rules and the relevant legal restraints (international and local; see 9.3.1 “Relevant Norms, Standards an Literature on the M-Bus”) are to be observed. The installation has to be performed by authorized, skilled persons.
- Page 7 During M-Bus communication with an end instrument the other interfaces (push-button, optical interface) of this instrument cannot be used. Radio interface wireless M-Bus EN 13757-3, EN 13757-4 (optional) The radio interface is for the transmission of meter data (absolute values). General information about the radio interface Installation of radio components between or behind heating pipes, or the presence of other bulky obstacles directly over or in front of the housing must be avoided.
- Page 8 9.4.3 Activation of the radio interface The radio interface leaves the factory deactivated. It can be activated as follows: a. Without using additional software the radio function can be activated by pressing the push-button for over 3 seconds while at the display item ‘M-Bus address’, second level, item 8 (see section 7 Display, Level 2/Technician’s Loop).
- Page 9 9.5.3 Electrical requirements on the pulse output of the instrument to be connected (e.g. flow meter) Pulse output class (passive) output OA (reed contact/electronic switch) or OC (open collector) according to EN 1434-2:2007 Pulse length "on" ≥ 100 ms Pulse length "off" ≥...
- Page 10 9.6.1 Technical data pulse output Pulse output class OA (electronic switch) according to EN 1434-2:2007 Pulse value heat energy 1 kWh/pulse Pulse value volume (optional) 100 l/pulse Peak switching current 300 mA ~/- Switching voltage, maximum 35 V ~/- Switching power, maximum 300 mW Contact isolation >...
- Page 11 10.1 Message description Message Effect Possible cause Low battery No influence to the calculation Adverse environmental conditions; Long operating time Check sum error No calculations are carried out. The Defective component. registers of flow and energy are not being updated. PROM fault After a reset, the instrument is Defective component.
- Page 12 Engelmann Sensor GmbH Rudolf-Diesel-Str. 24-28 69168 Wiesloch-Baiertal Germany Tel: +49 (0)6222-9800-0 Fax: +49 (0)6222-9800-50 E-Mail: info@engelmann.de www.engelmann.de 14 Contact Maddalena S.p.A. Via G.B. Maddalena, 2/4 33040 Povoletto (UD) – Italy Tel.: +39.0432.634811 Fax.: +39.0432.679820 www.maddalena.it Subject to technical change 2015_03_03...
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