Installation and Operating Instructions
Compact Heat Meter
Compact Heat/Cooling Meter
Compact Cooling Meter
SensoStar
Ultrasonic, Single-Jet and Multi-Jet Heat Meters
DE-16-MI004-PTB025 (MID heat)
DE-16-M-PTB-0097 (national German cooling)
CH-T2-18768-00 (national Swiss cooling)
1 Application and Function
This SensoStar is designed for the measurement of the consumed energy in a closed heating, cooling or heating /
cooling system.
2 Contents of the Package
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Heat meter or heat/cooling meter, consisting of a calculator, a flow sensor and two temperature sensors,
all permanently connected to each other
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Installation kit (depending on type)
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Installation and Operating Instructions
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Operating Instructions „Communication Interfaces S3(C)" (with meters with an optional interface)
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Declaration of Conformity
3 General Information
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Valid standards for the application of heat meters: EN 1434, parts 1 – 6; the Measuring Instruments
Directive 2014/32/EU, 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 the verification regulations PTB TR K8 + K9 for Germany (and any
relevant national verification regulations in other countries).
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For combined heat/cooling meters the cooling register has no verification. 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) 2014/30/EU.
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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guarantee and the approved application of the instrument are no longer valid!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 it is 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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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: inlet or outlet flow (see item 3.1 'Pictograms
installation point').
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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.
Further information can be obtained at www.engelmann.de.
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Article no.: 1080621033
2022-02-04
Subject to technical change! Errors excepted.