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Safety information
1 Safety information
General
This manual contains information that must be observed in the interest of your own safety and to avoid
material damage. This information is supported by symbols which are used in this manual as indicated.
Please read this manual before starting up the device. Store this manual in a place that is accessible to
all users at all times.
If difficulties occur during startup, please do not intervene in any way that could jeopardize your warranty
rights!
The following standards and directives apply to the use of pairs of temperature probes for measuring the
inflow and outflow temperature in a heat exchanger system:
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Product standard DIN EN 1434
•
Product standard DIN EN 60751
•
Directive 2014/32/EU, Annex I and MI-004
•
TR-K7.1, TR-K7.2, TR-K8 and TR-K9
•
German Weights and Measures Act (MessEG)
•
German Weights and Measures Directive (MessEV)
Specifications for electrical installations must be observed.
All installation and maintenance work must be performed by specialist staff trained for this task.
All notes listed in the installation instructions must be observed.
Identification markings and metrology-relevant safety markings/main stamps must not be damaged or
removed – otherwise the temperature probes are no longer admissible for use!
Route the measurement signal lines so that they are at least 50 mm away from other lines, such as grid
supply lines and data transmission lines. We recommend installing lines and computer units 300 mm
away from strong electromagnetic fields, e.g. from frequency-controlled pumps and high-voltage power
lines.
To protect against damage and pollutants, the temperature probes must not be removed from their pack-
aging until immediately before installation.
Do not wind, bend, extend, or shorten the temperature probe lines.
When connecting to a computer unit, always connect the temperature probes first before connecting the
volume measuring unit.
Warning symbols
WARNING!
Risk of burns!
The installation process must be carried out by trained personnel.
When using water additives (corrosion protection, etc.), the operator must make sure there is sufficient
corrosion resistance before installing the temperature probe.
With direct mounting, the temperature probe is immersed in the pipeline without any additional immer-
sion sleeve. During dismounting, always make sure that hot medium does not escape from the pipeline.
Drain the pipeline system or seal off the temperature probe's installation location to relieve pressure.
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