BARTEC BENKE HYGROPHIL H 4230-12 Ex Zone II, Operating Instructions Manual, Page: 31 / 112

Safety precautions
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Operating Instructions HYGROPHIL® H 4230-12 BA 060207
2 Safety precautions
HYGROPHIL units are produced in line with regulations currently in force
and only leave the factory following thorough safety tests to ensure that they
are in perfect condition. Please follow the instructions provided with regard
to installing and operating the equipment.
2.1 General information
 Please read the operating instructions prior to installing and starting up
the equipment. Should you have any questions or difficulties, please
contact our service staff.
 Provide your operating and maintenance staff with detailed instructions
and provide them with all the information they need.

The equipment’s internal self-monitoring systems and fault reports do
not replace the safety facilities in the overall system into which the unit is
integrated.
 Make sure that all regulations relating to the operation of your system
are observed.

Warning symbols at different places of the device draw your attention to
dangers:

Open the enclosure door only if there is no explosive atmosphere is pre-
sent.
 Switch the device off an wait at least 5 minutes for cooling down before
opening the enclosure!
2.2 Equipment-specific instructions
 The equipment must be installed and maintained by qualified technical
personnel.
 Make sure that the data and operating conditions specified by BARTEC
are observed.

HYGROPHIL
®
H 4230 is not suitable for measuring humidity in explosive
mixtures of gas for which there are special safety regulations.

The equipment must not be operated in the open air or anywhere sub-
ject to frost unless special measures are taken.
 Measurement gas that leaves the bottom of the equipment and overflow
water may contain hazardous substances from the process. Dispose of
these substances in accordance with the relevant regulations.

Always disconnect the equipment from the power supply before opening
it.
 The gas sampling hose may also get hot on the outside. Do not touch
the hot gas sampling hose! In order to warn you that the surface is hot,
an appropriate warning symbol is attached to the gas sampling hose.
Attention,
general place of
danger!
Danger,
voltage!
Danger,
hot surface!