Stahl KB2, Operating Instructions Manual

Page: 15 / 68

Safety Operating Instructions KB2 Keyboards
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R. STAHL HMI Systems GmbH / OI_Keyboard_KB2_en_V_01_00_02.docx / 07.03.2022 Page 15 of 68
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Regularly inspect the device for a material change. If you spot any changes, test or replace
the device.
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Only the manufacturer may paint / coat the devices with a special, conductive paint.
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No other person is permitted to paint / coat the device or to touch up its paint / coating. Any
repairs must be carried out by the manufacturer only.
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Comply with the area specification of EN/IEC 60079-0 when fitting additional plastic
adhesive labels.
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Clean the device with a damp cloth only.
Improper mounting, installation, commissioning, maintenance or cleaning
Basic work such as installation, commissioning, maintenance or cleaning of the device must
always be performed in accordance with the applicable national regulations of the country of use
and only by qualified persons. Otherwise, the explosion protection may be rendered ineffective.
This may result in explosions causing serious or even fatal injury.

Have the assembly, installation, commissioning and maintenance work performed by
qualified and authorised persons only (see chapter 3.3 Personnel qualification ).
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Prior to commissioning, check the device is correctly mounted (see chapter 7 Mounting and
installation ).
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Electrical circuits with Ex i type of protection may no longer be operated as electrical circuits
with this type of protection after having been operated with electrical circuits with other types
of protection.
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Only connect the device to equipment which does not carry voltages higher than 250 VAC
(50 - 60 Hz).
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Connect Ex i devices only to intrinsically safe terminals.
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In hazardous areas, always switch the electrical circuits and devices to a de-energised state
before disconnecting or connecting and when mounting / dismounting.
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Do not change or modify the device.
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Any repair on the device is to be performed by R. STAHL only.
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Gently clean the device with a damp cloth only
– do not use scratching, abrasive or
aggressive cleaning agents or solutions.
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Never clean the device with a strong water jet, such as a pressure washer !
3.7.2
Risk of injury
Falling devices or components
The device or components can fall during transport and mounting, causing injury to persons in
the form of bruises and contusions.
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Use transporting and lifting equipment suitable for the size and weight of the device when
transporting and mounting it.
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Observe the weight and the maximum load-bearing capacity of the device; see
specifications on the shipping label or on the packaging.
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Use suitable mounting materials for mounting.