Intended Use; Predictable Misuse; Basic Safety Instructions - bürkert 8792 Handbuch

3.

inTended use

Non-intended use of the positioner Type 8792 / 8793
may be a hazard to people, nearby equipment and
the environment.
The device is designed for the open-loop control and
closed-loop control of media.
• The device must not be exposed to direct sunlight.
• Pulsating direct voltage (rectified alternating voltage
without smoothing) must not be used as the power
supply.
• Use according to the authorized data, operating
conditions and conditions of use specified in the
contract documents and operating instructions.
These are described in the chapter entitled "System
description" – "Technical data".
• The device may be used only in conjunction with third-
party devices and components recommended and
authorized by Bürkert.
• Correct transportation, correct storage and installation
and careful use and maintenance are essential for reli-
able and faultless operation.
• Use the device only as intended.
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4. basic safeTy
insTrucTions
These safety instructions do not make allowance for any
• contingencies and events which may arise during the
installation, operation and maintenance of the devices.
• local safety regulations – the operator is responsible for
observing these regulations, also with reference to the
installation personnel.
Danger – high pressure!
• Before loosening the lines and valves, turn off the
pressure and vent the lines.
Risk of electric shock!
• Before reaching into the device or the equipment,
switch off the power supply and secure to prevent
reactivation!
• Observe applicable accident prevention and safety
regulations for electrical equipment!
Risk of burns/risk of fire if used continuously through
hot device surface!
• Keep the device away from highly flammable sub-
stances and media and do not touch with bare hands.
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3.1.

Predictable misuse

• The positioners Type 8792 and Type 8793 must not be
used in areas where there is a risk of explosion.
• Do not supply the medium connectors of the system with
aggressive or flammable mediums.
• Do not supply the medium connectors with any liquids.
• Do not put any loads on the housing (e.g. by placing objects
on it or standing on it).
• Do not make any external modifications to the device
housings. Do not paint the housing parts or screws.
General hazardous situations.
To prevent injury, ensure that:
• That the system cannot be activated unintentionally.
• Installation and repair work may be carried out by
authorised technicians only and with the appropriate
tools.
• After an interruption in the power supply or pneu-
matic supply, ensure that the process is restarted in a
defined or controlled manner.
• The device may be operated only when in perfect
condition and in consideration of the operating
instructions.
• The general rules of technology apply to application
planning and operation of the device.
Type 8792, 8793
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