Authorized Use; Restrictions - Burkert 8791 Manuel D'utilisation

Type 8791
Authorizeduse
2 auThOrizeD use
incorrect use of the positioner type 8791 can be dangerous to people, nearby equipment and the
environment.
The device is designed for the open-loop control and closed-loop control of media.
▶ Do not expose the device to direct sunlight.
▶ Pulsating direct voltage (rectified alternating voltage without smoothing) must not be used as supply voltage.
▶ In the potentially explosion-risk area the positioner type 8791 may be used only according to the specification
on the separate Ex type label. For use observe the additional information enclosed with the device together
with safety instructions for the explosion-risk area.
▶ Devices without a separate Ex type label may not be used in a potentially explosive area.
▶ During use observe the permitted data, the operating conditions and conditions of use specified in the con-
tract documents and operating instructions, as described in chapter "8 Technical data" in this manual and in
the valve manual for the respective pneumatically actuated valve.
▶ The device may be used only in conjunction with third-party devices and components recommended and
authorised by Bürkert.
▶ In view of the wide range of possible application cases, check whether the positioner is suitable for the spe-
cific application case.
▶ Correct transportation, correct storage and installation and careful use and maintenance are essential for reli-
able and faultless operation.
▶ Use the positioner Type 8791 only as intended.
2.1

restrictions

If exporting the system/device, observe any existing restrictions.
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