Authorized Use; Restrictions; Predictable Misuse - bürkert 8791 Schnellstartanleitung

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.
• The device must not be exposed to direct sunlight.
• Pulsating direct voltage (rectified alternating voltage without
smoothing) must not be used as power supply.
• During use observe the permitted data, the operating condi-
tions and conditions of use specified in the contract documents
and operating instructions, as described in chapter "System
Description" - "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 specific application
case.
• Correct transportation, correct storage and installation and
careful use and maintenance are essential for reliable and fault-
less operation.
• Use the positioner Type 8791 only as intended.
2.1.

restrictions

If exporting the system/device, observe any existing restrictions.
6
english
Type 8791

Authorized use

2.2. Predictable Misuse
• The positioner Type 8791 must not be used in areas where there is
a risk of explosion.
• Do not supply the supply pressure connection of the system with
aggressive or flammable mediums.
• Do not supply the supply pressure connection 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.