Bürkert 8791, Руководство по эксплуатации

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8
Authorized use
auThOrized use 2.
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 conditions and conditions of use specified in the con- •
tract 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 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. •
restrictions 2.1.
If exporting the system/device, observe any existing restrictions.
predictable Misuse 2.2.
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. •
english
Type 8791