Burkert Type 8681 - Manual (Page 2)

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3. AUTHORIZED USE
Non-authorized use of the Control Head Type 8681
may be a hazard to people, nearby equipment and
the environment.
The Control Head has been designed for use as •
actuation of pneumatically operated process valves
and / or for recording the switching states of these.
Use according to the authorized data, operating condi-
•
tions and conditions of use specifi ed in the contract
documents and operating instructions.
In view of the large number of options for use it might
•
be necessary to test prior to installation whether the
control head is suitable for the concrete use.
If you have any questions, please contact your Bürkert
Service Center.
The device may be used only in conjunction with third-
•
party devices and components recommended and
authorized by Burkert.
Any unauthorized reconstructions and changes to the
•
control head are prohibited for safety reasons.
Correct transportation, correct storage and installation
•
and careful use and maintenance are essential for
reliable and faultless operation.
For connecting the control head, use line installations
•
that do not cause any mechanical stresses.
Use the device only as intended.
•
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Predictable Misuse 3.1.
Do not supply the medium connectors of the system with •
aggressive or fl ammable media.
Do not supply the medium connectors with any liquids. •
Do not physically stress the housing (e.g. by placing objects •
on it or standing on it, or using it as attachment point for
transport work).
Do not make any external modifi cations to the device •
housings. Do not paint the housing parts or screws.
In the explosion-risk area, only wipe the control head with a •
damp or anti-static cloth to avoid electro-static charges!
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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 instal- •
lation, 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!
Danger – high pressure!
Before loosening pneumatic lines and valves, turn off •
the pressure and vent the lines.
Danger of explosion in explosive atmosphere (only in
the event of a fault as zone 2)!
Opening the hood or the housing in an explosive atmo- •
sphere is only allowed in the isolated state!
WARNING!
Risk of electric shock!
Before reaching into the system (except for the •
Teach-In procedure in a non-explosive atmosphere)
switch off the power supply and secure it to prevent
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restarting!
Observe applicable accident prevention and safety •
regulations for electrical equipment!
WARNING!
General Hazardous Situations.
To prevent injuries, ensure that:
the system cannot be activated unintentionally. •
installation and maintenance work, as well as operator •
control actions may be carried out by authorized, quali-
fi ed 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
defi ned or controlled manner.
the device may be installed and 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.
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Type 8681