Intended Use; Basic Safety Instructions - Burkert 8681 Guide Rapide

2

INTENDED USE

Incorrect use of the control head Type 8681 may be dan-
gerous 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.
` The authorised data, the operating conditions and conditions
of use specified in the contract documents and operating
instructions are to be observed during use.
` In view of the large number of application options, check and,
if necessary, test prior to installation whether the control head
is suitable for the specific application case. Should you have
any questions, please contact your Bürkert Service Centre.
` Use the device only in conjunction with third-party equipment
and components recommended and authorised by Bürkert.
` Any unauthorised reconstructions and changes to the control
head are prohibited for safety reasons.
` Correct transportation, storage and installation as well as
careful operation and maintenance are essential for reliable
and fault-free 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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english
Type 8681
Intended use
3

BASIC SAFETY INSTRUCTIONS

These safety instructions do not consider any contingencies or
incidents which occur during assembly, operation and maintenance.
The operator is responsible for observing the location-specific safety
regulations, also with reference to the personnel.
DANGER
Risk of explosion in an explosive atmosphere (explosive
atmosphere only in the event of a fault, since it is Zone 2)!
` Opening the hood or the housing in an explosive atmosphere
is only permitted when the device is isolated!
` Secure the housing with a lead seal to prevent it from being
opened without a tool!
` Activating the DIP switches on the PCB, using the service
interface and the Teach buttons, is not permitted in an explo-
sive atmosphere!
` Layers of dust on the housing may not exceed 5 mm! Lint,
conductive and non-conductive dust particles are allowed.
The inside of the housing must not be dirty!
` When wiping the control head, use a damp or anti-static cloth
in the potentially explosive atmosphere to prevent electrostatic
charges!