Assembly, Connection and Putting into Operation 35
5.2 Connection
The EK280 is available as both a calibrated and non-
calibrated device. Information regarding additional equipment
versions of the EK280 can be found under www.elster-
instromet.com.
DANGER!
The connection of non intrinsically-safe or non-
associated equipment presents a risk of explosion!
The operation of the EK280 in zones 1 and 2 and the con-
nection of non intrinsically-safe equipment which exceeds
those conditions and limit values specified in the declaration
of conformity, presents a risk of explosion.
Therefore:
– The device should only be connected inside zones 1 and
2 and only to certified associated equipment as per the
ATEX Product Directive 94/9/EC.
– Only devices with intrinsically-safe circuits and electrical
data that corresponds to those requirements stipulated in
the declaration of conformity for the EK280 (see Appen-
dix), should be connected.
Risk caused by incorrect connection of the device!
The device should solely be connected by a gas specialist
(see "Safety" chapter). Incorrect connections may lead to life-
threatening situations or significant material damage.
Therefore:
– The calibrated device should only be connected by a gas
specialist.
– The same specialist should also be consulted if subse-
quent changes to location arise.
– Please refrain from unauthorized connections and reloca-
tions of the device.
When connecting the EK280 and putting it into operation, the guidelines
of the corresponding DIN EN 60079-0 and DIN EN 60079-14 standards
should be observed.
The wiring of the connections should be professionally carried out by a
gas specialist or a calibration officer.
Active outputs cannot be switched.
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