Connection - Honeywell EK205-M Operating Instructions Manual

36
The pipeline from the pressure sensor to the meter must be laid in a falling
manner so that, where applicable, water cannot damage the pressure sensor or
influence the measurement precision.
6.2

Connection

The EK205-M is available in various equipment variants. Information about this can
be found at www.elster-instromet.com.
DANGER!
Risk of explosion by connection to non-intrinsically-safe and associated
equipment.
When operating the EK205-M in an area at risk of explosion (zones 2) and
connecting devices without certification as an "associated piece of equipment", there
is a risk of explosion.
Therefore:
– When used in an area at risk of explosion, connect the EK205-M to certified,
associated pieces of equipment only in accordance with the valid rules of the art
stated in the design test certificates.
– Connect the EK205-M only to intrinsically safe pieces of equipment whose electric
data correspond to the requirements stated in the design test certificates of the
EK205-M (see section 13.3).
WARNING!
Risk from faulty connection of the device!
The connection of the device may be carried out by a gas expert only (see section
Safety). Faults in this process may result in fatal situations or considerable material
damage.
Therefore:
– Have the connection of the calibrated device be carried out by a gas expert only.
– Also involve this person for subsequent relocations.
– Do not perform any connection changes or relocations of the device
independently.
◼
During connection and commissioning of the EK205-M, observe the requirements of the
associated norms DIN EN 60079-0 and DIN EN 60079-14.
◼
Have the wiring of the connections carried out correctly by a gas expert or a calibration
officer.
◼
Do not connect active outputs against each other and ensure that they have the correct
polarity in advance.
◼
Seal unused cable glands as described in DIN EN 60079-14 using a plug or a suitable
screw-in cover to maintain the required IP protection class (see section 4.1).
◼
Insulate any unused wire (e.g., in multicore cables) at the end by appropriate termination
means. (see "Technische Regel für Betriebssicherheit (TRBS)")
Installation, connection and commissioning