BERTHOLD TECHNOLOGIES LB 480, User Manual

Page: 34 / 450

54733BA26
1 – 34
02.2017
5 Explosion Protection Volume 1
5.6
Installation
• Observe the installation and safety instructions in the operating
manual.
• Install according to manufacturer's instructions and applicable
standards and regulations.
• Do not operate device outside of the electrical, thermal and
mechanical characteristics.
• Install the housing cover and the screwed fittings (cable glands,
adapters and sealing plugs) correctly to maintain the housing
protection.
• Unused entries must be sealed with metal sealing plugs.
• Please note also the operating and assembly instructions of the
screwed fittings.
• Evidence of intrinsic safety has to be provided prior to the
installation of intrinsically safe circuits (see IEC 60079-14).
The connection of measuring and test equipment must be con-
sidered! The installation must be carried out based on this
proof.
• Connect the electrical equipment to the local potential equaliza-
tion.
• With shielded cables, the shielding has to be placed on the
detector side. Observe an adequate insulation >500 V between
the screen and the lines.
• The current output and the open-collector circuit are each float-
ing and have a dielectric strength of at least 500 V
eff
.
The circuit of the resistance thermometer is electrically con-
nected to the PA port.
For the supply voltage the dielectric strength is at least 1500
V
eff
.
• Use a connection cable that is permitted and suitable for the
application conditions. Observe local regulations!
• The connection cable (conductor and insulation) must be suit-
able for a continuous operating temperature
≥ Ta +15 K.
• Connected cables must be installed strain-relieved and fixed.
• Do not disassemble the detector housing from the detector
base (see
Bild 5-6 ).
• Use the detectors exclusively for stationary installation.
• Devices that were used in "non Ex-areas" must not be used in
Ex-areas.
• The plan (checklist on page 1-53) for the control of the terminal
compartment has to be completed before commissioning and
every time the terminal compartment has been opened.