5 Electric Installation LB 470 Level
56925BA2 Rev. 03, 11/2017
5 Electric Installation
5.1 General Instructions
Danger to life from electric shock!
The installation may only be carried out by a qualified electrician.
Please adhere to the relevant safety regulations.
Open the housing only in a dry environment and for installation, mainte-
nance and servicing.
During installation and servicing on the hardware as well as during wiring
of the detector, the measuring system, connected relay contacts and all in-
puts and outputs must be de-energised.
Connect only devices onto the product that comply with the applicable
safety standards.
In case of an electric shock, carry out first aid measures and immediately call an emer-
gency service.
Apply the voltage of the specified and marked range only!
The relay of the LB 470 can only switch low voltages. Please note the specifica-
tions in appendix Technical Information.
The power source of 24 V DC version of the product must meet the requirements of the
Low Voltage Directive and be equipped with double or reinforced insulation.
The voltage parameters of all devices connected to the outputs of the product (e.g. relay
circuit, RS-485, current output) must comply with the limit values of the safety directives
for electrical measurement, control, regulation and laboratory devices (DIN EN 61010-1)
and be equipped with double or reinforced insulation.
These protective measures are necessary to avoid the risk of contact with life-threatening
voltages.
Changing the installation without precise knowledge of this operating manual is
not permitted.
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