Safety Instructions - PR 4104 Manual

SaFETy inSTRUcTionS

REcEiPT anD UnPacKing
Unpack the device without damaging it. The packing should always follow the
device until this has been permanently mounted. Check at the receipt of the
device whether the type corresponds to the one ordered.
EnviRonmEnT
Avoid direct sunlight, dust, high temperatures, mechanical vibrations and shock,
as well as rain and heavy moisture. If necessary, heating in excess of the stated
limits for ambient temperatures should be avoided by way of ventilation.
Installation Category II, Pollution Degree 2, and Insulation Class II.
The module is designed to be safe at least under an altitude up to 2 000 m.
moUnTing
Only qualified technicians who are familiar with the technical terms, warnings,
and instruc tions in this installation guide and who are able to follow these should
connect the device.
Should there be any doubt as to the correct handling of the device, please contact
your local distributor or, alternatively, PR electronics a/S.
Mounting and connection of the device should comply with national
legislation for mounting of electric materials, i.e. wire cross section,
protective fuse, and location. Descriptions of input / output and supply
connections are shown in this installation guide and on the side label.
The following apply to fixed hazardous voltages-connected devices:
The max. protective fuse is 10 A. A power switch shall be easily accessible and
close to the device. The power switch shall be marked as the disconnecting unit
for the device.
Ul installation
Use 60/75°C copper conducters only.
For use only in pollution degree 2 or better.
Max. ambient temperature ..........................60°C
Max. wire size .............................................. AWG 26-14
UL file number ............................................. E231911
calibration and adjustment
During calibration and adjustment, the measuring and connection of external
voltages must be carried out according to the specifications of this installation
guide. The technician must use tools and instruments that are safe to use.
cleaning
When disconnected, the device may be cleaned with a cloth moistened with
distilled water.
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41 0 4 V 1 0 0 - UK