24/10/2018
PRESSURE LEAK DETECTOR
DLR-G ..
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5. Mounting the System
5.1
Basic Instructions
Prior to commencing work, the documentation must be read and
understood. In case of ambiguities, please refer to the manufac-
turer.
The safety instructions in this documentation must be adhered to.
Only qualified service companies may be used for installation.
Comply with relevant regulations for prevention of accidents.
Lead-throughs for pneumatic and electric connection lines,
through which the explosion atmosphere can carry over, must be
sealed gas-tight.
Comply with explosion regulations (if required), e.g. BetrSichV
(and/or directive 1999/92/EC and the laws of the respective
member states resulting therefrom) and/or others.
Compliance with the relevant traffic regulations is required when
transporting pressure gas bottles to and from the construction
site.
The pressure gas bottle must be protected from falling over at the
construction site.
If nitrogen is used, sufficient ventilation must be provided if com-
missioning/operation is performed in enclosed spaces. Attach in-
formation sign.
Provide a test valve at the end facing away from the leak detector
at the end of the pipe(s)/fitting(s).
Before entering inspection chambers, the oxygen content must be
tested and the inspection chamber flushed if necessary.
If metallic connection lines are used, it must be ensured that the
power supply grounding is on the same potential as the pipe to be
monitored.
Some notes on personal protective equipment are provided in
Appendix 12.2.
5.2
Leak Detector
(1) Generally mounted on walls with plugs and screws.
(2) In a dry room, or outdoors in a suitable housing.
(3) If mounted in a protective box: additional external signal or alarm
forwarding via voltage-free contacts to a switchboard or similar
device.
(4)
NOT in potentially explosive areas.
(5) Dimensions of housings and drilling patterns are illustrated in
Appendix 12.3 and 12.4, respectively.
Mounting
