PRESSURE LEAK DETECTOR DLR-P ..
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5. Installing the System
5.1
Basic Instructions
o
Prior to commencing work, the documentation must be read and un-
derstood. In case of ambiguities, please refer to the manufacturer.
o
The safety instructions in this documentation must be adhered to.
o
Only qualified service companies may be used for installation
o
Comply with relevant regulations for prevention of accidents.
o
Lead-throughs for pneumatic and electric connection lines,
through which the explosion atmosphere can carry over, must be
sealed gas-tight.
o
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.
o
If nitrogen is used to pressurize the interstitial space initially, ap-
propriate safety precautions must be taken (e.g. secure cylinder,
use appropriate pressure reducer, ensure ventilation in areas and
shafts …).
o
Provide a test valve at the end facing away from the leak detector
at the end of the pipe(s)/fitting(s).
o
Before entering inspection chambers, the oxygen content must be
tested and the inspection chamber flushed if necessary.
o
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.
o
Important notes on personal protective equipment are provided in
chapter 2.4.
5.2
Leak Detector
(1) Generally mounted on walls with plugs and screws.
(2)
NOT in potentially explosive areas.
(3) Plastic housing:
−
In a dry room or
−
Outdoor in a suitable protective box. This requires an addi-
tional external signal or signal forwarding via voltage-free con-
tacts to a switch board or similar device.
(4) Stainless steel housing: Outdoor or in a building
(5) Dimensions of housings and drilling patterns are illustrated in
Appendix 12.1 to 12.3.
5.3
Dry filter
(1) Near the leak detector, if possible. If a leak detector is installed in
the protective box, the dry filter can be installed in the protection
box or outdoors.
Installation