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Reference Manual
00809-0100-3003
2.4
Installation procedure
Emerson recommends mounting the GDU-Incus between 10 and 16 ft. (3 and 5 m) above
the floor level to eliminate ground reflections and absorption. You may mount the
detector lower than 10 ft. (3 m), but that may reduce the coverage; contact an Emerson
representative for more details.
Check the area of installation for equipment capable of generating high levels of spurious
airborne noise that would not be classified as "normal background noise", such as pressure
release valves, etc. If any are present in the detector range of coverage, contact Emerson
or monitor the detector when activated to ensure immunity.
2.4.1
Mechanical installation
The detector incorporates a dedicated flameproof terminal compartment certified to Ex d
and a flameproof main electronics compartment certified to Ex d, both sealed to IP66/
IP67.
CAUTION
Take care when removing the terminal cover during installation to ensure that the
flamepath surfaces are not scratched or damaged. See
information.
The detector has a large detection radius capability; take care when positioning it to use
the maximum coverage while eliminating blind spots and spurious alarms.
The detector has a variety of mounting options to incorporate installation into most
situations in industrial environments, such as wall/flat surface mounting
flat
surface), vertical pole mounting
where DNV certification is required
The detector should be mounted so that the four sensor heads are pointing vertically
downwards towards the floor or ground. See
Reference Manual
Wire the detector
(Mount to a
pole), and mounting in an environment
(Mount DNV certified
detector).
Figure
2-2.
Installation
December 2020
for more
(Mount to wall or
11
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