DURAG D-LX 200, Manual

Page: 49 / 116

Installation, Commissioning
LX
200
_13_
002
Differenzdruck der Spülluft (hPa)
V
o
lume
ns
tr
Differential Pressure of Purge Air (hPa)
V
o
lume Flow
om
(Nm
³/h)
(Nm³/
h
)
re of Purge Air (hPa)
V
o
lume Flow
(Nm³/
h
)
Figure 5.6: Volume flow depending on the purge air Figure 5.6: Volume flow depending on the purge air
If necessary, the purge air supply must be reliably ensured even during
downtime of the plant. Failure of the purge air supply may not only result in
soiling of the lens of the D
− LX 200, D − LX 720 due to an accumulation of heat,
but the device itself may also be affected.
If necessary, the purge air supply must be reliably ensured even during
downtime of the plant. Failure of the purge air supply may not only result in
soiling of the lens of the D
− LX 200, D − LX 720 due to an accumulation of heat,
but the device itself may also be affected.
The operator must therefore ensure that: The operator must therefore ensure that:

the purge air supply operates reliably and without interruption,

the purge air supply operates reliably and without interruption,

a failure is detected immediately.

a failure is detected immediately.
Connect the D − LX 200, D − LX 720 and the purge air together. To do this, fix
the hose to the provided purge air connection with the ½" female thread on the
pipe screwed joint.
Connect the D − LX 200, D − LX 720 and the purge air together. To do this, fix
the hose to the provided purge air connection with the ½" female thread on the
pipe screwed joint.
Purge air connection 1/2" screw connection with female thread
Commissioning
Figure 5.7: Purge air connection
If using a fibre-optic system, the purge air supply of the D − LX 720 is provided
via the fibre-optic supply. Information on its assembly and installation can be
found in the description of the optional fibre-optic system D
− LL 703/704.
D − LX 200, D − LX 720
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