Mounting
and
commissioning
Europress
17
9 V battery for alarm in the case of power failure
If a standard 9 V battery is connected, an alarm sound is activated in
the case of a power failure. The alarm sound cannot be muted; it re-
mains on until mains power is available again. When mains power is
available again, the device immediately resumes operation. If a leak
has occurred in the meantime, this is indicated.
6.5
Connection line
Hoses from the leak detector to the tank to be monitored, see also
fig. 6 and fig. 7, page 19.
1.
Use pressure-proof (at least PN10 for tanks containing inflam-
mable liquids), oil- and water-resistant plastic hoses 6 x 2 mm
for the measurement hose (red), the suction hose (green) and
the pressure hose (transparent. The hoses must be resistant to
the stored liquid and its vapours.
2.
Protect the plastic hoses by means of rigid, weather-proof pro-
tective pipes. According to the German TRbF 20 No. 4.1.4 sec-
tion 8, the protective pipes must be resistant to the permeation
of inflammable liquids and their vapours.
3.
The connection lines must have the full cross section over the
entire length, there must be no bends and indentations.
4.
Do not fit any shut-off elements.
5.
Hose connections must be secured by means of hose clamps
which fit over the entire circumference.
Under the following conditions, you may also use quick-action cou-
plings (shutting off at one end, nominal diameter 7.2, Rectu Base
Summary of Contents for 43790
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