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CUT-OFF (alarm activated in case of leak of
O2 pressure or low O2 pressure.
•
Enable and open the N 2 O regulator (4.7) at
around 2 l/min on flowmeter (4.2).
•
Close the O 2 supply from distribution
system.
•
The O 2 pressure on manometer (4.10) must
fall to zero and after a few seconds iN 2 O
must automatically close and the pressione
on the relevant manometer must fall (4.9).
•
The acoustic alarm (whistle) of flowmeter box
must sound.
Against the simultaneous delivery of Air and
N 2 O.
•
Enable and open the N 2 O regulator (4.7);
verify that gas is passing through and close
it.
•
Enable and open the Air regulator (4.6);
verify that gas is passing and close it.
User's Manual, DU3310103-MRI / rev.3 - 02.05.2019
Restore the O 2 supply from distribution system and close the N 2 O
regulator on flowmeter box.
Preparation to use
6-41
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