S5 Description
User’s Manual, DU3310103-MRI / rev.3 - 02.05.2019
4-5
Safety devices
AGAINST THE ADMINISTRATION OF HYPOXIC MIXTURES
MIX-LIFE: it always guarantees a minimum concentration of 25 %
oxygen on mixtures which includes nitrous oxide.
IN CASE OF LACK OR LOW OXYGEN PRESSURE CUT-OFF:
audible alarm with immediate cut-off of Nitrous Oxide delivery.
AGAINST FRESH GAS HIGH PRESSURE IN SUPPLY : safety
valve calibrated at 0.8 bar for the protection of the glass
rotameters.
IN CASE OF LACK OR COMPRESSED AIR LOW PRESSURE :
all the devices (gas feeding) supplied by compressed air are
automatically supplied by oxygen.
AGAINST THE SIMULTANEOUS DELIVERY OF AIR AND N
2
O :
selection by membrane key on the flowmeter front panel.
Control for activation
of exit of fresh gas for
manual ventilations
Setting of manual modality (MAN) on ventilator keyboard with
automatic deviation of fresh gas or deviation to the manual system
of anaesthesia unit valves group, or to a to-and-fro circuit with
visual indicator.
Automatic deactivation of manual ventilation systems directly by
ventilator control.
O
2
emergency by-
pass
By push button, max flow 35 l/min.
IN gas sockets on
gas supply group
• No. 3 sockets for distribution system (O
2
- N
2
O - AIR)
• No. 2 sockets for cylinder (O
2
- N
2
O)
OUT gas sockets on
gas supply group
•
No. 1 sockets for O
2
• No. 1 sockets O
2
- AIR for active scavenger feeding
• No. 1 fresh gas connector for external use for ex. TO AND
FRO (selectable by apposite membrane key on the front shelf -
AUX).
Other
• Socket for recycle of exhaust monitor gas
• Connection for anaesthetic gas scavenging (optional device:
active type, or passive type)
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