6.7 Anesthetic gas scavenging (AGS)
When the AGS is connected to the rear of the
system, the flowmeter on the front indicates
the rate of evacuation.
AGS
The minimum level of evacuation flow is
indicated by the floater being above the
dashed area, corresponding to a flow of
approx. 25 l/min.
The AGS evacuation flow must at least be 25
l/min (STPD), or 10 l/min (STPD) above the set
minute volume, whichever is greatest.
FLOW-i can be connected to both low and
high-flow EVAC systems.
If the hospital scavenging flow exceeds the
the recommended flow range (25-35 l/min), a
flow restrictor unit can be used with the
system. This ameliorates any undesired side
effects due to high hospital evacuation flows.
See Chapter 3, page 43 for more information
on the EVAC restrictor.
CAUTION: If the central scavenging system
is inactive, the gases and agents used for
anesthesia will be emitted into the operation
room.
FLOW-i 4.2, User's Manual
123
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