Dräger Perseus A500 Instructions For Use Manual page 107

Central gas supply
 Check that the displayed pressures are within
the permissible range, see ''Technical data''.
Gas cylinders
A
1 Slowly open the gas cylinder valves (A).
Check that the displayed pressures are within
the permissible range.
If there is an optional external O
read the pressure from its pressure gauge.
2 Close the gas cylinder valves (A) again.
On devices that are equipped with Advanced
Cylinder Support, the gas cylinder valves can
remain open during operation. These devices are
identified by an appropriate label near the gas
inlets, see page 24.
Instructions for use Perseus A500 SW 1.1n
Checking the O
1 Occlude the Y-piece. To occlude the Y-piece, fit
it firmly to the circuit plug, see page 18.
2 On the gas mixer unit, press the O
The breathing bag fills and the inflow of gas is
audible.
Checking the emergency O
electronically controlled gas mixer)
Prerequisite: The Y-piece is occluded, see
''Checking the O
1 Set O
2 Open the flow control valve (D) of the O
gas cylinder,
2
flowmeter and set the desired O
The breathing bag fills and the inflow of gas is
audible.
3 Close the flow control valve (D).
4 Reset O
flush
2
B
2
flush''.
2
C
switch (C) to Add. O
2
switch (C) to Aux. O
2
System test
+ key (B).
2
delivery (with
D
position.
2
2
flow.
2
position.
2
107