Assembly and preparation
60
Instructions for use Primus Infinity Empowered SW 4.5n
Connecting the backup gas cylinders
On the rear of the device:
1 Place full cylinders in the cylinder holders (A)
and secure them with straps.
With the "Operation without nitrous oxide" op-
tion, connection of an N
2O backup gas cylinder
is not possible.
2 Fit the pressure reducers (B) to the cylinder
valves.
3 Connect the gas hoses to the corresponding
ports of the gas inlets (C).
With the "Operation without nitrous oxide" op-
tion, the gas inlet block has sealing caps on the
N2O gas inlets to prevent N2O being connected
by mistake. These sealing caps may only be re-
moved by DrägerService. Before the device is
used again with nitrous oxide, it must undergo a
complete inspection by DrägerService.
4 Connect the pressure sensor lines to the con-
nectors (D) above the gas inlets.
5 Open the cylinder valves.
The LEDs indicating the cylinder pressure status
should illuminate green. If the LEDs do not illumi-
nate, make sure that the sensor plug and pressure
reducer have been connected correctly and that the
cylinder pressure is sufficient.
6 Close the cylinder valves.
CAUTION
Risk of supply failure
If the central gas supply fails, the gas cylinders on
the anesthesia machine will provide a reserve gas
supply.
To prevent a complete gas failure, the cylinders
should remain on the device with valves closed
(see warning below), in reserve even if the an-
esthesia machine is connected to the central gas
supply.
013
N2O O2
A
A
A
A
B
B
C
D
CAUTION
Risk of supply failure
If the valves remain open when connected to the
central gas supply, gas may be withdrawn from
the reserve gas cylinders.
Close cylinder valves whenever the central supply
is sufficient.
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