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TECHNICAL DESCRIPTION A-AUF
General
The main part of the Frame pneumatics is built into the wall gas unit (A-WGU) and comprises:
•
Pipeline gas inlets connections
•
Yokes for gas cylinders (option)
•
High pressure gauges for pipeline and cylinder pressure
•
Oxygen flush pneumatics
•
Scavenging outlet
•
Scavenging ejector (option)
•
Scavenging flow indicator (option)
•
Auxiliary outlets for Air, O
•
Non-return valves and safety valves
There are also pneumatic connections from the A-WGU unit to the Ventilator and Fresh gas control
units as well as to the Bellows block via pneumatic connectors. All these connections are made on
the left side of the Frame behind the side panels.
The Reservoir tube is located on a "tray" which is accessible behind the side panels of the Frame.
Wall Gas Unit pneumatics
The Wall Gas unit can be of three versions A-WGU-00, A-WGU-01, A-WGU-02 and A-WGU-03
The main differences are:
•
A-WGU-00
−
−
−
•
A-WGU-01
−
−
•
A-WGU-02
−
−
−
•
A-WGU-03
−
−
A-AUF pneumatic drawings and technical description of the Wall Gas Unit
Pneumatic drawings
There are four different pneumatic drawings that can be followed during the technical description of
the Wall Gas Unit.
•
A-WGU mounted Oxygen flush without Fresh Gas Flow Indicator
•
A-WGU mounted Oxygen flush with Fresh Gas Flow Indicator
Document No. 8502853
and VAC (option)
2
O
flush knob mounted in the A-WGU.
2
Maximum O
flush flow 25l/min.
2
No Air yoke option available.
O
flush valve mounted either in the A-WGU or at the Frame Table
2
Maximum O
flush flow 50l/min.
2
O
flush valve mounted either in the A-WGU or at the Frame Table
2
Maximum O
flush flow 50l/min.
2
White D-O color
O
flush valve mounted at the frame table
2
Maximum O
flush flow 50l/min.
2
Technical description A-AUF
A-1
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Troubleshooting
