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11.1.12 Gas Supply Alarms
Warning: Disconnect the gas supplies from the wall outlet only. DO NOT
unscrew the hose connections from the rear of the ventilator.
Step 26 Disconnect Air supply from wall outlet, an audible / visual alarm should be
activated.
Reconnect Air Supply, the alarm should cancel.
Step 27 Disconnect O
2
supply from wall outlet, an audible / visual alarm should be
activated.
Step 28 Disconnect Air supply from wall outlet again. The No Gas audible / visual alarm
should be activated.
Reconnect O
2
supply, the alarm should cancel.
Reconnect Air Supply, the alarm should cancel.
Air supply hose
O
2
supply hose
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