Page 142 (Model J)
18.1.13 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 30 Disconnect Air supply from wall outlet, an audible / visual alarm should be
activated.
Reconnect Air Supply, the alarm should cancel.
Step 31 Disconnect O
2
supply from wall outlet, an audible / visual alarm should be
activated.
Step 32 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.