Stephan Alia - Page 11

®
2 Mechanical structure
© F. Stephan GmbH SA-112-0106V1.0-WEM-GB 11
The frame of the A
LIA ventilator and its reinforcement bar, fastening
bracket and panels consist of 2 mm thick powder-coated aluminium. The
bottom of the housing has a cut-out for the rechargeable battery.
Fig. 4: Basic housing
1 Reinforcement bar
2 Cut-out for rechargeable battery
3 Rechargeable battery
The intake filter and oxygen sensor are located behind a service flap on
the back of the ventilator.
To open the service flap, loosen the knurled screws by turning counter-
clockwise.
The oxygen sensor is located on the left next to the intake filter. It is
screwed into the connection block.
It can be removed by turning counter-clockwise.
The electrical connection between the oxygen sensor and device consists
of a 2-pin AMP connector.
Basic housing
Service flap
2
3
1