Operating Instructions Artec
11
3.3 O
2
-Flush
By pressing the O
2
Flush push-button, a fast oxygen supply (approx.
50 litres per minute) is activated directly to the fresh-air outlet (not via
the anesthesia vaporizer).
After releasing the O
2
Flush push button it must return to it original
position.
3.4 AIR/N
2
O Mode Switch
The Air / N
2
O Mode Switch is located below the rotary knobs for (AIR
/N
2
O). This offers a pre-selection of the gases AIR or N
2
O. The
respective dosage of the gases is effected via the regulation valve.
3.5 O
2
- supply deficiency signal
In the event of a pressure drop in the supply system (oxygen below
2.0 to 1.5 bar) an acoustic warning alarm is activated for a duration
of at least 7 seconds. An interruption is not possible).
3.6 Nitrous Oxide Block
In the event of a further fall in presure of oxygen to about 1 bar,the ratio of N
2
O is reduced
proportionately to the oxygen supply. Should there be a total fallout of oxygen, the N
2
0 flow
is set to zero. Release of N
2
O is then closed.
The unit stand-by mode can be resumed only by setting the stipulated oxygen pressure of
at least 2 bar at the network inlet.