Service manual

38 Siemens-Elema AB E382 E380E 061 01 03 01
Description of functions Servo Ventilator 300/300A
2
4.1.6 Gas supply
PMA: Measured gas supply pressures
P
AIR
= Air supply pressure
P
O2
= Oxygen supply pressure
Alarm table:
1
The high priority alarm may be downgraded to a silent caution alarm if the set O
2
concen-
tration is between 98 and 100%.
2
The high priority alarm may be downgraded to a silent caution alarm if the set O
2
concen-
tration is between 21 and 23%.
3
In case of P
AIR
or P
O2
< 1.0 bar, the inspiratory flow is compensated for the missing flow by
the remaining gas.
4
In case of gas failure of both gases, the safety valve and the expiratory valve will open. The
alarm in this case:
txet”segassemdnasmralA” noitidnocmralA
wolooterusserpylppus2OwolooterusserpylppusriA
rabX.X:2OrabX.X:riA
P
RIA
rab0.2< dna
P
2O
rab0.2<
txet”segassemdnasmralA” noitidnocmralA
rabX.X:2OrabX.X:riAhgihooterusserpylppusriAP
RIA
rab5.6>
rabX.X:2OrabX.X:riAhgihooterusserpylppus2OP
2O
rab5.6>
rabX.X:2OrabX.X:riAwolooterusserpylppusriAP
RIA
rab0.2<
4&3&1
rabX.X:2OrabX.X:riAwolooterusserpylppus2OP
2O
rab0.2<
4&3&2