BIO-MED DEVICES CROSSVENT-3+ - Page 76

X. PARTS LIST AND SCHEMATIC DIAGRAMS- cont.
70
7070
70
SOLENOID VALVE
SOLENOID VALVE
SOLENOID VALVE
SOLENOID VALVE
PILOT VALVE
D.A.R.V.
ATM.
PNEUMOTACH
PATIEN
T
PEEP
MAX PRESSURE
B
A
REG.
PS3
PS4
FAILSAFE
RELIEF VALVE
VACUUM
RELIEF VALVE
EXH. VALVE
POTENTIOMETER
ENTRAINMENT SWITCH
ON OFF
ENTRAINMENT FLOW VALVE
ENTRAINED
AIR
VENTURI
MICROPROCESSOR
CONTROL
CIRCUITRY
D1
D3
D2
SUPPLY PRESSURE SENSING SWITCH
3
1
2
TYPICAL SOLENOID
ARROW NOT INDICATIVE OF
DIRECTION OF FLOW
2
1
2
2
3
1
3
1
ATM.
1
2
3
ATM.= ATMO SHERE
AIRWAY PRESSURE