Dräger Cato - Location of Valves and Subsystems

73
Messages, cause and remedy
Location of valves and subsystems
Simplified pneumatic schematic showing
valves and subsystems:
Piston pump
Fresh gas
Breathing bag
Exp.(V5)
V3
V8 V9
Insp.(V4)
V1
PEEP (V6)
APL
*
Pressure O2
MAN/SPONT
changeover
V2
V7
Legend
Subsystem 1
Subsystem 3
Sensor
Filter
Pilot-operated diaphragm valve
Variable-resistance valve
Directional valve
Spring-loaded directional valve
Manually actuated two-way valve
Subsystem 2
Measured gas return line
A-Gas, CO2, O2
⁄
Patient
Absorber
POP-OFF
1
2
3
6
7
8
9
4
5
Inspiration
Exspiration
Pressure
limitation
APL
Location of valves in the breathing
system:
Location of the subsystems:
Subsystem 1 Subsystem 2
Subsystem 3
Piston pumpe
Vapor Pneumatic
interface
The valves are numbered as shown in the following
schematic – V1, V2, ...
06828971
0692897107028971