Theory of operation
Puritan Bennett™ 700 Series Ventilator System Service Manual
10070389 Rev. A
2-75
Figure 2-61. Air and oxygen flow during retraction
High oxygen flows
Piston retraction speed (L/min)
High-flow solenoid on/off
Oxygen flow from high-flow solenoid (L/min)
Air flow from air intake manifold (L/min)
Low oxygen flows
Piston retraction speed (L/min)
Low-flow solenoid on/off
Oxygen flow from low-flow solenoid (L/min)
Air flow from air intake manifold (L/min)
100% room air flows
Piston retraction speed (L/min)
Air flow from air intake manifold (L/min)
150 L/min
150 L/min
150 L/min
15 L/min
On
Off
Off
On
retraction
135 L/min
150 L/min
150 L/min
150 L/min
150 L/min
7-00169
Summary of Contents for Puritan Bennett 700 Series
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