Ventilator Control and Drive Theory of Operation
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1.5.2 Power Management
Power management is located behind the Rear Panel Assembly. This module serves as the
voltage supply for the ventilator control and drive BDU, the flowmeter backlight, the work
light, the Breathing System Heater, and the charging/discharging control for the battery.
FIGURE 1-18 Power Board, Top View
FIGURE 1-19 Power Board, Bottom View