Theory of operation
Puritan Bennett™ 700 Series Ventilator System Service Manual
10070389 Rev. A
2-39
2.3.1 Power assembly
As illustrated in Figure 2-25, the power assembly includes power input components, the BBU
PCB, and a recirculating fan. The harnesses shown in Figure 2-26 interconnect the parts of the
power assembly. The ventilator head/power supply harness (Figure 2-27) connects the power
assembly to the rest of the ventilator.
Figure 2-25. Power assembly (1 of 2)
Baffle
BBU PCB
Side view
7-00125
Power supply fan
BBU PCB/
ventilator head
harness
Power supply
7-00126
Circuit breaker
Potential equalization
connector
External battery
connector
Power switch
Line filter
Front view
(power input components)
Summary of Contents for Puritan Bennett 700 Series
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