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Flow valve J9
Interconnect
power cable J7
REF 1029568 Rev B
MT2-P2 connects
to air flow sensor
nipple (away from
patient outlet)
MT2-P1 connects
to air flow sensor
nipple (closest to
patient outlet)
Interprocessor
communications
cable J1 and J10
Figure 8-12: Controller PCB connection points
6. Disconnect as needed:
•
Flow valve cable
•
Switch control cable
•
Backup alarm cable
•
Blower cable
•
Interprocessor communications cable
•
Interconnect power cable
•
Tubing from the pressure transducers (MT2-P1, MT2-P2, MT3,
MT4): label tubing to ensure correct reassembly.
NOTE:
To avoid damaging the controller PCB pressure transducers, carefully
remove tubing to avoid pulling on the sensors.
NOTE:
When reconnecting the tubing to the controller PCB sensors, ensure that
the tubing fits tightly. If the tubing has become loose, clip a short length
(2 mm) from the end of the tubing to ensure a snug fit.
BiPAP Focus Ventilator Service Manual © Respironics, Inc.
Component Removal/Installation
Switch control
cable
Backup alarm
cable
Blower cable
J5
Chapter 8
MT3 blower
sensor port
MT4 patient
outlet port
8-11
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