Covidien Puritan Bennett 700 Series, Service Manual

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Service and utility functions
Puritan Bennett™ 700 Series Ventilator System Service Manual 10070389 Rev. A 4-7
Table 4-6: UI/HW sensors
Specific parameter Description Should read within this range...
UI M24V +24 V on UI PCB (in V) 19.5 to 30.7 V
UI M5VD +5 V on UI PCB (in V) 4.7 to 5.4 V
Cara 1/2 V Ventilator model 740: approx. 0
760: 1023 counts
Cara ID Unused.
CB HW ID Controller PCB hardware revision Depends on PCB revision
MB HW ID BBU PCB hardware revision Depends on PCB revision
PS HW ID Pressure solenoid PCB hardware revision Depends on PCB revision
OP HW ID Reserved for future use For future use
Table 4-7: Pressure sol sensors
Specific parameter Description Should read within this range...
P15V +15 V measured on pressure solenoid PCB
(in V) 14.0 to 15.9 V
N15V -15 V measured on pressure solenoid PCB
(in V) 13.7 to 15.7 V
1V2 REF 1 +1.2 V reference 1 on pressure solenoid
PCB (in V) 1.2 to 1.3 V
1V2 REF 2 +1.2 V reference 2 on pressure solenoid
PCB (in V) 1.2 to 1.3 V
Table 4-8: Other data
Specific parameter Description Should read within this range...
Peep I* PEEP pump current (in counts) 183 to 818 counts
% O
2
* Monitored oxygen percentage 9 to 109%
Delivered volume* Delivered volume (in mL/min) 40 to 2000 mL
Humidifier type As specified during SST/EST HME, Dual heated wire, No heated wire
Tubing compliance Ventilator breathing circuit compliance
determined during the last run of SST/EST
(in mL/cmH
2
O)
Pediatric or Adult
ET size As specified during SST/EST 3 to 9 mm
Operational hours Total hours ventilator has operated
*Varies with patient settings during ventilation. Can also be read when not ventilating.