A-A-54444
The internal battery shall be rechargeable 12 volt battery. Two batteries wired to provide 12 volts is acceptable.
The ventilator battery shall be rechargeable from any of the following inputs: 11 to 30 volts DC positive or negative ground; and nominal 110/230 volts AC, 50-400 Hz, single phase. A totally depleted internal battery shall be capable of being fully recharged within 24 hours from any of the voltages cited.
The ventilator apparatus shall include a patient valve with a removable PEEP valve (attached), all tubing and connectors required for complete ventilator system operation, a separate AC power supply with power cord assembly, and operating/maintenance manuals. All of the above, including the case containing the ventilator, shall be contained in a carry-all semi-rigid carrying case.
The apparatus shall have a separate AC power supply. The AC power supply shall contain an Input Voltage selector switch to allow selection of either 110-125 volts, 50-400 Hz, single phase service or nominal 220-250 volts AC, 50-400 Hz, single phase service. This supply shall conform with the electromagnetic interference/radio frequency interference requirements. It shall also contain an appropriately strain-relieved line cord, at least 6 feet long, consisting of SJT-type wire with a minimum rating of 18/3 AWG, and terminating in a 3 conductor male hospital-grade plug. The output cable of this supply shall be at least 4 feet long and terminate in a suitable, non-shorting type plug to interface with the ventilator apparatus. The power supply output voltage shall be within the range of acceptance of the ventilator apparatus described herein.
The ventilator shall be operational from the 12 volt internal battery and from external DC sources of 11-30 volts including, vehicle generating system rated 120 amperes at 14 volts; 120 amp-hour heavy-duty 12 volt battery, and aircraft 28 volt generating system. It shall operate from these external voltages irrespective of ground polarity (positive or negative). Additionally, the ventilator apparatus shall be operational from external AC power sources of 110/230 volts, 50-400 Hz, single phase when connected to the separate AC power supply furnished. It shall also be operational during battery recharge.
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