A5/A3â„¢ Service Manual 046-001141-00 1 - 69
Theory of Operation Ventilator Control and Drive
For A5 anesthesia system:
Battery: 11.1V, 4.5Ah×2 Lithium-ion Battery (sealed)
Battery Run Time: 150 minutes (new battery)
Battery Charge Time: 8 hours max from an initial charge of 10%.
1.7.3.2 Battery Adaptation Board
FIGURE 1-57 Battery Adaptation Board, Top View
FIGURE 1-58 Battery Adaptation Board, Bottom View
Battery Interface, J1 and J2
Battery Cable Interface, J3
PIN NAME FUNCTION
1 BAT+ Battery+
2 BAT+ Battery+
3 BC Battery In-position Signal
4 BAT- Battery-
5NTC Temperature Signal
6 BAT- Battery-
7 BAT- Battery-
PIN NAME FUNCTION
1VBAT1 Battery Voltage
2 NTC1 Battery Internal Thermistor
3 BC1 Battery In-position Signal
4GND Ground
5VBAT2 Battery Voltage
6 NTC2 Battery Internal Thermistor
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