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MAIN SWITCH PANEL
The main switch panel, located between
the ventilator bellows and flowmeter bank,
incorporates alarms to communicate the
status of the gas delivery and power
supply systems.
These
alarms
are
simultaneously displayed on the central
alarm display. Refer to Figure 14 for the
location of the indicators and controls on
the main switch panel.
RED O2 SUPPLY
PRESSURE
LOW INDICATOR
YELLOW AC POWER
LOW INDICATOR
YELLOW BATTERY
LOW INDICATOR
GREEN BATTERY
TEST INDICATOR
Figure 14
Main Switch Panel
26
annunciated
and
O SUPPLY PRESSURE
2
AC
POWER FAIL
BATTERY
BATTERY TEST
ON
STANDBY
SYSTEM POWER
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Oxygen Supply Pressure Alarm
The
oxygen
supply
activates if the oxygen supply pressure
(from both the pipeline supply and reserve
cylinders) in the system decreases below
approximately 37 psi. The LED indicator
marked "O
SUPPLY PRESSURE" lights
2
continuously red, the alarm message "LO
O
SUPPLY" appears on the central alarm
2
display, and an intermittent audible alarm
sounds.
LOW
OP20050
pressure
alarm
BATTERY TEST
PUSH BUTTON
SYSTEM POWER
SWITCH
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