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1041905, R
EV
. 00
P
AGE
2 - T
HEORY
OF
O
PERATION
M
ILLENNIUM
S
ERVICE
& T
ECHNICAL
I
NFORMATION
H600/605; M600/605; E
NHANCED
M600/605 C
ONCENTRATOR
E
LECTRICAL
O
PERATION
Power is supplied from the two-prong plug to the Power Switch. When the Power Switch is ON, 120 VAC/230
VAC power is supplied to the Compressor motor, Hour Meter, cooling fan, and the main circuit board.
The main circuit board consists of a linear power supply, pressure sensor, software driven microprocessor,
green, yellow, and red LED’s and audible alarm.
The 9-volt battery provides a power source to operate the audible alarm and the red LED alarm light in the
event of an AC power failure.
F
IGURE
B: H600/605; M600/605; E
NHANCED
M600/605 E
LECTRONIC
C
OMPONENT
B
LOCK
D
IAGRAM