MGE UPS Systems Comet Series Installation And User Manual page 38

Comet 40 - 150 kVA Uninterruptible Power System
Figure
P o w e r f l o w, b y p a s s o p e r a t i o n
3-3
BYPASS
INPUT
(OPTIONAL)
3.2 Controls and
Indicators
3 — 2
RECTIFIER
MAIN
INPUT
BATTERY
Controls and indicators are located on the front panel in the
upper left-hand corner of the Comet UPS.
Comet operating controls consist of the following (see Figure
3-4 for arrangement):
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•
•
•
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The basic Comet indications consist of the following.
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•
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STATIC SWITCH
INVERTER
An alert buzzer.
Four (4) LEDs which indicate the overall operating
status of the UPS.
An "Inverter ON", an "Inverter OFF", and an "EPO"
pushbutton.
An LCD alphanumeric display.
9 measurement/control keys.
Normal operation (load protected)
Battery power is not available (load not protected)
Downgraded operation (fault)
Danger of a break in the supply of power to the load
(load not protected)
Operation on battery power
Operation
TO LOAD
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