System information

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Input AC volts
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Nominal AC frequency
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Output AC volts
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Output AC frequency
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Output AC amps
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Output watts
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Output volts-amps
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Load percentage
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Power factor
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Ambient temperature
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Battery cabinet temperature
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Heatsink temperature
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Transformer temperature
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Battery volts
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Battery amps
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Approximate runtime remaining
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Time/date
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System hours
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Inverter minutes
PWM Technology
Pulse width modulated (PWM) inverter control is designed
to produce the output wave form by switching battery
current at a high-frequency rate. The
primary circuit of the inverter is
made up of four Insulated Gate
Bipolar Transistors (IGBT).
IGBTs provide the multiple
benefits of compactness, high
efficiency, low maintenance
and long equipment life, as
well as maximum adaptability
and control. The four IGBTs are
sequenced on and off at a 16,000
Hz rate. Because of the inverter’s
high-frequency switching response time,
many compatibility problems with loads such as power
factor-corrected ballasts, HID lighting and microprocessor-
controlled equipment are eliminated.
PWM design results in:
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Higher efficiency, lower operating cost
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Smaller, lighter, more compact design
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Quieter operation
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Improved load compatibility
Interruption-Free Power
Spectron LSN provides continuous power to
all critical life safety loads and other secondary
support systems. This “no break” switching
between utility and inverter power means that
all connected equipment will continue to operate
normally under emergency conditions.
Voltage Regulation
Spectron LSN’s Boost Tap Regulation protects
your loads from “brownouts” and recurrent
low-voltage transients by sensing any drop in
voltage and “boosting” the voltage back up to
nominal without drawing from the batteries
and shortening their lives.
Mixed Loads
Spectron LSN’s “no break” design provides
continuous operation to mixed loads. Capacitive,
inductive or resistive loads will operate normally,
as will voltage-sensitive or frequency-sensitive
equipment.
Digital metering of system parameters and operating readings
provide assurance of system readiness.
Auto-Testing And Reporting
Self-testing/self-diagnostic electronics perform continuous
testing of subsystems, insuring performance to prescribed
operating parameters. User-programmable discharge tests
are automatically performed on a weekly, monthly and
annual basis. Date, time and duration of these tests can
be programmed to meet state, local authority and individual
requirements. All testing events are automatically logged in
memory and can be displayed on the user interface panel.
Reduced Maintenance
With the Spectron LSN system, a single inverter unit in a
centralized location greatly simplifies maintenance, testing
and service. With its standard self-testing/self-diagnostic
feature, most routine testing is accomplished automatically
without the need for manual intervention. In the event
of system operation outside designed parameters, alarm
functions automatically indicate and identify the component
requiring service.
Greater Reliability
Tested to stringent NFPA 101 and NEC 700 requirements,
Spectron LSN is listed to UL 924 and UL 1778 standards.
Spectron LSN design technology meets “real world”
performance demands and self-diagnostic operation means
years of trouble-free, reliable operation.
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Charger failures
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Output overload warning
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High/low AC output voltage
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High/low output frequency
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High, low or near low
battery voltage
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Ambient temperature
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Battery cabinet temperature
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Heatsink temperature
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Transformer temperature
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Temperature probe failure
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Internal communication failure
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System test failure
Self-Testing/Self-Diagnostic Operation
Spectron LSN - A Major Advance In Life Safety
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Alarms And Meters
Spectron LSN features audible and visual alarms with
automatic logging in memory of the 25 most recent alarm
events. The conditions monitored include (but are not
limited to):