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Part No. 90-0123-00
Libertycombi.p65 10/26/98
5
Circuit Breaker Protection
The Freedom Inverter/Charger is
supplemental breaker protected. The
INVERT/CHARGE breaker on the front of the
unit protects against sustained inverter/charger
over current conditions.
The 30 Ampere AC INPUT circuit breaker
protects the incoming AC circuit. The incoming
AC circuit provides power to the battery
charger and its power is transfered to the
loads connected to the inverter AC output.
These breakers are reset by pushing the
button back in.
The output circuit breakers protect the
output AC circuits. Models are available with
one or two outputs. Note: The integral circuit
breakers provided for AC outputs 1 and 2 are
not suitable for branch circuit protection. To
comply with NEC, additional branch circuit
rated breakers should be used to power the
loads.
THINGS YOU SHOULD KNOW
Thermostat Controlled Cooling
Freedom Inverter/Chargers are equipped
with a thermostatically-controlled fan that cools
the unit so it can operate continually at its rated
output.
Inverter Idle Circuit
This automatic energy saving feature
reduces battery power consumption when no
AC load is present. Response from idle is
instantaneous. In most cases, the operation of
the idle circuit is not noticeable. Use of the
Remote Control Panel or Link Instrumentation
allows the idle threshold to be adjusted. The
unit does not put out 120 volts when in idle. To
bring the unit out of the idle condition, apply a
load.
Low and High Battery Shutdown
When in inverter mode, if the battery
voltage drops to 10.0 volts, the inverter will
automatically shut off. Charge the batteries to
13.5 volts to automatically resume operation.
Voltage shut down also occurs for a high
battery condition at 15.5 volts. Operation will
resume automatically when the battery voltage
drops below 15.5 volts. Check all DC sources
on the system for the reason for the excessive
voltage.
Power Sharing
When connected to an external AC
source the battery charger and transfer
functions are engaged. A unique Power
Sharing feature automatically reduces the AC
power consumption of the battery charger
allowing necessary AC power to go to the load.
This prevents the source AC INPUT circuit
breaker from tripping within the specified rating
of the AC circuit breaker.
The Power Sharing set point of each unit
has a factory default setting. This can be
changed using the Remote Control Panel or
Link Instrumentation.
15
15D
20
20D
INPUT
30
30
30
30
INV/CHG
20
20
25
25
OUT 1
20
15
25
15
OUT 2
N/A
20
N/A
20
Circuit Breaker Protection
INPUT
INVERT/CHARGE
OUT 1
OUT 2
Freedom 20D