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Circuit Breaker Protection
The FP3000-12 is supplemental breaker
protected.
The INVERT/CHARGE breaker on the front of
the unit protects against sustained inverter/
charger over-current conditions. These breakers
are reset by pushing the button back in. The
output circuit breakers protect the output AC
circuits. The FP3000-12 is available with one
or two outputs.
Thermostat Controlled Cooling
The FP3000-12 is equipped with a thermostati-
cally controlled fan that cools the unit so it can
operate continually at its rated Units with only
supplemental circuit breakers between the unit
and the load. Appropriate wire gauges must be
used throughtout the installation. Refer to NEC
specifications.
THINGS YOU SHOULD KNOW
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 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 shutdown 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 consump-
tion 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 of 30 amps. This can be
changed using the Remote Control Panel.
Note: Supplemental circuit breakers are reset by pushing the
button back in. The fault must be removed before resetting the
circuit breaker. Integral branch circuit rated breakers are reset
by setting the appropriate breaker switch to the “on” position.
The fault must be removed before resetting the circuit breaker.
If a 30-ampere service supplies the input to the unit, a model
with integral branch circuit rated breakers allows direct wiring
from the unit to the load.
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