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24 Freedom HF Owner’s Guide
Operating During Transition Between Shore Power and Inverter Mode
Inverter Loads
The Freedom HF will operate most AC loads within its power rating
of 1000 watts (Freedom HF 1000), 1500 watts (Freedom HF 1500),
or 1800 watts (Freedom HF 1800). However, some appliances and
equipment may be difficult to operate, and other appliances may
actually be damaged if you try to operate them with the Freedom
HF. Please read “High Surge Loads” and “Trouble Loads” carefully.
Overload Conditions
There are two kinds of overload conditions:
• an overload warning
• an overload shutdown
Overload Warning When the Freedom HF’s AC load is
approximately 100 W below the overload shutdown limit of
~1000 W (Freedom HF 1000) and ~1800 W (Freedom HF 1500/
1800), the audible alarm beeps once every two seconds and the
display screen shows a fault code .
Overload Shutdown When the Freedom HF’s AC load increases
to near ~1100 W (Freedom HF 1000 models) and ~2000 W
(Freedom HF 1500/1800 models), the audible alarm beeps every
second and the display screen shows a fault code . The Status
LED turns solid RED and in 30 seconds, both the unit and the
display screen will shut down to prevent damage to the inverter and
protect the battery from being over-discharged.
High Surge Loads
Some induction motors used in freezers, pumps, and other motor-
operated equipment require high surge currents to start. The
Freedom HF may not be able to start some of these motors even
though their rated steady state current draw is within the inverter’s
limits. The unit will shut down and indicate an overload shutdown.
Over-temperature Conditions
During Inverter mode, when the Freedom HF’s internal temperature
starts to approach its preset shutdown limit, the alarm will beep
every two seconds and the display will show fault code . If the
over-temperature condition persists, the alarm will beep once per
second and the display will show fault code . The Status LED
turns solid RED and the inverter will shut down to prevent damage
to the inverter and protect the battery from being over-discharged.
Freedom HF InvChg Owners Guide.book Page 24 Tuesday, April 29, 2014 12:10 PM