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Fire Safety All Sine Wave Plus inverter/chargers meet UL fire safety standards as
outlined in UL 1741. As such, in the event of a failure, the Sine Wave Plus
is designed to fail safe. Be sure the specific mounting and ventilation
requirements outlined in this Owner’s Manual are followed carefully.
Do not locate the inverter near readily flammable materials such as cloth,
paper, straw, plastic etc. Flammable materials should be kept a minimum
distance of 24 inches (60 cm.) from the top surface (when wall mounted)
and 12 inches (27 cm.) from either side surface and the front of the Sine
Wave Plus. Readily flammable materials refers to instantly combustible
substances such as cloth, paper, straw, and plastic sheeting.
Mounting Considerations
Method The inverter can be mounted on a vertical surface (or wall) or on a shelf.
The advantage of the wall mounting is to provide easier access to the
controls and displays.
Securing The mounting surface (wall or shelf) must be capable of supporting twice
the weight of the inverter. The keyhole slots should not be used as the
only method of securing the unit to the mounting surface. Use all ten
mounting holes and all four keyhole slots for securing the unit and use
0.25-inch diameter bolts for mounting.
Ventilation Requirements
Location Install the inverter in a well-ventilated area/enclosure for proper
operation. The inverter’s thermal shutdown point will be reached sooner
than normal in a poorly ventilated environment resulting in reduced peak-
power output and surge capability as well as shorter inverter life.
Requirements Provide a minimum clearance of 6 inches (12 inches is preferred) around
the top and 6 inches at the AC- and DC-side of the inverter for ventilation.
A fan-forced, fresh-air vent (on the inverter’s AC side) allows cool air to
enter the unit and exit from the DC-end of the inverter. Ensure that this
vent is not obstructed with foreign objects, such as dirt and dust and that
the minimum clearances are met.
Airflow clearance All air ventilation openings should have 6 inches of clearance and there
should be no nearby cover over the top of the unit. This is to prevent
warm, exhausted air from the unit from being drawn back into it. The
warm air could cause premature shutdown due to overheating.
Screening The unit is equipped with screening to prevent insects and rodents from
entering. This screening needs to be checked and cleaned regularly from
the outside to prevent dust buildup.