
Important Safety Instructions
IMPORTANT:
READ AND SAVE THIS INSTALLATION GUIDE FOR FUTURE
REFERENCE.
DANGER
This chapter contains important safety and installation instructions for the
Ultra UL1741 Inverter/Charger (Ultra UL1741). Each time, before using the
Ultra UL1741, READ ALL instructions and cautionary markings on or
provided with the inverter/charger, the batteries, and all appropriate
sections of this guide.
ELECTRICAL SHOCK HAZARD
• Do not expose the Ultra UL1741 to rain, snow, spray, or bilge water.
This inverter/charger is designed for marine applications only when
additional drip protection is installed in certain orientations. See “
Mounting Orientations” on page 24 for more information.
• Do not operate the inverter/charger if it has received a sharp blow,
been dropped, has cracks or openings in the enclosure including if the
AC terminal cover has been lost, damaged, or will not close, or
otherwise damaged in any other way.
• Do not disassemble the inverter/charger. Internal capacitors remain
charged after all power is disconnected.
• Disconnect both AC and DC power from the inverter/charger before
attempting any maintenance or cleaning or working on any circuits
connected to the inverter/charger. The INVERTER ENABLE button on
the front panel does not function like a power switch that energizes or
de-energizes the unit arbitrarily. When AC and DC power sources are
connected and present, the unit is always energized.
• Do not operate the inverter/charger with damaged or substandard
wiring. Make sure that all wiring is in good condition and is not
undersized.
Failure to follow these instructions will result in death or serious injury.
NOTE: The Ultra UL1741 contains no user-serviceable parts.
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