Modulon NH Plus Series
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WARNING
This is a class A-UPS product. In a
domestic environment, this product may
cause radio interference, in which case,
the user may be required to take
additional measures.
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Important Safety Instructions
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This manual contains important instructions for the unit that should be followed during installation
and maintenance of the UPS and batteries. All safety and operating instructions should be read
thoroughly before attempting to wire or operate the unit.
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Install the on-line UPS in a well ventilated area, away from flammable liquids and gases. Do not
let the unit come in contact with water.
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External slits and openings in the cabinet are provided for ventilation. To ensure reliable operation
of the product and to protect from overheating, these openings must not be blocked or covered.
Objects must never be inserted into ventilation holes or openings.
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Do not stand beverage containers on the unit.
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This UPS was designed to power all modern computer loads and associated peripheral devices,
such as monitors, modems, cartidge tape drives, external floppy drives and so on. Do not use it
for pure inductive or capacitive loads. It is not rated to power life support equipment.
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All repairs or installation should be performed by qualfied service personnel. The UPS contains
voltages which are potentially hazardous. The output receptacles may be alive even when the
UPS is not connected to the mains.
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Risk of a possible electrocution is possible when the battery is connected to the UPS. Therefore,
do not forget to disconnect the batteries before any service is to be done on the UPS. To
disconnect, remove the battery fuse holder which is located at the rear panel of the UPS.
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Isolate Uninterruptible Power Supply(UPS) before working on the circuit. A readily accessible
disconnect device shall be incorporated in the fixed wiring.
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HIGH LEAKAGE CURRENT – Earth connection essential before connecting power source.
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The disconnect device shall be a four-pole device and shall disconnect all line conductors and the
neutral conductor.
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ATTENTION, hazardous through electrical shock. Also with disconnection of this unit from the
mains, hazardous voltage still may be accessible through supply from the batteries. The battery
supply should be therefore disconnected in the plus and minus pole of the batteries when
maintenance or service work inside the UPS is necessary.
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Do not dispose of the batteries in a fire, the battery may explode.
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Do not open or mutilate the batteries. Released electrolyte is harmful to the skin and eyes. It may
be toxic.
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A battery can present a risk of electric shock and chemical hazard. The following precaution
should be observed when working on batteries.
Remove watches, rings or other metal objects.
Use only tools with insulated handles.
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The UPS only be installed in accordance with the requirements of IEC 60364-4-4-48.
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The compliance with the following standards provides the conformity:
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EN 62040-1-2
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EN 62040-2 Class A
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IEC 61000-4-2 Level 4
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IEC 61000-4-3 Level 3
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IEC 61000-4-4 Level 4
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IEC 61000-4-5 Level 4
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IEC 61000-4-6
SYMBOL INTRODUCTION
Protective grounding terminal:
A terminal which must be connected to earth ground prior to
making any other connection to the equipment.
A terminal to which or from which a direct current or voltage may be applied or supplied.
This symbol indicates the word "phase".
