1 Introduction
The battery charger 3 100 85 is an accessory designed for the UPS range 1-3kVA to shorten the
charging time of the battery banks connected to the UPS.
You are advised to read carefully this manual and the safety instruction sheet included in the pack-
aging before installing the battery charger.
Please visit the website www.ups.legrand.com to download the latest version of the manual and
discover the complete Legrand UPS offer.
2 Condition of use
• This product is designed for indoor use only in a controlled environment away from excess
moisture, temperature extremes, conductive contaminants, dust, corrosive agents or direct
sunlight.
• Do not install and operate the Charger when water condensation happen which may occur if
the charger is moved directly from a cold to a warm environment.
• Do not install or use this equipment in the presence of flammable substances.
• The air flow required for safe operation of the equipment should not be compromised. Ensure
enough space on each side for ventilation and install the charger in a location with good
aeration.
• Installation and wiring must be performed in accordance with the local electrical laws and
regulations.
• The charger must be securely grounded. Ensure earth connection and its reliability before
connecting the power wires to the wiring terminal of the building. Make sure the battery
cabinets have the equipotential earth bonding to the charger main cabinet.
• An appropriate switch device as backup protection for over-current or short circuit should be
provided in the input utility.
• Select the Battery Charger suitable for your battery bank by reading the Chargers specifications
included in this manual. Pay attention to the battery bank voltage rating and capacity. The
connection with wrong battery voltage may cause permanent damage to the Charger, the
connection with wrong capacity may cause permanent damage to the batteries.
• In a domestic environment this product may cause radio interference in which case the user
may be required to take adequate measures.
CAUTION
Legrand reserve at any time the right to modify the content of this manual and to
communicate in any form and modality, the changes brought to the same.
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