Installation; Operation - Njoy Helios PRO Series User Manual

Preparation
• Condensation may occur if the UPS system is moved
directly from cold to warm environment. The
UPS system must be absolutely dry before being
installed. Please allow at least two hours for the
UPS system to acclimate to the environment.
• Do not install the UPS system near water or in moist
environments.
• Do not install the UPS system where it would be
exposed to direct sunlight or near heat sources.
• Do not block ventilation holes in the UPS housing.

Installation

• Do not connect appliances or devices which would
overload the UPS system (e.g. laser printers) to the
UPS output sockets.
• Place cables in such a way that no one can step on
or trip over them.
• Do not connect domestic appliances such as hair
dryers to UPS output sockets.
• The UPS can be operated by any individuals with no
previous experience.
• Connect the UPS system only to an earthed
shockproof outlet which must be easily accessible
and close to the UPS system.
• Please use only VDE-tested, CE-marked mains cable
(e.g. the mains cable of your computer) to connect
the UPS system to the building wiring outlet
(shockproof outlet).
• Please use only VDE-tested, CE-marked power
cables to connect the loads to the UPS system.
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• When installing the equipment, it should ensure
that the sum of the leakage current of the UPS and
the connected devices does not exceed 3.5mA.

Operation

• Do not disconnect the mains cable on the UPS
system or the building wiring outlet (shockproof
socket outlet) during operations since this would
cancel the protective earthing of the UPS system
and of all connected loads.
• The UPS system features its own, internal current
source (batteries). The UPS output sockets or
output terminals block may be electrically live
even if the UPS system is not connected to the
building wiring outlet.
• In order to fully disconnect the UPS system, first
press the OFF/Enter button to disconnect the
mains.
• Prevent fluids or other foreign objects from
entering the inside of the UPS system.
Maintenance, service and faults
• The UPS system operates with hazardous voltages.
Repairs may be carried out only by qualified
maintenance personnel.
• Caution - risk of electric shock. Even after the unit
is disconnected from the mains (building wiring
outlet), components inside the UPS system are still
connected to the battery and electrically live and
dangerous.
• Before carrying out any kind of service and/or
maintenance, disconnect the batteries and verify
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