Njoy Helios PRO Series User Manual page 5

that no current is present and no hazardous voltage
exists in the terminals of high capability capacitor
such as BUS-capacitors.
• Only persons who are adequately familiar with
batteries and with the required precautionary
measures may replace batteries and supervise
operations. Unauthorized persons must be kept
well away from the batteries.
• Caution - risk of electric shock. The battery circuit
is not isolated from the input voltage. Hazardous
voltages may occur between the battery terminals
and the ground. Before touching, please verify that
no voltage is present!
• Batteries may cause electric shock and have a high
short-circuit current. Please take the precautionary
measures specified in this manual and any other
measures necessary when working with batteries:
remove wristwatches, rings and other metal
objects, use only tools with insulated grips and
handles.
• When changing batteries, install the same number
and same type of batteries.
• Do not attempt to dispose of batteries by burning
them. This could cause battery explosion.
• Do not open or destroy batteries. Escaping
electrolyte can cause injury to the skin and eyes. It
may be toxic.
• Please replace the fuse only with the same type
and amperage in order to avoid fire hazards.
• Do not dismantle the UPS system.
08
4 Installation
NOTE:
Before installation, please inspect the unit. Be sure
that nothing inside the package is damaged. Please keep the
original package in a safe place for future use
The UPS can protect your equipment from all power
problems such as surges, spikes, blackouts, brownouts
and line noise. When AC power is present and the ON/
Mute switch is turned ON, the UPS will provide pure and
stable AC power to the output. The
UPS will also charge the battery in the on-line mode.
The UPS is simple to install and operate. Please read
the following steps before connecting any equipments
to this UPS:
09