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1.2.7 Before connecting the communication interface signal cable to computer, turn off the UPS and
disconnect it from the utility line.
1.2.8 Turn on the UPS before turn on the load to prevent surge from the loads.
1.2.9 DO NOT connect utility power to the UPS OUTPUT. This may cause the UPS damaged.
1.2.10When heavy rain, avoid using electronic instruments including UPS to prevent it from lightning.
1.2.11Use soft cloth to clean the UPS when it is OFF. DO NOT clean it with solvent.
1.2.12DO NOT use the UPS with life recovery instruments. The failure of UPS may cause life recovery
instruments failure or effect to their performance or effect to the safety system of those instruments.
1.3 Warning ! Battery Safety
1.3.1 The UPS has hazardous voltages inside, do not disassemble any parts of UPS except for the battery.
1.3.2 Users are not allowed to repair, recondition or disassemble the UPS. This must be done by LEONICS
qualified technicians only.The battery that is inside your UPS can be recycled. It contains LEAD, which is
harmful to health and the environment. If It can not be disposed of properly.
1.3.3 Do not dispose of batteries in a fire. They may be exploded.
1.3.4 Do not disassemble batteries. They contains poisonous electrolyte which is harmful to your skin and
eyes.
1.3.5 Replace batteries with the same type and rating and follow the proper battery replacement procedure.
1.3.6 When replacing a battery, use tools with insulated handles and remove any watch, rings or other metal
objects that you wear in order to avoid electric shock.
1.3.7 If user has to keep the UPS or does not use if for long time, recharge the battery every 3 months in order
to preserve the battery. To recharge the battery, connect it to the AC utility and turn on the UPS for 8
hours.
INTRODUCTION
2.1 General
LEONICS NB S-series/NPB S-series UPS is a True On-line Double conversion uninterruptible power supply which
is the highest quality power protection system to protect against all utility power problems. With LED and LCD
displays, user can view the UPS operating status anytime.
True On-Line Double conversion system has two operation steps. First, it convert alternative current (AC) to
direct current (DC) Some of the direct current will flow to charge the battery to be backup power and the rest will
invert to alternative current and then supply to load. If the AC input is disconnected, the UPS will invert the direct
current from battery to alternative current and supply to load. UPS will supply AC power to load continuously.
Vocabulary
Load:
Any equipment which is plugged into the UPS and gets power from the UPS such
as a computer, printer, fax machine or modem.
UPS :
NB S-Series / NBP S-series UPS
VA
:
The unit of UPS power rating showing its capacity.
