Leonics NB Series, NBP 0811, NBP Series, NBP 1011, NB 7525 User Manual

U S E R' S G U I D E

●

www.leonics.com ● e-mail : [e-mail]

LEN.MAN.UPS.068 Rev.3.00/2008

●

NB-series

NBP-series

TRUE ON-LINE DOUBLE CONVERSION UPS

CONTENT

SAFETY INSTRUCTIONS 1
INTRODUCTION 3
FRONT AND REAR PANEL 6
INSTALLATION 14
OPERATION 16
TROUBLESHOOTING 19
MAINTENANCE 20

- 1 -

- 2 -

SAFETY INSTRUCTIONS

Please read carefully and follow this LEONICS NB-series/NBP-series UPS guide.

Important : Please keep this manual for reference in order to use the LEONICS
UPS properly and safely. This user's guide contains instructions for installation,
maintenance, operation and unit specifications.
If there are any symptoms of problems which are not mentioned in this guide or
any queries, please contact your LEONICS local distributors, LEONICS Service Center,
send e-mail to [e-mail] or visit www.leonics.com.

For your convenience and quick reference for LEONICS UPS service, please
fill the requested information in the blanks below.
UPS Model : _____________________________
Serial Number : _____________________________
Purchase date : _____________________________
Purchased from : _____________________________

CAUTION

DO NOT remove LEONICS NB-series/NBP-series UPS cover for repairing
by yourself. Complicated electronic devices inside the UPS may be
damaged or caused hazard to life. Repairing is only referred to technician.

1.1.7 Use ONLY one hand when plugging and unplugging the load in order to avoid
electric shock from touching two surfaces with different potential.

1.1.8 It is recommended to connect the UPS to a three wire AC source (two poles
plus ground) which connects to a protected circuit such as employs a fuse or
automatic circuit breaker.

1.2 CAUTION ! Safety guide for installation and operation

1.2.1 Install the UPS in dry location with good ventilation, low humidity, no chemical
particles, no inflammable substances. Avoid to install the UPS near radio
transmission station, heat dissipation equipments, or directly to sunlight.

1.2.2 DO NOT block the ventilation grills.

1.2.3 Connect the UPS to utility line and turn it on at all time.

1.2.4

When you want to connect the computer to the UPS, turn off UPS and disconnect
it from the utility line before connect the computer.

1.2.5 Turn on the UPS before turn on the load to prevent surge from the loads.

1.2.6 DO NOT connect utility power to the UPS OUTPUT. This may cause the UPS
damaged.

1.2.7 When heavy rain, avoid using electronic instruments including
it from lightning.

1.28 Use soft cloth to clean the UPS when it is OFF. DO NOT clean it with solvent.

1.2.9 DO NOT use the UPS with life recovery instruments. The failure of UPS may
cause life recovery instruments failure or effect to their performance or
to the safety system of those instruments.

UPS to pre

vent

effect

1.1 Electrical Safety

1.1.1 Do not work alone where there is danger of shock.

1.1.2 Contact with live conductors will cause burns and dangerous electric shock.

1.1.3 Please allow ONLY a certified electrician to wire your system permanently.

1.1.4 Periodically check your cable, outlets and power source to make sure that they
are in good condition.

1.1.5 To reduce risk from electric shock if you can not find the electrical ground of
the building, unplug the UPS from the AC source before plug in your load at
the rear side of the UPS. Then, plug in the UPS to AC source.

1.1.6Do not touch any metal parts of the loads when they are plugged into the UPS.

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. 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,
please return it to a LEONICS local distributor or Leonics Service Center.

1.3.2 Do not dispose of batteries in a fire. They may be exploded.

- 3 -

Battery can be recycled and needs proper elimination. It consists of
lead which harms to our environment and health. Please return the
battery to us or our service center.

1.3.3 Do not disassemble batteries. They contains poisonous electrolyte which is

harmful to your skin and eyes.

1.3.4 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.

1.3.5 Replace batteries with the same type and rating and follow the proper
battery replacement procedure.

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-Series and NBP-series UPS

VA : The unit of UPS power rating showing its capacity.

- 4 -

2.2.1 When utility power and loads are normal

Above diagram shows how UPS works when utility power (AC line) is
normal and UPS has less than 100% load. UPS converts utility power from
alternative current (AC) to direct current (DC) at RECTIFIER. Some of the DC
power flow to charge battery to be backup power and the rest flow directly to
INVERTER to invert power to high quality and stable AC power. Then, supply
to load.

INTRODUCTION

2.1 General

LEONICS NB-series/NPB-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. It is designed for power sensitive equipments
or critical applications such as computers, communication equipments, medical
instruments, electronic measurement equipments, scientific equipments, and etc.

2.2 LEONICS NB-series and NBP-series UPS operation

Note: The input circuit breaker is available in NB 2K25, NBP Series only.

2.2.2 When utility power is normal but overload

Above diagram shows how UPS works when utility power is normal
and UPS has more than 100% load. UPS converts utility power at RECTIFIER to
charge battery only. The power supplied to load is from utility line.