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Uninterruptible Power Supply (UPS)
BU50SW/BU75SW/BU100SW/BU150SW
Instruction Manual
BU150SW
• This manual provides important safety-related information. Thoroughly read and understand
this manual before installing and using the product.
• Keep this manual in a convenient location so that you can refer to it whenever necessary.

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Summarization of Contents

Introduction
Product Features and Capacity
Describes the UPS's protective functions and output capacity.
Backup Power Supply Usage Restrictions
Lists applications where the UPS should not be used due to high reliability/safety needs.
Liability and Manual Usage Disclaimers
States liability for damages and instructions on manual use and registration.
Important Safety Instructions
Explanation of Safety Symbols
Explains the meaning of symbols used in the manual and on the unit.
Internal Battery Voltage Specifications
States the internal battery voltage for different models.
Maximum Operating Temperature
Specifies the maximum ambient temperature for the UPS.
Recommended Installation Environment
Describes the intended installation environment for the unit.
Maintenance and Battery Replacement Safety Cautions
Maintenance Cautions
Warnings and precautions for maintaining the UPS.
Battery Replacement Cautions
Warnings and precautions for replacing the UPS battery.
Operation Explanation
Standard UPS Operation Methods
Explains how to operate the unit during normal use.
Stopping UPS in Battery Mode
Describes how to stop the UPS when in Battery Mode.
UPS Rebooting Procedures
Explains how to restart the UPS after a power failure.
Scheduled Operations via Monitoring Software
How to schedule UPS operations using monitoring software.
1 Preparation
Product Unpacking Instructions
Instructions for unpacking the UPS and its accessories.
Package Contents Verification
How to verify all package contents are included and undamaged.
1 Preparation
UPS Component Identification and Functions
Identifies and describes each part of the UPS unit.
1 Preparation
Explanation of Unit Symbols
Explains the meaning of symbols found on the UPS unit.
2 Installation and Connection
Installation and Connection Safety Notes
Important safety and operational notes before installation.
2 Installation and Connection
Correct Installation Positions
Details on correct and incorrect installation positions for the UPS.
Connecting Equipment to UPS
How to connect devices to the UPS and PC.
2 Installation and Connection
Verifying UPS Backup Operation
Procedure to check if the UPS backup function operates correctly.
2 Installation and Connection
UPS Battery Charging Procedure
Instructions on how to charge the UPS battery.
Measuring Initial Backup Time
How to measure the initial backup time.
Recharging the Battery After Use
How to recharge the battery after use.
3 Operation
Operation Safety and Usage Notes
Safety warnings and important notes for operating the UPS.
3 Operation
UPS Start, Stop, and Basic Operation
How to start, stop, and perform basic operations of the UPS.
3 Operation
UPS Behavior During Power Failures
How the UPS behaves during and after a power failure.
UPS Shutdown Procedure
Steps to stop the UPS operation.
3 Operation
Capacity and Battery Level Meter Indicators
Explains how to read the capacity and battery level indicators.
Understanding UPS Beeps and Displays
Explains the meaning of beeps and display indicators.
4 UPS Functions
Silencing Audible Alarms
How to temporarily silence audible alarms.
Performing UPS Self-Diagnosis Test
How to perform a self-diagnosis test for the UPS.
4 UPS Functions
Auto Battery Test Function Details
Explains the automatic battery testing feature.
Configuring UPS Function Settings
How to change various UPS settings using the switches.
4 UPS Functions
Setting UPS Operation Modes
How to configure UPS operation modes like cold start and voltage.
5 Measuring Backup Time
Procedure for Measuring Backup Time
Step-by-step guide to measuring the UPS backup time.
Estimating UPS Backup Time
How to estimate backup time based on connected devices.
6 Measuring and Inspection
Maintenance Safety Precautions
Warnings and precautions for maintaining the UPS.
Checking the UPS Battery Status
Methods and guidelines for checking the UPS battery status.
6 Measuring and Inspection
UPS Battery Replacement Guide
Step-by-step instructions for replacing the UPS battery.
6 Measuring and Inspection
Replacing the UPS Cooling Fan
Instructions for replacing the UPS cooling fan.
Cleaning the UPS Unit and Plug
How to clean the UPS unit and its AC input plug.
7 Using UPS Monitoring Software and Contact Signal
Overview of UPS Monitoring Software
Information on included UPS monitoring software for Windows and Linux.
7 Using UPS Monitoring Software and Contact Signal
Auto Shutdown Setup with Monitoring Software
How to use the software for auto shutdown and schedule operations.
8 Using an SNMP/Web Card
Installing the SNMP/Web Card
Instructions for installing an SNMP/Web card into the UPS.
8 Using an SNMP/Web Card
SNMP/Web Card Features and Specs
Features and specifications of the SNMP/Web card.
9 Extending Backup Time
Connecting an Additional Battery Unit
How to connect an optional battery unit to extend backup time.
Reference
Detailed Product Specifications
Technical specifications for the UPS models.
Reference
Physical Dimensions of UPS Units
Physical dimensions of the UPS units.
Reference
UPS Internal Circuit Diagram
Illustrates the internal circuit configuration of the UPS.
Compatible Accessories and Related Products
Lists compatible accessories and related products for the UPS.
Reference
UPS Monitoring Software Function Comparison
Compares functions of different UPS monitoring software.

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