1. Manuals
  2. Brands
  3. Best Power Manuals
  4. UPS
  5. Unity/I UT3K
  6. User manual

Best Power Unity/I UT3K User Manual

Single-phase uninterruptible power systems
Hide thumbs Also See for Unity/I UT3K:
Table of Contents

Advertisement

Quick Links

See also: User Manual
UNITY/I
TM

User Manual

UT3K, UT4K, UT5K, and UT8K
Single-Phase Uninterruptible Power Systems
MLS-0350B-OL
Copyright 1994-1997, Best Power. All rights reserved.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Unity/I UT3K and is the answer not in the manual?

Questions and answers

Related Manuals for Best Power Unity/I UT3K

Summary of Contents for Best Power Unity/I UT3K

  • Page 1: User Manual

    UNITY/I User Manual UT3K, UT4K, UT5K, and UT8K Single-Phase Uninterruptible Power Systems MLS-0350B-OL Copyright 1994-1997, Best Power. All rights reserved.

  • Page 2: Important Safety Instructions

    UPS model and serial number and call Best Power’s Worldwide Service at 1-800-356-5737 (U.S.A. or Canada) or 1-608-565-2100. Outside of the U.S.A. and Canada, you can also call the nearest Best Power office for more information.
  • Page 3 CAUTION! All uninterruptible power systems (UPS) units contain dangerous voltages. The unit can provide power from its batteries. To avoid possible personal injury or equipment dam- age, assume that hazardous voltage is present at the unit’s output any time AC input power or DC battery voltage is applied.

  • Page 4: Table Of Contents

    Table of Contents Introduction ................1 001 Storing the UNITY/I UPS .

  • Page 5: Introduction

    UPS. If you prefer to contact Best Power via computer, you can use Bulletin Board Service, CompuServe, or Best Power’s World Wide Web site to get more product information.

  • Page 6: 100 Starting The Unity/I Ups

    100 Starting the UNITY/I UPS If your UNITY/I UPS does not have an input line cord and plug, it is a hardwired unit and must be installed by a UNITY /I Installation Manual). After a qualified electrician has installed the UPS, qualified electrician (see the or if the UPS has an input plug, follow the instructions in this section to start the unit.

  • Page 7: 101 Startup

    101 Startup If you have a UT3K, UT4K or UT5K: Attach the stabilizer bracket to the back of the UPS (see Appendix Open the UPS’ front door by pulling the top of the door toward you (see Figure 1 to find the door). Make sure that the keyswitch inside the front door is turned to “Off”...
  • Page 8 Windows 95: Start the computer and follow the instructions in the CheckUPS package. Fill out the warranty registration card in this manual and return it to Best Power. Please return the registra- tion card within ten days of installation.

  • Page 9: 102 Setting The Time And Date

    102 Setting the Time and Date The UPS stores the time, date, and year in parameters that you can program (see Section 300 for more about parameters). These parameters must be programmed correctly so that the UPS can store accurate information in its alarm and system logs.
  • Page 10 4. Set the date (parameter 90) by following these steps: a. Use the [ ] key to change the display to VOUT b. Press [ ]. The display should show a date formatted as mm.dd (month.day). CANCEL c. Use the [% ] or [ ] key to change the display reading to the correct month and day.

  • Page 11: 200 Operation

    Note: If the BYPASS light is on even though the UPS keyswitch is turned to “Auto” and the unit is not indicat- ing an A-16 alarm, the UPS may have automatically placed itself in bypass mode because it detected a problem with its circuitry. Call Best Power’s Worldwide Service (see Section 402).

  • Page 12: 202 Front Panel Keys And Display

    202 Front Panel Keys and Display The front panel keys and four-digit display make it easy for you to display information about the UPS. The word above each key tells you what information the UPS will display if you press that key. The words below the keys tell you what information the UPS will display if you press the two keys at the same time.

  • Page 13: 203 Inside The Front Door

    203 Inside the Front Door The UPS’ front door is below the front panel keys (see Figure 1 in Section 100). To open the door, pull the top of the door toward you. The keyswitch and Emergency Power Off (EPO) reset button are inside the front door. In addition, the labels inside the door contain useful reference information.

  • Page 14: 204 Alarms: What They Mean And What To Do About Them

    3. Find the alarm(s) in Table 2. The table tells what the alarm means and gives a possible solution. If the table tells you to phone Best Power’s Worldwide Service, phone the nearest Best Power office (in the U.S.A.
  • Page 15 Once the %LOAD reaches “100,” the unit is fully loaded and you should not start any additional equipment connected to the UPS. If you need help, call Best Power’s Worldwide Service or the nearest Best Power office.
  • Page 16 Shutdown low. nearest Best Power office. High AC Out The UPS AC output voltage is The UPS will shut down. Phone Best Power’s high. Warning/Shutdown Worldwide Service or the nearest Best Power office. Check MOVs The UPS has detected a problem Phone Best Power’s Worldwide Service or the...

  • Page 17: 205 If You Have An Extended Power Outage

    There may be times, however, when you want to shut down the UPS, such as when you will not be using the UPS for an extended period of time, when the UPS is being serviced, or before you move the UPS. Best Power does not recommend shutting down the UNITY/I on a daily basis.

  • Page 18: 300 Parameters

    300 Parameters The UPS uses some of its parameters to keep track of information, operating conditions, and power conditions. Other parameters allow you to program some of the unit’s features. This section explains how to display and change some UNITY/I parameters. 301 Displaying Parameters This section explains how to display parameters using the front panel keys and four-digit display.

  • Page 19: 302 Changing Parameter Values

    302 Changing Parameter Values You can set some of the parameter values to program certain UPS features. The table in Section 303 describes many of the parameters. Make sure that you FULLY understand a parameter before you try to change the value. If you set certain parameters improperly, the UPS may not operate correctly.

  • Page 20: 303 Parameter Table

    Sets the nominal output voltage. This setting should equal the output voltage wired at the factory or by your electrician. Call Output Best Power’s Worldwide Service or the nearest Best Power Voltage office before you try to change this setting. Range of values: 180-260.
  • Page 21 In units with software version 1.04 or higher, this parameter starts PhonTek transmission and sets the Copies number of copies to be sent. If you need to use PhonTek, Best Power’s Worldwide Service will provide more instructions. Range of values: 0-98 copies. 99 = continuous. Runtime Change not The estimated battery runtime (in minutes and seconds).
  • Page 22 62 before setting parameter 63. Choices: 0 (Disable) or 1 (Enable). This parameter is meant to be used during battery maintenance. Battery maintenance must be done by qualified service personnel only. For help, phone Best Power’s Worldwide Service or the nearest Best Power office. Time...
  • Page 23 BATTERY TEST PARAMETERS (Parameters 73-77) During a battery test, the UPS shuts off the battery charger, waits two seconds, and checks the battery volt- age. If the UPS detects low battery voltage, it stops the test and starts a Check Battery alarm (A-04). If bat- tery voltage is not low, the UPS switches itself to battery power for a set length of time (parameter 75).

  • Page 24: 400 Maintenance And Service

    Best Power’s Worldwide Service. We’ll be happy to help you. 402 Worldwide Service Best Power has an outstanding customer service department. Please feel free to call or write if you have a problem or question about your UNITY/I UPS. When you call or write, please have the following information available: •...

  • Page 25: 403 Accessing The Alarm And System Logs

    403 Accessing the Alarm and System Logs The UNITY/I stores information in two logs: the alarm log and the system log. The alarm log stores the 16 most recent alarm conditions. The system log stores up to 20 UPS events. You can use the logs to keep track of UPS events, and a technician can use the logs to help troubleshoot the UPS.
  • Page 26 5. Once you have accessed the log number that you wish to display (for example, ), press the [ ] key to CANCEL display the information in that log entry. The display will scroll through the six pieces of information shown in Table 7 below.

  • Page 27: 500 Specifications

    500 Specifications Table 9: Specifications (Standard Product) Model Number UT3K UT4K UT5K UT8K Capacity 3 kVA/3 kW 4 kVA/4 kW 5 kVA/5 kW 8 kVA/8 kW Nominal AC Input Voltage 200, 208, 220, 230, 240 AC Input Current 200 V input 17 amps 22 amps 28 amps...
  • Page 28 Output Frequency: 50 Hz or 60 Hz ±0.15 Hz on battery. Same as line on AC line within programmable limits. (See Section 303, parameters 13-17). Output Protection: Provides automatic current and overvoltage protection. The unit has high AC and low AC output voltage alarms, as well as circuit breaker warning/shutdown and overload alarms.

  • Page 29: Batteries And Battery Charger

    Batteries and Battery Charger Batteries: Batteries are sealed, maintenance-free, gas recombinant, lead-acid type, specially designed for UPS use. Nominal battery voltage is 48 VDC. Batteries are UL 924 recognized. Battery Charger: The standard battery charger is a three-state charger (Maintenance, Constant Current and Constant Voltage).
  • Page 30 Specifications: Models with Optional 380/400/415 VAC Input Specifications for models with optional 380/400/415 VAC input are the same as for standard models except for the following: Table 11: Specifications for Models with Optional 380/400/415 VAC Input Model Number UT3K UT4K UT5K UT8K Nominal AC Input...

  • Page 31: 600 Options

    600 Options Best Power offers a number of options for the UNITY/I. The list below describes these options. If you would like more information, please contact the nearest Best Power office or dealer. Bypass Switches: If your UPS does not have a plug, an external bypass switch lets you conveniently transfer your protected equipment to direct AC input power when the UPS needs service.
  • Page 32 The following output receptacles are available for new units: *L14-20R and L14-30R available for 120/240 volts only. Figure 12 Warranties:Besides the standard two-year warranty, Best Power offers Warranty Enhancement Plans to meet your service and maintenance needs. Call the nearest Best Power office...

  • Page 33: Appendix A: Remote Emergency Power Of (Epo)

    Appendix A: Remote Emergency Power Off (EPO) Computer rooms often have an emergency shutdown switch (sometimes referred to as a “panic button”). This switch shuts off the power that runs the equipment in the computer room. If the UPS’ AC input source is con- nected to the switch, the switch will shut off the input power to the UPS.

  • Page 34: Appendix B: Attaching The Stabilizer Bracket

    Appendix B: Attaching the Stabilizer Bracket A stabilizer bracket is included with all UT3K, UT4K, and UT5K units. Installation of the stabilizer bracket is required to meet TÜV requirements, per standards EN 60 950 and EN 50091-1. To attach the stabilizer bracket, follow the instructions below. The UPS is easier to move without the stabilizer bracket attached, so first move the UPS to its permanent loca- tion.

  • Page 35: Warranty

    No warranty is made with respect to other products sold by BEST POWER which do not bear the name BEST POWER, and no recommendation of such other product shall imply or constitute any warranty with respect to them.

  • Page 36: Limited Warranty

    1. The replacement or repair of the transient voltage surge suppression circuitry in each Product that is returned intact to BEST POWER and which shall appear to BEST POWER upon inspection to have been defective in material or workmanship or to have been damaged through normal use;...
  • Page 37 Steckdose hierfür haben, lassen Sie die entsprechende Steckdose von einem Elektriker installieren. Die Dreileitersteckdose, an die Sie die USV anschließen, muß einen guten (niederohmigen) Erdanschluß (Erdungsschutz) haben, um einen ungefährlichen Stromweg für den Leckstrom zu bieten. Best Power reserves the right to change specifications without prior notice.
  • Page 38 ALARM CODES A-00 Low Runtime A-10 Reserved A-01 Overload A-11 Batteries Disconnected A-02 Circuit Breaker Warning/ A-12 Tap Regulator Alarm Shutdown A-03 High Ambient Temperature A-14 High AC Out Warning/ Shutdown A-04 Check Battery A-15 Check MOVs A-05 Check Inverter A-16 Auto Bypass A-06...

This manual is also suitable for:

Unity/i ut4kUnity/i ut5kUnity/i ut8k

Table of Contents