1. Manuals
  2. Brands
  3. Tower Electronic Systems Manuals
  4. UPS
  5. MAXI-T
  6. Operating instructions manual

Tower Electronic Systems MAXI-T Operating Instructions Manual

Single phase input / output on-line ups
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
OCTOBER 2002
MAXI-T MANUAL
OPERATING MANUAL
MAXI-T
SINGLE PHASE INPUT / OUTPUT
ON-LINE UPS
1

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MAXI-T and is the answer not in the manual?

Questions and answers

Summary of Contents for Tower Electronic Systems MAXI-T

  • Page 1 OCTOBER 2002 MAXI-T MANUAL OPERATING MANUAL MAXI-T SINGLE PHASE INPUT / OUTPUT ON-LINE UPS...

  • Page 2: Table Of Contents

    OCTOBER 2002 MAXI-T MANUAL CONTENTS INTRODUCTION General Description Location INSTALLATION General Input and Output cabling and circuit breaker data Battery Details Battery Configuration Battery Connection SYSTEM OPERATING PROCEDURES Initial Start-up Transfer of Load to Reserve TROUBLE SHOOTING Description of alarms...

  • Page 3: Introduction

    MAXI-T MANUAL INTRODUCTION GENERAL DESCRIPTION The Maxi-T range of UPS units utilises a modern innovative design providing many benefits to the user. A battery is kept charged via the switching circuit and in the event of a mains failure, the battery takes over supplying power to the inverter.

  • Page 4: Installation

    OCTOBER 2002 MAXI-T MANUAL INSTALLATION GENERAL The following information will be of assistance when installing your UPS. Care should be taken to select the correct circuit breakers and cable sizes. Information is provided in TABLE 1 that will assist with the selection.

  • Page 5: Battery Details

    OCTOBER 2002 MAXI-T MANUAL BATTERY DETAILS Please take special care when installing the batteries and note the following: • Batteries should only be installed by a qualified technician. • Take special care when installing the battery trays • Do not short out the battery terminals.
  • Page 6 OCTOBER 2002 MAXI-T MANUAL BATTERY CONNECTION (cont…) Connect the lower shelf's black cable (negative) to bottom of F2 and the upper shelf's red cable (positive) to the bottom of F1 (as shown in figure 2). Connect the remaining long red and black cables to either side of F3.

  • Page 7: System Operating Procedures

    OCTOBER 2002 MAXI-T MANUAL SYSTEM OPERATING PROCEDURES INITIAL START-UP OF UPS UNIT Turn the INVERTER KEY SWITCH to the off position. • • For 3 - 5kVA units Place the ROTARY BYPASS switch into the TEST position. • • For 8 - 20kVA units Close the BYPASS ISOLATOR (SW2).

  • Page 8: Transfer Of Load To Reserve

    To switch the unit on again, refer to INITIAL START-UP. • TROUBLE SHOOTING The Maxi-T range is designed to provide the maximum reliability possible. Provided the equipment is operated within the design specifications and is installed in the correct environment the high-anticipated reliability will be obtained.

  • Page 9: Description Of Alarms

    OCTOBER 2002 MAXI-T MANUAL DESCRIPTION OF ALARMS ALARM EXPLANATION HIGH DC SHUTDOWN Input dc voltage exceeded trip point (+20% of nominal battery voltage). The over-voltage must be active for longer than 15 seconds. BATTERY DISCHARGING DC voltage has dropped below nominal...
  • Page 10 OCTOBER 2002 MAXI-T MANUAL DESCRIPTION OF ALARMS (cont…) RES V OUT OF LIMITS The reserve source voltage is out of tolerance. (+/-15%). LOAD ON BYPASS The Critical Load is fed from the reserve source via the static switch. ON/OFF SWITCH OFF The key switch on the front door is in the OFF position.

  • Page 11: Technical Specifications

    OCTOBER 2002 MAXI-T MANUAL TECHNICAL SPECIFICATIONS UPS INPUT Input rated voltage 230V, 1 Phase +/-15% Input frequency 50Hz, +/- 5% Input power factor >0,9 IND UPS OUTPUT Rated output at 0,7 IND PF 3kVA, 5kVA, 8kVA, 10kVA, 15kVA, 20kVA Rated output voltage...

  • Page 12: Battery

    OCTOBER 2002 MAXI-T MANUAL BATTERY Type Lead acid maintenance free Anticipated life 3 to 5 years depending on number of discharges and temperature DIMENSIONS AND WEIGHTS OF UPS CABINET Rating 3kVA, 5kVA 8kVA, 10kVA, 15kVA, and 20kVA. UPS cabinet, with standard battery (mm) (SHORT)
  • Page 13 OCTOBER 2002 MAXI-T MANUAL DC DATA 5kVA 32 X 12 VOLT BATTERIES: 192 CELLS V Float 432V V Min 336V Max DC discharge current 11.0A Max DC Power 3.7kW Maximum charging 1.4A 8kVA 32 X 12 VOLT BATTERIES: 192 CELLS...

  • Page 14: Ups Service History

    OCTOBER 2002 MAXI-T MANUAL UPS SERVICE HISTORY INSTALLATION DATE INSTALLED BY COMMISSIONED DATE COMMISSIONED BY RECOMMENDED NEXT SERVICE DATE SERVICED BY SERVICE...

Table of Contents