Emerson 7400M Series Manuale utente

Series7400M UPS

USER MANUAL

Single Module

Parallel 1+N

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7400M

UNINTERRUPTIBLEPOWER SYSTEM

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7400M

UNINTERRUPTIBLEPOWER SYSTEM

Part No. : 500203072038 Revision : 01

02/02 1

Dear Customer,

Please accept our thanks for giving us the privilege to serve you by choosing a Liebert

make ‘UPS’.

If this is your first Liebert UPS, we hope it is the beginning of a long relationship which

delivers value to your organisation. If you already own and use a Liebert UPS, we are

doubly honoured by your decision of continuing this relationship.

It is our constant endeavour to partner you for the growth and success of your business.

This philosophy is reflected in our Mission statement “To deliver value through Air &

Power Quality solutions to achieve customer delight”. Please do give us feedback to help

us realise our Mission.

Emerson Network Power (India) Pvt. Ltd.

02/02 2

This manual contains information concerning the installation, operation and maintenance of the

Liebert Series 7400-M Uninterruptible Power System (UPS) for the Single Module and One plus One

Systems.

All relevant parts of the manual should be read prior to commencing installation.

The UPS must be commissioned by an engineer approved by the manufacturer (or his agent)

before being put into service. Failure to observe this condition will invalidate any implied

warranty.

The Series 7400-M UPS has been designed for Commercial / Industrial use only.

The Series 7400-M UPS has not been designed for direct use in any life support application.

If you encounter any problem with the procedures contained in this manual you should seek

immediate assistance from Emerson Network Power Sales Office from whom the equipment was

purchased. Alternatively contact the Emerson Network Power -Customer Service & Support

department at the address shown below:

Emerson Network Power (India) Pvt. Ltd.

Plot No. C-20, Road No. 19

Wagle Industrial Estate

Thane –400 604, INDIA

Phone : 91-22-25807000

25802388

Fax : 91-22-25800829

25828358

Emerson Network Power pursues a policy of continual product development and reserves the right to

change the equipment without notice.

Unauthorized reproduction prohibited

IMPORTANT

02/02 3

REGISTERED HEAD OFFICE

Emerson Network Power (India) Private Limited

PLOT NO. C-20, ROAD NO. 19

WAGLE INDUSTRIAL ESTATE

THANE –400 604 MAHARASHTRA, INDIA

TELEPHONE: (00 91 22) 25807000/ 25828405 / 25802388

FAX: (00 91 22) 25800829 / 25828358

*** WEST ZONE ***

Mumbai

Address: B-414, 424, Bhaveshwar Arcade, (opp. Shreyas cinema), LBS Road, Ghatkopar,

Mumbai 400 086

Tel: 91-22-2500 2318, 2500 2294, 2500 2437

Fax: 91-22-2500 2415

Pune

Address: B/6, Shree Dwarka Co-op. Soc., Hare Krishna Mandir Path, Model Colony, Off.

University Road, Pune 411 016

Tel: 91-20-2567 0709, 2567 6975

Fax: 91-20-400 4020

Baroda

Address: 39 / 2, Arunodaya Soc., Alkapuri, Baroda 390 005

Tel: 91-265-231 4296 / 2330 383

Fax: 91-265-2343937

Nagpur

Address: 203, Ganga Apts, 13, Giripeth, Nagpur 400 010

Tel: 91-712-540 423

Fax: 91-712-540 423

*** SOUTH ZONE ***

Bangalore

Address: No. 412, Jindal Center, 2nd Flr, 100 Fleet Road, Koramangalam, Opp.

Sukhsagar Hotel, Bangalore -95

Tel: 91-80-51135670 / 5770 / 5870

Fax: 91-80-2558 8546

Chennai

Address: OMS Court, No. 1, Nathamuni Street, T., Nagar, Chennai 600 017

Tel: 91-44-2815 1063, 2815 2596, 712 4863, 713 4884, 713 4883

Fax: 91-44-2815 1442

Kochin

Address: "Nedumparambil", No. 1419/36, Kattakara Road, Kaloor, Kochin 682 017

Tel: 91-484-2341 985/86

Fax: 91-484-2341 986

Secunderabad

Address: 1-1-40/1, 2nd floor, Vasavi Towers, S. D. Road, Secunderabad -500 003

Tel: 91-40-27806774 / 5/ 6

Fax: 91-40-2780 6777

02/02 4

*** EAST ZONE ***

Kolkatta

Address: Jindal Towers, 21/1A/3, Darga Road, Kolkata -700 017

Tel: 91-33-2289 0493 / 033 2289 0490

Fax: 91-33-2289 0492

Bhubaneshwar

Address: 69, Satya Nagar, Bhubaneshwar 751 007

Tel: 91-674-2520 778

Fax: 91-674-2520 778

Jamshedpur

Address: Kashi Kunji, Road No. 2, Ground Floor, Contractors Areas, Bistupur, Jamshedpur

831 001

Tel: 91-657-2227 678

Fax: 91-657-2227 678

*** NORTH ZONE ***

New Delhi

Address: 18/14, WEA, Pusa Lane, Karol Baug; New Delhi 110 005

Tel: 91-11-2582 4206 / 2582 4208 / 2582 4214 / 18

Fax: 91-11-2575 7601

Chandigarh

Address: SCO No. 272, Sector 32 -C & D, 1st Floor, Above Punjab and Sind

Bank,Chandigarh.

Tel: 0172-5077531

Fax: 0172-5016531

Lucknow

Address: 213, 2nd Floor, Saran Chambers-II, 5, Park Road, Lucknow -226 001 (U.P)

Tel: 91-522-2237174

Fax: 91-522-2239877

Guwahati

Address : C/o. Ashok Bhasin, South Sarania, Ashram Road, (Near GMC Tax Office),

Ulubari, Guwahati -

781 007.

Tel: 91-361-2453270

Fax: 91-361-2453270

(Updated: December 1, 2004)

02/02 5

Safety Procedure

WARNING

In a domestic environment, this product may cause radio interface in which case the user may be

required to take additional measures.

WARNING

HIGH EARTH LEAKAGE CURRENT: EARTH CONNECTIONS IS ESSENTIAL BEFORE CONNECTING THE

INPUT SUPPLY. This equipment must be earthed in accordance with local electrical codes.

WARNING

THIS UPS DOES NOT INCORPORATE AUTOMATIC BACKFEED PROTECTION. A WARNING LABEL MUST

BE FITTED TO ALL EXTERNAL PRIMARY POWER ISOLATIONS STATING.

INSULATE THE UNINTERRUPTIBLE POWER SYSTEM BEFORE WORKING ON THIS CIRCUIT.

GENERAL

As with other types of high power equipment, dangerous voltages are present within the UPS and battery

enclosure. The risk of contact with these is minimised as the live component parts are housed behind a

hinged, lockable door. Further internal safety screens make the equipment protected to IP20 standards.

No risk exists to any personnel when operating the equipment in the normal manner, following the

recommended operating procedures.

All equipment maintenance and servicing procedures involve internal access and should be carried out

only by trained personnel.

BATTERIES

Battery manufacturers supply details of the necessary precautions to be observed when working on, or in

the vicinity of a large bank of battery cells. These precautions should be followed implicitly at all times.

Particular attention should be paid to the recommendations concerning local environmental conditions

and the provision of protective clothing, first-aid and fire fighting facilities

TEST EQUIPMENT

When the battery is under charge, it is earth-referenced about its mid-point –e.g. if the battery is being

charged at 460V the battery extremities will be at +230V and –230V with respect to neutral (earth).

When using mains-powered test equipment such as oscilloscopes in the UPS voltage area, always use a

differential mode of operation to avoid the need to disconnect the oscilloscope frame earth.

PERSONNEL

When working inside the UPS (trained personnel only) it is recommended that protection be worn to

prevent eye damage, should an electric arc be struck by mishandling or severe electrical fault.

Some of the power components are very heavy. If their removal is necessary, ensure that sufficient

manpower is available; otherwise use adequate mechanical handling equipment.

When working in the general area of the UPS where high voltages are present, a second person should

be standing-by to assist and summon help in case of accident.

02/02 6

Chapter 1-General Description 9

1.1 Introduction 9

1.2 Design Concept 9

1.2.1 7400-M Module Design 9

1.2.2 Bypass supplies 10

1.2.3 UPS Power Switch Configuration 11

1.2.4 Battery Circuit Breaker 11

1.2.5 Battery Cabinet/ Racks 11

1.2.6 Battery Circuit Breaker Box 11

1.2.7 Battery temperature compensation (optional) 11

1.3 Operator Control and Display Panel 13

1.3.1 LED Indications 14

1.3.2 LCD Display 15

Chapter 2-Operating Instructions 19

2.1 Introduction 19

2.1.1 General notes 19

2.2 Procedure for switching the UPS to Power the Load from a Power off condition 21

2.3 Procedure for switching the UPS into a Maintenance Bypass condition

from normal operation 22

2.4 Procedure for Switching the UPS ON from a Maint. Power down condition 24

2.5 Procedure for completely powering down the UPS 25

2.6 Procedure for carrying out a RESET after a recognised

controlled transfer to bypass or EPO action 27

Chapter 3 -Installation Procedure 28

3.1 Introduction

3.1.1 Equipment positioning and Environmental considerations 29

3.1.2 Raised floor installation 29

3.1.3 Battery Location 30

3.2 Preliminary Checks 32

3.3 Connecting the UPS power cables 33

3.3.1 Cable entry 33

3.3.2 Cable rating 33

3.3.3 Cable connections 34

3.3.4 Safety earth 34

3.3.5 Protective devices 34

3.3.6 Cabling procedure 35

3.4. Battery Installation 39

Table of Contents

02/02 7

Chapter 4-Optional Equipment 42

4.1 AS400 Alarm Interface Board 432

4.1.1 Remote control inputs 42

4.1.2 AS400 Interface 42

4.1.3 Alarm outputs 44

4.1.4 X2 Extension 44

4.2 Remote Alarms Interface Board 45

4.2.1 Alarm outputs 45

4.3 Additional 3 X A5400 Interface 48

4.4 Remote Alarm Monitor 49

4.4.1 Connections 49

4.5 Battery cabinet/ Racks 51

4.6 Battery circuit breaker boxes 54

4.6.1 Temperature Sensor Board 54

4.7 Communications Kits 56

Chapter 5 -Maintenance 58

5.1 Introduction 58

5.2 Safety Precautions 58

5.3 Scheduled Maintenance 58

5.3.1 Daily cheeks 58

5.3.2 Weekly checks 59

5.3.3 Annual service 59

5.3.4 Extended service 60

5.3.5 Battery maintenance 60

5.4 UPS Status parameters 61

Chapter 6 -Troubleshooting 63

6.1 Troubleshooting UPS systems 63

6.1.1 Operating parameters and limitations 63

6.1.2 General Troubleshooting Procedure 63

6.2 LED interpretation 65

6.3 Display panel message interpretation 66

6.4 Number of messages, red LED and buzzer 68

Chapter 7 -1 +1 Parallel System 70

7.1 Generality 70

7.1.1 Introduction 70

7.1.2 Design concept 73

02/02 8

7.2 Operating Instructions 75

7.2.1 Generality 75

7.2.2 Switching the system to Power the load from a power off condition 75

7.2.3 Switching the system to Maintenance bypass from Normal operation 75

7.2.4 Switching the system ON from a Maintenance power down condition 75

7.2.5 Powering down the system 75

7.2.6 Reset of the system after a recognised transfer to bypass or EPO Action 76

7.2.7 Powering down and insulating one module, the other still operating and back 76

7.3 Installation Procedure 77

7.3.1 Preliminary Cheeks 77

7.3.2 Power cables 78

7.3.3 Control cables 79

7.4 Optional Equipment 80

7.4.1 Auxiliary Battery Distribution Boxes 80

7.5 Specifications for 1 +1 configuration 83

Chapter 8 -Specification Single Module 84

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02/02 9

1.1 Introduction:

The 7400-M series Uninterruptible Power Supply (UPS) system is

connected between a critical load, such as a computer, and its three

phase mains power supply. Being designed to furnish a well

regulated 3 phase output power supply under all rated load and input

supply conditions, the system offers the user the following advantages:

Increased power quality:

The UPS has its own internal voltage and frequency regulator which

ensure that its output is maintained within close tolerances

independent of voltage and frequency variations on the mains power

lines.

Increased noise rejection:

By rectifying the input AC power to DC power, and then converting it

back to AC, any electrical noise present on the input mains supply line

is effectively isolated from the UPS output, therefore the critical load

sees only clean power.

Power blackout protection:

If the mains power fails, the UPS continues to power the critical load

from its battery source, leaving the load immune from power

disturbances.

1.2 Design Concept

1.2.1 7400-MModuleDesign This section describes an individual module’s operating principles.

The UPS basically operates as an AC-DC-AC converter (see figure 1-

1). The first conversion stage (from AC to DC) uses a 3 phase, fully

controlled SCR bridge rectifier to convert the incoming mains supply

into a regulated DC busbar.

The DC busbar produced by the rectifier provides both battery

charging power and power to the inverter section –which utilizes the

latest IGBT switching, pulse width modulation (PWM) design and

provides the second conversion phase; i.e. reconverting the DC

busbar voltage back into an AC voltage waveform.

Chapter 1 –General Description

Figure 1-1: Single Module Block Diagram

RECTIFIER STATIC

SWITCH

INVERTER

BATTERY

Bypass

Supply

Mains

Supply

UPS

Output

Supply

Indice

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