Emerson 7400 Series Manuale utente

Single Phase UPS system

S i n g l e m o d u l e a n d ‘1 + N’ ( e x p a n d a b l e )

U s e r M a n u a l

UNINTERRUPTIBLEPOWERSYSTEM

EMERSON Network Power (India) Pvt. Ltd.

Dear Customer,

Pleaseacceptourthanksforgivingusthe privilege to serve youbychoosing a Liebert

make‘UPS’.

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

whichdeliversvaluetoyourorganisation. IfyoualreadyownanduseaLiebert,weare

doublyhonouredbyyourdecisionofcontinuingthisrelationship.

Itisourconstantendeavourtopartneryouforthegrowthandsuccessofyourbusiness.

ThisphilosophyisreflectedinourMissionstatement“To delivervaluethroughAir

& Power Quality solutions to achieve customer delight”. Pleasedogiveus

feedbacktohelpusrealizeourMission.

Emerson Network Power (India) Private Limited

This manual contains information concerning the installation, operation and maintenance

of the Series 7400 1Phase 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 1Phase UPS has been designed for Commercial / Industrial use only.

The Series 7400 1Phase UPS is not 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 (India) Pvt. Ltd. Sales Office

from whom the equipment was purchased. Alternatively contact the Emerson Network

Power (India) Pvt. Ltd. Customer Service & Support department at the address shown

below:

EMERSON NETWORK POWER

(INDIA) PRIVATE LIMITED

Plot No. C-20, Road No. 19

Wagle Industrial Estate

Thane –400 604, INDIA

Phone : +91 22 5807000

5802388

Fax : +91 22 5800829

5828358

Emerson Network Power (India) Pvt. Ltd. pursues a policy of continual product development and

reserves the right to change the equipment without notice.

Unauthorized reproduction prohibited

IMPORTANT

REGISTERED AND HEAD OFFICEREGISTERED AND HEAD OFFICE

EMERSON NETWORK POWER (INDIA) PVT. LTD.

PLOT NO. C-20, ROAD NO. 19

WAGLE INDUSTRIAL ESTATE

THANE –400 604 MAHARASHTRA ,INDIA

TELEPHONE: (00 91 22) 5807000 / 5802388

FAX: (00 91 22) 5800829 / 5828358

Z O N A L O F F I C E S

MUMBAI

B414-424,BhaveshwarArcade,

(opp.Shreyascinema),LBSRoad,

Ghatkopar(W),MUMBAI–400086

Tel:022-5002318,5002294,5002437

Fax:022-5002415 Pager:9623-988000

Mobile:9820030917,9820030915

NEW DELHI

18/14,WEA,PusaLane,KarolBaug;

NEWDELHI110005

Tel:011-5724706,5781878,5781071,

5744774,5766438

Fax:011-5757601

Pager:9632-100300

KOLKOTA

77A,RajaBasantRoyRoad,

KOLKOTA–700029

Tel : 033-4646387,4647197

Fax: 033–4667172

BANGALORE

501,CWing,MittalTowers,

No.6,MGRoad,BANGALORE–560001

Tel:(080)–55994543,5598825,5581448

Pager:(080)96239888000

Fax: 080–5588546

Branch Offices:

BARODA

39/2,ArunodayaSociety,

Alkapuri,BARODA-390005

Tel:0265-314296,330383

Fax:0265-314296,330383

JAMSHEDPUR

Kashikunj,Roadno.2,Gr.Floor

Contractor’sarea,Bistupur;

JAMSHEDPUR–831001

Tel:0657-437549

Fax:0657-437549

CHANDIGARH

SCO-198/199/200,

Sector–34A,NearLabourChowk,

CHANDIGARH

Phone:0172-662873

Mobile:9814100901

LUCKNOW

206,Sriram Tower,AshokMarg

LUCKNOW

Phone :0522-201467

Pager :9628-555091

Mobile:9839025563

CHENNAI

No.22,FirstFloor,GopalKrishnaRoad,

T.Nagar,CHENNAI–600017

Tel : 044-8231742,8221063,8228996

Fax: 044-8231742

NAGPUR

203,GangaApts,

13,Giripeth

NAGPUR400010

Phone/Fax:0712–540423,548551

COCHIN

LakshminiNo.36/2684,

VeluthammaHouse,AzadRoad,

Kaloor,COCHIN682017

Tel : 0484-341985

Fax: 0484-341986

PUNE

B-6,ShriDwarkaco-op.Society,

467/C1,HareKrishnaMandirPath,

ModelColony,OffUniversityRoad,

PUNE–411006

Tel : 020-5676975,5670709

Fax: 020-4004020

GOA

622/A,LaCitadelColony

DonaPaula,GOA –403004

Tel : c/o. 0832–220 723

SECUNDARABAD

Plotno.4,SardarPatelRoad

SECUNDARABAD–500003

Tel : 040-7717263,7719196

Fax: 040-7806502

GUWAHATI

SouthSavania,AshramRoad,

Ulubari,GUWAHATI781007

Tel : 0361-543848

Fax: 0361-543270

Mobile:9864023587

Safety Procedure

WARNING

This is a class A UPS product. 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 s 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 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 warebe 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.

1General Description 1

1.1 Introduction 1

1.2 Design Concept 1

1.2.1 Redundant vs Non redundant configuration 1

1.2.2 7400 Module Design 2

1.2.3 Bypass Supplies 3

1.2.4 UPS Power Switch Configuration 4

1.2.5 Battery circuit breaker 4

1.2.6 One plus one parallel control 7

1.2.7 Common Battery 9

1.2.8 Operator Control Panel 10

1.2.9 Battery Circuit Breaker 13

1.2.10 Battery cabinet/ rack 13

1.3 Safety Precautions 14

1.3.1 General 14

1.3.2 Batteries 14

1.3.3 Test Equipment 14

1.3.4 Personnel 14

2Operating Instructions 15

2.1 Introduction 15

2.1.1 Redundant Module System 15

2.1.2 Non Redundant Module System 15

2.1.3 General Notes 15

3Installation (Electrical) 21

3.1 Introduction 21

3.1.1 Equipment Positioning and Environmental considerations 22

3.1.2 Raised floor installation 22

3.1.3 Battery Location 23

3.2 Preliminary Checks 23

3.3 Connecting UPS Power Cables 25

3.3.1 Cable entry 25

3.3.2 Cable rating 25

3.3.3 Cable connections 26

3.3.4 Cabling procedure 26

3.4 Battery Circuit Breaker Boxes 32

I N D E X

4Optional Equipment 35

4.1 AS400 Interface Board (#10021512003) 36

4.1.1 AS400 Interface board outputs 36

4.1.2 Remote control inputs 36

4.1.3 Calibration 36

4.2 4-Way AS400 Interface Board (#100201120004) 38

4.2.1 Remote control inputs 38

4.2.2 Calibration 38

4.3 Output Interface (Remote alarms) Board (#100215120007 &

#100215120002) 40

4.3.1 Alarm Outputs 40

4.3.2 Remote control inputs 40

4.4 Remote Alarm Monitor (RAM) for Single Module and 1+1 UPS System

5Maintenance 47

5.1 Introduction 47

5.2 Safety Precautions 47

5.3 Scheduled Maintenance 47

5.3.1 Daily checks 47

5.3.2 Weekly checks 48

5.3.3 Annual Service 48

5.3.4 Extended Service 49

5.3.5 Battery Maintenance 49

6Troubleshooting 51

6.1 Troubleshooting UPS systems 51

6.1.1 Operating parameters and limitations51

6.1.2 General troubleshooting procedure 51

6.2 Display Panel Message Interpretation 55

ANNEXURE 57

Series 7400 Single Phase 1+N UPS

1.1 Introduction

The Uninterruptible Power Supply system is connected between a

critical load, such as digital drives & automation, distributed digital

Process Control System, telecom equipment, programmable logic

controller, mission critical applications, computer, and its three

phase mains power supply. Being designed to furnish a well

regulated 1 PH output power supply under all rated load and input

supply conditions the system offers the users the following

advantages: -

Increased power quality :

The UPS has its own internal voltage and frequency regulator

circuits 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 Concepts

The one-plus-one system comprises two standard 7400 series UPS

modules which are modified to allow their outputs to be connected

in parallel. These can then be used in a “redundant” or “non-

redundant” configuration as explained below.

In a non-redundant module configuration, the system is sized such

that both UPS modules are required to feed the potential load, and

if one of the two modules develops a fault, or is for some reason

shut down, the other module automatically shuts down also.

Note: In such an event the load is transferred to an unprocessed bypass supply -

as described later.

In a redundant module configuration the system is sized such that

the potential load can be provided by just one of the two modules.

Under normal circumstances both modules are operational and

share the load current equally; but if one module develops a fault,

or is shut down, the second module is able to take over the full load

demand and continue to provide it with processed, backed-up

power. The advantages of a redundant system over a non-

redundant system in terms of overall system reliability are self-

evident.

Changing a one-plus-one system’s configuration between

redundant and non-redundant is quite straightforward, being

carried out by configuration links on the circuit board, which

governs the modules’ parallel control operation.

1.2.1 Redundantvs

Non-Redundant

configuration

Chapter 1Chapter 1

General Description

Indice

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