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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 )
UNINTERRUPTIBLE POWER SYSTEM
U s e r M a n u a l
EMERSON Network Power (India) Pvt. Ltd.
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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, 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 Missi
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IMPORTANT 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.
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REGISTERED AND HEAD OFFICE REGISTERED 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 B 414-424, Bhaveshwar Arcade, (opp. Shreyas cinema), LBS Road, Ghatkopar(W), MUMBAI – 400 086 Tel : 022-5002318, 5002294, 5002437 Fax: 022-5002415 Pager : 9623-988 000 M
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Branch Offices: BARODA JAMSHEDPUR 39 / 2, Arunodaya Society, Kashi kunj, Road no. 2, Gr. Floor Alkapuri, BARODA-390 005 Contractor’s area, Bistupur; JAMSHEDPUR – 831 001 Tel : 0265-314296, 330383 Fax: 0265-314296, 330383 Tel : 0657-437549 Fax: 0657-437549 CHANDIGARH LUCKNOW SCO-198 / 199 / 200, 206, Sriram Tower, Ashok Marg Sector – 34A, Near Labour Chowk, LUCKNOW CHANDIGARH Phone : 0522-201467 Phone: 0172-662 873 Pager : 9628-555091 Mobile: 9814100901 Mobile: 98
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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 FI
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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 servic
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I N D E X 1 General 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
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4 Optional 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
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Series 7400 Single Phase 1+N U PS Chapter 1 Chapter 1 General Description 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 s
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Series 7400 Single Phase 1+N UPS Bypass Supply UPS Mains (a.c) (d.c) (a.c) STATIC RECTIFIER INVERTER Output Supply SWITCH Supply (d.c) BATTERY Figure 1: Series 7400 UPS Single Module Block Diagram 1.2.2 7400 Module As previously mentioned, each of the two modules forming the one-plus-one system is basically a standard single module 7400 Design series UPS. This section describes an individual module’s operating principles - the effects of the additional parallel
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Series 7400 Single Phase 1+N UPS Maintenance Bypass Isolator Maintenance Bypass Line Bypass Isolator Bypass Static Bypass Line Supply UPS Mains STATIC Output RECTIFIER INVERTER Supply SWITCH Supply Input Output Isolator Isolator Battery Breaker BATTERY A. BLOCK SCHEMATIC FOR 230V OUTPUT 1PH. UPS SYSTEM Maintenance Bypass Line Maintenance Bypass Isolator Bypass Static Bypass Line Supply Bypass Isolator UPS STATIC Mains RECTIFIER INVERTER Output SWITCH Supp
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Series 7400 Single Phase 1+N UPS 1.2.4 UPS Power Figure 2 illustrates what is known as the “Split Bypass” configuration. This is the standard configuration for all 1PH Models Switch Configuration In the “Split Bypass” configuration the static bypass line is switched by a separate isolator to a dedicated ‘Bypass’ power source which also feeds the maintenance bypass line. The power switch locations in the various 7400 models are shown in Figure 3. With the exception of the mai
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Series 7400 Single Phase 1+N UPS I2 I3 I4 I1 Output Maintenance Static Input Isolator Bypass Bypass Isolator I4 I4 I3 I3 I2 I2 I1 I1 Isolator Isolator Output Output Maintenance Maintenance Static Static Input Input Isolator Isolator Bypass Bypass Bypass Bypass Isolator Isolator Isolator Isolator Isolator Isolator 900 900 830 830 10/ 40 kVA 50 kVA I4 I3 I2 I1 I4 I3 I2 I1 Output Maintenance Static Input Output Maintenance Static Input Isolator Bypass Bypass Isolator Isolator Bypass Bypass Isolat
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Series 7400 Single Phase 1+N UPS I2 I3 I1 Output Maintenance Input Isolator Bypass Isolator Isolator I4 I3 I1 Output Maintenance Input Isolator Bypass Isolator Isolator 830 830 900 900 10/ 40 kVA 50 kVA I4 I3 I1 I4 I3 I1 Output Maintenance Input Output Maintenance Input Isolator Bypass Isolator Isolator Bypass Isolator Isolator Isolator 1250 1250 1400 1400 60/ 70 kVA 105 kVA Figure 3B: Power Isolator identification for 110V output system 6
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Series 7400 Single Phase 1+N UPS 1.2.6 One plus One When two of the standard 7400 modules just described are connected together to form a one-plus-one system, each module Parallel is fitted with an additional circuit board which allows the two Control modules to communicate with each other. Communication takes place via a single ribbon cable connected between the modules as illustrated in figure 4. Note: - Modifying a standard module for use with a one-plus-one system also involve
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Series 7400 Single Phase 1+N UPS Bypass Supply Mains STATIC RECTIFIER INVERTER Supply SWITCH 1+1 PARALLEL CONTROL BATTERY UPS Output Supply BATTERY 1+1 PARALLEL CONTROL Mains STATIC RECTIFIER INVERTER Supply SWITCH Bypass Supply Figure 4: Parallel control in a one-plus-one system Battery charge current sharing: The illustration in figure 4 shows a dedicated battery installation for each module; however, it is poss
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Series 7400 Single Phase 1+N UPS Bypass Supply Mains STATIC RECTIFIER INVERTER Supply SWITCH 1+1 PARALLEL CONTROL UPS BATTERY Output Supply Common Batt. Panel 1+1 PARALLEL CONTROL Mains STATIC RECTIFIER INVERTER Supply SWITCH Bypass Supply Figure 5: ‘Common Battery’ configuration A “Common battery” option kit contains a DCCT (DC Current 1.2.7 Common Battery Transformers) which are fitted to the battery power lines an
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Series 7400 Single Phase 1+N UPS Uninterruptible Power System MEASUREMENTS ALARM INVERTER EMERGENCY Vo Io OFF = = ((•)) f B ON Figure 6: Operator Control Panel The operator control panel is divided into three functional areas; 1.2.8 Operator Control ‘Mimic indications’, Control switches’, and ‘LCD display panel’. Panel Mimic Indications Six LEDs are mounted on a single line diagram to represent the various UPS power paths. These LEDs, which
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Series 7400 Single Phase 1+N UPS MEASUREMENTS ALARM INVERTER EMERGENCY Vo Io OFF ((•)) f B ON S1 S2 S3 S4 S5 LS7 S7 LS8 S6 S8 Figure 8: Control Panel Switches LS5 - Load on bypass: This led illuminates when the output isolator is closed and the load is connected to the bypass via the static switch. LS6 - Load on Inverter: This led illuminates when the output isolator is closed and the load is connected to the inverter via the static switch.
