Emerson 7400 User Manual

Single Phase UPS systemS 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 lUNINTERRUPTIBLE POWER SYSTEMEMERSON Netw

1 Series 7400 Single Phase 1+N UPS 1.1 Introduction The Uninterruptible Power Supply system is connected between a critical load, such as digita

2 Series 7400 Single Phase 1+N UPS As previously mentioned, each of the two modules forming the one-plus-one system is basically a s

3 Series 7400 Single Phase 1+N UPS The circuit block annotated ‘Static Switch’ in figure 2 contains an electronically

4 Series 7400 Single Phase 1+N UPS Figure 2 illustrates what is known as the “Split Bypass” configuration. This is the standard configuration for a

5 Series 7400 Single Phase 1+N UPS Figure 3A: Power Isolator identification for 230V output system 10/ 40 kVA 50 kVA60/ 80 kVA 105 kVA I2OutputIsola

6 Series 7400 Single Phase 1+N UPS I2OutputIsolatorI3MaintenanceBypassIsolatorI1InputIsolator830830I4OutputIsolatorI3MaintenanceBypassIsolatorI1Inpu

7 Series 7400 Single Phase 1+N UPS When two of the standard 7400 modules just described are connected together to form a one-plus-one system, each m

8 Series 7400 Single Phase 1+N UPS Battery charge current sharing: The illustration in figure 4 shows a de

9 Series 7400 Single Phase 1+N UPS A “Common battery” option kit contains a DCCT (DC Current Transformers) whi

10 Series 7400 Single Phase 1+N UPS The operator control panel is divided into three functional areas; ‘Mimic indications’, Contr

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

11 Series 7400 Single Phase 1+N UPS LS5 - Load on bypass: This led illuminates when the output isolator is closed and the load

12 Series 7400 Single Phase 1+N UPS Switch S7 - Inverter ON: Pressing this switch activates the inverter and causes the load to be transferred to th

13 Series 7400 Single Phase 1+N UPS LCD Display An LCD display, capable of showing two rows of 40 characters, is used to indicate the UPS operating

14 Series 7400 Single Phase 1+N UPS 1.3 Safety Precautions In common with other types of high power equipment, dangerous voltages are present wit

15 Series 7400 Single Phase 1+N UPS 2.1 Introduction Starting and stopping the one-plus-one system is straightforward, however the modules’ resp

16 Series 7400 Single Phase 1+N UPS How to turn ON the System from a Shut down condition (Complete this actions on one module at a time) This pro

17 Series 7400 Single Phase 1+N UPS How to turn ON the System from a Maint. power-down condition (Complete this action on module at a time) This

18 Series 7400 Single Phase 1+N UPS Mimic panel LEDs LS4 and LS6 should extinguish on both modules and LS5 should illuminate to show that the lo

19 Series 7400 Single Phase 1+N UPS IMPORTANT The Maintenance Bypass Isolator may be operated at any time when the UPS is p

20 Series 7400 Single Phase 1+N UPS

This manual contains information concerning the installation, operation and maintenance of the Series 7400 1Phase Uninterruptible Power System (UPS)

21 Series 7400 Single Phase 1+N UPS 3.1 Introduction WARNING Do not apply electrical power to the UPS equipment before the arrival of the commiss

22 Series 7400 Single Phase 1+N UPS The UPS cabinets can be moved by fork lift or crane. Fork lift apertures are provided in the sides of the base

23 Series 7400 Single Phase 1+N UPS In 25kVA to 125 kVA module installations the batteries associated with the UPS equipment are usually contained i

24 Series 7400 Single Phase 1+N UPS Note: If ‘side’ cable entry is to be used ensure that the blanking plates are removed before finally fixing the

25 Series 7400 Single Phase 1+N UPS 3.3 Connecting UPS Power Cables WARNING Ø Before cabling-up the UPS, ensure that you are aware of the locati

26 Series 7400 Single Phase 1+N UPS In the 25-40kVA UPS 1 PH models the input mains / bypass cables, UPS output cables and battery cables are connec

27 Series 7400 Single Phase 1+N UPS 6. Connect the safety earth and any necessary bonding earth cables to the copper earth busbar located on the f

28 Series 7400 Single Phase 1+N UPS Figure 11: Cable connection 25-40kVA, 230V, 1 Ph. Figure 12: Cable connection 50kVA,

29 Series 7400 Single Phase 1+N UPS Figure 14: Cable connections for 105 kVA, 230V, 1 Ph. Figure 13: Cable connection 60 / 80 kVA, 23

30 Series 7400 Single Phase 1+N UPS I1I1I3 I2NSNU RURSRI SI TI+ -Figure 15: Cable connection 25-40kVA, 110V, 1 Ph. Figure 16: Cable connection

REGISTERED AND HEAD OFFICEREGISTERED AND HEAD OFFICE EMERSON NETWORK POWER (INDIA) PVT. LTD. PLOT NO. C-20, ROAD NO. 19 WAGLE INDUSTRI

31 Series 7400 Single Phase 1+N UPS Figure 18: Cable connections for 105 kVA, 230V, 1 Ph. Figure 17: Cable connection 60 / 70 kVA, 110V, 1 Ph. RU+

32 Series 7400 Single Phase 1+N UPS 3.5 Battery Circuit Breaker Boxes A battery circuit breaker box houses the battery circuit breaker and its c

33 Series 7400 Single Phase 1+N UPS Usually the ‘box’ is fitted as close as possible to the batteries. Figure 19 shows the details of the power and

34 Series 7400 Single Phase 1+N UPS

35 Series 7400 Single Phase 1+N UPS Several items of optional equipment are available for fitting to the 7400 series UPS for the use by the customer

36 Series 7400 Single Phase 1+N UPS 4.1 AS400 Interface Board (#100215120003) The AS400 Interface board connects the five most operationally cri

37 Series 7400 Single Phase 1+N UPS TB - M2TB - M12345123456789101112131415SynchrooffInverteroffMains or RectifierFailureLoad on InverterLow Batt

38 Series 7400 Single Phase 1+N UPS 4.2 4-WAY AS400 Interface Board (#100201120004) The 4-way AS-400 Interface board connects fiver critical UPS

39 Series 7400 Single Phase 1+N UPS 1 71 7 1 71 7 1 71 7 1 71 7M2 M3 M4 M51 2 3SH1CN1A S 4 0 0 I N T E R F A C E B O A R DP a r t N o .

40 Series 7400 Single Phase 1+N UPS 4.3 Output Interface (Remote Alarms) Board (100215120007 & 100215120002) Two remote alarm boards, shown i

Branch Offices: BARODA 39 / 2, Arunodaya Society, Alkapuri, BARODA-390 005 Tel : 0265-314296, 330383 Fax: 0265-314296, 330383 JAMSHEDPUR Kashi

41 Series 7400 Single Phase 1+N UPS 123456789101112131415M1123456789101112131415M2123456789101112131415M3RELAYRELAYMAINS VOLTAGE OKRECTIFIER ACTIVEB

42 Series 7400 Single Phase 1+N UPS 4.4 Remote Alarm Monitor (RAM) for Single Module & “1 + 1” UPS System. This will contain following item

43 Series 7400 Single Phase 1+N UPS Figure 25: Remote alarm monitors for single module and 1+1 configuration

44 Series 7400 Single Phase 1+N UPS MAINS OK(BYPASS)RECTIFIERACTIVEBATTERYOKEND OFDISCHARGEINVERTEROKSYNCHROOKLOAD ONUPSLOAD ONBYPASSOVERTEMPERATUR

45 Series 7400 Single Phase 1+N UPS MAINS OK(BYPASS)RECTIFIERACTIVEBATTERYOKEND OFDISCHARGEINVERTEROKSYNCHROOKLOAD ONUPSLOAD ONBYPASSOVERTEMPERATURE

46 Series 7400 Single Phase 1+N UPS

47 Series 7400 Single Phase 1+N UPS 5.1 Introduction This chapter contains the procedures necessary to effect general maintenance of the UPS module

48 Series 7400 Single Phase 1+N UPS Carry out the following checks from the mimic panel and log the results: 1. Measure and record the battery flo

49 Series 7400 Single Phase 1+N UPS 6. Carry out a thorough examination of the UPS power components and sub-assemblies, paying particular attention

50 Series 7400 Single Phase 1+N UPS

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 m

51 Series 7400 Single Phase 1+N UPS 6.1 Troubleshooting UPS systems The UPS contains complex electronic control circuits that require a firm unde

52 Series 7400 Single Phase 1+N UPS Corrective Action When all the indications have been noted, you should refer to the following fault interpretati

53 Series 7400 Single Phase 1+N UPS LED NORMAL ACTIONS TO BE TAKEN IF ABNORMAL NUMBER STATE LS1

54 Series 7400 Single Phase 1+N UPS ** Note that in one-plus-one system configured with a redundant mo

55 Series 7400 Single Phase 1+N UPS 6.2 Display Panel Message Interpretation The following table lists the various messages displayed on the opera

56 Series 7400 Single Phase 1+N UPS DISPLAY MESSAGE INTERPRETATION UPS ON MAINTENANCE BYPASS INVERTER U

57 Series 7400 Single Phase 1+N UPS A N N E X U R E Inter Connection cable details Any system essentially needs UPS module. However many customers

58 Series 7400 Single Phase 1+N UPS

GENERAL As with other types of high power equipment, dangerous voltages are present within the UPS and battery enclosure. The risk of contact with t

1 General Description 1 1.1 Introduction 1 1.2 Design Concept 1 1.2.1 Redundant vs Non redundant configur

4 Optional Equipment 35 4.1 AS400 Interface Board (#10021512003) 36 4.1.1 AS400 Interface board outputs 36 4.1.2 R