APC 5000 user manual Parallel UPS configuration with external bypass cabinet

Page 53

4. Maintenance

Parallel UPS configuration with external bypass cabinet

Shutdown and isolation of one UPS unit

1 - First check that the total capacity of the remaining UPS units is sufficient to supply the connected load.

2 - Press a button to exit sleep mode.

3 - Shut down the UPS by pressing the OFF button (38) for 3 seconds.

 

 

I

O

 

 

 

38

 

 

 

3s

Q1

Q4S

Q3BP

Q5N

 

9

 

 

8

QF1

10

11

 

 

 

 

 

13

 

4 - Set output switch Q5N (11) to OFF.

5 - Set the battery circuit-breaker QF1 (13) (or set the battery circuit- breakers of the auxiliary cabinets if any) to OFF.

6 - Set the input circuit-breaker Q1 (8) to OFF.

7 - Set the input circuit-breaker Q4S (9) to OFF.

8 - Wait until the display and LEDs go off.

The load is still protected by the other UPS units.

Maintenance or servicing can now be carried out on the UPS unit that has been shut down.

Shutdown and isolation of all the UPS units:

N L1 L2 L3

 

60

64

Q4S

 

 

N L1 L2 L3

65

Q3BP

61

 

 

 

 

N L1 L2 L3

66

Q5N 62

 

 

63 N L1 L2 L3

1 - On each UPS unit, press a button to exit sleep mode.

2 - Shut down each UPS unit by pressing their OFF buttons (38) for 3 seconds.

3 - Set switch Q3BP (65) in the external bypass cabinet to ON.

4 - Set switch Q5N (66) in the external bypass cabinet to OFF.

5 - Set switch Q4S (64) in the external bypass cabinet to OFF.

6 - Set output switch Q5N (11) of each UPS unit to OFF.

7 - Set the battery circuit-breaker QF1 (13) of each UPS unit (or set the battery circuit-breakers of the auxiliary cabinets if any) to OFF.

8 - Set the input circuit-breaker Q1 (8) of each UPS unit to OFF.

9 - Set switch Q4S (9) of each UPS unit to OFF.

10 - Wait until the control electronics of all UPS units have fully shut down.

The load is no longer protected by the UPS, but continues to be supplied with AC power.

Maintenance or servicing can now be carried out.

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Contents Mgetm GalaxyTM Introduction Safety rules SafetySafety of persons Product safetyDocumentDisplay ForewordPictograms Contents Operation Assembly and connection of an empty battery cabinetContents Mgetm GalaxyTM UPS cabinet External battery cabinet / auxiliary cabinetPresentation Simplified diagram of power connections Inside the UPS cabinet, access to connectionsExample of version with built-in battery View with terminal-block protection cover removed Cabinet layout normal or false floorRelay communication card User-machine interfaceUPS cabinet Battery cabinet InstallationLocation Layout of cabinetsUPS External battery cabinetRemoving the cardboard protecting the batteries Recommended upstream protection Required protective devices and cable sizesRecommended downstream protection Earth-leakage currentRequired cable sizes Battery/terminalMinimum sizes Rating Separate Normal AC Separate Bypass For commonGalaxy 2.5 System earthing arrangements TNS upstream and TNS downstream installationWith differential circuit breaker Without differential circuit breakerTNC upstream, TNS downstream Installation with upstream IT and downstream TNSUpstream and downstream Neutral not distributed Frequency converter without Bypass AC inputInstallation Q3BP Q4S Interconnecting the cabinet earths Connection of power cables in a single UPS unitUPS units with common normal and Bypass AC inputs UPS units with separate normal and Bypass AC inputsConnect the usage cable PEN to the UPS earthing terminal Connection of earth cable and tying of cables Connection of power cables for parallel UPS unitsEquipotential bonding between parallel-connected units This configuration does not have an external bypass To load Source NormalKey Connection of the 150 kVA external bypass cabinetConnection of the 360 kVA external bypass cabinet Connection of the 600 kVA external bypass cabinet Can // interconnections Exchange-current interconnectionsAux. terminal block External bypass cabinet Jumpers connected toExternal bypass cabinet Interconnections with the external bypass cabinetXMB 08 XMB Connection of the relay communications card Characteristics of the input contacts Characteristics of the output contactsCommunications card connection example Adding communication cardsCable description Insulation level Location on illustration Running the control/communications cablesSingle UPS Parallel UPS Mounting the battery circuit breaker kit Power connections for an external battery cabinetAssembly and connection of an empty battery cabinet Mounting the shelves and the battery cells Control connections for an external battery cabinet Connection of an output isolating transformer Connection of an input isolating transformerShutting down a single UPS OperationRestarting a single UPS Load is protected by the UPS 31 32Load is protected by the UPSs Shutting down a parallel configurationRestarting a parallel configuration Single UPS start sequence on Normal AC input Operation of mimic-panel LEDsECO mode single UPS only Normal double conversion modeOperating modes Bypass AC source availableTransfer to battery power Load on battery powerEnd of battery power Access to the personalisation functionsBattery Operating modeFrequency Automatic bypassRelay contacts communications card Inputs Factory setting Options available on all contactsOutputs Factory setting Options available on all contacts Welcome screen Display functionsIdentification of alarms MaintenanceLife Cycle Monitoring LCM LED Buzzer SignificationUPS isolation UPS operating in ECO modeFrequency converter If supplied by the network via the Bypass AC channelShutdown and isolation of the second UPS unit Parallel UPS configuration without external bypass cabinetShutdown and isolation of the first UPS unit Shutdown and isolation of all the UPS units Parallel UPS configuration with external bypass cabinetShutdown and isolation of one UPS unit UPS unit starts automatically LED 31 is on Return to the normal positionUPS restarts and LED 31 is on Restart the UPS unit for which all switches are set to OFFUPS unit starts automatically. LED 31 is on Parallel UPS configuration with external bypass cabinet Training centres Substances EnvironmentPacking End of lifeAvailable options Technical sheets AppendicesCenter of gravity Tip angle to the rearSelection of protection devices Electrical characteristicsUPS unit with common normal and Bypass AC inputs UPS unit with separate normal and Bypass AC inputsLine current values Input / output characteristicsWith external bypass cabinet Maximum allowable power for parallel UPS unitsWithout external bypass cabinet UPS power rating Heat losses Recommended air Throughput Thermal characteristicsRestrictions to parallel operation Single UPS Parallel UPSUPS power in kVA 100 120 Normal AC input General characteristics of Mgetm GalaxyTM 5000 UPSsBypass AC input InverterUPS components UPS power in kVA 100 120Options IP32 installationGlossary Uninterruptible Power Supply

5000 specifications

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