APC GALAXY 7000 User Manual

Page 6

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34020846EN/AD

- Page 6

Contents

1.1 Possible installations .........................................................................................................................10

Single or modular UPS alone .............................................................................................................10

Parallel UPS systems .........................................................................................................................10

Modular UPSs in parallel ...........................................................................................................10

Modular UPSs in parallel with external bypass cabinet .............................................................10

Parallel UPSs with SSC (static-switch cabinet) ......................................................................... 11

Parallel UPS with SSC and SSC maintenance cabinet ............................................................ 11

UPS set up as a frequency converter .................................................................................................12

Single UPS ................................................................................................................................12

Parallel UPS systems ................................................................................................................12

1.2 Layout ..................................................................................................................................................13

Dimensions .........................................................................................................................................13

Weights ..............................................................................................................................................13

Floor mounting ...................................................................................................................................14

UPS cabinets ...........................................................................................................................14

SSC ...........................................................................................................................................14

External bypass or SSC maintenance cabinets ........................................................................15

Auxiliary cabinets (empty) ........................................................................................................16

Backfeed cabinet .......................................................................................................................16

Position in room ..................................................................................................................................17

UPS cabinets ............................................................................................................................17

SSCs .........................................................................................................................................17

External bypass cabinets ..........................................................................................................17

Battery / auxiliary cabinets ........................................................................................................17

Ventilation ...........................................................................................................................................18

UPS cabinets ............................................................................................................................18

SSC cabinets ............................................................................................................................18

1.3 Prerequisites .......................................................................................................................................19

UPS currents ......................................................................................................................................19

Normal AC source ...................................................................................................................19

Bypass AC source ...................................................................................................................19

Battery protection ...............................................................................................................................20

Characteristics of the connection terminals ........................................................................................21

UPS cabinets ............................................................................................................................21

SSCs, SSC maintenance, External bypass cabinets ................................................................21

Power cables for single UPSs ............................................................................................................21

Power cables for parallel UPSs ..........................................................................................................22

Normal AC line and battery .......................................................................................................22

Bypass AC line and load ...........................................................................................................22

1.4 System earthing arrangements .........................................................................................................24