Apc GALAXY 5000 Manual do Utilizador descarregar pdf (Página 18)

34001813EN/AE - Page 18

2. Installation

TNC upstream, TNS downstream

For separate Normal AC and Bypass AC lines from a single source

Installation with upstream IT and downstream TNS

For separate Normal AC and Bypass AC lines from a single source

Installation with upstream TT and downstream TT (with upstream differential protection)

For separate Normal AC and Bypass AC lines from the same source

The upstream differential protection rating must be at least 3A

1.the UPS internal PEN bar must be connected to the Q4S neutral upstream of Q4S

2.The UPS internal PEN bar must be connected to the Q5N neutral downstream of Q5N

3.The UPS internal PE bar must be transformed into a PEN bar (cables supplied for TNC options)

Bypass AC

Normal AC

Load

PEN

UPS

PFC

INV

MLVS

PEN

Bypass AC

Normal AC

CPI

CPI2

Load

UPS

PFC

INV

MLVS

Bypass AC

Normal AC

Load

UPS

PFC

INV

MLVS

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Apc GALAXY 5000 Manual do Utilizador Página 18