Apc GALAXY 7000 User Manual download pdf (Page 49)

Connecting the control-wire cables > Connecting the UPS units in parallel

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1. Installation

Connecting parallel UPSs with SSC (static-switch cabinet)

This operation must be carried out by qualified personnel.

The door must be open.

The supplied cables are 10 or 20 m long; The maximum total length must not exceed 180m.

To ensure sufficient isolation of exchange-current and CAN cables, they must be run separately from the power

cables.

On exiting the cabinet, the cables must run along the earthing and connection cables between cabinets.

UPS cabinet

Key

(1) Connectors

(2) Cable ties

(3) Exchange-current and CAN cables

SSC

Key

(1) Connectors

(2) Cable ties

(3) Exchange-current and CAN cables

Exchange current

1 Create a loop between the XM2 and

XM3 connectors in the four UPS units

and the SSC.

All the connectors must be used.

CAN

2. Fit a blue plug on connector XM6 in

UPS1.

3. Interconnect the XM6 and XM7

connectors in the four UPS units and

the SSC.

4. Fit a red plug on connector XM7 in

the SSC.

XM2

XM3

XM4

XM5

XM6

XM7

XM2

XM3

XM4

XM5

XM6

XM7

XM6

XM3

XM2

XM5

XM6

XM3

XM2

XM7

XM5

1 1 1 1

3 3 3 3

XM4 XM4

XM 4 / XM 5

COM

Q3BP ext

Q5N ext

Q5N customer

XM 4 / XM 5

COM

Q3BP ext

Q5N ext

Q4S ext

UPS 1 UPS 2 UPS 3 UPS 4

SSC

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 63 64

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Apc GALAXY 7000 User Manual Page 49

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