APC G5USV040P005SAIO Datový list stáhnout pdf (Strana 26)

34001813EN/AF - Page 26

2. Installation

Frequency converter

For TNC upstream installation, you must connect the earth-cable, See “Earth-cable connection for a TNC earthing

system”, page 23.

To access the connection terminal blocks,

see section 1.2.

1 - The earthing conductors of each UPS

must be connected to the UPS earthing plate.

2 - Connect the neutral conductor of the

Normal AC source to the neutral terminal on

terminal block (15) of UPS1.

3 - Connect the three phases of the Normal

AC source to terminal block (16).

4 - Connect terminal block (16) in UPS1 to

terminal block (16) in UPS2 using the three

conductors of the Normal AC source.

5 - Connect the neutral cable on terminal

block (15) in UPS1 to terminal block (15) in

UPS2.

6 - Connect the four conductors supplying the

load to terminal block (14).

7 - Connect terminal block (14) in UPS1 to

terminal block (14) in UPS2 using the four

load conductors.

8 - Connect the neutral on terminal block (15)

with the neutral of the supplied loads on

terminal block (14).

9 - Tie the cables down to the frame.

10 - Put the cover back in place (see section

1.2).

Do not connect anything to the three phases on the Bypass AC source terminal block (15).

To normal

AC source

To load

N L1 L2 L3

L1 L2 L3

370 mm

UPS 2

UPS 1

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 67 68

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APC G5USV040P005SAIO Datový list Strana 26