Apc 60-80kW User Manual download pdf (Page 16)

16 Installation Guide APC Silcon 60-80kW 400V UPS

990-4051

External Connection

External Control Cables

External multicore cable is equipped with 15-pin SUB-D plug at either end. Connect pin 1 to

pin 1, and pin 2 to pin 2 etc. up to pin 15 - with the exception of pin 8, which is not to be

connected.

Shield is connected to plug cover at both ends.

Terminals X020 and X021 for control cables located on parallel board. Connect X020 in UPS1

to X021 in UPS2, and connect X020 in UPS2 to X021 in UPS3 etc. Connect X020 in last UPS

to X021 in UPS1.

Cable is delivered with the UPS.

Power Cables

To optimize load-sharing in parallel operation, external power circuits must be “symmetrical”:

Power input and output cables to have same length and identical cross-sections.

to other parallel units

UPS 1

UPS 2

UPS 3

X020:15-pin SUB-D female

X021:15-pin SUB-D female

Parallel Board

External multicore cable with 14 wires + shield

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 79 80

No comments

Apc 60-80kW User Manual Page 16