APC Symmetra MW Installation Guide download pdf (Page 14)

Electrical Installation: Typical UPS Wiring Principle

8 Symmetra MW 800 kW 3 × 400/230 V Installation Guide - 990-1510B

External disconnection switches

Input/Output wiring precautions

WARNING!

The UPS has no internal manual disconnect devices to switch off external AC (Q1

and Q5) and DC (Q7 and Q8) input power. Ensure that disconnection devices are

available as separate components for this installation.

Note

The installer must provide each external disconnection device for this UPS system with

labels displaying the following text:

“Isolate the Uninterruptible Power Supply (UPS) as instructed in the User Guide before

working on circuit.”

WARNING!

Only personnel trained in the construction and operation of the equipment, and the

electrical and mechanical hazards involved, may install or remove system

components.

WARNING!

Before installation work is carried out, check and test that all AC and DC power

source breakers are in open position.

WARNING!

Supply the UPS from a 3 × 400/230 V, L1, L2, L3, N, PE source or a high-impedance

grounded system.

CAUTION!

All wiring to be in accordance with applicable national and/or local electrical wiring

rules.

Note

Use only copper conductors.

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 53 54

No comments

APC Symmetra MW Installation Guide Page 14