Stop/Start UPS and Operating the External Service Bypass

Action

1.Set the input switch (Q001) to position 1

2.Wait 5 sec. Open the front door of the UPS and press the green ON key

3.Press on the keyboard

4.

Press

or

on the keyboard until

5.

Press

on the keyboard

6.Press on the keyboard

7.Check light indication on the bypass panel

8.Set the output switch (Q002) to position 1

9.Set the bypass switch (Q003) to position 0

10.Press on the keyboard

11.Press or on the keyboard until

12. Press

on the keyboard

13.Press on the keyboard

14.Press on the keyboard

15. Press

on the keyboard

Display shows

**System OFF**

Normal operation

load power 0%

Bypass operation

: NO

Bypass operation

: YES

Lamp indication on Bypass Panel

Green light (H002) above the output switch handle (Q002) lights up

Green light (H003) above the bypass switch handle (Q003) lights up

Only the light (H003) above the bypass switch handle (Q003) is now on

Display shows

Bypass operation

: YES

Bypass operation

: NO

Normal operation

load power 0%

All lights on the bypass panel switched off

NOTICE!

If battery has been disconnected, please refer to section 2.4.1 UPS start-up.

990-4058GB

12

User Guide APC Silcon 480kW 400/415V UPS

Page 12
Image 12
American Power Conversion 480kW manual System OFF Normal operation Load power 0% Bypass operation