Stop/Start UPS and Operating the External Service Bypass

Action

Display shows

 

1.Check that the output switch (Q004) is set to position 0

2.Check that all output switches (Q002) are set to position 1

3. Set input switches (Q001) to position 1

**System OFF**

4.Wait 10 secs.

Open the UPS front door and

press the green ON button on all systems

Normal operation

load power 0%

 

 

5. Press

on the keyboard

 

6.

Press

or

on the keyboard until

7.

Press

on the keyboard

8.Press on the keyboard

All systems switch to bypass operation

Note!

If Q002s are in position 0 off, only programmed systems will switch to bypass

9.Set the output switch (Q004) to position 1

10.Turn the bypass switch (Q003) to position 0

The following can be carried out on any UPS

11. Press

on the keyboard

12. Press

or

on the keyboard until

13. Press

on the keyboard

14. Press

on the keyboard

All the systems will transfer to normal operation

Bypass operation

: NO

Bypass operation

: YES

Bypass operation

Lamp indication on Bypass Panel

H002 and H004 light up

Green light (H003) above bypass switch lights up

The green lamps (H002) and (H004) are switched off, but (H003) is lit until normal operation.

Display shows

Bypass operation

: YES

Bypass operation

: NO

Normal operation

load power 0%

No lamps on the bypass panel are lit

 

990-4058

 

 

User Guide APC Silcon 480kW 400V UPS

15

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Image 15
American Power Conversion 480kW400V manual Set input switches Q001 to position