Apc SILCON 60-80KW 208/480V UPS User Manual download pdf (Page 9)

Stop/Start UPS and Operating the External Service Bypass

990-4035

User Guide APC Silcon 60-80kW 208V/480V UPS 9

2.5 Operating the External Service Bypass Switch (single systems)

2.5.1 Bypassing the Single System UPS

APC Silcon

UPS

Utility

Load

Service Bypass

Switch

Action

1. Press on the keyboard

2. Press or on the keyboard until

3. Press on the keyboard

4. Press on the keyboard

5. Check light indication on the bypass panel

6. Set the external bypass switch (Q003) to position 1

7. Set the output switch (Q002) to position 0

8. Open the front door and press the red OFF button

The acoustic alarm sounds for 30 seconds*

9. Set the input switch (Q001) to position 0

The red alarm LED below the display lights up and

the acoustic alarm sounds for 30 seconds*

*Use the key to reset the acoustic alarm

Display shows

Bypass operation

: NO

**System OFF**

Bypass operation

: YES

Lamp indication on

Bypass Panel

Green light (H003)

above the bypass switch

handle (Q003) lights up

Green light (H002)

above the output switch

handle (Q002) lights up

Only the light (H002)

above the output switch

handle (Q002) is now on

Display shows

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 33 34

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Apc SILCON 60-80KW 208/480V UPS User Manual Page 9

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