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Options/accessories – APC SILCON 10-40KW 400V UPS User Manual

Page 57

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Options/Accessories

990-4050

Installation Guide APC Silcon 10-40kW 400V UPS

57

6.1.3 Operating The External 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 lamp indication on the Service Bypass Panel

6. Turn the external bypass switch (Q003)
to position ”1“

7. Turn the output switch (Q002) to position ”0“

8. Open the front door and press both the green
”ON“ and the red ”OFF“ keys simultaneously

The acoustic alarm sounds for 30 sec.*

9. Turn the input switch to position ”0“

The red alarm LED below the display lights
and the acoustic alarm sounds for 30 sec.

* The acoustic alarm can be reset by the key

Bypass operation
:NO

Bypass operation
:YES

Display shows

Lamp indication
on Service Bypass Panel

The Green lamp (H003)
above the bypass switch
handle (Q003) lights

The Green lamp (H002)
above the output switch
handle (Q002) lights

Only the lamp (H002)
above the output switch
handle (Q002) lights now

** System OFF **

Display shows