Apc Silcon DP300E Series User Manual download pdf (Page 8)

8 User Guide Silcon DP300E Series 480V 400-500kVA

7OA0004 US rev. 02

Single Utility

Dual Utility

2.6 Operating the external service bypass switch, single systems

2.6.1 Bypassing the UPS

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 bypass panel The green lamp (H003)

above the bypass switch

handle (Q003) lights

6. Turn the external bypass switch (Q003) The green lamp (H002)

to position “1“. above the output switch

handle (Q002) lights

7. Turn the output switch (Q002) to position “0“. Only the lamp (H002) above

the output switch handle

(Q002) lights now

8. Open the front door and press the red

“OFF“ push-button.

The acoustic alarm sounds for 30 secs.*

9. Turn the input switch (Q001) to position “0“.

Turn the bypass input switch (Q010) to position

“0”, if dual utility is present.

The red alarm LED below the display lights and

the acoustic alarm sounds for 30 secs.

* The acoustic alarm can be reset by the

key

EMERGENCY (UPS not alive)

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

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

3. Turn the input switch (Q001) to position “0“.

4. If dual utility is present, turn bypass input switch (Q010) to position “0”.

5. Change released system input fuse(s), if any.

Display shows

Lamp indication on

bypass panel

Display shows

Stop, Start & Operating the External Service Bypass Panel

Bypass operation

: NO

Bypass operation

: YES

**System OFF**

WARNING!

If the UPS is out of service for

more than 48 hours the

connected batteries might be

damaged. Refer to total

“Switching off“ as described in

chapter 2.4.1.

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Apc Silcon DP300E Series User Manual Page 8

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