Stop, Start & Operating the External Service Bypass Panel

Single Utility

2.6.2 Switching the system from external bypass into normal

 

UPS operation

Dual Utility

NOTE:

If battery has been discon- nected please refer to “Starting Up” in Chapter 2.5.1 to connect battery(-ies) again.

Action

1.Turn the input switch (Q001) to position “1”. If dual utility is present, turn the bypass input switch (Q010) to position “1”.

2.Wait 10 sec. Open the UPS front door 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 lamp indication on the service bypass panel

8.Turn the output switch (Q002) to position “1“

9.Turn 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

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

Now the green lamp (H003) above the bypass switch handle (Q003) lights too

Only the green lamp (H003) above the bypass switch handle (Q003) lights

Display shows

Bypass operation

: YES

Bypass operation

: NO

Normal operation load power xx%

No lamps on the bypass panel light any longer

7OA0002 US rev. 04

User Guide Silcon DP300E Series 480V 240-320kVA

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APC DP300E manual Single Utility, Switching the system from external bypass into normal, UPS operation, Action