Stop, Start & Operating the External Service Bypass Panel

Single Utility

H003

Utility

Load

Q003

H004

Service

bypass

 

2.7.2Switching the parallel system from external bypass into normal UPS operation

Action

Display shows

 

 

switch

Q004

 

 

 

 

 

 

 

H002b

H002a

Q001a

Q001b

 

Q002b

Q002a

 

 

DP300E

 

 

 

 

DP300E

 

 

Dual Utility

H003

 

Utility 2

Load

Q003

 

Service bypass switch

H004

 

Q004

H010a

 

Q010a

 

1.Check that the output switch (Q004) is in position “0”

2.Check that all output switches (Q002) are in position “1”

3.Turn input switches (Q001) to position “1”

4.On systems with dual utility, turn bypass input switches (Q010) to position “1”

5.Wait 10 sec. Open the UPS front door and press the green “ON” push-button on all systems

6.Press on the keyboard

7.Press or on the keyboard until

8. Press

on the keyboard

9. Press on the keyboard

**System OFF**

Normal operation

load power 0%

Bypass operation

: NO

Bypass operation

: YES

 

H002a

Utility 1

DP300E

Q001a

Q002a

H010b

 

Q010b

H002b

 

DP300E

Q001b

Q002b

NOTE:

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

All systems will transfer to bypass operation

NOTE:

if Q002‘s are off “0“ only programmed systems goes to bypass

10.Turn the output switch (Q004) to position “1”

11.Turn the bypass switch (Q003) to position “0”

Bypass operation

Lamp indication on bypass panel

H002 & H004 lights

The green lamp (H003) above the bypass switch also lights.

The green lamps (H002) and (H004) do not light any longer, but (H003) will light until normal operation.

7OA0002 US rev. 04

12

User Guide Silcon DP300E Series 480V 240-320kVA

Page 12
Image 12
APC DP300E manual Press on the keyboard Press or on the keyboard until