Operation

The second page is the STATUS, which includes:

Static Bypass Switch Line (Open/Closed)

Static Bypass Switch Load (Open/Closed)

Input Contactor (Open/Closed)

Output Contactor (Open/Closed)

Trap Filter (On/Off) (If installed)

Int. MBP (Normal/Bypass Service)

Ext. MBP (Open/Closed)

Battery CB (Open/Closed)

SBS (On/Off)

Rectifier (On/Off)

Inverter (On/Off)

Figure 38 History log status report screen

HISTORY LOG 1 P2 - STATUS 14 : 19: 50 02 / 10 / 00

SBS LINE

 

 

 

 

 

 

 

 

 

 

TRAP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SBS LOAD

 

 

 

 

 

 

 

INT. MBP SERVICE

INP DELTA

EXT. MBP OPEN

OUTPUT

 

 

 

 

 

 

BATT CB OPEN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SBS OFF RECT. OFF INV. OFF

PREV NEXT

ALARMS

METER EXIT FRAME 0

The last page includes faults. The alarm conditions that cause the History Status buffer to store and freeze data are:

Rectifier fail

Battery Low Transfer

Output Overvoltage Transfer

Output Undervoltage Transfer

Inverter Fail

Inverter Overload Transfer

Heatsink Overtemp Limit

Outlet Air Overtemp Limit

Fault Load Transfer to Bypass

Transfer Failed Shutdown

Figure 39 History log faults/alarms report screen

HISTORY LOG 1 P3 - FAULTS / ALARMS 14 : 22: 29 02 / 10 / 00

DC OV TRANSIENT

INPUT OF / UF

RECTIFIER FUSE FAIL

INPUT OF / UF

NEXT PREV

METER

STATUS EXIT FRAME 40

37

Page 45
Image 45
Liebert 30-130kVA manual SBS Line Trap SBS Load, Input of / UF