Emerson 540VDC manual Appendix A.5.5 Single Liebert FS on UPS DC Bus, UPS Output Rating kVA 120

UPS Interconnection Kits

Appendix A.5.5 Single Liebert FS on UPS DC Bus

The following Liebert FS Software Control Parameters must be set when a single Liebert FS is con- nected alone on the DC bus of the Liebert HiPulse UPS system.

NOTE

The Software Control Parameter values specified below must be used unless otherwise specified by the Liebert-certified service technician at Initial System Startup.

Instructions on setting these parameters on the Liebert FS are found in 6.5.3 - Control Parameters Setup at Initial System Startup.

Table 29 Liebert FS Software Control Parameter settings

Liebert FS Software Control Parameter	Setting
Charge Voltage	436 VDC
Regulation Voltage	426 VDC
Vreg Delta	0 VDC
Maximum Charge Current	See Table 30
Charge Amps/Volts	See Table 30

Table 30 Liebert FS Software Control Parameters varying with UPS size

UPS Output Rating (kVA)	80	120
Liebert FS Maximum Charge Current (A)	39	50
Liebert FS Charge Amps/Volts (A/V)	4	5

Appendix A.5.6 Single Liebert FS in Parallel with Battery Pack on UPS DC Bus

The following Software Control Parameters must be reset when the Liebert FS is connected in paral- lel with a battery pack on the DC bus of the Liebert Hipulse UPS system.

NOTE

The Software Control Parameter values specified below must be used unless otherwise specified by the Liebert-certified service technician at Initial System Startup. These values may require adjustments due to the battery type.

Instructions on setting these parameters on the Liebert FS are found in 6.5.3 - Control Parameters Setup at Initial System Startup.

Table 31 Liebert FS Software Control Parameter settings

Liebert FS Software Control Parameter	Setting
Charge Voltage	436 VDC
Regulation Voltage	426 VDC
Vreg Delta	0 VDC
Maximum Charge Current	See Table 32
Charge Amps/Volts	See Table 32

Table 32 Liebert FS Software Control Parameters varying with UPS size

UPS Output Rating (kVA)	80	120
Liebert FS Maximum Charge Current (A)	39	50
Liebert FS Charge Amps/Volts (A/V)	4	5

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