American Power Conversion MX28B2400+27V, MX28B1200 V DC Distribution from Converters Optional

Page 16

MX28B-1200+27V PRODUCT MANUAL

+24V load supply

Thirty-eight +24V Breakers

Figure 4.5 DC Distribution.

Rev 1

Load Return Bus.

Seven -48V Breakers For DC to DC converters

4.9 –48 V DC Distribution from Converters (Optional)

Up to eight 24V/-48V dc converters can be used to supply power for –48V loads in increments of 10 Amps each. These converters are mounted at to bottom of the unit. Each converter is powered via a circuit breaker located directly below. See figure 4.6

Figure 4.6 DC-to-DC Converters.

10

Image 16
Contents Model MX28B1200/2400+27V Battery Temperature Probe Description Part NumberDC Distribution Options +24V LVD Options +24VRevision Date Description 09/12/2001 Initial releaseTable of Contents SETUP, ADJUSTMENTS, and Operation Page Precautions IntroductionInspection upon Receipt of Goods GeneralConcealed Damage Return of Damaged GoodsWarranty Repair or Replacement Warranty ReturnsGeneral Provisions Exclusions and Limitations Description MX28B-1200/2400+27VMX28B1200/2400+27V System Diagram Rectifiers Power Output Capacity Converters AC Input Power Control UnitBattery connections +24V DC Distribution48 V DC Distribution from Converters Optional DC DistributionMechanical EnvironmentalCompliance Safety Precautions PreparationRecommended Tools Recommended Test EquipmentRoom/Locations MountingAC Service and Ground Connections VentilationBattery Disconnect Connecting the Cables Cable Sizing ConsiderationsRectifier Installation Converter InstallationAlarm Connections Alarm Interface PC BoardExternal Alarm Inputs Alarm OutputsConnecting The Loads DC Circuit BreakersInstallation of Circuit Breakers 2.2 -48V Circuit Breaker Load ConnectionsBattery Temperature Probe Installation Power-Up and CheckoutApply AC Power System Parameters Verification/AdjustmentFull System Power Up SETUP, ADJUSTMENTS, and Operation User InterfaceAlarm Output Relays External Alarm InputsSnmp Interface Parameter Locations, Descriptions, and Default Values Status AlarmsSystem SET-ALM Setup PIN DateOUT-RLY RLY-MAP AliasDiag Modules Rect SET-ALMParam InfoCirbkr SET-ALM Fuse SET-ALMBatt SET-ALM Alias Fuse LVD SET-ALMComp PIN OEM MX28B-1200+27V Product Manual RevParameter Description Display Screens Default Settings Conv LV Alm OFF 40.0 CBatt Disc Alm m+ Conv Fail Safem+ Cir Bkr 1 Alm m+ Out-Rly LVD1 LVD2