Alpha Technologies ELPM300-48D Specifications

ELPM300-48D, DC UPS Power SupplyInstallation and Operation ManualEffective: July 2009Alpha Technologies®ELPM 300-48D

10 010-322-C0-003, Rev CIncluded with the unit are:Mounting Brackets; see Section 1.2.RTS (the Remote Temperature Sensor gets its backup power from a

11010-322-C0-003, Rev C 1.0 Installation, continued 1.2 FlexNet Installation Use #6 screws and attach mounting brackets to side of unit. Use #10 scr

12 010-322-C0-003, Rev C1.0 Installation, continued 1.3 Battery and Remote Temperature Sensor Probe Installation The diagram below is for illustrat

13010-322-C0-003, Rev C 1.0 Installation, continued 1.4 Output Connector The output connection is located on the front panel of the unit. Plug the 4

14 010-322-C0-003, Rev CIn order to correctly receive the alarm signals, it is recommended to put a pull-up resistor between the receive circuit’s log

15010-322-C0-003, Rev C1.0 Installation, continued 1.6 Status LEDs The status LEDs are located on the front panel of the unit. Normal operation is i

16 010-322-C0-003, Rev C1.0 Installation, continued 1.9 Output Distribution Board (optional)The Output Distribution Board (Alpha P/N 745-577-20) spl

17010-322-C0-003, Rev C2.0 Specications2.1 ELPM300-48D DC Power SupplyMechanicalHousing Sheet metal enclosureMounting Wall mounting brackets includ

18 010-322-C0-003, Rev C2.0 Specications,continued2.1 ELPM300-48D DC Power Supply, continuedElectrical — Battery BusVoltage 48Vdc nominalRecharge

19010-322-C0-003, Rev CElectrical — GeneralEfciency > 90%Grounding Positive or negative terminal (user preference)Startup Time < 20sElectrical

PowerAlpha Technologies®

20 010-322-C0-003, Rev C2.3 FlexNet Installation Kit and OptionsThe following items are part of the FlexNet installation package and options for the

Due to continuing product improvements, Alpha reserves the right to change specications without notice. Copyright © 2009 Alpha Technologies, Inc. All

3010-322-C0-003, Rev CFlexNet ELPM 300-48DInstallation and Operation Manual010-322-C0-003, Rev C. Effective Date: July 2009Copyright© 2009Alpha Techno

4 010-322-C0-003, Rev CTable of ContentsSafety Information ...

5010-322-C0-003, Rev CReview the drawings and illustrations contained in this manual before proceeding. If there are any questions regarding the safe

6 010-322-C0-003, Rev CGeneral Safety PrecautionsTo avoid injury:• This enclosure and its associated hardware must be serviced only by authorized per

7010-322-C0-003, Rev CBattery SafetyChemical HazardsAny gelled or liquid emissions from a valve-regulated lead-acid (VRLA) battery contain dilute sulf

8 010-322-C0-003, Rev CBattery Maintenance GuidelinesThe battery maintenance instructions listed below are for reference only. Battery manufacturer’s

9010-322-C0-003, Rev CGrounding ConnectionIn order to provide a ready, reliable source of backup power it is necessary to establish a grounding system