SEI DC-UPS 24Vdc Series Installation And Operation Manual Download Page 1 | Manualshive

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Installation and Operations Manual

SEI DC-UPS

24VDC

  SEI Incorporated
  5115 Pegasus Court, Suite Q
  Frederick, MD 21704
  Phone    301-694-9601
  Fax        301-694-9608
  Email

[email protected]

Web

http://www.seipower.com

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Summary of Contents for DC-UPS 24Vdc Series

Page 1: ...Installation and Operations Manual SEI DC UPS 24VDC SEI Incorporated 5115 Pegasus Court Suite Q Frederick MD 21704 Phone 301 694 9601 Fax 301 694 9608 Email Info seipower com Web http www seipower com ...

Page 2: ...ntents 1 Description 2 Technical Specifications 3 Environmental Specifications 3 Safety Information 4 Installation Instructions 5 Startup and Checkout 7 Theory of Operation 8 Remote Alarm Option 10 Power Management Package Option 10 ...

Page 3: ...rm Contacts Board is available Output power distribution is provided via a pair of fused 10 32 binding posts The SEI 125 25 P contains a single output port The SEI 300 24 P contains two individually fused output ports Customer specified output modules are available The DC UPS comes equipped with field replaceable non spillable sealed lead acid battery packs Circuitry within the DC UPS monitors and...

Page 4: ...tlefuse 142 6185 5152 or Equivalent Mechanical Dimensions Width 10 00 Inches Depth 5 00 Inches Height 10 00 Inches Weight 32 lbs Battery Capacity 18Ahr Fuse 3AG 15A Littlefuse 0326015 or Equivalent SEI 125 Electrical Specifications Input Voltage 100 264 VAC Frequency 50 60 Hz Current 1 5 Amps Typical 115 Vac input 125 W output 5 0 Amps Max Output Voltage 21 0 27 6 Vdc Current 6 0 amps Max Surge Cu...

Page 5: ...4 Mechanical Dimensions Width 19 00 Inches Depth 5 00 Inches Height 7 00 Inches Weight 23 lbs Battery Capacity 5Ahr Fuse 3AG 6A Littlefuse 0326006 or Equivalent ...

Page 6: ...o the job can perform the job safely Always lift all equipment properly Always disconnect commercial power and remove the battery fuse before working on the unit Always replace the batteries with batteries of the same type and style DO NOT work on this equipment during an electrical storm DO NOT work in locations where there is condensing moisture or standing water Service to the DC UPS should be ...

Page 7: ...ge If damaged request that the carrier inspect the shipment Unpack the inner container from the shipping container and remove the unit from the packaging Inspect the unit for visible damage If a claim for damages is to be made it should be filed promptly with the transportation company In addition notify SEI within two days of delivery SEI will advise the customer of any further procedures that ma...

Page 8: ...ed to the backboard using number ten wood screws A number 27 drill can be used to provide a pilot hole for the screws All of the screws should be tightened with a torque of 30 in lb minimum and 34 in lb maximum The unit should be mounted vertically in a clean dry area where the ambient temperature does not exceed 40 C 104 F It is important that ventilation for the unit be provided Leave adequate s...

Page 9: ...ttery Charge Status LED and a solid green Battery Test Status LED 5 About 5 seconds after AC power is applied the outport will be turned on Verify that the connected equipment is receiving power 6 Unplug the AC power cord Verify that the Battery Charge Status LED is red If there is no load on the DC UPS this may take several seconds Verify that the connected equipment is still receiving power The ...

Page 10: ...erts AC input power to regulated DC output power The SEI 125 has a 150W rectifier The SEI 300 has a 320W rectifier System Controller LVD The System Controller has the following functions Distribution of the DC power Battery charge voltage and current control and monitoring Battery Low Voltage Disconnect Function LVD Battery charge and test status indicators Automatic and manual battery test Local ...

Page 11: ...ction The low voltage disconnect function will disconnect the battery when the battery voltage drops below a 21 Vdc This is done to prevent deep discharge of the batteries which can adversely affect battery life Both internal and external batteries are disconnected External Connectors AC power is connected via a standard IEC connector located on the left side wall The mating connector should be an...

Page 12: ...est Fail condition Both normally open and normally closed contacts are provided to suit the user s external monitoring circuitry The alarm contacts have a 2 Amp rating The NO and NC contacts will change state when an alarm condition occurs The alarm contacts are accessible via an RJ45 connector on the side panel of the DC UPS The Alarm Contact connector pinouts are shown the table below ...

Page 13: ...REPAIR AND MAINTENANCE The SEI DC UPS is engineered to operate unattended and with low maintenance overhead for extended periods of time Although the electronics within the DC UPS require no routine maintenance the battery pack will have to be replaced periodically When the unit indicates a Battery Test Failure via the front panel LED and the Alarm Contact Closure the battery pack should be replac...

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