Related Manuals for SEI SEI-300/24-P
Summary of Contents for SEI SEI-300/24-P
- Page 1 Installation and Operations Manual SEI DC-UPS 24VDC SEI Incorporated 5115 Pegasus Court, Suite Q Frederick, MD 21704 Phone 301-694-9601 301-694-9608 Email Info@seipower.com http://www.seipower.com...
-
Page 2: Table Of Contents
TABLE OF CONTENTS Table of Contents ....................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 .............. -
Page 3: Description
Commercial power is applied to the left side of the unit. The SEI DC-UPS can be mounted on a wall or on a 19-inch rack. Optionally, SNMP communications via the Power Management Package is available. Also, an optional Alarm Contacts Board is available. -
Page 4: Technical Specifications
TECHNICAL SPECIFICATIONS SEI-300/24-P Electrical Specifications Input Voltage 100-264 VAC Frequency 50-60 Hz Current 3.3 Amps Typical (115 Vac input, 300 W output) 5.0 Amps Max Output Voltage 21.0-27.6 Vdc Current 14.3 amps Max Surge Current Batteries Installed 30 amps for 200ms, once every 15 seconds... - Page 5 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: Environmental Specifications
Storage -20 C to 50 C Humidity 0-95% non-condensing Thermal Load SEI-125 70 BTU/hr max SEI-300 140 BTU/hr max SAFETY INFORMATION Always ensure that the person assigned to the job can perform the job safely. Always lift all equipment properly. -
Page 7: Installation Instructions
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 may be required, including an RMA number in the event that the unit has to be returned to the factory for repair. - Page 8 The SEI DC-UPS weighs between 20 and 32 lbs, depending upon the model. The SEI DC-UPS is designed to mount to a rack or wall without further requirements for additional mounting kits. For wall mounting, a user-supplied 3/4- inch plywood backboard or equivalent is required.
-
Page 9: Startup And Checkout
START UP AND CHECKOUT Wiring Instructions 1. Connect customer equipment to the 10/32 binding posts on the right side of the unit. 2. Install the provided automotive style ATO fuse into the output port fuse holder. 3. Attach the plastic terminal cover to the 4 standoffs using the provided hardware. 4. -
Page 10: Theory Of Operation
Functional Block Diagram DC-UPS Figure 1 Rectifier The rectifier converts 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: ... - Page 11 Output Power Distribution o Each port contains two 10-32 terminal posts suitable for ring lug connection. The 24VRTN connection of each port is fused. The SEI 125/24-P contains a single port. The SEI 300/24-P contains two ports. o Fuses: ...
-
Page 12: Remote Alarm Option
Remote Alarm Option The DC-UPS Alarm Contact Closures Option provides relay contacts to remotely monitor the status of the unit. These alarms will indicate either AC Fail or a Battery Test Fail condition. Both normally open and normally closed contacts are provided to suit the user’s external monitoring circuitry. - Page 13 Operating Normally Power Management Package SEI’s Power Management Package (PMP) for the SEI DC-UPS provides a variety of functions necessary to monitor and control output power to DC powered devices, as well as maximize the efficiency and reliability of the power systems and battery backup.
Need help?
Do you have a question about the SEI-300/24-P and is the answer not in the manual?
Questions and answers