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DC POWER PLANT
PRODUCT MANUAL
MODEL MX28B-1200/2400
APC DC Network Solutions Inc. Division
11035 Switzer Avenue
Dallas, TX 75238 Part Number PML-0218
800-800-4APC Revision (B)
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MX28B-1200 PRODUCT MANUAL Revision B ii MX28B-1200/2400
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Revision B MX28B-1200 PRODUCT MANUAL REVISION HISTORY Revision Date By Description Preliminary 05/19/2000 SCG Preliminary release. A 06/30/2000 SCG Various corrections and typos. B 01-16-01 JNF Replaced Advance with APC. Changed 1-800 number. Added ESD caution MX28B-1200/2400 iii
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MX28B-1200 PRODUCT MANUAL Revision B TABLE OF CONTENTS 1. GENERAL INFORMATION........................................................................................................................... 1 1.1 INTRODUCTION................................................................................................................................................ 1 1.2 PRECAUTIONS.................................................................................................................
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Revision B MX28B-1200 PRODUCT MANUAL 5.8.2 Installation of Circuit Breakers and Fuses ......................................................................................... 26 5.8.2.1 Plug-in Circuit Breakers ..................................................................................................................................26 5.8.2.2 Circuit Breaker Load Connections..............................................................................................................
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Revision B MX28B-1200 PRODUCT MANUAL 1. GENERAL INFORMATION 1.1 Introduction DC Power Plants from APC have unique features that make them easy to install, maintain, and upgrade. The rectifier units are modular and truly “hot-pluggable” into the shelf assembly without any separate ac wiring. All system settings are made from the system control unit that provides monitoring and control functions for each component of the system as well as alarm listings for system diagnosis and maintena
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MX28B-1200 PRODUCT MANUAL Revision B 2) File a damage or shortage report with the carrier that delivered the shipment. 1.3.3 Concealed Damage It is the customer’s responsibility to unpack the power system and equipment received from APC and check for concealed damage. Within 15 days of receipt, check the materials received against the detailed packing list to verify that the quantity and condition are complete and satisfactory. Again, note any damage to the internal packing material an
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Revision B MX28B-1200 PRODUCT MANUAL 2. CUSTOMER SERVICE AND SUPPORT APC manufactures a line power plants and provides customers with complete product and systems support and service. APC has an international network of factory trained service technicians. The service organization is on call 24 hours a day, 365 days a year. If there is a problem with the power system, contact APC at (800) 800-4APC Units returned for repair can be turned around within 24 to 48 hours of receipt at the
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Revision B MX28B-1200 PRODUCT MANUAL 3. WARRANTY PROVISIONS 3.1 General Provisions APC warrants the power equipment and components it manufactures or sells against defective materials and workmanship for a period of TWO (2) YEARS from the date of shipment. 3.1.1 Warranty Returns If initial physical inspection results in identification of a material or workmanship flaw(s) that could impair product performance as defined by APC’s electrical and physical specification in effect at the tim
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MX28B-1200 PRODUCT MANUAL Revision B 5. APC shall not be liable to the user (purchaser) or any third party for indirect, incidental, or consequential damages such as, but not limited to, loss of use, loss of profits, costs associated with removal/installation of a defective product(s) or component(s) arising out of the sale or relating to the use of this product, and the user (purchaser) assumes responsibility for all personal injury and property damage resulting from the handling, posses
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Revision B MX28B-1200 PRODUCT MANUAL 4. PRODUCT OVERVIEW AND TECHNICAL DESCRIPTION 4.1 Description The APC Models MX28B-1200/2400 represents a family of stand-alone -48V dc power plants. Through the use of modular power and distribution box frames, a system is configurable in such a manner that it will support most typical applications within the specified current range of up to 3600 amps without special application engineering or assistance. The system is designed to start as a base
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MX28B-1200 PRODUCT MANUAL Revision B Figure 4-2 MX28B-1200 System Diagram 8 MX28B-1200/2400
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Revision B MX28B-1200 PRODUCT MANUAL 4.2 Power Output Capacity A single power box frame consists of six rectifier shelves, each shelf accommodating up to four hot-plug, 50 amp rectifiers. A completely configured power frame with 24 rectifiers is rated at 1200 amps. Each additional power frame will add up to 1200 amps for a maximum total of 2400 amps using 48 rectifiers. A single master control unit in the first power frame provides control and monitoring for the entire system. 4.3 R
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MX28B-1200 PRODUCT MANUAL Revision B 4.5 AC Input Power Each rectifier requires 208/220/240V ac, single- phase, 50/60 Hz, supplied through an external 20- amp two-pole breaker. A vertical wire channel at the rear of the box frame provides terminal strips for ac input power connection of each shelf. Separate “Earth Ground” terminal bars are provided for the connection of the safety ground + wires. A power entry box is provided at the top and rear of the box frame where AC wiring - c
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Revision B MX28B-1200 PRODUCT MANUAL distribution section with the front cover removed. Alternate circuit breaker configurations are available in order for the power frames to provide support for larger individual load connections. Six circuit breakers in the 100 amp to 400 amp range or four circuit breakers in the 225 to 700 amp range in a panel-mount arrangement can be specified instead of the distribution module with 48 plug-in breakers. Optional power distribution box frames can be
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Revision B MX28B-1200 PRODUCT MANUAL 5. INSTALLATION PROCEDURES 5.1 Preparation 5.1.1 Recommended Tools •= Standard selection of insulated hand tools. •= Proper tools for crimping the selected cable lugs. 5.1.2 Recommended Test Equipment •= Digital Multimeter 5.1.3 Equipment Inspection Remove equipment from packing material and inspect for shipping damage to verify the safety and operational suitability for the installation site. [Refer to Section 1.3] 5.1.4 Safety Precautions ***
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MX28B-1200 PRODUCT MANUAL Revision B 5.1.5 Room/Locations NOTE: The APC Model MX28B dc power plant is to be installed in a room, vault, or similar enclosure that is accessible only to qualified persons in accordance with the NEC or the authority having jurisdiction. Prior to installation, drawings, floor loading requirements, external alarm points, ac service entrance, and grounding schemes should all be checked and confirmed. If batteries are to be mounted in a room separate from the
