Page 2 - REVISION HISTORY; Revision Date By; JNF
REVISION HISTORY Revision Date By Description 07/10/01 JNF Initial release. 10/30/02 BET Changed breaker numbering
Page 3 - AC I; INSTALLATION PROCEDURES; AC S; DC SYSTEM GROUNDING
TABLE OF CONTENTS 1. GENERAL INFORMATION ................................................................................................1 1.1 I NTRODUCTION .............................................................................................................................................1 ...
Page 5 - GENERAL INFORMATION; before beginning actual installation of the power system.; upon taking delivery while the; STILL ON SITE; . Please be sure that all items are accounted for,
MX28B600 - 1 - 1. GENERAL INFORMATION 1.1 Introduction DC Power Plants from APC DC Network Solutions Inc. (hereafter in this document “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 w...
Page 7 - CUSTOMER SERVICE AND SUPPORT; If there is a problem with the power system, contact APC DCNS at
MX28B600 - 3 - 2. CUSTOMER SERVICE AND SUPPORT APC manufactures standby power plants and systems, 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,...
Page 8 - WARRANTY PROVISIONS; General Provisions; expressed written consent from APC.
MX28B600 - 4 - 3. WARRANTY PROVISIONS 3.1 General Provisions APC DC Network Solutions Inc. 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 physi...
Page 10 - PRODUCT OVERVIEW AND TECHNICAL DESCRIPTION
MX28B600 - 6 - 4. PRODUCT OVERVIEW AND TECHNICAL DESCRIPTION 4.1 Description The MX28B600 is a modular stand-alone -48V DC power plant with a microprocessor-based control unit. It is configurable in such a manner that it will support most typical applications within the specified current range of 60...
Page 12 - Power Output Capacity
MX28B600-48V 8 4.2 Power Output Capacity 600 amps maximum, or 550 amps with N+1 redundancy. The housing provides space for three rectifier shelves that can hold up to four rectifiers each, a control unit, and two tiers of up to 43 distribution circuit breakers. 4.3 Rectifiers The rectifiers are APC ...
Page 16 - INSTALLATION PROCEDURES; Standard selection of insulated hand tools.; currents that can cause serious burns or other physical harm.
MX28B600-48V 12 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 materia...
Page 17 - AC Service and Ground Connections; Battery Connections
MX28B600-48V 13 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 power plant, careful attention should be paid to battery cabl...
Page 18 - ) Remove the rectifier from its shipping container.; Alarm Connections
MX28B600-48V 14 5.3.1 Cable Sizing Considerations The battery cable(s) should be sized sufficiently large to limit the voltage drop from the MX28B600 DC power plant to the battery during charging in accordance with system design requirements. The cable(s) must also carry the full load current during...
Page 19 - Figure 5.6 Interface Board; OPEN
MX28B600-48V 15 Figure 5.6 Interface Board 5.6.1 External Alarm Inputs Four external alarm inputs with assignable priority levels are available. These alarm inputs respond to external dry contact closures between normally open (NO) and common (C) or contact openings between normally closed (NC) and ...
Page 20 - Connecting The Loads
MX28B600-48V 16 5.6.2 Alarm Outputs There are eight alarms available that provide outputs via Form “C” relay contacts. The last two of these are pre-assigned as the Minor and Major alarm outputs. The Major relay is energized (NO-C contacts closed) during normal (non-alarm) operating conditions; all ...
Page 21 - -3: adapter has 1⁄4” studs on 1” centers for two-hole cable lug
MX28B600-48V 17 BREAKER RATING PART NUMBER BREAKER RATING PART NUMBER 1 A FFA-0014 40 A FFA-0020 3 A FFA-0015 50 A FFA-0025 5 A FFA-0016 60 A FFA-0021-X * 10 A FFA-0017 70 A FFA-0022-X * 15 A FFA-0028 80 A FFA-0023-X * 20 A FFA-0018 100 A FFA-0024-X * 30 A FFA-0019 * -1: adapter has #10 studs on 5/8...
Page 22 - but not when it is turned OFF.; ) Reattach the circuit breaker cover panel.
MX28B600-48V 18 5.7.2 Installation of Circuit Breakers and Fuses 5.7.2.1 Plug-in Circuit Breakers 1) Remove the circuit breaker cover panel and the plastic cover(s)/insert(s) from the desired location(s). 2) Install the circuit breaker(s) by snapping the top terminal onto the upper bus bar and rotat...
Page 23 - The return buses provide a total of 40 sets of threaded #10-32; GMT Fuses; ) Plug the connector end of the temperature; OFF
MX28B600-48V 19 J5 a 50 A. circuit breaker located in circuit breaker Position 1. The interface card provides fuseholders for eight fuses, labeled “F1” through “F8”, which can be used for small -48V DC loads. The maximum fuse size that should be used is 10A. 5.7.3 Load Connections 5.7.3.1 Circuit Br...
Page 24 - Battery Float Voltage; recommendation for the batteries being used in the system.); Battery Maximum Recharge Rate; - Check the rectifier information displays to verify that all
MX28B600-48V 20 5.9.1 Apply AC Power Turn on the circuit breakers that supply AC power to the rectifiers in the MX28B600 DC power plant. The main screen should appear on the control unit display (see Figure 5.9-1). The display on the control unit is a 2-lines by 16-characters display. The cursor cyc...
Page 25 - ) Load circuit breakers may now be turned on as required.
MX28B600-48V 21 3) Turn on all the circuit breakers that supply AC power to the rectifiers in the MX28B600 DC power plant. 4) Load circuit breakers may now be turned on as required.
Page 26 - identified by the cursor cycling beneath its characters.; password reverts to; APC
MX28B600-48V 22 6. SETUP, ADJUSTMENTS, AND OPERATION 6.1 User Interface The MX28B600 control unit provides a user interface designed with a hierarchical menu that can be viewed on the 32-character display by “navigating” with the “ Õ ” (left), “ Ö ” (right), “ × ” (up), and “ Ø ” (down) arrow keys l...
Page 32 - Major
MX28B600-48V 28 ( Table 6.5-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Standby Alarm {1} [MODULES/RECT/SET-ALM] This alarm indicates that the control unit is holding a rectifier in the standby mode. Rect Stdby Almm+ n of N Fan F...
Page 33 - Ignore
MX28B600-48V 29 ( Table 6.5-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS FUSE Fuse Alarms Fuse 1 Blown {1} [MODULES/FUSE/SET-ALM] An alarm that indicates Fuse 1 is blown. FUSE 1 Alm m+ Major • • • • • • • • • Fuse 16 Blown {1} [MO...