Instruction/ maintenance manual of the product MX28B-1200 APC
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APC DC Network Solutions Inc. Division 11035 Switzer Avenue Dallas, TX 75238 Part Number PML-0218 800-800-4APC Revision (B) DC POWER PLANT PRODUCT MANUAL MODEL MX28B-1200/2400.
MX28B-1200 PRODUCT MANUAL Revision B ii MX28B-1200/2400.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 iii REVISION HISTORY Revision Date By Description Preliminary 05/19/2000 SCG Preliminary release. A 06/30/2000 SCG Various corrections and ty pos. B 01-16-01 JNF Replaced Advance with APC. Changed 1-800 number.
MX28B-1200 PRODUCT MANUAL Revision B iv MX28B-1200/2400 TABLE OF CONTENTS 1. GENERAL INFORMATION ......................................................................................................... .................. 1 1.1 I NTRODUCTION .........
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 v 5.8.2 Installati on of Circuit Breakers and Fuses ............................................................................... .......... 26 5.8.2.1 Plug -in Circuit Bre akers .................
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Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 1 1. GENERAL INFORMATION 1.1 Introduction DC Power Plants from APC hav e unique features that make them easy to install, maintain, and upgrade. The rectif ier units are modular and truly “ hot-pluggable” into the shelf assembly without any separate ac wiring.
MX28B-1200 PRODUCT MANUAL Revision B 2 MX28B-1200/2400 2) File a damag e 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 sy stem and equipment receiv ed from APC and check f or concealed damage.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 3 2. CUSTOMER SERVICE AND SUPPORT APC manufactures a line power plants and prov ides customers with complete product and sy stems support and service. APC has an international network of f actory trained serv ice technicians.
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Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 5 3. WARRANTY PROVISIONS 3.1 General Provisions APC warrants the power equipment and components it manufactures or sells ag ainst defective materials and workmanship for a period of TWO (2) YEARS f rom the date of shipment.
MX28B-1200 PRODUCT MANUAL Revision B 6 MX28B-1200/2400 5. APC shall not be liable to the user (purchaser) or any third party f or indirect, incidental, or consequential damages s uch as, but not limit.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 7 4. PRODUCT OVERVIEW AND TECHNICAL DESCRIPTION 4.1 Description The APC Models M X28B-1200/2400 represents a f amily of stand-alone -48V dc power plants.
MX28B-1200 PRODUCT MANUAL Revision B 8 MX28B-1200/2400 Figure 4-2 MX28B-1200 System Diagram.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 9 4.2 Power Output Capacity A single pow er box frame consis ts of six rectif ier shelves, each shelf accommodating up to four hot-plug, 50 amp rectif iers. A completely conf igured power f rame with 24 rectifiers is rated at 1200 amps.
MX28B-1200 PRODUCT MANUAL Revision B 10 MX28B-1200/2400 4.5 AC Input Powe r Each rectifier requires 208/220/240V ac, sing le- phase, 50/60 Hz, supplied through an external 20- amp two-pole breaker. A vertical wire channel at the rear of the box f rame provides terminal strips for ac input power connection of each shelf.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 11 distribution section with the front cov er removed. Alternate circuit breaker config urations are available in order f or the power f rames to provide support for larg er individual load connections.
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Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 13 5. INSTALLATION PROCEDURES 5.1 Preparation 5.1.1 Recommended Tools • = Standard selection of insulated hand tools. • = Proper tools f or crimping the selected cable lug s. 5.1.2 Recommended Test Equipm ent • = Digital M ultimeter 5.
MX28B-1200 PRODUCT MANUAL Revision B 14 MX28B-1200/2400 5.1.5 Room/Locations NOTE: The APC Model MX28B dc power plant is to be installed in a room, vault, or similar en closure that is acces sible only to q ualified persons in accordance with the NEC or the authority having jurisdiction.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 15 5.1.7 Ventilation The rectifiers hav e fans that provide f ront to rear airflow for internal cooling . The MX28B housing should mounted such that there is f ree airflow to the front and top of the unit.
MX28B-1200 PRODUCT MANUAL Revision B 16 MX28B-1200/2400 conduit must also be considered in accordance w ith NEC requirements. It is s ugg ested that feeds f or four rectif iers (8 wires) and one saf ety g round wire be run in a one-inch conduit; however, be sure to f ollow any local electrical wiring codes.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 17 5.3 Battery Connections 5.3.1 Battery Disconnect An external circuit breaker (not supplied) is required in the negativ e line (located at the battery end) to protect the cables from the battery to the MX28B dc power plant.
MX28B-1200 PRODUCT MANUAL Revision B 18 MX28B-1200/2400 5.5 Rectifier Installation The APC Model MRF28H54BV rectif iers are shipped in separate containers. Follow the procedure below to install a rectif ier. 1) Remove the rectifier f rom its shipping container.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 19 5.6.2 Control Wiring Cables for controlling and monitoring the rectif iers and circuit breakers/fus es must be run from expansion frames to the control unit in the base frame.
MX28B-1200 PRODUCT MANUAL Revision B 20 MX28B-1200/2400 CONTROL UNIT BASE POWER BAY FUSE BAY EXTENSION POWER BAY DC/DC CONVERTER DC/DC CONVERTER FUSE SENSE PCB ALARM EX T EN SI ON P CB AW A -0967 AW A.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 21 Figure 5-7 Multi-Bay Wiring Diagram.
MX28B-1200 PRODUCT MANUAL Revision B 22 MX28B-1200/2400.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 23 5.7 Alarm Connections The alarm connections for all rectif iers, breakers, and f uses are f actory pre-w ired. The MX28B dc power plant, howev er, permits the user to program the sy stem alarms in various way s.
MX28B-1200 PRODUCT MANUAL Revision B 24 MX28B-1200/2400 5.7.1 Exter nal Alarm Inputs Four external alarm inputs with assig nable 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 C (see Table 5-1).
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 25 ALARM OUTPUT TERMINAL DESIGNATION NO-NC-C USER ALARM NOTES RELAY #1 RELAY #2 RELAY #3 RELAY #4 RELAY #5 RELAY #6 MINOR MAJOR J1 NO1-NC1-C1 NO2-N.
MX28B-1200 PRODUCT MANUAL Revision B 26 MX28B-1200/2400 Fus e holders that accommodate telecom fuses are located in a separate fuse power dis tribution box frame. The f use holders are designed to hold Bussmann® (or equivalent) TPL -series fuses in sizes of 70 amps to 600 amps.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 27 Figure 5-9 Plug-in C ircuit Breaker I nsertion 5.8.2.2 Circuit Breaker Load Connections Connections for the -48V dc loads are located directly to the side of the corresponding breaker.
MX28B-1200 PRODUCT MANUAL Revision B 28 MX28B-1200/2400 5.9 Battery Temperature Probe Installation The optional temperature probe is used to monitor the battery string temperature. To get the most representativ e temperature measurement, the probe should be placed in contact with a battery cell that is centrally located.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 29 MX28B-1200 + S TATUS ALARMS SYSTEM MODULES BATT PIN OEM Figure 5-11 Control Unit Display 5.10.2 System Parameters Verification/Adjustment The MX28B sy stem control unit is deliv ered with pre-prog rammed parameter default settings .
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Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 31 Arrow Keys move Display Window across main menu items and down into additional menu selections 6.
MX28B-1200 PRODUCT MANUAL Revision B 32 MX28B-1200/2400 permits modification of some parameters; no security is required f or viewing status items. The security level password is entered through the “ PIN” screen.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 33 1) Use the right or lef t arrow keys to position the cy cling cursor below “SYSTEM”. 2) Press the down arrow key once. 3) Use the right arrow key to position the cy cling cursor below “I N-RLY”.
MX28B-1200 PRODUCT MANUAL Revision B 34 MX28B-1200/2400 Figure 6-2. Cont rol Unit Menu S tructure MX28B-1200 + STATUS Sys Voltage Sys Current Sys Temp Batt Current Batt Temp ALARMS Alarm Item 1 Alarm .
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 35 (Figure 6-2. Cont rol Unit Menu S tructure) Address 2 Address 3 Model Fahrenheit Cntrl Rev FW Version Display Type DATE Date Time OUT-RLY RLY-MA.
MX28B-1200 PRODUCT MANUAL Revision B 36 MX28B-1200/2400 (Figure 6-2. Cont rol Unit Menu S tructure) Test Relay En Test Relay 1 Test Relay 2 Test Relay 3 Test Relay 4 Test Relay 5 Test Relay 6 Test Min.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 37 (Figure 6-2. Cont rol Unit Menu S tructure) Cir Bkr 7 Cir Bkr 8 • • • • • • • • • • • • Cir Bkr 70 Cir Bkr 71 Cir Bkr 72.
MX28B-1200 PRODUCT MANUAL Revision B 38 MX28B-1200/2400 (Figure 6-2. Cont rol Unit Menu S tructure) LVD SET-ALM LVD1 Option LVD1 Open Alm LVD2 Option LVD2 Open Alm PARAM LVD1 Trip LVD1 Reset LVD2 Trip.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 39 Table 6-1. Parameter Locations , Descriptions , and Default Values PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS SYSTEM SETUP Password Entry P I N E n t r y [PIN] Screen f or ent ry of the a ct ive pas swor d (P IN).
MX28B-1200 PRODUCT MANUAL Revision B 40 MX28B-1200/2400 (Table 6.1 Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS D i s p l a y T y p e [SYSTEM/SETUP] Type number for the c ontrol unit di sp lay.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 41 (Table 6-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS System Low Temperat ure {1 } [SYSTEM/SET-ALM] The contro l unit tem peratu re is below the lo w tem perature thres hold.
MX28B-1200 PRODUCT MANUAL Revision B 42 MX28B-1200/2400 (Table 6-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Test Relay 1 {1} [SYSTEM/DIAG] Settin g this param ete r to “ON” ene rgizes R elay 1 and tu rns on the “ ALM1” LED on the c ontrol unit front pa nel.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 43 (Table 6-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Battery Alarms Disch.
MX28B-1200 PRODUCT MANUAL Revision B 44 MX28B-1200/2400 (Table 6-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Standby Alarm {1} [MODULES/RECT/SET-ALM] This alarm indi cates that the contro l unit is h oldin g a rectifier in the s ta ndby mode.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 45 (Table 6-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS FUSE Fuse Al arms Fuse 1 B lown {1 } [MODULES/FUSE/SET-ALM] An alarm that ind icates Fu se 1 is blow n.
MX28B-1200 PRODUCT MANUAL Revision B 46 MX28B-1200/2400 (Table 6-1. Parameter Locations, Descriptions, and Default Values) PARAMETER DESCRIPTION DISPLAY SCREENS / DEFAULT SETTINGS Outpu t Relay Major Alias {1} [SYSTEM/OUT-RLY/ALIAS] An alte rnate n ame (alias) can be assign ed to the re lay if desir ed.
Revision B MX28B-1200 PRODUCT MANUAL MX28B-1200/2400 47.
MX28B-1200 PRODUCT MANUAL Revision B 48 MX28B-1200/2400.
An important point after buying a device APC MX28B-1200 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought APC MX28B-1200 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data APC MX28B-1200 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, APC MX28B-1200 you will learn all the available features of the product, as well as information on its operation. The information that you get APC MX28B-1200 will certainly help you make a decision on the purchase.
If you already are a holder of APC MX28B-1200, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime APC MX28B-1200.
However, one of the most important roles played by the user manual is to help in solving problems with APC MX28B-1200. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device APC MX28B-1200 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
