American Power Conversion MX28B-PDF User's Manual
Contents
1. Knock outs A VOLTAGE BUS BAR pS PA a Oy A ALARM TERMINATION BOARD y aN za BREAKER TERMINATION POST ra a m ae 7 gt 4 So gt CIRCUIT BREAKER BREAKER TIER Figure 3 3 Installation of Circuit Breakers 3 5 LOAD CONNECTIONS Connection for 48VDC loads are made from standard size 10 32 two hole lugs on 5 8 centers located directly next to the corresponding circuit breaker The load returns connect to the 48VDC load return bus located behind each row of circuit breakers The load return bus provides threaded holes for terminating 2 hole lugs The return bus has provisions for 25 10 32 lugs on 5 8 centers and 10 14 20 lugs on 1 centers all pairs can not be used simultaneously Each DC load run should be bundled with its return for as much of the run length as possible Figure 3 4 Figure 3 4 load connections APC 13 4 5 14 MX28B PDF Product Manual Revision A CUSTOMER SERVICE AND SUPPORT APC DC Network Solutions Inc manufactures the MX28B line of Power Plants and provides customers with complete product and systems support and service APC DC Network Solutions Inc has a network of factory trained service technicians The service organization is on call 24 hours a day 365 days a year If you experience a problem with your APC power system that requires our attention contact APC DC Network Solutions Inc at 800 800 4APC Units returned for repair can be t2. Arc Legendary Reliability PRODUCT MANUAL MX28B PDF POWER DISTRIBUTION FRAME APC DC Network Solutions Inc 11035 Switzer Avenue Dallas TX 75238 800 800 4APC PART NUMBER 990 9132 MX28B PDF Product Manual Revision A REVISION HISTORY Revision Date By Description A 26 Jan 2001 JNF Initial release APC Revision A MX28B PDF Product Manual TABLE OF CONTENTS 1 GENERAL INFORMATION 00 0 cccccecccceeeeceeece cee eeceeaeeeeeeecaeeecaaeescaeeseeeeesaaesssaaeseeeeeeeeeesaaeeseneees 4 Mol INtrOAUCTION asiana aaa deleted eden eed de aed beeen ede a ee eed ee ane 4 1 2 PreCautlOns ondi a snd AAE EAT EEE 4 1 3 Inspection Upon Receipt Of GoodS ecccccceeeeceeceeeeeceaeeeeeeeceeeeecaeeeeaaeeseaeeseaeeesaeeeseeeeeeeeeaas 4 1 321 General aia ntanna e e a a eg a eee 4 1 32 Visible External Damage ooooccccinnccccnnnocccnnnnonccnnnnnnncnnn non cnn nnnnn cnn nn nn 4 1 33 Concealed Damages ieena naar 5 1 3 4 Return of Damaged Goods coocccccccconocononoccconcccnoncnnnonnnnnn cnn cc narran rra 5 2 SYSTEM OVERVIEW AND TECHNICAL DESCRIPTION oooocococcccccccccococononononcccconccnnnoncnanc cnn 6 2 1 General System Overview oocoocccinnnccnnccccocccnncnnnnnn cnc cnn 6 2 2 General System SpecificatiONS ooonnnnicinnin nnnnnnnnnnncccnnnrcnnncrnn nr rn 6 2 21 gt Input 48 VDO BUS cocida a ea id tada its 7 2 2 2 Circuit Breaker TielS oonnccnnnnninnnnnnnncccoccc
3. circuit breakers The PDF consists of a rack with three power distribution cabinets Each cabinet can hold up to 48 circuit breakers on two separate tiers for a total of 144 breakers 2 2 SYSTEM SPECIFICATIONS The system is available in six configurations Part Number Tier Locations Breakers Feeds AAB 0583 01 A D 48 2 Separate AAB 0583 02 A B D E 96 4 Separate AAB 0583 03 A B C D E F 144 6 Separate AAB 0583 1 1 A B 48 One AAB 0583 22 A B 8 D E 96 Two AAB 0583 33 A B C 8 D E F 144 Two A D B E C F Figure 2 1 System Configurations 6 APC Revision A MX28B PDF Product Manual APC 2 2 1 Input 48 VDC Bus All six busses can be isolated or tied together with splice plates depending on customer desires Splice Plates Installed Figure 2 2 Bus Bars 2 2 2 Circuit Breaker Tiers Each circuit breaker tier provides positions for mounting 24 plug in circuit breakers Each tier bus is connected to the 48 VDC input bus with each side having an ampacity of 600 amperes 2 2 3 Circuit Breakers The PDF utilizes plug in magnetic circuit breakers to supply loads from the 48 VDC bus Each circuit breaker has auxiliary contacts that close if the breaker trips thus enabling monitoring of fault conditions Circuit breakers are available with ratings from 1 100 amperes see Table 2 1 Plug in circuit breakers rated at 60A or more require two mounting positions They are available i
4. installation of this power system INSPECTION UPON RECEIPT OF GOODS 1 3 1 General Precautions have been taken to pack the equipment properly for shipment to ensure safe arrival However upon receipt please inspect the entire shipment including any boxes or crates for evidence of damage that may have occurred during transit Also confirm that the material received matches the packing slip 1 3 2 Visible External Damage It is the responsibility of the person receiving the shipment IMMEDIATELY upon taking delivery while the carrier representative is still on site to inventory and inspect all materials against the provided bill of lading or weigh bill APC Revision A MX28B PDF Product Manual Please be sure that all items are accounted for including the number of pallets and the quantity of accessory and or component boxes Also note any visible external damage that may have occurred during transit If damage has occurred or the quantity of items is not correct e Make adescriptive notation on the delivery receipt before signing e File a damage report with the carrier that delivered the shipment 1 3 3 Concealed Damage Within 15 days of receipt unpack the power system and equipment received from APC DC Network Solutions Inc and check for concealed damage Check the materials received against the detailed packing list to verify the quantity and condition as complete and satisfactory Again note any damage to the inter
5. is not transferable internationally except with expressed written consent from APC DC Network Solutions Inc headquarters in Dallas Texas 2 APC DC Network Solutions Inc reserves the right to void the warranty if identification marks or serial numbers have been removed or tampered with or defect is determined to have been caused by misuse neglect improper installation environmental condition non authorized repair alteration or accident 3 This warranty does not cover physical damage due to the acts of nature or man which stress the equipment or component s beyond design limits and exert undesirable influence aside from normal wear and tear 4 APC DC Network Solutions Inc assumes no responsibility for any work accomplished or expenses incurred except with expressed written consent from APC DC Network Solutions Inc Dallas TX 5 APC DC Network Solutions Inc shall not be liable to the purchaser user or any other 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 defective product or component s arising out of the sale or relating to the use of this product and the purchaser user assumes responsibility for all personal injury and property damage resulting from the handling possession or use of the product In no event shall the liability of APC DC Network Solutions Inc for any and all claims including claims fo
6. er system these contacts can be monitored by connecting them to the external Alarm Inputs available in the controller Ho Alorm NO connected fo From Alem retry aie Reloy ls Energized upon ony Breaker Trip Figure 2 4 Alarm Relay Circuit MECHANICAL SPECIFICATIONS e Dimensions 84 high x 23 wide x 23 deep e Weight 475 Lbs approximate e Color Dawn Gray ENVIRONMENTAL e Temperature 20 C to 65 C Operating 40 C to 85 C Storage e Humidity 0 to 85 non condensing operating 0 to 95 non condensing storage e Altitude Up to 3000 meters operating Up to 10 000 meters storage APC 9 MX28B PDF Product Manual Revision A 3 INSTALLATION PROCEDURES 3 1 PREPARATION 3 1 1 Recommended Tools Tools required for installation e Standard selection of customary insulated hand tools used by qualified technicians e An appropriate drill to drill holes in the floor to anchor the plant e A crimping device for compressing lugs not already crimped 3 1 2 Recommended Test Equipment Test equipment required for installation e Digital Multimeter 3 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 3 1 4 Safety Precautions WARNING Hazardous energy levels are present on bare conductors in the 48 VDC distribution connection area of the plant Acciden
7. n kit form see kit selection information in Table 2 2 These kits include the breaker and all necessary mounting hardware MX28B PDF Product Manual Revision A BREAKER PART NUMBER BREAKER PART NUMBER RATING RATING 1A FFA 0014 20A FFA 0018 3A FFA 0015 30 A FFA 0019 5A FFA 0016 40 A FFA 0020 10A FFA 0017 50 A FFA 0025 15A FFA 0028 Table2 1 Plug in Circuit Breakers 60A 70A 80A 100A 10 stud 3 FFA 0021 1 FFA 0022 1 FFA 0023 1 FFA 0024 1 5 8 centers ie stud FFA 0021 2 FFA 0022 2 FFA 0023 2 FFA 0024 2 3 4 centers a stud FFA 0021 3 FFA 0022 3 FFA 0023 3 FFA 0024 3 1 centers Table 2 2 Circuit Breaker kits 2 3 Indicators and Alarms 2 3 1 Meters The MX28B PDF power distribution frame has a meter assembly P N OM 9275 located below the top cabinet door for displaying bus voltage and current A six position rotary switch selects which breaker tier is to be monitored Voltmeter accuracy is 0 5 ammeter accuracy is 1 0 Also displayed are power and circuit breaker trip status Figure 2 3 Meter Assembly APC Revision A MX28B PDF Product Manual 2 3 2 Alarm Relay There is an alarm relay K 1 located on the center of the meter panel that energizes if any circuit breaker trips within the PDF Form C contacts from this relay are available via connector J 9 located at the center of the circuit board If the PDF is being powered by an APC MX28B pow
8. nal packing material and or material shortages If damage or shortage is noted e Request an inspection by the carrier e File a concealed damage claim and or e File a material shortage claim with your APC DC Network Solutions Inc Representative DELAY IN NOTIFYING THE CARRIER MAY RESULT IN LOSS OF RIGHT TO REIMBURSEMENT FOR DAMAGES OR LOSS Should you have any questions concerning potential damages or should you experience a lack of cooperation from your carrier call APC DC Network Solutions Inc at 800 800 4APC 1 3 4 Return of Damaged Goods Should equipment be damaged and require return to APC DC Network Solutions Inc for repair the APC DC Network Solutions Inc service representative will provide instructions along with a valid RMA Returned Material Authorization number to facilitate return of the damaged goods to the APC DC Network Solutions Inc repair center It is important that proper steps as outlined in Section 1 3 2 and 1 3 3 above are followed carefully Your APC DC Network Solutions Inc representative will assist you if required in obtaining proper disposition of an initial delivery return issue However a valid RMA number must be obtained before returning any equipment to APC DC Network Solutions Inc APC 5 MX28B PDF Product Manual Revision A 2 SYSTEM OVERVIEW AND TECHNICAL DESCRIPTION 2 1 GENERAL SYSTEM OVERVIEW The Power Distribution Frame PDF provides for distribution of 48 VDC power through
9. nection points for both 1 inch or 1 75 inch on center lugs The 48VDC return bus has connection points at both the top and bottom for 1 inch and 1 75 inch lugs If splice plates are used they also are configured with holes for connection 3 3 DC SYSTEM GROUNDING THE POSITIVE LOAD CONNECTION RETURN BUS FOR THE POWER DISTRIBUTION FRAME MUST BE CONNECTED TO THE FACILITY MASTER STATION GROUND DETAILS FOR THIS CONNECTION SHOULD BE PROVIDED IN THE SITE ELECTRICAL GROUNDING PLANS APC 11 MX28B PDF Product Manual Revision A 48V Bus 48V Bus wit splice plate E 48V Bus Splice plate With splice plates without splice plates Figure 3 2 Bus Bars 3 4 CIRCUIT BREAKER INSTALLATION Use diagonal cutters to cut the metal web of the breaker panel knock outs at the desired breaker locations Note Plug in Breakers 60 A 100A require two mounting positions and a breaker adapter kit The breakers are installed by snapping the top terminal onto the upper bus bar and rotating the unit down until the second terminal snaps onto the breaker termination post as shown in Figure 3 3 The breaker alarm terminals are designed to make contact with the alarm terminal board as the breaker is snapped into place KKK CAUTION KKK During breaker installation carefully align the alarm terminals with the alarm terminal board to avoid breaker terminal damage 12 APC Revision A MX28B PDF Product Manual
10. nnonnnanoncnnarc cnn nn nnnn cnc nr 7 2 23 Circuit Breaker ita ii dl ah alain 7 23 INDIGATORS AND ALARMS suscitada lt ida 8 22331 O O A 8 23 2 Alarm Relay toi tra cirio verter 9 3 INSTALLATION PROCEDURES 1 00 0 cceeceee eee ceee eee eseea eee eaeseeseeeeaeeaeeaeaeeaeaeeaes 10 31 Prepara hanes Me aide en ie ee dp 10 Sil Recommended Tot Siria al Akio Audet ati eter ki 10 3 1 2 Recommended Test EquipMment ecccceceeeceeeeeeeeeeeeeeeeeeeseneeeeeseneeeeeseeeeeeeseneeeeeeeneaees 10 Tta Equipment INSPOCtION ataco lcd anette cael kite 10 3 1 4 Satety Precautions a a aara a aa ae diia 10 3 1 5 ROOM LOCATIONS eenei aaa ni eani a a a AE ea N EA EAE 10 SLE MOUNTING cc 11 3 2 NR a a eaa a E aa ieii 11 3 3 DG System Grond giesnan ii iens ni iee aa ad iiaea 12 3 4 Circuit Breaker Installati0M ooonoocnnnnnnnnnnnnnnnnnncnnnnnnnnnnonncccnanccnnnrn cnn cnn ran ranma 13 So Load conne clons Mica iii 13 CUSTOMER SERVICE AND SUPPORT cccccoccccocccccccocccocononono conocio conan nc nano nn nc c cnn rca 14 WARRANTY PROVISIONS 0 ccceccceccceceeece cence eeeaeeeeeeee cae nn nn nano cnn rca 14 Bal General ProviSions vescssscssstevasteceactessacceutcqceessecextcues saccesgeetacceebevaczesatertcansttauaveataeseezentcensbaeeamsats 14 52 Warranty returns ct ta 14 5 3 Warranty Repair or Replacement ooccccinnococinonococanononcncnnnonnncn nono cnn nano TAKEN rn EAN nn 15 5 4 EXCLUSIONS AND LIMITATIONS occococcccnnoccconcccn
11. onanononcnnnncccnncnnnn nn naar nn rana rancia 15 APC 3 MX28B PDF Product Manual Revision A 1 GENERAL INFORMATION 1 1 1 2 1 3 INTRODUCTION The MX28B Power Distribution Frames PDF from APC DC Network Solutions Inc possesses unique features that make them easy to install maintain and upgrade Sales support for purchases proposals after sales support etc is provided by APC DC Network Solutions Inc sales and service offices APC DC Network Solutions Inc provides nationwide 24 hour 7 day service response by dialing 800 800 4APC This service will answer your call gather specific service information and ask a qualified service representative to contact you as quickly as possible refer to Section 4 APC DC Network Solutions Inc is Located at 11035 Switzer Avenue Dallas Texas 75238 Phone 214 652 4040 FAX 214 342 5027 PRECAUTIONS It is extremely important to read understand and strictly follow the proper INSTALLATION PROCEDURES in Section 3 In particular note the SAFETY PRECAUTIONS in Section 3 1 4 If any precautions are not clearly understood or special local codes exist contact your nearest APC DC Network Solutions Inc representative or the APC DC Network Solutions Inc offices at 800 800 4APC for clarification Also it is the customer s responsibility to ensure that all applicable federal state and local regulations and industry guidelines are complied with for correct
12. r breach of warranty or negligence exceed the purchase price of the product giving rise to the claim THE ABOVE WARRANTY IS IN LIEU OF ALL OTHER REMEDIES INCLUDING ACTIONS FOR CONTRACT OR NEGLIGENCE ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY EXCLUDED APC 15
13. s to APC DC Network Solutions Inc factory service center FOB Destination Freight Pre Paid for examination or 2 For non returnable systems and equipment notice to wait until an APC DC Network Solutions Inc Authorized Service Representative arrives at the site to inspect the equipment Repaired or Advance Replacement Modules or Circuit Components may be available within 24 to 48 hours of receipt of issuance of an RMA APC Revision A MX28B PDF Product Manual 5 3 WARRANTY REPAIR OR REPLACEMENT If during the warranty period the supplied equipment is physically or electrically unsound due to defective materials or workmanship on the part of APC DC Network Solutions Inc the defective product or componenit s will be repaired or replaced at the sole option of APC DC Network Solutions Inc without charge to the purchaser user for replacement materials or factory repair labor The procedures outlined above are likewise applicable However costs of replacement installation including but not limited to installation equipment travel expenses of APC DC Network Solutions Inc Representative s and costs of material transportation expenses will be born by the purchaser user The replacement product or component s shall only complete the remaining unused portion of the original warranty of the replaced product or component s 5 4 EXCLUSIONS AND LIMITATIONS 1 This warranty applies only to the original US domestic purchaser user and
14. tal shorting of distribution conductors can cause arcing and high currents that can cause serious burns or other physical harm It is recommended that Any jewelry rings or watches be removed while working on this equipment Handles of all wrenches screwdrivers cutters and pliers be insulated Shafts of screwdrivers be wrapped in electrical tape or otherwise insulated 3 1 5 Room Locations NOTE The Power Distribution Frame is to be installed in a room vault or similar enclosure that is accessible only to qualified persons in accordance with the NEC National Electrical Code or the authority having jurisdiction Prior to installation drawings floor loading requirements and grounding schemes should all be verified Installation drawing number INS 0017 is available from APC DC Network Solutions in Dallas TX 10 APC Revision A MX28B PDF Product Manual 3 1 6 Mounting The box frame housing is self supporting but designed to be bolted to the floor of the housing structure The figure below shows the footprint of the box frame and the mounting points with dimensions shown in inches Consult the system design specifications to see if it is necessary to electrically isolate the frame from the floor structure This is required in many installations Insulator kit part number AAB 0597 is available if required i 3 2 INPUT POWER CONNECTIONS Figure 3 1 Mounting diagram The PDF 48VDC input bus offers multiple con
15. urned around within 24 to 48 hours of receipt at the factory location Shipment should be sent pre paid The unit will be returned pre paid provided it was received that way It is important that correct procedures be followed in filing an RMA including an accurate written description of the problem This will aid those actually repairing the unit to do an effective job If a unit is returned and a No Fault Found results APC DC Network Solutions Inc reserves the right to bill the customer for labor and assess a service charge to cover the extra costs incurred WARRANTY PROVISIONS 5 1 GENERAL PROVISIONS APC DC Network Solutions Inc warrants the equipment and components it manufactures or sells against defective materials and workmanship for a period of TWO 2 YEARS from date of shipment 5 2 WARRANTY RETURNS If initial physical inspection identifies flaws in material or workmanship that would impair product performance as defined by APC DC Network Solutions Inc electrical and physical specification as published at the time of shipment and these flaws are not due to transportation damage or installation abuse please follow the following procedure Contact the nearest APC DC Network Solutions Inc Service Center or use our 24 hr emergency number 800 800 4APC to request assistance You will be provided with either 1 A Return Material Authorization RMA number with instructions for return of the equipment or component
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