Instruction/ maintenance manual of the product MX28B-PDF American Power Conversion
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APC DC Network Solutions Inc. 11035 Swi tzer Avenue Dallas, TX 75238 800-800-4APC PART NUMBER 990-9132 PRODUCT MA NUA L MX28B-PDF POWER DISTRIBUTION FRAME.
MX2 8B-PDF Pr oduct Ma nual Rev ision A 2 APC REVISION HISTORY Revision Dat e By Description A 26 Jan 2001 JNF Initial rel ease.
Rev ision A MX2 8B-PDF Pr oduct Ma nual APC 3 TA BLE OF CONTENTS 1. GENERAL INFORM A TION ............................................................................................................. 4 1.1 Introduction ................................
MX2 8B-PDF Pr oduct Ma nual Rev ision A 4 APC 1. GENERA L INFORMA TION 1.1. INTRODUCTION The MX28B Power Distribution Fr am es ( PDF) f rom APC DC Net work Solutions Inc. possesses unique f eatures that m ak e them easy to inst all, m aint ain and upgrade.
Rev ision A MX2 8B-PDF Pr oduct Ma nual APC 5 Please be sure that all it em s are accounted f or, including t he number of pallets and the quantit y of accessory and/or component boxes. Also not e any visible ex ternal damage that may have occurred during tr ansit.
MX2 8B-PDF Pr oduct Ma nual Rev ision A 6 APC 2. SYSTEM OVERVIEW A ND TECHNICA L DES CRIPTION 2.1 GENERA L SYSTEM OVERVIEW The Power Distribut ion Fr am e (PDF) provides f or dist ribution of –48 VDC power thr ough circuit breaker s. T he PDF consists of a r ack with three power distribution cabinets.
Rev ision A MX2 8B-PDF Pr oduct Ma nual APC 7 2.2.1 Input –48 VDC Bus All six busses can be isolated, or tied tog ether with splice plates depending on cust om er desires . Figure 2-2 Bus Bars 2.2.2 Circuit Breaker Tiers Each circuit break er tier pr ovides positions f or mount ing 24 plug-in circuit breaker s.
MX2 8B-PDF Pr oduct Ma nual Rev ision A 8 APC BREA KER RAT ING PA RT NUM BER BREA KER RAT ING PART NUMBER 1 A FFA-0014 20 A FFA-0018 3 A FFA-0015 30 A FFA-0019 5 A FFA-0016 40 A FFA-0020 10 A FFA-0017 50 A FFA-0025 15 A FFA-0028 Table2.
Rev ision A MX2 8B-PDF Pr oduct Ma nual APC 9 2.3.2 A larm Relay There is an alar m r elay, K- 1 locat ed on t he center of the meter panel t hat energizes if any circuit breaker t r ips within the PDF. Form C contact s fr om t his r elay are available vi a connector J-9 located at the cent er of t he circuit board.
MX2 8B-PDF Pr oduct Ma nual Rev ision A 10 APC 3. INSTA LLATION PROCEDURES 3.1 PREPA RA TION 3.1.1 Recommended Tools Tools req uired f or inst allation: • = Standard selection of customary insulated hand tools used by qualif ied t echnicians. • = An appropriate dr ill t o dr ill holes in the f loor t o anchor the plant.
Rev ision A MX2 8B-PDF Pr oduct Ma nual APC 11 3.1.6 Mounting The box fr ame housing is self -supporting , but designed to be bolted to the floor of the housing structur e. The f igure below shows the footprint of the box f rame and the mount ing points with dimensions ( shown in inches).
MX2 8B-PDF Pr oduct Ma nual Rev ision A 12 APC With splice plates wi thout splice plates Figure 3-2 Bus Bars 3.4 CIRCUIT BREA KER INSTA LLA TION Use diagonal cutt ers to cut t he metal web of t he breaker panel “ knock- outs” at t he desired breaker locations .
Rev ision A MX2 8B-PDF Pr oduct Ma nual APC 13 Figure 3-3: Installation o f Circuit Breakers 3.5 LOA D CONNECTIONS Connection for –48VDC loads are made f r om standard size #10-32 two-hole lug s on 5/ 8” centers located directly next to t he cor r esponding circuit br eak er.
MX2 8B-PDF Pr oduct Ma nual Rev ision A 14 APC 4. CUSTOMER SERV ICE A ND SUPPORT APC DC Network Solutions I nc. manuf actures the MX28B line of Power Plants and provides customers with complete pr oduct and systems support and service. APC DC Network Solutions Inc.
Rev ision A MX2 8B-PDF Pr oduct Ma nual APC 15 5.3 WA RRA NTY REPA IR OR REPLA CEMENT If , during t he warranty period, the supplied eq uipment is physically or electrically unsound due to defect ive materials or workmanship on the part of APC DC Network Solut ions Inc.
An important point after buying a device American Power Conversion MX28B-PDF (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of American Power Conversion MX28B-PDF, 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 American Power Conversion MX28B-PDF.
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