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MITSUBISHI ELECTRIC AUTOMATION, INC
UNINTERRUPTIBLE POWER SUPPLY SYSTEM
9800A SERIES
OWNERS / TECHNICAL MANUAL
(For parallel operation possible model only.)
Revision 2.03 Apr. 15, 05
ALN-H0776
MITSUBISHI ELECTRIC 9800A SERIES UPS
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Page Number: MITSUBISHI 9800A SERIES UPS i ELECTRIC OWNERS / TECHNICAL MANUAL Preface MITSUBISHI ELECTRIC 9800A SERIES UPS
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Page Number: MITSUBISHI 9800A SERIES UPS ii ELECTRIC OWNERS / TECHNICAL MANUAL TABLE OF CONTENTS LIST OF TABLES ................................................................................................ iii LIST OF FIGURES .............................................................................................. iv HOW TO USE THIS MANUAL ............................................................................ v 1.0 INTRODUCTION .....................................
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Page Number: MITSUBISHI 9800A SERIES UPS iii ELECTRIC OWNERS / TECHNICAL MANUAL List of Tables Table 1.1 Power Specifications..................................................................... 1-13 Table 1.2 UPS Module Information............................................................... 1-13 Table 1.3 Detail of Specifications ................................................................. 1-13 Table 1.4 Rating of Contactor and Fuses........................................
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Page Number: MITSUBISHI 9800A SERIES UPS iv ELECTRIC OWNERS / TECHNICAL MANUAL List of Figures Figure 1.1 Single Line Diagram-Normal Operation.................................................... 1-5 Figure 1.2 Single Line Diagram-Bypass Operation ................................................... 1-6 Figure 1.3 Single Line Diagram-Battery Operation.................................................... 1-7 Figure 1.4 UPS Parts Location.................................................
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Page Number: MITSUBISHI 9800A SERIES UPS v ELECTRIC OWNERS / TECHNICAL MANUAL How to use this Manual This manual is designed for ease of use, giving the user easy and quick reference to information. This manual uses notice icons to draw attention to the user important information regarding the safe operation and installation of the UPS. The notice icons used in this manual are explained below, and should be taken into account and adhered to whenever they appear in the text of th
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Page Number: MITSUBISHI 9800A SERIES UPS 1-1 ELECTRIC OWNERS / TECHNICAL MANUAL 1.0 INTRODUCTION Your Mitsubishi Uninterruptible Power System (UPS) is designed to provide many years of reliable protection from power failure, brown-outs, line noise, and voltage transients. To ensure optimum performance of the equipment, follow the manufacturer's instructions. This manual contains descriptions required to operate the UPS. Please read this manual carefully and retain it for future
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Page Number: MITSUBISHI 9800A SERIES UPS 1-2 ELECTRIC OWNERS / TECHNICAL MANUAL WARNING 2 This UPS does not include a Bypass input circuit breaker (MCCB) to protect bypass circuit. The Bypass input circuit breaker (MCCB) is to be field supplied and installed. Recommended Breaker (MCCB)'s Specifications are as follows: Capacity (kVA) Bypass Voltage (Vac) Bypass Rating (Aac) Breaker (A) 100 480 120 150 600 96 125 150 480 180 225 600 144 200 225 480 271 350 600
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Page Number: MITSUBISHI 9800A SERIES UPS 1-3 ELECTRIC OWNERS / TECHNICAL MANUAL 1.1 GENERAL The Mitsubishi 9800A SERIES UPS is designed to provide continuous and clean electrical power to a critical load. Additionally the UPS monitors power conditions affecting the load. In the event of an input power failure, the UPS will supply power to the critical load for the specified battery time. If the input power is not restored promptly, back up power from the UPS battery perm
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Page Number: MITSUBISHI 9800A SERIES UPS 1-4 ELECTRIC OWNERS / TECHNICAL MANUAL 1.2 Definitions UNINTERRUPTIBLE POWER SUPPLY SYSTEM (UPS) - All components within the UPS Module Cabinet and associated batteries that function as a system to provide continuous, conditioned AC power to a load. This is sometimes referred to as the "System". UPS MODULE CABINET - The metal enclosure which contains the Rectifier, the Inverter, the Chopper, the Static Transfer Switch, the Internal By
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Page Number: MITSUBISHI 9800A SERIES UPS 1-5 ELECTRIC OWNERS / TECHNICAL MANUAL 1.3 Overview The UPS provides two power paths between the utility source and the critical load. Figure 1.1 shows the path for normal operation, with the load powered from the inverter. Figure 1.2 shows the path for bypass operation, with the load supplied through the static bypass line. A) Normal operation: Load power supplied by each system UPS inverter. Figure 1.1 Single Line Diagram - Nor
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Page Number: MITSUBISHI 9800A SERIES UPS 1-6 ELECTRIC OWNERS / TECHNICAL MANUAL The Bypass Input circuit breaker (MCCB) for protection of the UPS and cables are field supplied and field installed. (See WARNING 2 on page 1-2) B) Bypass Operation: Load Power supplied through each system UPS internal static bypass line. FIGURE 1.2 Single Line Diagram - Bypass Operation: Load fed through Internal static bypass line. CB Static Transfer AC Bypass Input Switch CB3 Us
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Page Number: MITSUBISHI 9800A SERIES UPS 1-7 ELECTRIC OWNERS / TECHNICAL MANUAL C) Battery operation: Load Power supplied by each system UPS battery and inverter. FIGURE 1.3 Single Line Diagram - Battery Operation CB Static Transfer AC Bypass Switch Input CB3 User supplied MCCB RECTIFIER INVERTER 52S AC input Output CB1 52C CB2 Power Flow Not in Use Battery cabinet UPS Module Referring to Figure 1.3: In the event of AC input source failure or in
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Page Number: MITSUBISHI 9800A SERIES UPS 1-8 ELECTRIC OWNERS / TECHNICAL MANUAL FIGURE 1.4-a UPS Parts Location (100kVA, 150kVA, 225kVA) UPS module FRONT VIEW Inverter AC capacitors Chopper unit DC capacitors Rectifier unit 1. CPM 52S CB3 CB1 3. External I/F circuit PCB IOAU-04 2. Grounding Bar 52C FIGURE 1.4-b UPS Parts Location (300kVA,375kVA) UPS module FRONT VIEW 52S 2. Grounding 52C Bar 3. External I/F CB1 circ
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Page Number: MITSUBISHI 9800A SERIES UPS 1-9 ELECTRIC OWNERS / TECHNICAL MANUAL FIGURE 1.4-c UPS Parts Location (500kVA) UPS module FRONT VIEW 3. External I/F circuit PCB IOAU-04 1. CPM 52S 2. Grounding Bar AC capacitors 52C CB1 Rectifier unit AC capacitors CB3 DC Inverter Capacitors Chopper unit MITSUBISHI ELECTRIC 9800A SERIES UPS
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Page Number: MITSUBISHI 9800A SERIES UPS 1-10 ELECTRIC OWNERS / TECHNICAL MANUAL FIGURE 1.4-d UPS Parts Location (750kVA) UPS module FRONT VIEW 3. External I/F circuit PCB IOAU-04 AC capacitors 2. Grounding Bar 52C 52S CB1 1. CPM CB3 AC capacitors DC Capacitors Rectifier Inverter unit Chopper unit MITSUBISHI ELECTRIC 9800A SERIES UPS
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Page Number: MITSUBISHI 9800A SERIES UPS 1-11 ELECTRIC OWNERS / TECHNICAL MANUAL FIGURE 1.5 UPS Parts Location (Continued) UPS module REAR OF FRONT DOOR (Right side) SYNC.LED 5 6 INVERTER INVERTER START STOP | | | | | | FAULT MAINTENANCE TEST BOOT SWITCH RESET SWITCH SWITCH 10 9 7 8 FIGURE 1.6 External I/F circuit PCB IOAU-04 3. External contact signal terminal IOAU-04 4. RS23
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Page Number: MITSUBISHI 9800A SERIES UPS 1-12 ELECTRIC OWNERS / TECHNICAL MANUAL Description of Figures 1.4, 1.5, and 1.6: 1. CPM - Circuit protector for control power supply. 2. Grounding bar (G) 3. External contact signal terminal block (FIGURE 1.6) - Terminal block to connect contact signal input/output lines to and from the external devices. Refer to Figure 2.15 section 2.4 for details. 4. RS232C communication connector (FIGURE 1.6) - Refer to Figure 2.18 section 2.5 for
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Page Number: MITSUBISHI 9800A SERIES UPS 1-13 ELECTRIC OWNERS / TECHNICAL MANUAL 1.4 Specifications The UPS name plate displays the rated kVA as well as nominal voltages and currents. The name plate is located on the inside of the UPS front door. TABLE 1.1 Power Specifications Rated output Input voltage Bypass input voltage Output voltage Power 3 phase / 3 wire 3 phase / 4 wire 3 phase / 3 or 4 wire 100kVA / 80kW 480V 480V or 600V 480V or 600V 150kVA / 120kW 480V 480V
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Page Number: MITSUBISHI 9800A SERIES UPS 1-14 ELECTRIC OWNERS / TECHNICAL MANUAL TABLE 1.3 Detail of Specifications Rated Output kVA 100 150 225 300 375 500 750 Rated Output kW 80 120 180 270 338 450 675 AC INPUT Configuration 3 phase, 3 wire Voltage 277/480 V, 346/600 V +15% to -15% Frequency 60 Hz +/-5% Reflected Current THD 6% max. at 100% load; 9% max. at 50% load STATIC BYPASS INPUT Configuration 3 phase, 4 wire Voltage 277/480 V, 346/600 V +/-10% Frequency
