Mitsubishi Electric 9900B Series Owner Technical Manual page 5

Uninterruptible power supply system
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MITSUBISHI
ELECTRIC
Normal Operation: Load Powered by UPS Inverter ................................. 1-8
Single Line Diagram-Emergency Operation ............................................. 1-10
Figure 1.4(a) UPS Parts Location (750kVA) .................................................................. 1-12
Figure 1.4(b) UPS Parts Location (500kVA) .................................................................. 1-14
UPS Parts Location (300kVA) .................................................................. 1-15
Display PCB DPAU-81 ............................................................................. 1-16
External I/F PCB IOAU-09 ...................................................................... 1-16
Parallel I/F PCB IFAU-09 ........................................................................ 1-16
MAIN PCB UPGR-M ............................................................................... 1-17
Operation/Display Panel (Front Panel) ..................................................... 2-1
Main Screen .............................................................................................. 2-3
Figure 2.3(a) Startup/Shutdown Guidance ..................................................................... 2-4
Figure 2.3(b) Startup Guidance ...................................................................................... 2-4
Shutdown Guidance ................................................................................. 2-4
Figure 2.4(a) Input Values .............................................................................................. 2-4
Figure 2.4(b) Output Values ........................................................................................... 2-5
Measurement During Battery Operation ................................................... 2-5
Figure 2.5(a) Remote/Local Operation Select ................................................................ 2-5
Figure 2.5(b) Date & Time Adjustment ........................................................................... 2-5
Figure 2.6(a) Log Menu .................................................................................................. 2-6
Figure 2.6(b) Event Log .................................................................................................. 2-6
Battery Log ................................................................................................ 2-6
Figure 2.7(a) Main Screen (Battery Operation) .............................................................. 2-7
Figure 2.7(b) Measurement Screen (Battery Operation) ............................................... 2-7
Main Screen (Fault Indication) .................................................................. 2-7
Message Screen ....................................................................................... 2-8
Figure 2.10(a) External Signal Terminal Block (NEC Class2) ........................................ 2-9
Figure 2.10(b) External Signal Terminal Block (NEC Class2) ........................................ 2-10
Control Wiring for External Contacts ........................................................ 2-11
Remote "Start" Contact Connections ....................................................... 2-13
UPS Terminal Designation ...................................................................... 3-7
Figure 3.3
Diagram of Power Wire and Control Wire Interconnection Between
UPS and Battery ..................................................................................... 3-11
Figure 3.4
Diagram of Power Wire Connect (Parallel Connection) ........................... 3-12
2x to 4x) .................................................................................................... 3-13
5x to 8x) .................................................................................................... 3-14
LCD Screen (MMS Operation) ................................................................. 3-18
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
LIST OF FIGURES
MITSUBISHI ELECTRIC 9900B SERIES UPS
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iii

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