Instruction/ maintenance manual of the product 3.5 to 21 kVA N+1 MGE UPS Systems
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3.5 to 21 kV A N+1 Inverter Owner’ s Manual www.mgeups.com.
IMPORT ANT SAFETY INSTRUCTIONS SA VE THESE INSTRUCTIONS – This manual contains important instructions for the S4 Inverter Plant that must be followed during operation of the equipment. W ARNING: Opening enclosures expose hazardous voltages. Always refer service to qualified personnel only .
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
3.5 to 21 kV A N+1 Inverter page iv This manual covers these models: Product: Rating: 64074 7.0 kV A 120/240 Line to Neutral only 64144 14.0 kV A 120/240 Line to Neutral only 64214 21.0 kV A 120/240 Line to Neutral only 64074H 7.0 kV A 208/240 Line to Line only 64144H 14.
W arranty Information page v Owner ’ s Manual 3.5 to 21 kV A N+1 Inverter Owner ’ s Manual Wa rranty The liability of MGE UPS SYSTEMS, Inc. hereunder is limited to replacing or repairing at MGE UPS SYSTEMS, Inc.’s factory or on the job site at MGE UPS SYSTEMS, Inc.
How T o Use This Manual: This manual is designed for ease of use and easy location of information. To quickly find the meaning of terms used within the text, look to the Glossary . To quickly find a specific topic, look at the T able of Contents. This manual uses Note lines and icons to convey important information.
CAUTION: Record All Serial Numbers page vii Owner ’ s Manual CAUTION RECORD ALL SERIAL NUMBERS FOR THE S4 INVERTER AND COMPONENTS. THESE SERIAL NUMBERS WILL BE REQUIRED IF YOUR SYSTEM NEEDS SER VICE.
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page c —i Owner ’ s Manual Contents description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page IMPORT ANT SAFETY INSTRUCTIONS . . . . . .Inside Front Cover W arranty . . . . . . . . . . . . . . . . . . . . . . . . .
Section 2 Installation and Operation (continued) section description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 2.5.2 DC Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5 2.
Contents page c —iii Owner ’ s Manual Section 3 Maintenance Adjustment and T roubleshooting section description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 3.0 Scope . . . . . . . . . . . . . . . . . . . . . . .
Figures figure description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page 1-1 System Configurations. (N+1 = added redundancy) . . . . . . . . . . . 1-2 2-1 Installation Drawing, 7 kV A Inverter System . . . . . . .
W ARNING: A n A C output will be present at the output terminals immedi- ately when AC input is energized. A TTENTION: La tension alternative de sortie appara ît dès la mise sous ten- sion de l'entrée. W ARNUNG! Eine Ausgangsspannung liegt an den Ausgangsklemmen, sobald der Netzeingang angeschlossen wird.
1.1 General Description This static, modular inverter system series provide stable, distortion-free AC power from a DC input source at a selectable output voltage and frequency prior to shipment, for sensitive equipment.
Introduction page 1 — 3 Owner ’ s Manual T able 1-2: Inverter Module Dimensions. Inverter Module HEIGHT (in/cm) DEPTH (in/cm) WIDTH (in/cm) WEIGHT (lb/kg) 64004-9MSK1 5.18 / 13.16 15.12 / 38.4 15.76 / 40.03 46 / 20.86 Note: Weight: Six-mod receiver = 135 lbs.
Efficiency 85% minimum, 88% typical (on-line mode); 97% typical (off-line mode) at full kV A/Watt load. Power Factor Rated kV A is available over a power factor range of 0.6 lagging to 0.6 leading at nominal volt- age. W att rating should not be exceeded.
Introduction page 1 — 5 Owner ’ s Manual 1.5 Environmental Specifications Operating T emperature All models operate to specifications from -5°C to +50°C (+23°F to +122°F) for alti- tude up to 3,300 feet (1006 Meters), and -5°C to 35°C (+23°F to + 95°F) for up to 13,300 feet (4054 Meters).
(This page left blank intentionally .) Introduction 3.5 to 21 kV A N+1 Inverter page 1 — 6.
IMPORT ANT : Equipment is factory set to operate at 120V AC for Line to Neutral and 240V AC for Line to Line units. Please read installation procedure to configure for Line to Neutral and 240V AC for Line to Line units other configurations.
2.3 Mechanical Mounting The equipment can be floor mounted or rack mounted in a 19” (48.3 cm), 23” (58.4 cm), or 25” (63.5 cm) rack. Optional mounting bracket kits can be ordered for rack mounting in a 25” (63.5 cm) or 26” (66.0 cm) rack. All receivers and inverter power modules are shipped separately from the factory .
Installation & Operation page 2 — 3 Owner ’ s Manual Figure 2-2: Front View , 7 kV A, System Component Description. 2.3.1 Location The equipment is designed for installation in a protected environment. Factors to be considered in selecting a loca- tion include ventilation, temperature, humidity , and accessibility .
2.4 Wiring Connections Line to Neutral Units Note: For Line to Line units please skip to section 2.7, page 2—10. 2.4.1 Grounding For safety and proper operation of the unit, including maximum attenuation of electrical noise, suitable grounding is required.
Installation & Operation - Line to Neutral page 2 — 5 Owner ’ s Manual 2.5.2 DC Input Normal: -48VDC Operating Range: -39.5 VDC to -57VDC This system is designed for battery systems with the positive terminal Earth Ground. All DC breakers are in the negative DC lines.
Figure 2-3a: Static Switch Section - Input and Output Wiring. Installation & Operation - Line to Neutral 3.5 to 21 kV A N+1 Inverter page 2 — 6 BA TTER Y (+) BA TTER Y (-) GND L-OUT L-IN N-OUT N.
Installation & Operation - Line to Neutral page 2 — 7 Owner ’ s Manual 2.5.4 Connections All DC input connections are made through the knock-outs, located in the top or left side panel.
The utility input and output cables are connected to a screw type terminal block. Connect the ground wires first, then the neutral wires, then connect the AC input wire (if applicable) and the AC output wire.
Installation & Operation - Line T o Neutral page 2 — 9 Owner ’ s Manual 2.6 Software Configuration Set-Up The factory default configurations of the inverter plant is: 120V , 60Hz, Utility voltage connected and Mode of oper- ation is Online.
2.6.3 Unit kV A Rating ID Label For kV A rating see the inverter ID label. Use the label kV A rating, regardless of the number of inverter modules installed. The processor will detect and display the number of modules installed and the number of modules that are “ON” and operating without fault.
Installation & Operation - Line T o Line page 2 — 11 Owner ’ s Manual 2.7 Wiring Connections Line to Line Units Note: For Line to Neutral units continue to section 2.11, page 2—17. 2.7.1 Grounding For safety and proper operation of the unit, including maximum attenuation of electrical noise, suitable grounding is required.
2.8.3 DC Input Circuit Breaker Due to tremendous amounts of short circuit current available (in excess of 1000A for as long as several minutes!) from bank(s) of batteries, that supply electrical power to inverter systems, it is extremely important to connect a properly sized DC circuit breaker at the DC input cable that feeds the inverter system.
Installation & Operation - Line T o Line page 2 — 13 Owner ’ s Manual Figure 2-6a: Static Switch Section - Input and Output Wiring. BA TTER Y (+) BA TTER Y (-) GND L1-OUT L1-IN L2-OUT L2-IN GN.
2.8.4 Connections All DC input connections are made through the knock-outs, located in the top or left side panel. Refer to Figure 2- 1. Make sure that the upstream source DC circuit breaker and AC circuit breaker (if applicable) supplying the invert- er are in the off (or open) position.
Installation & Operation - Line T o Line page 2 — 15 Owner ’ s Manual Figure 2-7: Line T o Line Setup Screen. After the selections are complete, click on the Save button. The data will be sent to the appropriate address in the controllers “EEROM”.
2.10 Redundant Controller Set-Up After making sure the 48VDC power has been removed from the unit, remove the two Phillips head screws from the display panel as above.
Installation & Operation page 2 — 17 Owner ’ s Manual 2.1 1 Indicators and Controls There are six LED indicators divided into three groups – DS1 and DS2, DS3 and DS4, DS5 and DS6 - on the dis- play front panel.
Installation & Operation 3.5 to 21 kV A N+1 Inverter page 2 — 18 Figure 2-9: S4 Inverter Components. Disconnect AC (Mains) and DC supply before removing this cover.
Installation & Operation page 2 — 19 Owner ’ s Manual 2.12 Remote Alarm The system provides three alarm signals, namely , Utility alarm, Minor alarm, and Major alarm. ◗ Utility alarm – Utility alarm is ON when utility input voltage is lost/out of tolerance.
2.13 Start-Up Sequence Confirm that all power modules’ ON/OFF circuit breakers are set to the OFF position. On the LCD “Display” panel, be sure inverter switch SW1 is set at ST ANDBY position. 2.13.1 Power-Up Procedure T urn the main source DC input circuit breaker ON to apply 48VC to the system.
Owner ’ s Manual Maintenance Adjustment and T roubleshooting Maintenance Adjustment and T roubleshooting page 3 — 1 CAUTION: T roubleshooting the static inverter should be done only by qualified electronic technicians.
3.0 Scope This section describes the maintenance and service of the S4 Inverter , including safety instructions, preventive maintenance, descriptions of replacement kits, and a troubleshooting table.
page 3 — 3 Owner ’ s Manual 3.3 Equipment Adjustment and Calibration The equipment is factory adjusted and, normally , no further adjustments and calibration are required. However , in the course of repair , components may have to be changed that will require configuration of the equipment.
3.7 Replacement Parts MGE offers a complete spare parts kit for each model number . Spare parts kits include the inverter modules. Parts (those included in the spare parts kit) can be ordered individually or as a complete parts kit.
page 3 — 5 Owner ’ s Manual 3.8 Redundant Microprocessor (72-153588-00) Installation/Configuration Follow this procedure to replace or add a microprocessor board to the S4 Inverter . Only one microprocessor can be configured at a time. T o configure a microprocessor , install only that microprocessor board in the inverter receiver .
3.9 T roubleshooting and Servicing Should you encounter a problem in the operation of the inverter and need MGE Systems to service your equipment, it is recommended to leave the unit in its current state.
page 3 — 7 Owner ’ s Manual 3.1 1 T roubleshooting Guide After having thoroughly reexamined the installation and setup of the system, and still found it un-operational, user can follow T able 3-2 to identify a problem, its cause, and recommendations for fixing it.
3.5 to 21 kV A N+1 Inverter page 3 — 8 (This page left blank intentionally) Maintenance Adjustment and T roubleshooting.
Symbols Definition/Meaning @ At. / And/or . +/- Plus or Minus. ≤ Equal to or less than. # Number . °C Degree Celsius. °F Degree Fahrenheit. Ø Phase angle. Ω Ohm; unit of resistance. ®T rade Mark. 2nd Second. ABC Normal sequence of phase (clockwise) in three-phase power .
BYP ASS See “Static T ransfer switch”. Bypass Maintenance bypass; wrap-around manual maintenance bypass using the optional bypass cir- cuit breaker Q3BP in conjunction with circuit breaker Q4S and isolation circuit breaker Q5N. Bypass AC Input Mains 2.
GND Ground (safety). Hz Hertz, frequency measurement unit, 1Hz is one cycle per second. Inverter mode See “on-line” mode. I Current. IEC International Electrotechnical Commission. IEEE Institute of Electrical and Electronic Engineers. Input branch circuit The input circuit from the building power panel to the equipment.
NO. or No. Part number . NO Normally open. Online mode Inverter output power is the primary energy source to load. Offline mode Inverter output is off, and the load connected at the inverter output receives power from utility line via a static transfer switch or maintenance bypass relay .
Reorder form 1660 Scenic A venue Costa Mesa, CA 92626 to order additional copies of this document, or to report any errors, omissions, or other problems you have experienced.
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www.mgeups.com 1660 Scenic Avenue, Costa Mesa, California 92626 • (714) 557-1636.
An important point after buying a device MGE UPS Systems 3.5 to 21 kVA N+1 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought MGE UPS Systems 3.5 to 21 kVA N+1 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 MGE UPS Systems 3.5 to 21 kVA N+1 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, MGE UPS Systems 3.5 to 21 kVA N+1 you will learn all the available features of the product, as well as information on its operation. The information that you get MGE UPS Systems 3.5 to 21 kVA N+1 will certainly help you make a decision on the purchase.
If you already are a holder of MGE UPS Systems 3.5 to 21 kVA N+1, 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 MGE UPS Systems 3.5 to 21 kVA N+1.
However, one of the most important roles played by the user manual is to help in solving problems with MGE UPS Systems 3.5 to 21 kVA N+1. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device MGE UPS Systems 3.5 to 21 kVA N+1 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
