Mge-ups-systems 3.5 to 21 kVA N+1 User Manual

3.5 to 21 kVA N+1InverterOwner’s Manualwww.mgeups.com

Section 2 Installation and Operation (continued)section description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page2

Contentspage c —iiiOwner’s ManualSection 3 Maintenance Adjustment and Troubleshootingsection description . . . . . . . . . . . . . . . . . . . . .

Figuresfigure description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .page1-1 System Configurations. (N+1 = added

WARNING: An AC output will be present at the output terminals immedi-ately when AC input is energized.ATTENTION: La tension alternative de sortie appa

1.1 General DescriptionThis static, modular inverter system series provide stable, distortion-free AC power from a DC input source at aselectable outp

Introductionpage 1 — 3Owner’s ManualTable 1-2: Inverter Module Dimensions.Inverter Module HEIGHT (in/cm) DEPTH (in/cm) WIDTH (in/cm) WEIGHT (lb/kg)64

Efficiency 85% minimum, 88% typical (on-line mode); 97% typical (off-line mode) at full kVA/Watt load.Power Factor Rated kVA is available over a power

Introductionpage 1 — 5Owner’s Manual1.5 Environmental SpecificationsOperating Temperature All models operate to specifications from -5°C to +50°C (+2

(This page left blank intentionally.) Introduction3.5 to 21 kVA N+1 Inverterpage 1 — 6

IMPORTANT: Equipment is factory set to operate at 120VAC for Line toNeutral and 240VAC for Line to Line units. Please readinstallation procedure to

IMPORTANT SAFETY INSTRUCTIONSSAVE THESE INSTRUCTIONS – This manual contains important instructions for the S4 InverterPlant that must be followed dur

2.3 Mechanical MountingThe 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 b

Installation & Operationpage 2 — 3Owner’s ManualFigure 2-2: Front View, 7 kVA, System Component Description.2.3.1 LocationThe equipment is design

2.4 Wiring Connections Line to Neutral UnitsNote: For Line to Line units please skip to section 2.7, page 2—10.2.4.1 GroundingFor safety and proper o

Installation & Operation - Line to Neutralpage 2 — 5Owner’s Manual2.5.2 DC InputNormal: -48VDCOperating Range: -39.5 VDC to -57VDCThis system

Figure 2-3a: Static Switch Section - Input and Output Wiring.Installation & Operation - Line to Neutral3.5 to 21 kVA N+1 Inverterpage 2 — 6BATTE

Installation & Operation - Line to Neutralpage 2 — 7Owner’s Manual2.5.4 ConnectionsAll DC input connections are made through the knock-outs, lo

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

Installation & Operation - Line To Neutralpage 2 — 9Owner’s Manual2.6 Software Configuration Set-UpThe factory default configurations of the inve

2.6.3 Unit kVA Rating ID LabelFor kVA rating see the inverter ID label. Use the label kVA rating, regardless of the number of inverter modulesinstal

Installation & Operation - Line To Linepage 2 — 11Owner’s Manual2.7 Wiring Connections Line to Line UnitsNote: For Line to Neutral units continu

NOTE: This equipment has been tested and found to comply with thelimits for a Class A digital device, pursuant to part 15 of theFCC rules. These limit

2.8.3 DC Input Circuit BreakerDue to tremendous amounts of short circuit current available (in excess of 1000A for as long as several minutes!)from

Installation & Operation - Line To Linepage 2 — 13Owner’s ManualFigure 2-6a: Static Switch Section - Input and Output Wiring.BATTERY (+)BATTERY (

2.8.4 ConnectionsAll DC input connections are made through the knock-outs, located in the top or left side panel. Refer to Figure 2-1. Make sure t

Installation & Operation - Line To Linepage 2 — 15Owner’s ManualFigure 2-7: Line To Line Setup Screen.After the selections are complete, click on

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 thedisplay

Installation & Operationpage 2 — 17Owner’s Manual2.11 Indicators and ControlsThere are six LED indicators divided into three groups – DS1 and DS2

Installation & Operation 3.5 to 21 kVA N+1 Inverterpage 2 — 18Figure 2-9: S4 Inverter Components.Disconnect AC (Mains) and DC supply before remo

Installation & Operationpage 2 — 19Owner’s Manual2.12 Remote AlarmThe system provides three alarm signals, namely, Utility alarm, Minor alarm, an

2.13 Start-Up SequenceConfirm that all power modules’ ON/OFF circuit breakers are set to the OFF position. On the LCD “Display” panel,be sure inverte

Owner’s ManualMaintenance Adjustment and TroubleshootingMaintenance Adjustment and Troubleshooting page 3 — 1CAUTION: Troubleshooting the static inve

3.5 to 21 kVA N+1 Inverterpage ivThis manual covers these models:Product: Rating:64074 7.0 kVA 120/240 Line to Neutral only64144 14.0 kVA 120/240 Line

3.0 ScopeThis section describes the maintenance and service of the S4 Inverter, including safety instructions, preventivemaintenance, descriptions of

page 3 — 3Owner’s Manual3.3 Equipment Adjustment and CalibrationThe equipment is factory adjusted and, normally, no further adjustments and calibrati

3.7 Replacement PartsMGE offers a complete spare parts kit for each model number. Spare parts kits include the inverter modules. Parts(those include

page 3 — 5Owner’s Manual3.8 Redundant Microprocessor (72-153588-00) Installation/ConfigurationFollow this procedure to replace or add a microprocesso

3.9 Troubleshooting and ServicingShould you encounter a problem in the operation of the inverter and need MGE Systems to service your equipment,it is

page 3 — 7Owner’s Manual3.11 Troubleshooting GuideAfter having thoroughly reexamined the installation and setup of the system, and still found it un-

3.5 to 21 kVA N+1 Inverterpage 3 — 8(This page left blank intentionally)Maintenance Adjustment and Troubleshooting

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;

BYPASS See “Static Transfer switch”.Bypass Maintenance bypass; wrap-around manual maintenance bypass using the optional bypass cir-cuit breaker Q3BP

GND Ground (safety).Hz Hertz, frequency measurement unit, 1Hz is one cycle per second.Inverter mode See “on-line” mode.I Current.IEC International Ele

Warranty Informationpage vOwner’s Manual3.5 to 21 kVA N+1 InverterOwner’s ManualWarrantyThe liability of MGE UPS SYSTEMS, Inc. hereunder is limited t

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, an

Reorder form1660 Scenic AvenueCosta Mesa, CA 92626to order additional copies of this document, or to report any errors,omissions, or other problems yo

www.mgeups.com1660 Scenic Avenue, Costa Mesa, California 92626 • (714) 557-1636

How To 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 t

CAUTION: Record All Serial Numberspage viiOwner’s ManualCAUTIONRECORD ALL SERIAL NUMBERS FOR THE S4 INVERTERAND COMPONENTS. THESE SERIAL NUMBERS WILL

(This page left blank intentionally)3.5 to 21 kVA N+1 Inverterpage viii

page c —iOwner’s ManualContentsdescription . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .pageIMPORTANT SAFETY INSTRUCTI