Multiquip DCA125USI manual Electrical Safety, Device. All installations should be

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SAFETY INFORMATION

ELECTRICAL SAFETY

DANGER

DO NOT touch output terminals during operation. Contact with output terminals during operation can cause electrocution, electrical shock or burn.

The electrical voltage required to operate the generator can cause severe

injury or even death through physical contact with live circuits. Turn generator and all circuit breakers OFF before performing maintenance on the generator or making contact with output terminals.

NEVER insert any objects into the output

receptacles during operation. This is extremely dangerous.The possibility exists of electrical shock, electrocution or death.

Backfeed to a utility system can cause

electrocution and/or property damage. NEVER connect the generator to a building’s electrical system without a transfer switch or other approved

device. All installations should be

performed by a licensed electrician in accordance with all applicable laws and electrical codes. Failure to do so could result in electrical shock or burn, causing serious injury or even death.

Make sure power cables are securely connected to the generator’s output receptacles. Incorrect connections may cause electrical shock and damage to the generator.

NOTICE

ALWAYS make certain that proper power or extension cord has been selected for the job. See Cable Selection Chart in this manual.

Grounding Safety

DANGER

ALWAYS make sure that electrical circuits are properly grounded to a suitable earth ground (ground rod) per the National Electrical Code (NEC) and local codes before operating generator. Severe injury or death by electrocution can result from operating an ungrounded generator.

NEVER use gas piping as an electrical ground.

Power Cord/Cable Safety

DANGER

NEVER let power cords or cables lay in water.

NEVER stand in water while AC power from the generator is being transferred to a load.

NEVER use damaged or worn cables or cords when connecting equipment to generator. Inspect for cuts in the insulation.

NEVER grab or touch a live power cord or cable with wet hands. The possibility exists of electrical shock, electrocution or death.

PAGE 10 — DCA125USI 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (03/25/11)

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Contents Model DCA125USI This Manual Must Accompany the Equipment AT ALL TimesProposition 65 Warning Administrator Reporting Safety DefectsNhtsa Table of Contents DCA125USI 60 Hz GeneratorParts Ordering Procedures Ordering parts has never been easierSafety Information Safety MessagesGenerator Safety General Safety Always know the location of the nearest Engine Safety Before servicing equipment Never use fuel as a cleaning agent Fuel SafetyTowing Safety From fuel vapors or if fuel is spilled on a hot engineDevice. All installations should be Electrical Safety Never use gas piping as an electrical ground Battery Safety Environmental SafetySpecifications DCA125USIDimensions DimensionsInstallation Typical Generator Grounding ApplicationMounting Outdoor InstallationIndoor Installation Generator GroundingGeneral Information Major Components Generator Control Panel Owing from the U,V, and W Output Terminal Lugs to the loadPage Engine Operating Panel Engine Operating PanelFuel Gauge Indicates amount of diesel fuel available ModuleOutput Terminal Familiarization Output Terminal Panel FamiliarizationTerminal legs O and Ground are considered bonded grounds VAC Gfci Receptacles Removing the Plastic Face Plate Hard Wire Hookup PanelTwist Lock Dual Voltage 120/240 VAC Receptacles Connecting Loads Over Current RelayThree Phase Load Single Phase LoadLoad Application Generator Outputs Generator Output VoltagesGenerator OUTPUTS/GAUGE Reading HOW to Read the AC Ammeter and AC Voltage GaugesAC Voltmeter Gauge Reading 3Ø-240/139 Uvwo Terminal Output Voltages Output Terminal Panel ConnectionsUvwo Terminal Output Voltages 3Ø-208V/1Ø-120V Uvwo Terminal Output Voltages3Ø-480/277V Uvwo Terminal Output Voltages 1Ø-240/120V Uvwo Terminal Output VoltagesLubrication OIL INSPECTION/SETUPCircuit Breakers Fuel CheckRefueling Procedure Only use #2 diesel fuel when refuelingCoolant ANTIFREEZE/SUMMER COOLANT/ Water Cleaning the RadiatorAIR Cleaner FAN Belt Tension Operation in Freezing WeatherWiring BatteryBattery Cable Installation AlternatorStarting Generator START-UP ProcedureBefore Starting Starting ManualPre-Heat Lamp Emergency Shutdown Procedure Generator SHUT-DOWN ProceduresNormal Shutdown Procedure To shutdown the generator, use the following procedureGeneral Inspection AIR Cleaner MaintenanceAir Cleaner with Dust Indicator Fuel Tank Inspection Fuel AdditionAIR Removal Replacing Oil Filter Radiator CleaningCheck OIL Level Flushing OUT Radiator and Replacing CoolantBattery Charger & Jacket Water Heater Power Connections Trailer Maintenance Trailer MaintenanceCoupler Type of hitch used on the trailer for towing Hydraulic Surge Brakes Brake AdjustmentBrakes Through 8 and as listed belowTire Wear/Infl ation TIRES/WHEELS/LUG NutsSuspension Start all wheel lug nuts by hand Lug Nut Torque RequirementsNever use an pneumatic air gun to tighten wheel lug nuts Trailer Wiring Diagram Trailer/Towing Vehicle Wiring DiagramGenerator Wiring Diagram Generator Wiring DiagramEngine Wiring Diagram Engine Wiring DiagramController Wiring Diagram Controller Wiring DiagramTroubleshooting Generator Troubleshooting Diagnostic Lamp Method of OperationPage Explanation of Code in Remarks Column Sample Parts ListXxxxx only Not Used on Suggested Spare Parts To 3 unitsGenerator Assy Field Assy Part Name QTY. RemarksIncludes Items W/# FANControl BOX Assy Selector Switch Push Button SwitchDiagonastic Switch Switch BracketControl BOX Assy Water Temperature Gauge Switch CoverAlarm Lamp SWITCH, Panel LightEngine and Radiator Assy Bracket AIR Cleaner AIR CleanerINDICATOR, AIR Cleaner BAND, AIR CleanerEngine and Radiator Assy Blow by Hose ConnectorAIR Duct Hose Hose JointEngine and Radiator Assy FAN Shroud BRACKET, Inter CoolerCooler Hose BRACKET, FAN ShroudOutput Terminal Assy Terminal Cover Terminal BoardOutput Terminal Bolt Output WindowBattery Assy Battery Band BatteryBattery Sheet Battery Bolt SETMuffler Assy Gasket MufflerBolt SET Fuel Tank Assy Fuel Sender Unit Fuel TankFuel Tank CAP Connect HoseEnclosure ASSY. Part Enclosure ASSY. PART1 Enclosure ASSY. Part Over COVER, Front Frame Back PlateDuct COVER, Radiator CAPEnclosure ASSY. Part Rear Frame Enclosure ASSY. Part Washer Seal RubberManual PAK Rubber Seals Assy Part Name Nameplate and Decals Assy Engine & Radiator Group Battery GroupControl BOX Group Output Terminal GroupNameplate and Decals Assy Fuel Tank Group Enclosure GroupTerms and Conditions of Sale Parts Freight PolicyPage HERE’S HOW to GET Help
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DCA125USI specifications

The Multiquip DCA125USI is a high-performance portable diesel generator renowned for its reliability, efficiency, and robust construction, making it an ideal choice for construction sites, events, and remote locations requiring continuous power. Engineered for durability, this generator features a solid and compact design that allows seamless transport while providing ample power to meet demanding applications.

One of the standout features of the DCA125USI is its powerful 125 kVA output, capable of supplying electricity to a wide range of equipment simultaneously. With a fuel-efficient Tier 4 compliant engine, this generator not only delivers high performance but also addresses environmental concerns through reduced emissions. Operating at low noise levels, the DCA125USI ensures a quieter work environment, making it suitable for urban areas and noise-sensitive locations.

In terms of technology, the DCA125USI is equipped with a state-of-the-art digital control panel that offers advanced monitoring capabilities, allowing users to easily track the generator's performance, fuel consumption, and overall health. This user-friendly interface simplifies operation and enhances the overall experience for users, whether they are seasoned professionals or first-time operators. Additionally, the generator is fitted with automatic voltage regulation (AVR), which provides stable power output, protecting connected equipment from voltage fluctuations.

Safety is a priority with the Multiquip DCA125USI, as evidenced by its comprehensive set of protection features, including low oil pressure shutdown, high-temperature shutdown, and overload protection. These safety mechanisms ensure the longevity of the engine and the generator's components while safeguarding connected equipment against potential damage.

Another notable characteristic is its large fuel tank, which allows for extended run times, reducing the need for frequent refueling. This feature is particularly beneficial in situations where access to fuel is limited or where continuous operation is critical.

In conclusion, the Multiquip DCA125USI is a versatile and dependable portable diesel generator, catering to a wide variety of applications. Its combination of high output, advanced technology, and robust safety features make it an excellent investment for contractors, event organizers, and anyone in need of reliable power in challenging environments. With this generator, users can have peace of mind knowing they have a powerful energy solution at their disposal.
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