Multiquip DCA250SSIU Outdoor Installation, Indoor Installation, Mounting, Generator Grounding

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INSTALLATION

OUTDOOR INSTALLATION

Install the generator in a area that is free of debris, bystanders, and overhead obstructions. Make sure the generator is on secure level ground so that it cannot slide or shift around. Also install the generator in a manner so that the exhaust will not be discharged in the direction of nearby homes.

The installation site must be relatively free from moisture and dust. All electrical equipment should be protected from excessive moisture. Failure to do will result in deterioration of the insulation and will result in short circuits and grounding.

Foreign materials such as dust, sand, lint and abrasive materials have a tendency to cause excessive wear to engine and alternator parts.

CAUTION

Pay close attention to ventilation when operating the generator inside tunnels and caves.The engine exhaust contains noxious elements. Engine exhaust must be routed to a ventilated area.

INDOOR INSTALLATION

Exhaust gases from diesel engines are extremely poisonous. Whenever an engine is installed indoors the exhaust fumes must be vented to the outside. The engine should be installed at least two feet from any outside wall. Using an exhaust pipe which is too long or too small can cause excessive back pressure which will cause the engine to heat excessively and possibly burn the valves.

MOUNTING

The generator must be mounted on a solid foundation (such as concrete) and set fi rmly on the foundation to isolate vibration of the generator when it is running.The generator must set at least 6 inches above the fl oor or grade level (in accordance to NFPA 110, Chapter 5-4.1). DO NOT remove the metal skids on the bottom of the generator. They are to resist damage to the bottom of the generator and to maintain alignment.

GENERATOR GROUNDING

To guard against electrical shock and possible damage to the equipment, it is important to provide a good EARTH ground.

Article 250 (Grounding) of the National Electrical Code (NEC) provides guide lines for proper grounding and specifi es that the cable ground shall be connected to the grounding system of the building as close to the point of cable entry as practical.

NEC articles 250-64(b) and 250-66 set the following grounding requirements:

1.Use one of the following wire types to connect the generator to earth ground.

a.Copper - 8 AWG (5.3 mm2)

b.Aluminum - 6 AWG (8.4 mm2)

2.When grounding the generator (Figure 2) connect the ground cable between the lock washer and the nut on the generator and tighten the nut fully. Connect the other end of the ground cable to earth ground.

3.NEC article 250-52(c) specifies that the earth ground rod should be buried a minimum of 8 ft. into the ground.

NOTICE

When connecting the generator to any buildings electrical system ALWAYS consult with a licensed electrician.

DCA250SSI/DCA250SSIU GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (01/12/11) — PAGE 15

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Contents This Manual Must Accompany the Equipment AT ALL Times Model DCA250SSI Model DCA250SSIUProposition 65 Warning Nhtsa Reporting Safety DefectsDCA250SSI/DCA250SSIU 60HZ Generators Table of ContentsOrdering parts has never been easier Parts Ordering ProceduresSafety Messages Safety InformationGeneral Safety Generator Safety Always know the location of the nearest Before servicing equipment Engine SafetyFrom fuel vapors or if fuel is spilled on a hot engine Fuel SafetyTowing Safety  Never use fuel as a cleaning agentDevice. All installations should be Electrical SafetyGrounding Safety Power Cord/Cable SafetyEnvironmental Safety Battery SafetyDCA250SSI/DCA250SSIU SpecificationsDimensions DimensionsTypical Generator Grounding Application InstallationGenerator Grounding Outdoor InstallationIndoor Installation MountingGeneral Information Item no Major ComponentsPilot Lamp Indicates the system is running Generator Control PanelOwing from the U,V, and W Output Terminal Lugs to the load Engine Operating Panel Air Filter Alarm When the air fi lterPage Output Terminal Panel Familiarization Output Terminal FamiliarizationTerminal legs O and Ground are considered bonded grounds 240V Twist-Lock Auxiliary Receptacles VAC Gfci ReceptaclesOver Current Relay Connecting LoadsSingle Phase Load Three Phase LoadLoad Application Generator Amperage Maximum Amps Generator OutputsGenerator Output Voltages Voltage Change-Over BoardAC Ammeter Gauge Reading HOW to Read the AC Ammeter and AC Voltage GaugesGenerator OUTPUTS/GAUGE Reading AC Voltmeter Gauge Reading1Ø-240V Uvwo Terminal Output Voltages Output Terminal Panel ConnectionsUvwo Terminal Output Voltages 3Ø-240V Uvwo Terminal Output Voltages3Ø-480V Uvwo Terminal Output Voltages 1Ø-480V Uvwo Terminal Output Voltages1Ø-277V Uvwo Terminal Output Voltages Fuel Check INSPECTION/SETUPCircuit Breakers Lubrication OILOnly use #2 diesel fuel when refueling Refueling ProcedureOperation in Freezing Weather Cleaning the RadiatorAIR Cleaner FAN Belt Tension Coolant ANTIFREEZE/SUMMER COOLANT/ WaterAlternator BatteryBattery Cable Installation WiringGenerator START-UP Procedure Manual Before StartingStarting Manual Frequency Meter Starting Auto Mode Generator START-UP Procedure Auto ModeNever stop the engine suddenly except in an emergency Generator SHUT-DOWN ProceduresNormal Shutdown Procedure Emergency Shutdown ProcedureMaintenance General Inspection AIR CleanerAir Cleaner with Dust Indicator Fuel Addition Fuel Tank InspectionAIR Removal Flushing OUT Radiator and Replacing Coolant Radiator CleaningCheck OIL Level Replacing Oil FilterBattery Charger and Jacket Water Heater Power Connections Trailer Maintenance Trailer MaintenanceCoupler Type of hitch used on the trailer for towing Actuator Brake AdjustmentBrakes Hydraulic Surge BrakesTIRES/WHEELS/LUG Nuts Tire Wear/InflationSuspension Never use an pneumatic air gun to tighten wheel lug nuts Lug Nut Torque RequirementsTrailer/Towing Vehicle Wiring Diagram Trailer Wiring DiagramGenerator Wiring Diagram Generator Wiring DiagramEngine Wiring Diagram Engine Wiring DiagramController Wiring Diagram Controller Wiring DiagramTroubleshooting Generator Adjust governor controller Troubleshooting Engine ControllerClean/repair radiator grill Adjust governor actuatorMethod of Operation Troubleshooting Diagnostic LampPage Explanation of Code in Remarks Column Sample Parts ListTo 3 units Suggested Spare PartsGenerator Assy 0601823282 C1110100802Includes Items W/# 0601842334Generator Assy 20A 952404470 C1154400103C1132300114 0340406040Engine Operating Panel Assy 0176060030 C3351100603M5351100103 0019206015Control BOX Assy M7030041000Q M52140000020601809667 011808015Control BOX Assy 8980137900 89721777807538070 8980056310Control BOX Assy 0601802149 06018022040027103020 0601806671Engine and Radiator Assy 1132402322 M59242000041136714730 8980088400Engine and Radiator Assy 0605515170 01999003500199900650 0193602300Output Terminal Assy M9220100914 C2231700403M5230700003 C0277500004Output Terminal Assy C2237101204 00300120000845043704 M9210000204Battery ASSY. DCA250SSI 7612252004 0165511551C9109100604 3972250004Battery ASSY. DCA250SSU 0602220921 0602220196M9310500404 M9104000004Muffler Assy C1334200304 M5331100002M5334000003 1141451920Fuel Tank Assy 0605505070 C1364002103M5364000002 0605505025Fuel Tank Assy 25C 021112140 001011008025A 0040010000 25B 031110160Enclosure Assy M1413400004 M5414000002M5414000102 C3414100104Enclosure Assy M5443600004 M5444200003M5444200103 8225147004Enclosure Assy 52A M5494400404 51B 0401450080M5454100003 52A C1494407404Rubber Seals Assy Rubber Seal Nameplate and Decals ASSY. DCA250SSI Control BOX Group Nameplate and Decals ASSY. -DCA250SSI Battery Group Nameplate and Decals ASSY. DCA250SSIU M5550000303 Nameplate and Decals ASSY. -DCA250SSIU Decal Document BOX Located Freight Policy Terms and Conditions of Sale PartsPage HERE’S HOW to GET Help
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DCA250SSIU, DCA250SSI specifications

The Multiquip DCA250SSI and DCA250SSIU are powerful diesel generators designed to meet the demanding energy needs of various industries. These models are specifically engineered for reliability, efficiency, and performance, making them suitable for commercial applications, construction sites, and emergency backup power.

One of the standout features of both the DCA250SSI and DCA250SSIU is their impressive power output. Each model is capable of delivering 250 kVA, allowing users to run multiple equipment and tools simultaneously without worrying about power shortages. This makes them ideal for large-scale operations where consistent power is critical.

Both generators are equipped with a robust industrial-grade engine, ensuring long-lasting performance and durability. The DCA250SSI features a Kohler 4038T, whereas the DCA250SSIU includes a Yanmar engine. These engines are designed to operate efficiently under heavy loads while minimizing fuel consumption. The advanced design helps reduce emissions, making these models environmentally friendly.

The DCA250SSI and DCA250SSIU come with a sound-attenuated enclosure, which significantly reduces noise levels during operation. This design makes them suitable for use in urban settings or noise-sensitive environments, allowing businesses to comply with regulations without compromising on power supply.

Furthermore, both models integrate advanced technologies to enhance user experience. The digital controller allows for easy monitoring and control of the generator's performance, providing crucial information such as voltage, frequency, and engine parameters in real-time. This feature helps operators stay informed of the system's status and facilitates timely maintenance when needed.

Safety is another critical consideration in the design of these generators. The DCA250SSI and DCA250SSIU include a comprehensive range of safety features, such as low oil pressure shutdown, high-temperature shutdown, and overcurrent protection, ensuring reliable operation while safeguarding against potential hazards.

Versatility is key with these models. They can be configured for both single-phase and three-phase output, catering to diverse energy requirements across different applications. Additionally, their compact design makes them easy to transport and install, further enhancing their appeal for rental companies and on-the-go operations.

In conclusion, the Multiquip DCA250SSI and DCA250SSIU stand out in the generator market with their blend of power output, fuel efficiency, noise reduction, and advanced technologies. Their robust design and safety features make them a reliable choice for a wide array of industries, offering peace of mind and consistent energy wherever it's needed.