Multiquip dca25USI2 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 firmly on the foundation to isolate vibration of the generator when it is running.The generator must set at least 6 inches above the floor 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 specifies 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.

DCA25usi2 60 hz Generator • operation and parts manual — rev. #0 (02/04/14) — page 15

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Contents Model dca25USI2 Proposition 65 warning Administrator Reporting Safety DefectsDCA25USI2 60 Hz Generator Table of ContentsChoose from three easy options SaFetY messages Safety InformationGenerator Safety General saFetYIf operating in speed ranges above the maximum allowable Restricted. If the air fl ow isFUel saFetY „ never use fuel as a cleaning agentFrom fuel vapors or if fuel is spilled on a hot engine BatterY saFetY EleCtriCal saFetYPower Cord/Cable safety Grounding SafetyLabel must remain with the engine for its entire life Environmental saFetY/DeCommissioningEmissions inFormation Emission Control labelDCA25USI2 SpecificationsDimensions DimensionsTypical Generator Grounding Application InstallationGenerator Grounding Outdoor InstallationIndoor Installation MountingGeneral Information Item no Major ComponentsGenerator Control Panel Generator Control PanelFuel Gauge Indicates amount of diesel fuel available Engine Operating PanelOutput Terminal Panel is provided with the following Output Terminal Panel FamiliarizationOutput Terminal Familiarization Terminal legs O and Ground are considered bonded groundsVAC Gfci Receptacles Removing the Plastic Face Plate Hard Wire Hookup PanelOver Current Relay Connecting LoadsSingle Phase Load Three Phase LoadLoad Application Generator Outputs AC Ammeter Gauge Reading How to Read the ac ammeter and ac voltage gaugesGenerator OUTPUTS/gauge reading AC Voltmeter Gauge Reading3Ø-208V/1Ø-120V Uvwo Terminal Output Voltages Output Terminal Panel ConnectionsUvwo Terminal Output Voltages 3Ø-240/139 Uvwo Terminal Output Voltages1Ø-240/120V Uvwo Terminal Output Voltages 3Ø-480/277V Uvwo Terminal Output VoltagesFuel 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 WiringEngine’s exhaust contains harmful emissions Generator START-UP ProcedureBefore Starting StartingCoolant Temperature Gauge Never 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 Tank Inspection Cleaning Inside the Fuel TankFuel Addition Removing Water from the Fuel TankFlushing Out Radiator and Replacing Coolant Radiator CleaningCheck Oil Level Replacing Oil FilterTrailer 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 DiagramTroubleshooting Generator Explanation of Code in Remarks Column To 3 units Suggested Spare PartsGenerator Assy 8001070003 B11102006027961025004 0601822630Control box Assy 0601807520 M1213001002M1213001012 0601808820Control box Assy 0601808985 AC Meter ~50A/100A5A1 0601801040 M1223000603M1223000613 0601807641Engine and Radiator Assy M1305200304 M19232001248972309390 2944566410Engine and Radiator Assy 0605511399 06033002850603300286 060551139512A 11B 11A 13B 13C 13A 24A 25A Output Terminal Assy0039308000 M1230700003M9220000004 M9220000104Battery Assy 0602220920 0602220185M9310500014 M9103000304Muffler Assy M1333003013 M1330000512M1333200304 M1333300204Fuel Tank Assy 0605516090 M13650003020605505070 060550107172A 54A 56A 59A 56B 58A 52A Enclosure Assy0603306797 M1413003402M1419300504 M1415100202Enclosure Assy M1443400103 0207006000M1443302203 34A M1493305104Enclosure Assy 53B M1495501004 52A M1493410104M1453004903 53A M1493409904Rubber Seals Assy REMArks Nameplate and Decals Assy M11030100 M1510300902M11030090 M1510301002Freight Policy Terms and Conditions of Sale PartsPage HERE’S HOW to GET Help

dca25USI2 specifications

The Multiquip DCA25USI2 is a powerful and versatile portable generator designed for a range of applications in construction, events, and emergency power supply. This model is particularly noted for its durability and reliability, making it an excellent choice for both professionals and DIY enthusiasts.

At the heart of the DCA25USI2 is a robust 25 kW output, giving users plenty of power to run multiple tools, equipment, or systems simultaneously. This generator operates on a powerful water-cooled diesel engine, which not only enhances fuel efficiency but also extends the lifecycle of the machine compared to traditional gas-powered generators. The use of diesel fuel contributes to lower operational costs and makes it suitable for longer usage periods, particularly in remote locations.

One of the standout features of the DCA25USI2 is its compact design. Despite its high power output, this generator maintains a relatively small footprint, allowing for easy transportation and storage. Weighing around 1,800 pounds, it is fitted with a robust frame that provides durability while facilitating easy placement at job sites or outdoor events.

The generator is equipped with advanced noise reduction technology, ensuring that it operates quietly, which is crucial when working in residential areas or noise-sensitive environments. The sound-dampening enclosure significantly lowers operating noise levels, enhancing the overall user experience.

In terms of electrical output, the DCA25USI2 offers multiple options, including both single-phase and three-phase connections. This versatility allows users to power a variety of applications without needing additional adaptors. Moreover, the generator’s heavy-duty alternator ensures stable power delivery, protecting sensitive electronic devices from voltage spikes.

Another key characteristic of the DCA25USI2 is its user-friendly control panel, which features intuitive gauges and circuit breakers for easy management of power distribution. The panel includes a digital hour meter, allowing operators to track usage and plan for maintenance efficiently.

Safety features are also a priority with the DCA25USI2, including automatic shutdown capabilities to protect the engine against low oil levels and overheating. This thoughtful design helps to ensure both the performance and longevity of the generator.

In summary, the Multiquip DCA25USI2 stands out for its powerful output, efficient diesel engine, compact design, and advanced features, making it a top choice for anyone in need of reliable portable power. Whether for construction, events, or emergency backup, this generator is engineered to deliver exceptional performance and peace of mind.
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