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OperatiOn and p arts Manual
Whisper Watt™ series
MOdel dca20spxu2
60hz generatOr
(isuzu BV-4le2 diesel engine)
Used with ML t20 series Light towers onL y
parts list nO. M1870301404
Revision #0 (01/18/13)
To find the latest revision of this
publication, visit our website at:
www.mqpower.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
pn 49840
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prOpOsitiOn 65 W arning Diesel engine exhaust and some of page 2 — DCa20spxu2 (wiTh Ml T20 series) • opera Tion anD par Ts Manual — rev. #0 (01/18/13)
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repOrting safety defects If you believe that your vehicle has a defect that could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Multiquip at 1-800-421-1244. If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in ind
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t aBle Of cOntents dca20spxu2 60 hz generator omponent c drawings Proposition 65 Warning ........................................... 2 Generator Assembly ......................................... 50-51 Reporting Safety Defects ......................................... 3 Control Box Assembly. ...................................... 52-55 Table Of Contents .................................................... 4 Engine And Radiator Assembly ........................ 56-59 Parts Ordering Procedures ...
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parts Ordering prOcedures Ordering parts has never been easier! choose from three easy options: Effective: st January 1 , 2006 Best Deal! order via internet (Dealers only) : If you have an MQ Account, to obtain a Username Order parts on-line using Multiquip’s SmartEquip website! and Password, E-mail us at: parts@multiquip. com. View Parts Diagrams To obtain an MQ Account, contact your Order Parts District Sales Manager for more information. Print Specifi cation Information Use the int
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safety infOrMatiOn Do not operate or service the equipment before reading the Potential hazards associated with the operation of this entire manual. Safety precautions should be followed at all equipment will be referenced with hazard symbols which times when operating this equipment. Failure to read and may appear throughout this manual in conjunction with understand the safety messages and operating instructions safety messages. could result in injury to yourself and others. saFeTY Messages
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safety infOrMatiOn never use accessories or attachments that are not general saFeTY recommended by MQ Power for this equipment. Damage CauTion to the equipment and/or injury to user may result. never operate this equipment without proper protective alwaYs know the location of the nearest clothing, shatterproof glasses, respiratory protection, fi re extinguisher. hearing protection, steel-toed boots and other protective alwaYs know the location of the nearest devices required by
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safety infOrMatiOn engine saFeTY NOTICE Danger never run engine without an air fi lter or with a dirty air fi lter. Severe engine damage may occur. Service air fi lter The engine fuel exhaust gases contain poisonous carbon frequently to prevent engine malfunction. monoxide. This gas is colorless and odorless, and can cause death if inhaled. never tamper with the factory settings of the engine or engine governor. Damage The engine of this equipment to the engine or equipment can
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safety infOrMatiOn Make sure the hitch and coupling of the towing vehicle Fuel saFeTY are rated equal to, or greater than the trailer “gross Danger vehicle weight rating.” Do noT start the engine near spilled fuel or combustible alwaYs inspect the hitch and coupling for wear. never fl uids. Diesel fuel is extremely fl ammable and its vapors tow a trailer with defective hitches, couplings, chains, etc. can cause an explosion if ignited. Check the tire air pressure on both towing v
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safety infOrMatiOn eleCTriCal saFeTY Make sure power cables are securely connected to the generator’s output receptacles. Incorrect connections Danger may cause electrical shock and damage to the generator. Do noT touch output terminals during operation. Contact with output terminals NOTICE during operation can cause electrocution, alwaYs make certain that proper power or extension electrical shock or burn. cord has been selected for the job. See Cable Selection The electrical
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safety infOrMatiOn BaTTerY saFeTY environMenTal saFeTY Danger NOTICE Do noT drop the battery. There is a possibility that the Dispose of hazardous waste properly. battery will explode. Examples of potentially hazardous waste are used motor oil, fuel and fuel fi lters. Do noT expose the battery to open fl ames, sparks, cigarettes, etc. The battery contains Do noT use food or plastic containers to combustible gases and liquids. If these dispose of hazardous waste. gases and liquids c
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specificatiOns Table 1. generator specifications Model DCA-20SPXU2 Revolving field, self ventilated, Type open protected type synchronous generator armature Connection Series phase Single-Phase 3-Wire standby output 22 kW (27.5 kVA) prime output 20 kW (25.0 kVA) voltage 120/240V Frequency 60 Hz speed 1800 rpm power Factor 1.0 aux. aC power Single Phase, 60 Hz sound level db (a) full load 63 at 23 ft. (7 meters) weight (no Fuel) 1,412 lbs. (640 kg.) weight (Fuel) 2,012 lbs. (913 kg.) Table 2. e
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diMensiOns B C D TOPVIEW E A 20 SIDEVIEW F FRONTVIEW Figure 1. Dimensions Denyo G Table 3. Dimensions reference Dimension in. (mm) reference letter Dimension in. (mm) letter A 21.06 in. (535 mm.) F 72.83 in. (1,850 mm.) B 21.06 in. (535 mm.) G 39.37 in. (1,000 mm.) C 24.21 in. (615 mm.) H 29.53 in. (750 mm.) H D 26.38 in. (670 mm.) E 25.00 in. (635 mm.) DCa20spxu2 (wiTh Ml T20 series) • opera Tion anD par Ts Manual — rev. #0 (01/18/13) — page 13
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installatiOn GENERATOR GROUND LUG GROUND ROD FOR EARTH GROUND. CONNECT TO BUILDING GROUND IF APPLICABLE GROUND CABLE REFERENCE NEC 250-83 (C) Figure 2. Typical Generator Grounding Application page 14 — DCa20spxu2 (wiTh Ml T20 series) • opera Tion anD par Ts Manual — rev. #0 (01/18/13) 8’ (MINIMUM)
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installatiOn ouTDoor insT alla Tion genera Tor grounDing Install the generator in a area that is free of debris, To guard against electrical shock and possible damage to bystanders, and overhead obstructions. Make sure the the equipment, it is important to provide a good ear Th generator is on secure level ground so that it cannot slide ground (Figure 2). or shift around. Also install the generator in a manner so Article 250 (Grounding) of the National Electrical Code that the exhaust will n
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general infOrMatiOn genera Tor open Del Ta exCiT aTion sYsTeM The MQ Power Model DCA20SPXU2 generator (Figure 3) This generator is equipped with the state of the art “open- is a high quality portable (requires a trailer for transport) Delta” excitation system. The open delta system consist power source for telecom sites, lighting facilities, power of an electrically independent winding wound among tools, submersible pumps and other industrial and stationary windings of the AC output section. c
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MajOr cOMpOnents 1 20 U O V 2 3 4 20 U O V 5 7 6 8 Table 4. generator Major Components iTeM no . DesCripTion 1 Output Terminal Assembly 2 Output Receptacles Assembly AUTO MANUAL OFF/RESET HIGH COOLANT LOW OIL PRESSURE TEMPERATURE OVERCRANK OVERSPEED ENGINE RUNNING 3 Muffler Assembly MOOOOO-20001Q 4 Air Filter Assembly 5 Battery Assembly 10 9 6 Generator Assembly 7 Engine Assembly 8 Circuit Breaker Assembly 9 Engine Control Panel Assembly 10 Generator Control Panel Assembly Figure 3. Major Compon
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generatOr cOntrOl p anel 4 2 INCREASE DECREASE HZ 3 V 1 5 A U W AUTO MANUAL OFF/RESET OFF LOWOILPRESSURE HIGHCOOLANTTEMPERATURE OVERCRANK OVERSPEED ENGINERUNNING MOOOOO-20001Q 6 V 1000 2000 0 3000 RPM Figure 4. Generator Control Panel he definitions below describe the controls and functions of Located behind the generator control panel is the Generator the Generator Control Panel (Figure 4). Control Box. This box contains some of the necessary electronic components required to make the generat
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nOtes p anel DCa20spxu2 (wiTh Ml T20 series) • opera Tion anD par Ts Manual — rev. #0 (01/18/13) — page 19
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engine cOntrOl p anel 6 1 INCREASE DECREASE 7 HZ 2 8 V 3 A U W AUTO MANUAL OFF/RESET OFF LOWOILPRESSURE HIGHCOOLANTTEMPERATURE 9 OVERCRANK OVERSPEED ENGINERUNNING 4 MOOOOO-20001Q V 1000 2000 0 3000 5 RPM Figure 5. Engine Control Panel page 20 — DCa20spxu2 (wiTh Ml T20 series) • opera Tion anD par Ts Manual — rev. #0 (01/18/13)
