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OperatiOn and p arts Manual
®
MOdel dca25usi
60hz Whisper Watt™ generatOr
(isuzu aa-4le2 diesel engine)
ar p ts list nO. M1871400104
ar p ts list nO. M1871400114c
Revision #3 (07/19/11)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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prOO p sitiOn 65 W arning Diesel engine exhaust and some of page 2 — DCa25Usi 60 hz genera Tor • opera Tion anD par Ts manU al — rev. #3 (07/19/11)
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repOrting afety s 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 in
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t able Of cOntents OM c O p nent dra Wings a cd 25isu 60 h z g enerator 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 Procedure
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p arts Ordering r p Ocedures 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 Specification Information Use the
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afety s nf i OrMatiOn 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 messa
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afety s nf i OrMatiOn 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
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afety s nf i OrMatiOn 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 c
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afety s nf i OrMatiOn 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 towin
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afety s nf i OrMatiOn Make sure power cables are securely connected to the eleCTriCal saFeTY 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 electric
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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 DCA25USI Revolving field, self ventilated, Type drip-proof, single-bearing generator armature Connection star with neutral zigzag phase 3 Single standby output 27.5 kVA (22.0 KW) 15.8 KW prime output 25kVA (20 KW) 14.4 KW power Factor 0.8 1.0 voltage 240 or 480V 240V/120V Frequency 60 Hz speed 1800 rpm aux. aC power Single Phase, 60 Hz aux. voltage/output 4.8 Kw (2.4 kW x 2) Dry Weight 1,808 lbs. (820 kg.) Wet Weight 2,138 lbs. (970 kg.) T
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dM i ensiOns C B D TOPVIEW A E 25 SIDEVIEW FRONTVIEW F Figure 1. Dimensions Table 3. Dimensions reference G Dimension in. (mm) reference letter Dimension in. (mm) letter A 22.64 in. (575 mm.) F 70.47 in. (1,790 mm.) B 20.87 in. (530 mm.) G 49.61 in. (1,260 mm.) C 27.36 in. (695 mm.) H 31.1 in. (790 mm.) D 24.41 in. (620 mm.) E 25.59 in. (650 mm.) H DCa25Usi 60 hz genera Tor • opera Tion anD par Ts manU al — rev. #3 (07/19/11) — page 13
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nst i allatiOn Figure 2. Typical Generator Grounding Application page 14 — DCa25Usi 60 hz genera Tor • opera Tion anD par Ts manU al — rev. #3 (07/19/11)
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nst i allatiOn 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. or shift around. Also install the generator in a manner so Article 250 (Grounding) of the National Electrical Code that the exhaust will not be dis
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eneral g nf i OrMatiOn genera Tor open Del Ta exCiT aTion sYsTem This MQ Power generator (Figure 3) is a high quality This generator is equipped with the state of the art “open- portable (requires a trailer for transport) power source for Delta” excitation system. The open delta system consist telecom sites, lighting facilities, power tools, submersible of an electrically independent winding wound among pumps and other industrial and construction machinery. stationary windings of the AC output
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MajOr cOMO p nents 2 6 O W V U 3 1 4 5 AMP 1000 2000 0 3000 RP M 7 Table 4. generator major Components 8 iTem no . DesCripTion 1 Muffler Assembly 2 Engine Assembly 3 Enclosure Assembly 4 Generator Assembly 5 Output Terminal Assembly 6 Battery Assembly 7 Fuel Tank Assembly 8 Generator Control Panel Assembly 9 Engine Operating Panel Assembly Figure 3. Major Components DCa25Usi 60 hz genera Tor • opera Tion anD par Ts manU al — rev. #3 (07/19/11) — page 17
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enera g tOr cOntrOl p anel 1 INCREASE DECREASE 7 2 V U W 3 OFF 6 V-W U-V W-U OFF 5 4 1000 2000 OPERATION STOP (PRE-HEAT) 0 3000 START RP M Figure 4. Generator Control Panel The definitions below describe the controls and functions Located behind the generator control panel is the Generator of the Generator Control Panel (Figure 4). Control Box. This box contains some of the necessary electronic components required to make the generator 1. voltage regulator Control — Allows ±15% manual functi
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engine Operating anel p 3 8 2 4 INCREASE DECREASE 9 1 5 V U W OFF 10 V-W W-U U-V OFF 11 1000 2000 6 OPERATION STOP 12 (PRE-HEAT) 0 3000 START RP M 7 Figure 5. Engine Operating Panel The definitions below describe the controls and functions 7. ignition switch — Three position switch, stop, operation and start. Insert ignition key to start and stop engine. of the Engine Operating Panel (Figure 5). 8. o il pressure g auge — Normal operation should be 1. panel l ight switch — When activated will t
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Output terMinal anel p a f MiliarizatiOn oUTpUT Terminal p anel oUTpUT Terminal Familiariza Tion The Output Terminal Panel (Figure 6) shown below is The “Output Terminal Panel ” (Figure 6) is provided with located on the right-hand side (left from control panel) of the following: the generator. Lift up on the cover to gain access to Two 120/240V output receptacles @ 50 amp receptacles and terminal lugs. Two Circuit Breakers @ 50 amps NOTICE Two 120V GFCI receptacles @ 20 amp Terminal l
