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OPERATION AND PARTS MANUAL
WHISPERWATT™ SERIES
MODEL DCA300SSC
60HZ GENERATOR
(CUMMINS QSL9-G3 DIESEL ENGINE)
PARTS LIST NO. C2870300204
Revision #0 (06/25/09)
To fi nd the latest revision of this
publication, visit our website at:
www.mqpower.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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PROPOSITION 65 WARNING Diesel engine exhaust and some of PAGE 2 — DCA300SSC GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (06/25/09)
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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 Traffi c 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 fi nds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot become involved in indi
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TABLE OF CONTENTS Component Drawings DCA300SSC Generator Assembly ......................................... 56-59 60 Hz Generator Control Box Assembly. ...................................... 60-63 Proposition 65 warning ............................................ 2 Engine and Radiator Assembly. ........................ 64-67 Reporting Safety Defects ......................................... 3 Engine Operating Panel Assembly. ................... 68-69 Table of Contents ........................
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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 inter
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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 Th
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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 the
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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 resu
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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 vehi
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SAFETY INFORMATION 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 electrical v
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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 com
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SPECIFICATIONS Table 1. Generator Specifi cations Model DCA300SSC Revolving fi eld, self ventilated, Type Drip proof, Single bearing Armature Connection Star with Neutral Phase 3 Standby Output 330 KVA (264 KW) Prime Output 300 KVA (240 KW) Voltage — 1Ø 120,127,139, 240, 254 and 277V Voltage — 3Ø 208, 220, 240, 416, 440 and 480V Frequency 60 Hz Speed 1800 rpm Power Factor 0.8 Aux. AC Power Single Phase, 60 Hz Aux. Voltage/Output 4.8 Kw (2.4 kW x 2) Weight No Fuel 8,644 lbs. (3920 kg) Weight Fuel
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DIMENSIONS Figure 1. Dimensions Table 3. Dimensions Reference Dimension in. (mm) Reference Letter Dimension in. (mm) Letter A 39.76 in. (1,010 mm) F 43.90 in. (1,115 mm) B 43.90 in. (1,115 mm) G 149.61 in. (3,800 mm) C 23.03 in. (585 mm.) H 70.87 in. (1,800 mm) D 25.20 in. (640 mm) I 55.12 in. (1,400 mm) E 39.76 in. (1,010 mm) DCA300SSC GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (06/25/09) — PAGE 13
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INSTALLATION Figure 2. Typical Generator Grounding Application PAGE 14 — DCA300SSC GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (06/25/09)
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INSTALLATION OUTDOOR INSTALLATION GENERATOR 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 EARTH 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 discharge
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GENERAL INFORMATION GENERATOR OPEN DELTA EXCITATION SYSTEM The MQ Power Model DCA300SSC is a generator (Figure The DCA300SSC generator is equipped with the state of 3) that is designed as a high quality portable (requires a the art “Open-Delta” excitation system. The open delta trailer for transport) power source for telecom sites, lighting system consist of an electrically independent winding facilities, power tools, submersible pumps and other wound among stationary windings of the AC outp
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MAJOR COMPONENTS Table 4. Generator Major Components ITEM NO. DESCRIPTION 1 Muffl er 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 DCA300SSC GENERATOR • OPERATION AND PARTS MANUAL — REV. #0 (06/25/09) — PAGE 17
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GENERATOR CONTROL PANEL Figure 4. Generator Control Panel The defi nitions below describe the controls and functions the controller will shutdown the engine by initializing of the DCA300SSC Generator Control Panel (Figure 4). the Over Speed Protection mode. 1. Pilot Lamp — Indicates the system is running. 5. Main Circuit Breaker — This three-pole, 800 amp main breaker is provided to protect the U,V, and W 2. Panel Light — Normally used in dark areas or at night Output Terminal Lugs from overl
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GENERATOR CONTROL PANEL MPEC Control Switch — This switch controls the The Control Box is equipped with the following major running of the unit. If this switch is set to the OFF/RESET components: position, the unit will not run. When this switch is set to the Over-Current Relay manual position, the generator will start immediately. Voltage Rectifi er (AVR) If the generator is to be connected to a building’s AC power source via a transfer switch (isolation), place the Starter Relay sw
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ENGINE OPERATING PANEL 1 2 9 3 4 5 6 7 8 WATER TEMP. OIL PRESS. FUEL LEVEL AIR FILTER COOLANT LEVEL ON OFF Figure 5. Engine Operating Panel The defi nitions below describe the controls and functions to the MANUAL position to start the engine, the of the DCA300SSC Engine Operating Panel (Figure 5). lamp will be lit. When the oil pressure rises after start-up the lamp will go OFF. If this lamp is ever 1. Tachometer — Indicates engine speed in RPM’s for 60 lit (ON) during normal operation of the
