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DCA20SPXU4F • OPERATION MANUAL — REV. #3 (09/18/19) — PAGE 41

GENERATOR WIRING DIAGRAM

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Содержание WHISPERWATT DCA20SPXU4F

Страница 1: ...lication or associated parts manual visit our website at www mqpower com OPERATION MANUAL THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES WHISPERWATT SERIES MODEL DCA20SPXU4F 60Hz GENERATOR ISUZU 4LE2T DIESEL ENGINE Revision 3 09 18 19 ...

Страница 2: ...PAGE 2 DCA20SPXU4F OPERATION MANUAL REV 3 09 18 19 PROPOSITION 65 WARNING ...

Страница 3: ...Panel Familiarization 18 20 Load Application 21 AC Ammeter Gauge Reading 22 Output Terminal Panel Connections 23 24 Inspection Setup 25 27 Generator Start Up Procedure Manual Mode 28 30 Generator Start Up Procedure Auto Mode 31 Generator Shut Down Procedures 32 Maintenance 33 36 Troubleshooting Diagnostics 37 Troubleshooting Generator 38 Troubleshooting Engine 39 40 Generator Wiring Diagram 41 Eng...

Страница 4: ...ages specifically address the level of exposure to the operator and are preceded by one of four words DANGER WARNING CAUTION or NOTICE SAFETY SYMBOLS DANGER Indicates a hazardous situation which if not avoided WILL result in DEATH or SERIOUS INJURY WARNING Indicates a hazardous situation which if not avoided COULD result in DEATH or SERIOUS INJURY CAUTION Indicates a hazardous situation which if n...

Страница 5: ...ded by MQ Power for this equipment Damage to the equipment and or injury to user may result ALWAYS know the location of the nearest fire extinguisher ALWAYS know the location of the nearest first aid kit ALWAYS know the location of the nearest phone or keep a phone on the job site Also know the phone numbers of the nearest ambulance doctor and fire department This information will be invaluable in...

Страница 6: ...amper with the factory settings of the engine or engine governor Damage to the engine or equipment can result if operating in speed ranges above the maximum allowable Wet stacking is a common problem with diesel engines which are operated for extended periods with light or no load applied When a diesel engine operates without sufficient load less than 40 of the rated output it will not operate at ...

Страница 7: ...ndition ALWAYS shutdown engine before transporting Make sure the hitch and coupling of the towing vehicle are rated equal to or greater than the trailer gross vehicle weight rating ALWAYS inspect the hitch and coupling for wear NEVER tow a trailer with defective hitches couplings chains etc Check the tire air pressure on both towing vehicle and trailer Trailer tires should be inflated to 50 psi co...

Страница 8: ...pect for cuts in the insulation NEVER grab or touch a live power cord or cable with wet hands The possibility exists of electrical shock electrocution or death Make sure power cables are securely connected to the generator s output receptacles Incorrect connections may cause electrical shock and damage to the generator NOTICE ALWAYS make certain that proper power or extension cord has been selecte...

Страница 9: ...uipment is over remove battery and bring to appropriate facility for lead reclamation Use safety precautions when handling batteries that contain sulfuric acid When the life cycle of this equipment is over it is recommended that the trowel frame and all other metal parts be sent to a recycling center Metal recycling involves the collection of metal from discarded products and its transformation in...

Страница 10: ...E2T Tier 4 Certified Type 4 Cycle water cooled direct injection charged air cooled EGR DOC No of Cylinders 4 cylinders Bore x Stroke 3 35 in x 3 78 in 85 mm x 96 mm Displacement 133 cu in 2 179 liter Rated Output 33 5 HP at 1800 rpm Starting Electric Coolant Capacity 2 3 gal 8 8 liters 1 Lube Oil Capacity 2 8 gal 10 5 liters 2 LubricatingType Oil API service class CJ 4 SAE or JASO DH 2 FuelType 2 ...

Страница 11: ...PAGE 11 DIMENSIONS 20 3 240 lbs 1 470 kg Table 3 Dimensions Reference Letter Dimension in mm Reference Letter Dimension in mm A 22 91 582 E 22 36 568 B 21 73 552 F 71 65 1 820 C 22 36 568 G 49 61 1 260 D 26 38 670 H 31 10 790 Figure 1 Dimensions ...

Страница 12: ...Electrical and Safety Codes for proper connection based on condition of use EXAMPLEofhowtogroundtheunitifthecondition of use requires such a device The ground terminal on the generator should always be used to connect the generator to a suitable ground when required The ground cable should be 8 size wire aluminum minimum If copper wire is used 10 size wire minimum should be used Connect one end of...

Страница 13: ... to resist damage to the bottom of the generator and to maintain alignment 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 GENERATOR GROUNDING If applicable to guard against electrical shock and possible damage to the equipment it is important to provide ...

Страница 14: ...ions of A to B A to D and C to D These three phases of the voltage input to the voltage regulator are then rectified and are the excitation current for the exciter section When a heavy load such as a motor starting or a short circuit occurs the automatic voltage regulator AVR switches the configuration of the open delta to the series connection of B to C This has the effect of adding the voltages ...

Страница 15: ... 8 10 11 5 Table 4 Generator Major Components ITEM NO DESCRIPTION 1 Muffler Assembly 2 Output Terminal Board Assembly 3 Emergency Stop Switch Assembly Option 4 Generator Assembly 5 Output Terminal Panel Assembly 6 Battery Assembly 7 Engine Assembly 8 Fuel Tank Assembly 9 Gauge Unit Assembly 10 Generator Control Panel Assembly 11 Circuit Breaker Assembly Figure 3 Major Components ...

Страница 16: ... Panel Low Oil Pressre High temp Over Crank Over Speed Engine Started ECU Intergrated Gauge Control R Low Oil Pressre High temp Over Crank Over Speed Engine Started ECU Intergrated Gauge Control R 2 3 4 5 6 9 7 8 10 11 12 15 14 13 F F Warning LEDs Low Oil Pressure LED This LED will light when the engine oil pressure drops to 14 2 psi 98 kPa This condition will cause the engine to shut down High Te...

Страница 17: ... When the Auto Start Stop Switch is placed in the manual position this lamp will illuminate to indicate preheating of the engine glow plugs When the lamp turns off this indicates that the preheat cycle is complete and the engine can be started 11 Auto Start Stop Switch This switch selects either manual or automatic operation Center position is OFF reset 12 Engine Speed Switch This switch controls ...

Страница 18: ...e 5 is provided with the following Two 120 240 output receptacles 50 amps Two Aux Circuit Breakers 50 amps Two 120V GFCI receptacles 20 amp Two GFCI Circuit Breakers 20 amps Four Output Terminal Lugs U O V and Ground AUX POWER RECEPTACLES 120 240V 50 AMPS 120 VAC 20 AMP GFCI RECEPTACLES Y X W CS 6369 TWIST LOCK CIRCUIT BREAKERS FOR GFCI RECEPTACLES RECEPTACLE AND CIRCUIT BREAKER PANEL HARD WIRE HO...

Страница 19: ...eptacles Figure 7 provided on the output terminal panel These receptacles can only be accessed when the main and auxiliary circuit breakers are in the ON position Figure 7 120 240V Twist Lock Auxiliary Receptacles Each auxiliary receptacle is protected by a 50 amp circuit breaker These breakers are located directly above the GFCI receptacles Remember the load output current on all three receptacle...

Страница 20: ... LOCK RECEPTACLES U O V AC OUTPUT TERMINALS Over Current Relay An over current relay Figure 11 is connected to the main circuit breaker In the event of an overload both the circuit breaker and the over current relay may trip If the circuit breaker can not be reset the reset button on the over current relay must be pressed The over current relay is located in the control box Figure 11 Over Current ...

Страница 21: ... approximate wattage may be determined by multiplying nameplate voltage by the nameplate amperage Table 5 Power Factor By Load Type of Load Power Factor Single phase induction motors 0 4 0 75 Electric heaters incandescent lamps 1 0 Fluorescent lamps mercury lamps 0 4 0 9 Electronic devices communication equipment 1 0 Common power tools 0 8 Aninadequatesizeconnectingcablewhichcannotcarrythe require...

Страница 22: ...ided to help observe how much power is being supplied produced at the UVO terminal lugs AC Ammeter Gauge Reading Place the AC Ammeter Change Over Switch Figure 12 in the U position and observe the current reading load drain on the U terminal as indicated on the AC Ammeter Gauge This process can be repeated for terminal V Figure 12 Current Reading Load Drain NOTICE The ammeter gauge will only show ...

Страница 23: ...ulator adjustment knob whenever fine tuning of the output voltage is required Figure 14 Voltage Regulator Knob U O V BLACK RED WHITE GREEN GROUND CONNECTION BE USED AT ALL TIMES MUST 240V SINGLE PHASE 240 VAC LOAD CONNECTIONS 1Ø 120 OutputTerminal Voltage Voltage 1 Connect the load wires to the output terminal lugs as shown in Figure 15 Figure 15 Output Terminal Lugs 1Ø 120V Connections 2 Turn the...

Страница 24: ...he oil drain plug and refill with the specified amount of oil as outlined in the Isuzu Engine Owner s Manual Oil should be warm before draining Delo engine oil is the recommended engine oil for this generator When replacing engine oil please refill using Delo 400 LE SAE 15W 40 API CJ 4 engine oil Table 7 Recommended Motor Oil FUEL CHECK Refilling the Fuel System This generator has an internal fuel...

Страница 25: ...n be pumped into the tank Level Ground Unlevel Ground Level Ground Unlevel Ground DO NOT fill on unlevel ground 300 20 NOTICE ONLY use 2 diesel fuel when refueling 5 NEVER overfill fuel tank It is important to read the fuel gauge when filling trailer fuel tank DO NOT wait for fuel to rise in filler neck Figure 20 Figure 20 Full Fuel Tank Figure 21 Fuel Expansion COOLANT ANTIFREEZE SUMMER COOLANT W...

Страница 26: ...s than 50 FAN BELTTENSION A slack fan belt may contribute to overheating or to insufficient charging of the battery Inspect the fan belt for damage and wear and adjust it in accordance with theJohn Isuzu Engine Owner s Manual The fan belt tension is proper if the fan belt bends 10 to 15 mm Figure 22 when depressed with the thumb as shown below Figure 22 Fan Belt Tension BATTERY This unit is of neg...

Страница 27: ...econnect negative terminal LAST POSITIVE NEGATIVE ALTERNATOR The polarity of the alternator is negative grounding type When an inverted circuit connection takes place the circuit will be in short circuit instantaneously resulting the alternator failure DO NOT put water directly on the alternator Entry of water into the alternator can cause corrosion and damage the alternator WIRING Inspect the ent...

Страница 28: ...ngine speed switch Figure 27 in the LOW down position Figure 27 Engine Speed Switch Low 3 Place the Auto Off Reset Manual Switch in the MANUAL position to start the engine Figure 28 Figure 28 Auto Off Reset Manual Switch Manual Position 4 Depending on the temperature of the coolant cold weather conditions the pre heat lamp Figure 29 will light ON and remain on until the pre heating cycle has been ...

Страница 29: ...e zero amps with no load applied When a load is applied the ammeter will indicate the amount of current that the load is drawing from the generator Figure 34 Ammeter No Load 12 The engine oil pressure gauge Figure 35 will indicate the oil pressure of the engine Under normal operating conditions the oil pressure is approximately 50 psi 345 kPa Figure 35 Oil Pressure Gauge 13 The coolant temperature...

Страница 30: ... Circuit Breakers ON 16 Observe the generator s ammeter Figure 39 and verify it reads the anticipated amount of current with respect to the load The ammeter will only display a current reading if a load is in use Figure 39 Ammeter Load 17 The generator will run until manually stopped or an abnormal condition occurs GENERATOR START UP PROCEDURE MANUAL MODE ...

Страница 31: ... to your ATS installation manual for further instructions for the correct installation of the auto start contacts of the generator to the ATS WARNING When running the generator in the AUTO mode rememberthegeneratorcanstartupatanytimewithout warning NEVER attempt to perform any maintenance when the generator is in the auto mode NOTICE When the Auto Off Reset Manual switch is placed in the AUTO posi...

Страница 32: ...ove all loads from the generator 6 Inspect entire generator for any damage or loosening of components that may have occurred during operation WARNING NEVER stop the engine suddenly except in an emergency EMERGENCY SHUTDOWN PROCEDURE 1 If equipped option push the Emergency Stop Pushbutton Switch Figure 43 Figure 43 Emergency Stop Button 2 If generator is not equipped with an emergency stop pushbutt...

Страница 33: ...ion Filter 1500hrs Replace Air Cleaner Elements 3 As Required Generator Measure Insulation Resistance Over 3M ohms X Check Rotor Rear Support Bearing X 1 During initial operation of a new engine change oil and filter between a minimum of 100 hrs and a maximum of 250 hrs Service interval depends on type of oil 2 Add Supplemental Coolant Additives SCA S to recharge the engine coolant 3 Replace prima...

Страница 34: ...breakers in the OFF position Allow sufficient time for adequate cooling When ready to restart complete all steps in the Generator Startup Procedure section of this manual NOTICE The air filter should not be changed until the indicator reads RED Dispose of old air filter It may not be cleaned or reused If the engine is operating in very dusty or dry grass conditions a clogged air cleaner will resul...

Страница 35: ... the exhaust stream into less harmful components In general this catalyst collects burns accumulated particulates The DOC contains palladiumandplatinumwhichserveasacatalyststooxidize hydrocarbons and carbon monoxide Replace DOC as required CHECK OIL LEVEL Check the crankcase oil level prior to each use or when the fuel tank is filled Insufficient oil may cause severe damage to the engine Make sure...

Страница 36: ... panel The purpose of these receptacles is to provide power via commercial power to the jacket water heater and internal battery charger These receptacles will ONLY function when commercial power has been supplied to them Figure 47 To apply commercial power to these receptacles a power cord of adequate size will be required See Table 6 When using the generator in hot climates there is no reason to...

Страница 37: ...UMP SWITCH ON DIAGNOSTIC BUTTON 6 The following will occur The diagnostic lamp will start blinking with a pattern associated with the fault 3 times at an interval of 2 4 seconds If there are more than 2 fault codes are detected the diagnostic lamp will repeat the detected fault codes blinking patterns in ascending order After all the detected fault codes are shown it will repeat the same sequence ...

Страница 38: ...nnections loose Check wiring and repair Defective AVR Replace if necessary High Voltage Output Is wiring connections loose Check wiring and repair Defective AVR Replace if necessary Circuit Breaker Tripped Short Circuit in load Check load and repair Over current Confirm load requirements and reduce Defective circuit breaker Check and replace Over current Relay actuated Confirm load requirement and...

Страница 39: ... too thick Refill engine crankcase with correct type of oil for winter environment Defective battery Replace battery Engine fires but stops soon as starter is switched off Fuel filter blocked Replace fuel filter Fuel supply blocked Check the entire fuel system Defective fuel pump Replace fuel pump Engine stops by itself during normal operation Fuel tank empty Add fuel Fuel filter blocked Replace f...

Страница 40: ...h oil in engine crankcase Drain off engine oil down to uppermark on dipstick Entire cooling air system contaminated blocked Clean cooling air system and cooling fin areas Fan belt broken or elongated Change belt or adjust belt tension Coolant insufficient Replenish coolant Radiator net or radiator fin clogged with dust Clean net or fin carefully Fan radiator or radiator cap defective Replace defec...

Страница 41: ...DCA20SPXU4F OPERATION MANUAL REV 3 09 18 19 PAGE 41 GENERATOR WIRING DIAGRAM ...

Страница 42: ...PAGE 42 DCA20SPXU4F OPERATION MANUAL REV 3 09 18 19 ENGINE WIRING DIAGRAM ...

Страница 43: ...AC INPUT AC POWER CORD 7 5 AMP FUSE 7 5 AMP FUSE TO CHASSIS GROUND 3 1 2 4 A B B A 120 VAC INPUT INSERT EXTERNAL POWER CORD HERE NEMA 5 15 15A 120 VAC P N EE6176 HBL5278C HUBBLE RECEPTACLE NOTES 1 2 RECEPTACLE IS MOUNTED ON OUTPUT TERMINAL PANEL ASSY 20 AMP 5 20R RECEPTACLE P N EE6131 HBL5369C HUBBLE RECEPTACLE 3 4 CORD CAROL 3 C 14 AWG P N EE56557 5 5 RECEPTACLE IS MOUNTED UNDERNEATH CONTROL BOX ...

Страница 44: ...L N GREEN 14 AWG GROUND G NOTES 1 2 RECEPTACLE IS MOUNTED ON OUTPUT TERMINAL PANEL ASSY 20 AMP 5 20R RECEPTACLE P N EE6131 HBL5369C HUBBLE RECEPTACLE 3 GROUND 120 VAC 4 CORD CAROL 3 C 14 AWG P N EE56557 BLOCK HEATER P N 44558 120 VAC INPUT INSERT EXTERNAL POWER CORD HERE 3 1 2 4 HEATING ELEMENT TEMP SWITCH BLACK 14 AWG LINE L 120VAC INPUT WHITE 14 AWG NEUTRAL N GREEN 14 AWG GROUND G 1 2 3 4 A B A ...

Страница 45: ...DCA20SPXU4F OPERATION MANUAL REV 3 09 18 19 PAGE 45 NOTES ...

Страница 46: ...tained in this manual are for guidance only and may not be considered as binding Multiquip Inc reserves the right to discontinue or change specifications design or the information published in this publication at any time without notice and without incurring any obligations Manufactured for MQ Power Inc by DENYO MANUFACTURING CO HERE S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON HAN...

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