Manual Do Utilizadoríndice analíticoElectrical Formulas2Contents3SPECIFICATIONS6Generator6Engine7Fuel Consumption7Mounting Dimensions8Major Features10PART 1 - GENERAL INFORMATION111.1 Generator Identification121.2 Installation Basics13Introduction13Selecting A Location13Grounding The Generator13The Fuel Supply13The Transfer Switch / Load Center13Power Source And Load Lines15System Control Interconnections15Natural Gas Fuel Interconnections151.3 Non-prepackaged Interconnections16Connect a Pre-2008 Load Center SwitchTo a Current or FutureAir-Cooled Generator16Connect a 2008 And Later Load CenterSwitch to a Pre-2008Air-Cooled Generator171.4 Preparation Before Use18General.18Fuel Requirements18Fuel Consumption18Reconfiguring The Fuel System18Engine Oil Recommendations201.5 Testing, Cleaning and Drying21Meters21The Vom21Measuring AC Voltage21Measuring DC Voltage21Measuring AC Frequency21Measuring Current22Measuring Resistance22Electrical Units23Ohm’s Law23Visual Inspection24Insulation Resistance24The Megohmmeter24Stator Insulation Resistance Test (12-20 kW)25Stator Insulation Resistance Test (8-10 kW)25Rotor Insulation Resistance Test (8-10 kW)26Rotor Insulation Resistance Test (12-20 kW)26Cleaning The Generator26Drying The Generator261.6 Engine-Generator Protective Devices27General.27Low Battery27Low Oil Pressure Shutdown27High Temperature Switch27Overspeed Shutdown27Rpm Sensor Failure27Overcrank Shutdown281.7 Operating Instructions29Control Panel29To Select Automatic Operation30Manual Transfer To “Standby”and Manual Startup30Manual Shutdown AndRetransfer Back To “Utility”301.8 Automatic Operating Parameters31Introduction31Automatic Operating Sequences31PART 2 - AC GENERATORS332.1 Description and Components34Introduction34Engine-Generator Drive System34The AC Generator34Rotor Assembly34Stator Assembly35Brush Holder And Brushes (12-20 kW)36Other AC Generator Components362.2 Operational Analysis37Rotor Residual Magnetism37Field Boost (12-20 kW)37Operation (8/10 kW)38Operation (12-20 kW)382.3 Troubleshooting Flowcharts39Problem 1 – Generator Produces ZeroVoltage or Residual Voltage (12-20 kW)39Problem 2 – Generator Produces ZeroVoltage or Residual Voltage (8/10 kW)40Problem 3 – Generator ProducesLow Voltage at No-Load41Problem 4 – Generator ProducesHigh Voltage at No-Load41Problem 5 – Voltage and Frequency DropExcessively When Loads are Applied422.4 Diagnostic Tests43Introduction43Safety43Test 1 – Check Main Circuit Breaker43Test 2 – Check AC Output Voltage43Test 4 – Fixed Excitation Test/RotorAmp Draw Test44Test 5 – Wire Continuity (12-20 kW)45Test 6 – Check Field Boost (12-20 kW)46Test 7 – Testing The Stator With A Vom(12-20 kW)46Test 8 – Test Brushless Stator47Test 9 – Check Capacitor48Test 10 – Test DPE Winding onBrushless units49Test 11 – Resistance Check Of Rotor Circuit(12-20 kW)50Test 12 – Check Brushes And Slip Rings(12-20 kW)50Test 13 – Test Rotor Assembly(12-20 kW)51Test 14 – Check AC Output Frequency51Test 15 – Check and Adjust Engine Governor(Single Cylinder Units)51Test 16 – Check Stepper Motor Control(V-twin Engine Units)52Test 17 – Check And Adjust VoltageRegulator (12-20 kW)53Test 18 – Check Voltage And FrequencyUnder Load54Test 19 – Check For Overload Condition54Test 20 – Check Engine Condition54Test 21 – Field Flash Alternator (8-10 kW)54PART 3 - TRANSFER SWITCH573.1 Description and Components58General58Enclosure58Transfer Mechanism59Transfer Relay59Neutral Lug60Manual Transfer Handle60Terminal Block60Fuse Holder613.2 Operational Analysis62Operational Analysis62Utility Source Voltage Available64Utility Source Voltage Failure65Transfer To Standby66Transfer To Standby67Utility Restored68Utility Restored, Transfer Switch De-energized69Utility Restored, Retransfer Back To Utility70Transfer Switch In Utility713.3 – Troubleshooting Flowcharts72Introduction To Troubleshooting72Problem 7 – In Automatic Mode,No Transfer to Standby72Problem 8 – In Automatic Mode, GeneratorStarts When Loss of Utility Occurs,Generator Shuts Down When UtilityReturns But There Is No Retransfer To UtilityPower / or Generator Transfers to StandbyDuring Exercise Or In Manual Mode73Problem 9 – Blown F1 or F2 Fuse73Problem 10 – Units Starts And TransferOccurs When Utility Power Is On74Problem 11 – No Battery Charge(Pre-Packed Load Center)75Problem 12 – No Battery Charge(RTSN & RTSE Transfer Switch)75Problem 13 – No Battery Charge(Gen-Ready Load Center)75Problem 14 – No Battery Charge(Load Shed Transfer Switch)753.4 Diagnostic Tests76General76Test 26 – Check Voltage atTerminal Lugs E1, E276Test 27 – Check Manual Transfer SwitchOperation77Test 28 – Check 23 And 15BWiring/Connections78Test 29 – Test Transfer Relay TR79Test 30 – Standby Control Circuit80Test 31 – Check Wire 2380Test 32 – Utility Control Circuit82Test 33 – Test Limit Switch SW2 and SW384Test 34 – Check Fuses F1 and F284Test 35 – Check N1 and N2 Wiring85Test 36 – Check N1 and N2 Voltage85Test 37 – Check Utility Sensing Voltageat the Circuit Board86Test 38 – Check Utility Sense Voltage86Test 39 – Check Voltage atTerminal Lugs N1, N286Test 40 – Check Battery Charger SupplyVoltage “Pre-Wire Load Center”88Test 41 – Check Battery Charger OutputVoltage “Pre-Wire Load Center”88Test 42 – Check Wire 0 and Wire15B“Pre-Wire Load Center”88Test 43 – Check Battery ChargerSupply Voltage“RTSN & RTSE Transfer Switch”89Test 44 – Check Battery ChargerOutput Voltage“RTSN & RTSE Transfer Switch"89Test 45 – Check Wire 0/“RTSN & RTSE Transfer Switch”89Test 46 – Check Battery ChargerSupply Voltage“GenReady Load Center"92Test 47 – Check Battery ChargerOutput Voltage“GenReady Load Center"92Test 48 – Check Wire 0/15B“GenReady Load Center"92Test 49 – Check Battery ChargerSupply Voltage“Load Shed Transfer Switch"94Test 50 – Check Battery ChargerOutput Voltage“Load Shed Transfer Switch"94Test 51 – Check Wire 0 and Wire 15B“Load Shed Transfer Switch"96PART 4 - DC CONTROL974.1 Description and Components98General98Terminal Strip / Interconnection Terminal98Circuit Board98Auto-Off-Manual Switch987.5 Amp Fuse99Menu System Navigation1044.2 Operational Analysis106Introduction106Utility Source Voltage Available106Initial Dropout of Utility Source Voltage108Utility Voltage Dropout andEngine Cranking110Engine Startup and Running112Initial Transfer to the “Standby” Source114Utility Voltage Restored /Re-transfer to Utility116Engine Shutdown1184.3 Troubleshooting Flowcharts120Problem 15 – Engine Will Not CrankWhen Utility Power Source Fails120Problem 16 – Engine Will Not Crank WhenAUTO-OFF-MANUAL Switchis Set to “MANUAL120Problem 17 – Engine Cranksbut Won’t Start121Problem 18 – Engine Starts Hard andRuns Rough / Lacks Power / Backfires122Problem 19 – Shutdown Alarm /Fault Occurred123Problem 20 – 7.5 Amp Fuse (F1) Blown124Problem 21 – Generator Will Not Exercise124Problem 22 – No Low Speed Exercise1244.4 Diagnostic Tests125Introduction125Test 56 – Check Position OfAuto-Off- Manual Switch125Test 57 – Try a Manual Start125Test 58 – Auto-Off-Manual Switch(V-Twin Only)125Test 59 – Test Auto Operations126Test 60 – Check 7.5 Amp Fuse126Test 61 – Check Battery126Test 62 – Check Wire 56 Voltage128Test 63 – Test Starter Contactor Relay(V-twin Only)128Test 64 – Test Starter Contactor(Single Cylinder Engine)129Test 65 – Test Starter Motor130Test 66 – Check Fuel Supply and Pressure132Test 67 – Check Circuit BoardWire 14 Output133Test 68 – Check Fuel Solenoid134Test 69 – Check Choke Solenoid134Test 70 – Check for Ignition Spark136Test 71 – Check Spark Plugs138Test 72 – Check Engine / Cylinder LeakDown Test / Compression Test138Test 73 – Check Shutdown Wire139Test 74 – Check and AdjustIgnition Magnetos140Test 75 – Check Oil Pressure Switchand Wire 86143Test 76 – Check High OilTemperature Switch144Test 77 – Check and Adjust Valves144Test 78 – Check Wire 18 Continuity145Test 79 – Test Exercise Function146Test 80 – Check Cranking andRunning Circuits146Test 81 – Check to see if Low SpeedFunction is enabled148Test 82 – Check operation of theChoke Solenoid148PART 5 - OPERATIONAL TESTS1495.1 System Functional Tests150Introduction150Manual Transfer Switch Operation150Electrical Checks150Generator Tests Under Load151Checking Automatic Operation152Setting The Exercise Timer152PART 6 - DISASEMBLY1536.1 Major Disassembly154Front Engine Access154Major Disassembly158Torque Requirements(Unless Otherwise Specified)164PART 7 - ELECTRICAL DATA165Wiring Diagram, 8 kW Home Standby166Schematic, 8 kW Home Standby168Wiring Diagram, 10 kW Home Standby170Schematic, 10 kW Home Standby172Wiring Diagram, 14 kW Home Standby174Schematic, 14 kW Home Standby176Wiring Diagram, 17 kW Home Standby178Schematic, 17 kW Home Standby180Wiring Diagram, 20 kW Home Standby182Schematic, 20 kW Home Standby184Wiring Diagram, Home Standby Transfer Switch,9/10/12/16 Circuit186Schematic, Home Standby Transfer Switch,9/10/12/16 Circuit188Tamanho: 20 MBPáginas: 192Language: EnglishAbrir o manual
