Guardian Technologies 004270-2 owner manual Generator Coversion to, Volts Only Dual Circuits

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Section 2 – Installation

QUIETPACT™ 75D Recreational Vehicle Generator

2.6.3.1 Generator Coversion to

 

120 Volts Only — Dual Circuits

 

NOTE:

Conversion of a QUIETPACT™ generator from "120/240 volt dual voltage" to "120 volts only - dual circuits" (or vice-versa) requires rerouting wires within the unit enclosure. It is recommend- ed that this conversion be performed by a Generac Authorized Service Dealer.

Figure 2.16 shows the stator power winding connec- tions for 120 volts only - dual circuits. Two stator power windings are used, with each winding capable of supplying half of the unit's rated wattage/amperage capacity. The circuit from each winding is protected against overload by a line breaker (CB1 and CB1A). Line breakers CB1 and CB1A have a trip rating of 35 amps.

To convert from "120/240 volt dual voltage" to "120 volts only - dual circuits", disconnect battery power from the generator and reverse stator lead wires 33 and 44 as follows:

NOTE:

It is necessary to feed stator lead wires 33 and 44 through grommets on the electrical enclosure and engine control box in order to perform the rerout- ing outlined below. The front and top unit enclo- sure panels, as well as the user control panel, must be removed to perform this. After re-routing, wires should be properly tied down to prevent chafing or contact with moving internal compo- nents

1.Remove stator lead wire 33, as shown in Figure 2.15, from the ground stud adjacent to the four- position terminal block. Reroute stator lead 44 from the line side terminal of CB1 (renamed as CB1A in Figure 2.16) to the ground stud location previously occcupied by stator lead wire 33.

2.Move smaller gauge (#18 AWG) wire labeled #44 (not shown), from the top of CB1A to the top of CB1. Renumber this wire #11.

3.Reroute stator lead wire 33, removed in step 1, to the line side terminal on CB1A.

4.Renumber ground wire "33", located between the four-position terminal block and ground in Figure 2.15, as ground wire "44", as shown in Figure 2.16.

5.Renumber wire "44A" from Figure 2.15 as wire "33A" in Figure 2.16.

6.Connect a 12 AWG jumper wire between line breakers CB1 and CB1A, as shown in Figure 2.16.

7.Remove the "tie bar" between the two-line break-

er switch handles.

When connecting vehicle load leads, the following rules apply:

Connect 120-volt, single-phase, 60-Hertz, AC elec- trical loads, requiring up to the trip rating of cir- cuit breaker CB1, across AC output leads T1 (red) and T2 (white).

Connect 120-volt, single-phase, 60-Hertz, AC elec- trical loads, requiring up to the trip rating of cir- cuit breaker CB1A, across AC output leads T3 (black) and T2 (white).

Try to keep the load balanced between the two cir- cuit breakers and the stator windings.

The neutral line (T2, white) on all units is a grounded neutral.

Do NOT connect electrical loads in excess of any circuit breaker rating, or problems will develop with circuit breaker tripping, which causes a loss of AC output. Also, do NOT exceed the genera- tor's rated wattage capacity. Add the watts or amps of all lighting, appliance, tool, and motor loads the generator will operate at one time. This total should be less than the unit's rated wattage/amperage capacity.

Figure 2.15 – Connections for 120/240 Dual

Voltage

Figure 2.16 – Connections for 120 Volts Only —

Dual Circuits

Generac® Power Systems, Inc. 31

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Contents Liquid-cooled Recreational Vehicle Generator Introduction Authorized Service Dealer LocationTable of Contents Part II Installation InstructionsGeneral Hazards Electrical Hazards Generator Identification ModelQuietpact 75D Specifications SafetyGenerator Applicability Generator AC Connection SystemEngine OIL Requirements Fuel Consumption GAL/HRCoolant EngineGenerator Control Panel Optional Remote START/STOPBefore Starting the Engine Starting the Generator Protection Systems Stopping the GeneratorOverspeed Shutdown Additional InformationOvervoltage Protection 1 25-HOUR BREAK-IN PeriodChanging the Engine OIL AND/OR OIL Filter Checking the Engine OIL LevelOperation in High Grass or Brush Effects of Moisture and DirtSpark Arrestor Muffler Servicing the Engine AIR FilterBattery Maintenance Cleaning the GeneratorEngine Coolant Cooling SystemDrive Belt Exercising the GeneratorOUT-OF-SERVICE Procedure Removal from ServiceReturn to Service Service Schedule Part General Hazards Fire Hazards Standards Booklets Purpose and Scope ManualEquipment Description Generator Engine Operating SpeedMajor Features and Dimensions Generator Location Location and SupportGenerator Support Suspended MountingGenerator Compartments Generator RestraintCompartment Construction Acoustics Sound Insulating MaterialsTypical Noise Abatement 2.2.4 Compartment Floor Cutouts Cooling and Ventilating AIR Cooling AIR Inlet OpeningsGenerator Airflow Testing the Installation Diesel Fuel SystemCompensating for Restrictions Fuel Tank Generator Fuel Supply LinesGenerator Fuel Return Lines Exhaust System Safety Exhaust SystemMuffler and Spark Arrestor Electrical Connections WiringElectrical Junction BOX Generator AC ConnectionsVolts Only Dual Circuits Generator Coversion toPower Supply Cord Isolating Different Power SourcesConduit Recommended Battery Battery InstallationBattery Cables Battery Cable ConnectionsOptional Accessories Battery CompartmentRemote START/STOP Connections Testing Under Load Post Installation TestsBefore Initial Startup Initial StartInstallation Checklist Problem Cause Correction Troubleshooting GuideAppendix 2 Notes Appendix 2 Notes Appendix 3 Electrical Data Appendix 3 Electrical Data Appendix 3 Electrical Data Wiring Diagram 120 VAC- Drawing No. 0D2793-B Part Part NO. QTY Description 677mm Item Part NO. QTY. Description 0C4554 Shaft, Fan 0C4845 Gasket, Electrical Enclosure Divider Exhaust Gasket 0C6946A Fuel Pump Assembly 023484F Snap Bushing 052219 2118 11 29 32 33 Camshaft Assembly Complete Cylinder Block Cylinder Head Assembly Crankshaft Assembly Idler Gear Assembly Rocker ARM Assemblyincludes ALL Components Shown below Injector Pump Assembly Fuel Filter Support HOUSING, Timing Gear OIL PAN Water Pump Assembly Appendix 5 Notes Your Warranty Rights and Obligations Federal and California Emissions Control Warranty StatementManufacturers Warranty Coverage Parts CoveredObtaining Warranty Service Obligations and Rights of the Manufacturer and OwnerLimitations Warranty Schedule CONSUMER/PERSONAL Applications

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