Hobart Welding Products OM-493 manual Typical Connections To Supply Standby Power, 240 120 Ground

Page 38

10-10. Typical Connections To Supply Standby Power

.Customer-supplied equipment is required if generator is to supply standby power during emergencies or power outages.

1

1Power Company Service Meter

2Main and Branch Overcurrent Protection

3Double-Pole, Double-Throw Transfer Switch

Obtain and install correct switch. Switch rating must be same as or greater than the branch overcurrent protection.

4Circuit Breakers or Fused Disconnect Switch

120/240 Volt

60Hz

Three-Wire Service

2

Load

7

6

120/240 Volt

Single-Phase

Three-Wire

Generator Output

Connection

240 V

 

Obtain and install correct circuit

 

 

 

 

breakers or switch.

120 V

 

5

Extension Cord

 

Select as shown in Section 10-11.

120 V

 

 

6

Generator Connections

 

 

Neutral

 

Connect terminals or plug of ade-

 

safety practices.

 

 

quate amperage capacity to cord.

 

3

Follow all applicable codes and

 

 

 

 

240 V

 

Turn off or unplug all equipment

 

 

connected to

generator before

 

 

starting or stopping engine. When

120 V

 

starting or stopping, the engine has

 

low speed which causes low volt-

 

 

120 V

 

age and frequency.

 

 

7

Load Connections

 

4

 

 

 

CB

 

 

 

 

or

 

Item 4 is not necessary if circuit

F1

 

protection is already present in

 

welding

generator

auxiliary

 

 

 

 

power output circuit.

 

 

5

 

 

 

240 V

 

 

 

 

120 V

 

 

 

 

120 V

 

 

 

 

Ground

 

 

 

 

S-0405-A

OM-493 Page 34

Image 38 Hobart Welding Products OM-493 manual Typical Connections To Supply Standby Power, 240 120 Ground
Contents Description OM-493Processes From Hobart to You Table of Contents Page Electric Shock can kill Symbol UsageArc Welding Hazards ARC Rays can burn eyes and skinEngine Hazards Engine Exhaust Gases can kill Battery Explosion can BlindMoving Parts can cause injury Engine Heat can cause fireRadiation can cause interference Principal Safety StandardsEMF Information ARC Welding can cause interferenceUN Choc Électrique peut tuer Signification des symbolesConsignes DE Sécurité Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut affecter l’ouïeLA Chaleur DU Moteur peut pro- voquer un incendie DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécuritéInformation sur les champs électromagnétiques Consignes relatives aux stimulateurs cardiaquesWeld, Power, and Engine Specifications SpecificationsSymbol Definitions DefinitionsDimensions Dimensions, Weights, and Operating AnglesAuxiliary Power Curve Duty Cycle Exceeding duty cycle can damage unit and void warrantyFuel Consumption Continuous WeldingVolt-Ampere Curve InstallationInstalling Welding Generator Movement Do not lift unit from end Airflow ClearanceEngine Prestart Checks FuelRead and follow all instruc Activating The Dry Charge Battery If ApplicableDo not overfill battery cells ChargerTools Needed 1/2 Connecting the BatteryInstalling Exhaust Pipe Connect negative cable last100 ft 30 m Or Less Connecting to Weld Output TerminalsSelecting Weld Cable Sizes 10 100% Duty CycleOperating the Welding Generator Engine Control SwitchDo not switch under load Front Panel ControlsWeld Current Operating Auxiliary EquipmentStandard Receptacles 120V 240VGfci Receptacle Option Optional Auxiliary Power ReceptaclesGenerator 120 V 20 a AC Gfci RecepMaintenance Maintenance Label Overload Protection Servicing Air CleanerStop engine. Disconnect negative battery cable Stop engineStop engine and let cool Changing Engine Oil, Oil Filter, and Fuel FilterFull Tools Needed Oil Drain Valve 2 ID x 12 in Hose Oil FilterWeld/Power Speed Adjustment Adjusting Engine SpeedIdle Speed Adjustment Servicing Optional Spark Arrestor Welding TroubleshootingAuxiliary Power Trouble RemedySwitch S2, and throttle solenoid TS1 EngineElectrical Diagram Circuit Diagram For Welding GeneratorGrounding Generator To Truck Or Trailer Frame Auxiliary Power GuidelinesSelecting Equipment Earth ground if supplying Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = WattsIndustrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsSingle-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP xTypical Connections To Supply Standby Power 240 120 GroundSelecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesStick Welding Smaw Guidelines Stick Welding ProcedureWeld current starts when electrode touches work- piece Striking an Arc Tapping Technique Electrode and Amperage Selection ChartStriking an Arc Scratch Start Technique Positioning Electrode Holder Poor Weld Bead CharacteristicsGood Weld Bead Characteristics 10-30 9090 End View of Work AngleConditions That Affect Weld Bead Shape Electrode Movement During WeldingTee Joint Butt JointsLap Joint 16 in 1.6 mm Tack WeldsWeld Test Troubleshooting PorosityTroubleshooting Excessive Spatter Possible Causes Corrective ActionsTroubleshooting Excessive Penetration Troubleshooting Incomplete FusionTroubleshooting Lack Of Penetration Troubleshooting Distortion Troubleshooting Burn-ThroughTroubleshooting Waviness Of Bead Parts List 12-3Dia Part Description Mkgs Quantity Panel, Front w/Components Panel, Front w/Components -1 Item Generator -1 Item Page Page Service SupportCall Contact your Distributor forHobart Welding Products