Hobart Welding Products OM-477 manual Typical Connections To Supply Standby Power, 240 120 Ground

Page 47

9-10. 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 9-11.

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-477 Page 43

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Contents Description OM-477Processes From Hobart to You Table of Contents Page ARC Rays can burn eyes and skin Symbol UsageArc Welding Hazards Electric Shock can killEngine Hazards Engine Heat can cause fire Battery Explosion can BlindMoving Parts can cause injury Engine Exhaust Gases can killARC Welding can cause interference Principal Safety StandardsEMF Information Radiation can cause interferenceLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE SÉ Curité Lire Avant Utilisation UN Choc É Lectrique peut tuerLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES PIÈ CES Chaudes peuvent provoquer des brû lures gravesLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chaleur DU Moteur peut pro- voquer un incendieConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques LE Soudage À L’ARC risque de provoquer des interfé rencesDefinitions SpecificationsSymbols And Definitions Weld, Power, And Engine SpecificationsFuel Consumption Dimensions, Weights, And Operating AnglesDimensions WeightMinutes Welding Minutes Resting AC Auxiliary PowerDuty Cycle And Overheating 12.5 KVA/KW Three-Phase Auxiliary Power Plant No Weld Load Optional AC Power Plant Curves5 KVA/KW Single-Phase Auxiliary Power Plant No Weld Load 100 Volt-Ampere CurvesDC Volts CC/DC Standard AC Amperes CV/DC Models with Optional CV-3 ModuleInstalling Muffler InstallationInstalling Welding Generator Connecting The BatteryTop View Engine Prestart Checks13 mm Full Gasoline Capacity 9 qt 8.5 L 10 100% Duty Cycle Connecting To Weld Output TerminalsSelecting Weld Cable Sizes 100 ft 30 m Or LessStop engine Remote 14 Receptacle RC3 Information Optional, See SectionTerminal Strip 3T Connections Optional Socket InformationFront Panel Controls See Section Operating Welding GeneratorStop engine and fix trouble if either warning light goes on Ampere Range SwitchDo not switch under load Description Of Front Panel Controls See SectionExample Combination remote amperage control Remote Control OptionalVolt Duplex And Optional Gfci Receptacles Operating Auxiliary EquipmentX 10 a + 120 V x 5 a = 3.0 kVA/kW Volt Duplex Receptacle OptionalFront Connecting Optional Auxiliary Power PlantMaintenance and Troubleshooting Maintenance Label Overload Protection Servicing Air CleanerTo Clean air filter Do not clean housing with air hoseStandard filter Changing Engine Oil And FilterStop engine and let cool Standard Oil Filter Cation makes it difficult to changeStop engine and let cool Inspecting And Cleaning Optional Spark Arrestor MufflerChanging Fuel Filter 1850 rpm Max Adjusting Engine Weld/Power SpeedAdjusting Governor Sensitivity Adjusting Engine Idle SpeedTrouble Remedy Adjusting Optional High Altitude CarburetorTroubleshooting WeldingAuxiliary Power See engine manual Coolant temperature gets too high see SectionCheck Engine Control switch, and replace if necessary EngineOM-477 Circuit Diagram For Welding Generator For Standard Models Electrical DiagramsOM-477 193 967-A Grounding Generator To Truck Or Trailer Frame Auxiliary Power GuidelinesSelecting Equipment Amperes x Volts = Watts Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Earth ground if supplyingFarm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Industrial Motors Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentKVA/HP x HP x Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting Requirements240 120 Ground Typical Connections To Supply Standby PowerCurrent Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleOM-477 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 Parts ListIncludes 39 43 Dia Part Description Mkgs Quantity 025 2523 GeneratorGenerator -1 Item Includes 2539CB1,2 139 Control Box w/Components -3 Item Support ServiceCall Contact your Distributor forHobart Welding Products

OM-477 specifications

Hobart Welding Products has long been recognized for delivering high-quality welding equipment tailored to the needs of both professionals and DIY enthusiasts. Among its distinguished offerings is the OM-477, a versatile multi-process welder designed to excel in a variety of welding applications. This machine integrates an array of features and technologies that cater to both novice and experienced welders.

One of the defining characteristics of the OM-477 is its multi-process capability, which allows users to perform MIG, TIG, and stick welding with ease. This flexibility makes it an ideal choice for a wide range of projects, from automotive repair to light fabrication tasks. The seamless transition between processes is facilitated by a user-friendly interface that simplifies the selection and adjustment of settings, ensuring a smoother workflow.

The OM-477 is powered by a robust, industrial-grade inverter technology that provides high arc stability and increased energy efficiency. This not only enhances performance but also reduces power consumption, making it an environmentally friendly option. Welders can operate at various output ranges, accommodating different materials, including mild steel, stainless steel, and aluminum, thus ensuring versatility in project execution.

Another notable feature of the OM-477 is its portability. Weighing in at a manageable size, this welder is equipped with a durable carry handle, allowing for easy movement between job sites or within the workshop. This characteristic complements its user-friendly setup, making it accessible for individuals of all skill levels.

Safety is a pivotal aspect of the design of the OM-477. It incorporates multiple safety features such as a thermal overload protection mechanism, ensuring that the machine operates well within safe parameters. This is crucial for preventing overheating, thereby extending the welder's lifespan and reducing maintenance costs over time.

Additionally, the OM-477 offers precise control over welding parameters, enabling users to fine-tune their settings for optimal results. Whether tackling thin sheet metal or thicker materials, the welder’s adjustment capabilities ensure a clean, professional finish.

In summary, the Hobart OM-477 stands as a testament to innovative welding technology, combining multi-process functionality, inverter efficiency, portability, and safety into a single machine. It is a reliable tool designed to empower welders at any skill level, making it a worthy addition to any welding arsenal. With the OM-477, Hobart Welding Products continues to champion quality and user satisfaction in the welding industry.
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