Hobart Welding Products OM-2208 manual Introduction, Specifications, Duty Cycle And Overheating

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SECTION 2 – INTRODUCTION

2-1. Specifications

 

 

 

 

RMS Amps Input at Rated Load

 

 

 

Voltage

Amperage

Max. Open-

Output, 60 Hz 3-Phase at NEMA Load

 

 

Rated Output at

Voltages and Class I Rating

 

 

Range in

Range in

Circuit

 

 

 

 

 

 

 

60% Duty Cycle

CV Mode

CC Mode

Voltage

230 V

460 V

575 V

KVA

KW

 

 

 

 

 

 

 

 

 

300 A at 32 VDC, 3-Phase

10–35 V

5–400 A

90 VDC

30.5

18.9

15.2

12.2

11.6

 

 

 

 

(0.21*)

(0.10*)

(0.08*)

(0.09*)

(0.04*)

 

 

 

 

 

 

 

 

 

225 A at 29 VDC, 1-Phase

 

 

 

47.4

24.5

– –

11.3

7.6

 

 

 

 

(0.34*)

(0.14*)

 

(0.09*)

(0.04*)

 

 

 

 

 

 

 

 

 

*While idling

**See Section 3-5 for additional information.

2-2. Duty Cycle And Overheating

Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating.

If unit overheats, output stops, a Help message is displayed (see Section 5-2), and cooling fan runs. Wait fifteen minutes for unit to cool. Reduce amperage or voltage, or duty cycle before welding.

Y Exceeding duty cycle can damage unit and void warranty.

60% Duty Cycle

6 Minutes Welding

4 Minutes Resting

Overheating

 

0

A or V

 

15

 

OR

Minutes

Reduce Duty Cycle

 

sduty1 5/95 / SA-207 877

OM-2208 Page 9

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Contents Processes OM-2208Description From Hobart to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards About Pacemakers EMF InformationConsignes DE Securite Lire Avant Utilisation Signification des symbolesUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe LA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresInformation sur les champs é lectromagné tiques Principales normes de sé curitéConsignes relatives aux stimulateurs cardiaques Introduction SpecificationsDuty Cycle And Overheating CV Mode CC ModeVolt-Ampere Curves Dimensions And Weight InstallationMovement Do not move or operate unit where it could tip Selecting a LocationARC Welding can cause Electromagnetic Interference Weld Output Receptacles And Selecting Cable Sizes45 m 60 m 70 m 90 m 105 m 120 m Put terminalsSocket Information Remote 14 Receptacle InformationHz Three Phase Hz Single Electrical Service GuideInput Voltage Min Grounding Conductor Size In AWG/KcmilFor single-phase operation Connecting Input PowerFront Panel Controls For CC/CV Model OperationFront Panel Controls For CC Model Mode Meter Reading At Idle Meter Reading While Welding Mode Switch Settings For CC/CV ModelMode Switch Setting Process Output On/Off Control Meter Functions For CC/CV ModelMeter Functions For CC Model Mode Switch Settings For CC ModelLift-Arc TIG Procedure Maintenance & TroubleshootingVoltmeter/Ammeter Help Displays HE.L P-9Do not remove case when blowing out inside of unit TroubleshootingBlowing Out Inside Of Unit OM-2208 Circuit Diagram For 230/460 Volt Models Electrical DiagramsCircuit Diagram For 460/575 Volt Models Parts Assembly Parts ListItem Dia Part Description Mkgs Quantity Dia Part Description Mkgs Quantity OM-2208 OM-2208 Support ServiceHobart Welding Products Contact your Distributor for