Mamiya Econotig manual Correct Installation, Metal Building Requirements

Page 25

9-3. Correct Installation

Weld Zone

350 ft

(15 m)

7

50ft

(15 m)

5

61

8

Ground all metal ob- jects and all wiring in welding zone using #12 AWG wire.

Nonmetal

Building

2

8

4

Ground workpiece if required by codes.

11

9

Metal Building

8

8

10

Ref. S-0695 / Ref. S-0695

	1	High-Frequency Source (welding power	5 Conduit Joint Bonding and Grounding	Metal Building Requirements
		source with built-in HF or separate HF	Electrically join (bond) all conduit sections	9 Metal Building Panel Bonding Methods
		unit)
			using copper straps or braided wire. Ground	Bolt or weld building panels together, install
	Ground metal machine case, work output
			conduit every 50 ft (15 m).
	terminal, line disconnect device, input supply,			copper straps or braided wire across seams,

	and worktable.		6 Water Pipes and Fixtures	and ground frame.
	2 Center Point of Welding Zone		Ground water pipes every 50 ft (15 m).	10 Windows and Doorways
	Midpoint between high-frequency source and		7 External Power or Telephone Lines	Cover all windows and doorways with
	welding torch.
			Locate high-frequency source at least 50 ft	grounded copper screen of not more than 1/4
	3	Welding Zone
				in (6.4 mm) mesh.
	A circle 50 ft (15 m) from center point in all		(15 m) away from power and phone lines.	11 Overhead Door Track
	directions.		8 Grounding Rod
				Ground the track.
	4	Weld Output Cables	Consult the National Electrical Code for spec-

	Keep cables short and close together.		ifications.

OM-303 Page 21

Image 25

Contents Description ProcessesFrom Miller 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 killCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers − Consignes DE Sécurité − À Lire Avant Utilisation Signification des symbolesLES Décharges Électriques peuvent être mortelles LES Fumées ET LES GAZ peuvent être dangereuxLES Particules Projetées peu- vent blesser les yeux LE Soudage peut causer un incen- die ou une explosionLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Bruit peut affecter l’ouïeLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut Faire LES Pièces Mobiles peuvent cau- ser des blessuresInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques − Definitions General Precautionary Label− Introduction Symbols And DefinitionsIncluded with Your Unit Duty Cycle Chart SpecificationsVolt-Ampere Curves Hertz ModelsTurn Off power before mak- ing connections − InstallationSelecting a Location Typical Stick ConnectionsTypical TIG Connections Turn Off power before mak Ing connectionsConnecting Input Power Electrical Service GuideControls − OperationExample of Remote Amperage Control Example of Front Panel Amperage ControlGtaw Welding Amperage Range AC Low AC HighProcess and Material Thickness Guide Label Routine Maintenance − Maintenance and Troubleshooting Troubleshooting Circuit Diagram − Electrical Diagrams− High Frequency Incorrect InstallationWelding Processes Requiring High Frequency Weld ZoneMetal Building Correct InstallationMetal Building Requirements Main Assembly − Parts ListDia Part Description Quantity Mkgs Figure -1. Main Assembly Page Page Support ServiceMiller Electric Mfg. Co Owner’s Record