Owner`s manual

OM-303 Page 21
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9-3. Correct Installation
1 High-Frequency Source (welding power
source with built-in HF or separate HF
unit)
Ground metal machine case, work output
terminal, line disconnect device, input supply,
and worktable.
2 Center Point of Welding Zone
Midpoint between high-frequency source and
welding torch.
3 Welding Zone
A circle 50 ft (15 m) from center point in all
directions.
4 Weld Output Cables
Keep cables short and close together.
5 Conduit Joint Bonding and Grounding
Electrically join (bond) all conduit sections
using copper straps or braided wire. Ground
conduit every 50 ft (15 m).
6 Water Pipes and Fixtures
Ground water pipes every 50 ft (15 m).
7 External Power or Telephone Lines
Locate high-frequency source at least 50 ft
(15 m) away from power and phone lines.
8 Grounding Rod
Consult the National Electrical Code for spec-
ifications.
Metal Building Requirements
9 Metal Building Panel Bonding Methods
Bolt or weld building panels together, insta
ll
copper straps or braided wire across seams
,
and ground frame.
10 Windows and Doorways
Cover all windows and doorways with
grounded copper screen of not more than 1/4
in (6.4 mm) mesh.
11 Overhead Door Track
Ground the track.
Ref. S-0695 / Ref. S-0695
1
2
3
50 ft
(15 m)
Weld Zone
4
7
50 ft
(15 m)
8
5
8
6
Ground
workpiece
if required
by codes.
Ground all metal ob-
jects and all wiring in
welding zone using
#12 AWG wire.
Nonmetal
Building
9
11
10
Metal Building
8
8