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4-3. Shielding Gas Connections
Tools Needed:
5/8, 1-1/8 in.
4-4. Electrical Service Guide
.
All values calculated at 10% duty cycle.
.
Actual input voltage cannot exceed 10% of indicated required input voltage shown in table. If actual input voltage is outside of this range, damage
to unit may occur.
Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommenda-
tions are for a dedicated branch circuit sized for the rated output and duty cycle of the welding power source.
60 Hz Single Phase
Input Voltage
Input Amperes At Rated Output
Max Recommended Standard Fuse or circuit breaker Rating In Amperes
Min Input Conductor Size In AWG
Max Recommended Input Conductor Length In Feet (Meters)
Min Grounding Conductor Size In AWG
Reference: 2008 National Electrical Code (NEC) (including article 630)
1 If a circuit breaker is used in place of a fuse, choose a circuit breaker with time-current curves comparable to the recommended fuse.
2 "Time-Delay" fuses are UL class "RK5". See UL 248.
3 "Normal Operating" (general purpose - no intentional delay) fuses are UL class "K5" (up to and including 60 amps), and UL class "H" ( 65 amps and
above).
4 Conductor data in this section specifies conductor size (excluding flexible cord or cable) between the panelboard and the equipment per NEC Table
310.16. If a flexible cord or cable is used, minimum conductor size may increase. See NEC Table 400.5(A) for flexible cord and cable requirements.
2
3
Time-Delay
Normal Operating
4
4
.
1
Open valve slightly so gas flow
blows dirt from valve. Close valve.
2
1
Connect regulator/flow gauge to
gas cylinder. Do not over tighten.
Connect gas hose to gas in fitting.
3
Typical flow rate is 20 cfh (cubic feet
per hour).
Diversion 165
230 Volts AC
230 Volts AC
23
1
2
30
3
35
14
64 (20)
14
Use argon shielding gas for
best performance.
Cylinder Valve
Regulator/Flow Gauge
Flow Adjust
Ref. 805 474-A
Diversion 180
115 Volts AC
20
A 15 or 20
ampere individual
branch circuit
25
protected by
30
time-delay fuses
or circuit breaker
14
is required.
55 (17)
See Section 4-7
14
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