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Miller Spectrum 300 Руководство пользователя

3-4. Duty Cycle And Overheating For Non-CE Model

60% duty cycle
6 Minutes Welding
Overheating

3-5. Duty Cycle And Overheating For CE Model

115 VAC Input Power: 35% Duty Cycle At 20 Amperes, 20 Ampere Input Circuit
115 VAC Input Power: 35% Duty Cycle At 25 Amperes, 30 Ampere Input Circuit
230 VAC Input Power: 35% Duty Cycle At 25 Amperes
3-1/2 Minutes Cutting
Overheating
OM-2210 Page 12
For Units Connected to a 20 Ampere, 115 Volt Circuit
or a 10 Ampere, 230 Volt Circuit:
35% Duty Cycle At 21 Amperes, 88 volts dc
For Units Connected to a 30 Ampere, 115 Volt Circuit
or a 15 Ampere, 230 Volt Circuit:
35% Duty Cycle At 27 Amperes, 91 volts dc
60% Duty Cycle At 21 Amperes, 88 volts dc
100% Duty Cycle At 17 Amperes, 87 volts dc
35% duty cycle
3-1/2 Minutes Cutting
4 Minutes Resting
0
15
Minutes
6-1/2 Minutes Resting
0
15
Minutes
6-1/2 Minutes Resting
100% duty cycle
Continuous Welding
Reduce Duty Cycle
Reduce Duty Cycle
Duty Cycle is percentage of 10 min-
utes that unit can cut at rated load
without overheating.
If unit overheats, thermostat(s)
opens, output stops, Temperature
trouble light goes On, and cooling
fan runs. Wait fifteen minutes for
unit to cool or temperature light to
go off. Reduce amperage or duty
cycle before cutting or gouging.
Y Exceeding duty cycle can
damage
unit
and
void
warranty.
A
OR
sduty1 5/95 / 801 302-C
Duty Cycle is percentage of 10 min-
utes that unit can cut at rated load
without overheating.
If unit overheats, thermostat(s)
opens, output stops, Temperature
trouble light goes On, and cooling
fan runs. Wait fifteen minutes for
unit to cool or temperature light to
go off. Reduce amperage or duty
cycle before cutting or gouging.
Y Exceeding duty cycle can
damage
unit
and
void
warranty.
A
OR
duty1 4/95 – 801 302-C