Miller Spectrum 300 Manuel Du Propriétaire page 12

3-1. Controls
3
Setting Gas/Air Pressure
3
70-150 PSI
(483-1034 kPa)
1 Power Switch
2 Power Light
3 Output Control
Use control to set cutting output.
The yellow zone is for use with primary cir-
cuits rated at 15 amperes with 230 VAC in-
put, or 30 amperes with 115 VAC input.
Place control in Gas/Air Set position to safely
adjust gas/air pressure. Only gas/air circuit
is activated.
If 20-25 amperes of cutting output is used
OM-2210 Page 10
SECTION 3 − OPERATION
5 4
7
6
Requires
Supply
with 115 VAC input power, and the overload
protection on the input power circuit fre-
quently opens, either reduce the cutting out-
put and/or the cut time or find more adequate
power (see Section 2-3).
4 Ready Light
Use light to tell if unit is ready for operation.
Ready light comes on when Power switch is
placed in On position, indicating that all safe-
ty shutdown systems are okay.
If Ready light does not come on, check
Trouble Lights.
2
Set To
60 PSI (414 kPa)
5 Trouble Lights (See Section 4-2)
Setting Gas/Air Pressure
6 Air Filter/Regulator
7 Pressure Adjustment Knob
Place Output control in Gas/Air position and
turn on gas/air supply. Lift knob and turn to
adjust pressure. Push knob down to lock in
setting.
Place Output control in desired cutting
output.
1
Ref. ST-801 306-B / Ref. SC-174 716-C