2-2
powermax190
c
Service Manual
SPECIFICATIONS
3
Introduction
The Powermax190c plasma cutting system uses a chopper power supply to cut mild steel, stainless steel,
aluminum and other metals.
This service manual provides information for qualified service technicians to troubleshoot and repair the power
supply and torch. Section 4 contains a parts list of the Powermax190c system. This manual also provides a
detailed list of safety practices, so that the system can be safely tested and maintained. READ THE SAFETY
SECTION (Section 1) FIRST!
The Powermax190c Operator Manual (803650) provides setup and daily operating instructions.
Specifications
Power Supply
Rated Open Circuit Voltage (OCV) (U
0
) ...................335 VDC @ 120 VAC
320 VDC @ 230 VAC
Rated Output Current (I
2
) .........................................12 amps
Duty Cycle (X) at 104° F (40° C), at rated output
voltage (U
2
), and at rated output current (I
2
)
using 20-amp service ...............................................35% (U
2
=110 volts, I
2
=12 amps) See power supply data
tag for more information on duty cycle.
Temperature Operating Range .................................Power supplies will operate between 32° F
(0° C) and 104° F (+40° C).
Input Voltage (U
1
)/Input Current (I
1max
)
at 1.32 kw Output .....................................................120 VAC/20.3 amps 1-Ph, 60 Hz (Non CE)
230 VAC/10.0 amps 1-Ph, 50/60 Hz (CE)
Dimensions...............................................................See figure on page 2-3.
Weight:
Power Supplies with Serial Numbers < 10,000
120V Power Supply ..................................................43 lbs (19.5 kg)
46 lbs (20.9 kg) with torch
230V Power Supply ..................................................47 lbs (21.3 kg)
51 lbs (23 kg) with torch
Power Supplies with Serial Numbers
≥
10,000
120V Power Supply ..................................................47 lbs (21.3 kg)
50 lbs (22.7 kg) with torch
230V Power Supply ..................................................54 lbs (24.5 kg)
58 lbs (26.3 kg) with torch
Gas Type ..................................................................Air – (Compressor contained in power supply)
Air Pressure and Flow rate .......................................40 psi (2.8 bar) @ 53.4 scfh/0.89 cfm
(25 liters/min)
