Hypertherm Powermax 125 Service Manual

126 Powermax125 Service Manual 808070
8 – Troubleshooting and System Tests
Figure 14 – 380 V CCC, 400 V CE power supply overview
J22 J21 J20 J19
J27
WORK
LEAD
J26
J25
+
_
+
_
RED
J18
ORG
J17
J32
J11
J28
TP7
TP9
TP8
W
R
B
1
2
3
4
5
6
7
13
14
8
10
11
12
9
20
15
16
17
18
19
1 J11
2 J17
3 J18
4 Output inductor wires
5 Nozzle wires
6 Electrode wire
7 J32
8 Work lead
9 Transformer wires
10 Test points
11 4μF Capacitors
12 PFC inductor wires
13 Ground
14 AC input wires
15 Power switch
16 Power board
17 Flyback circuit
18 Gate drive connectors
19 Digital signal processor (DSP) board
20 Control board

Hypertherm Powermax 125 Specifications

General

Output Current	30-125 A
Input Power	15.2 kW
Open Circuit Voltage	300 VDC
Gas Supply	Clean, dry, oil-free air or nitrogen
Input Power Cable Length	10 ft (3 m)
Rated Output Current	125 A
Gas Type	Air or nitrogen
Cutting Capacity	1-1/4 inch (32 mm)
Pierce Capacity	1 inch (25 mm)
Input Voltage	200-600 V, 3-PH
Duty Cycle	100% @ 125 A
Certifications	CSA
Maximum Clean Cut Thickness	1-1/4 inch (32 mm)
Cooling Method	Fan-cooled
Torch Options	Hand