Hypertherm Powermax350 Service Manual - Manual (Page 29)

3-5 Service Manual
M
AINTENANCE
Integrated
Rectifier
SR1
Main
Transformer
T1
CR7
18 and 24
VAC
36 VAC
Center-
Tapped
Power
Control Board
PC1
Contactor Control Signal
Command Signal
Torch Cap Safety Circuit
Torch Trigger Circuit
Work (+)
Secondary Primary
Fan
Motor
FM
115 or
230 VAC
4
5 6
7
12
1234
1234
1234
1234
1234
123456789012345
123456789012345
123456789012345
Pilot (+)
Electrode (-)
AC or DC Control Circuits
115 or 230 VAC 1
Φ
Power
Cutting and Pilot Current Circuits
Figure 3-2.1 Functional Block Diagram, 115/230 Volt
To Torch
Air Supply
115
VAC
DC Power
7-98