Hypertherm HT4001 Plasma Arc Cutting System - Manual (Page 152)

MAINTENANCE
6-98
6-26
HT4001
Instruction Manual
Figure 6-7 Relay Board PCB4 in O
2
Test Cut Flow
RHF Inj. Wtr
(SV6 in RHF Csl) Plasma OFF
(SV5 near torch) Cutflow
(SV4A in MV Csl)
+ 12 VDC
Output
Enable
Cutflow
(SV4A in MV Csl)
Relay Board LED Status
Test Cut Flow Mode – O
2
Figure 6-8 Relay Board PCB4 in N
2
Test Cut Flow
RHF Inj. Wtr
(SV6 in RHF Csl) Plasma OFF
(SV5 near torch)
+ 12 VDC
Output
Enable
Plasma N
2
/O
2
(SV1B in Gas Csl)
Relay Board LED Status
Test Cut Flow Mode – N
2
O
2
Cutflow
(SV1A in Gas Csl)