SECTION 5
TROUBLESHOOTING
26
TORCH SWITCH
OPEN
CLOSE
GAS SOLENOID VALVE
PREFLOW
FLOW SWITCH
CLOSE
FAULT OVERLOAD LIGHT
HF CIRCUIT
INVERTER
CUTTING ARC (CURRENT)
5.4SEQUENCE OF OPERATION
A. TRIGGER LOCK UNLOCK position
PUSH
RELEASE
ENERGIZE
NOTES:
1.
When the torch switch is pushed during postflow period, the postflow and preflow times are canceled, and
the HF is energized immediately.
2.
When the amber fault light comes on, cutting operation should be stopped. The postflow time starts from the
moment the torch switch is released.
10 SEC
Postflow
OPEN
2 SEC.
Summary of Contents for PCM-875
Page 29: ...28 D 36587 Figure 5 1 Schematic Diagram PCM 875 208 230 V 50 60 Hz 1 or 3 Phase ...
Page 30: ...29 D 36595 Figure 5 2 Wiring Diagram Sheet 1 of 2 PCM 875 208 230 V 50 60 Hz 1 or 3 Phase ...
Page 31: ...30 Figure 5 3 Wiring Diagram Sheet 2 of 2 PCM 875 208 230 V 50 60 Hz 1 or 3 Phase D 36595 ...
Page 32: ...31 D 36597 B Figure 5 4 Schematic Diagram PCM 875 400 460 V 50 60 Hz 3 Phase 1 2 3 4 5 6 ...
Page 33: ...32 D 36598 Figure 5 5 Wiring Diagram Sheet 1 of 2 PCM 875 400 460 V 50 60 Hz 3 Phase ...
Page 34: ...33 D 36598 Figure 5 6 Wiring Diagram Sheet 2 of 2 PCM 875 400 460 V 50 60 Hz 3 Phase ...
Page 35: ...34 D 36715 A Figure 5 7 Schematic Diagram PCM 875 575 V 60 Hz 3 Phase ...
Page 36: ...35 D 36716 Figure 5 8 Wiring Diagram Sheet 1 of 2 PCM 875 575 V 60 Hz 3 Phase ...
Page 37: ...36 D 36716 Figure 5 9 Wiring Diagram Sheet 2 of 2 PCM 875 575 V 60 Hz 3 Phase ...
Page 47: ...46 ...
