Hypertherm Powermax125 Service Manua - Manual (Page 316)

Powermax125 Service Manual 808070 316
12 – Wiring Diagrams
Powermax generic timing chart
Maximum 5 seconds
User set current
Transfer PA current
Pilot arc current
Transfer threshold: 1.6 A
Pilot arc Transfer Steady state Loss of start
Inverter output on
Transfer relay and LED on
Idle Power off
Post flow
Power/Aux switch closed
Start LED on
Pilot arc IGBT gated
Gas control device LED on
Power up Start