Hypertherm Powermax 85 Service Manual

TroubleshooTing and sysTem TesTs
5-6 powermax 65/85 Service Manual
Sequence of operation
Power OFF
•Connectthegassupplytotheairfittingonthepowersupply.
•Connecttheworkleadtothepowersupplyandworkpiece.
•Connectthetorchtothepowersupply.
•Pluginthepowersupplyandmakesureincomingpoweris
ON if using a line-disconnect box.
•SettheON/OFFswitch(S1)toON(I).
•Setthepowerswitch(S1)toOFF(O).
•Theelectronicregulatordeactivates.
•Thegasflowstops.
•Thearcextinguishes.
•Gascontinuestoflowfor20seconds.
•Dragthetorchlightlyacrossthe
workpiece to make a cut.
•Theworkpiecedropsafterthecut.
•Releasetheplasmastarttriggeronthe
hand torch or the remote start switch for
the machine torch.
•Theelectronicregulatoractivates.
•Thegasflowstarts.
•Thecuttingarcstarts.
•Positionthetorchovertheworkpiece.
•Pulltheplasmastarttriggeronthehand
torch or press the remote start switch for
the machine torch.
•ThegreenpowerONLEDilluminates,indicatingthesystemis
ready for operation.
•ThefaultLEDshouldbeoff(seeTroubleshooting guide and
Fault codes in this section for more information).
•Settheamperageadjustmentknobtothedesiredoutput
current based on the thickness of the metal to be cut.
Note: The gas pressure automatically adjusts for optimal
cutting based on the selected settings.
• Setthemodeswitchtothedesiredmodeforcuttingor
gouging.

Hypertherm Powermax 85 Specifications

General

Gas Supply	Clean, dry, oil-free air or nitrogen
Cooling Method	Fan-cooled
Input Voltage	200-600V, 3-phase
Current Output	25-85 A
Duty Cycle	60% @ 85 A
Recommended Gas Inlet Flow Rate/Pressure	6.7 scfm @ 85 psi
Cutting Capacity (Recommended)	1" (25 mm)
Gas Type	Air/Nitrogen