Picked up an old Thermal Dynamics Pak-5xr the other day, downloaded the manual.
Mine is the single phase version.
However, looking at the schematic, it appears the factory simply did a Haas-Kamp (or similar)
change for single phase. Those caps are 60 mfd each, the resistors are simply the bleed
resistors, that come attached across the terminals.
However, looking thru the parts list, the "single phase" xformer is listed as a different
part number. But it still has 3 input windings, and there is still 12 output diodes.
FWIW Hypertherm machine (max40) same time frame, used a completely different xformer
for single phase (and a simple 4 diode bridge rectifier) as would be "normal".
Mine is the single phase version.
However, looking at the schematic, it appears the factory simply did a Haas-Kamp (or similar)
change for single phase. Those caps are 60 mfd each, the resistors are simply the bleed
resistors, that come attached across the terminals.
However, looking thru the parts list, the "single phase" xformer is listed as a different
part number. But it still has 3 input windings, and there is still 12 output diodes.
FWIW Hypertherm machine (max40) same time frame, used a completely different xformer
for single phase (and a simple 4 diode bridge rectifier) as would be "normal".
Attachments
Last edited: