Parts:

1st and 2nd stages are cascade 3

http://www.xtremesystems.org/forums/...d.php?t=117279

3rd stage:

little devil cascade case (same as cascade 3)
compressor: Danfoss SC21CLX
Hx: 12 plate
Oil sep: Temprite 900 series
vapo mini condencer
pressure releif valve 24 bar
danfoss pressure cut out KP5
pressure gauge
spun drier/filter
cold ice evap

refigerant R507/R23/R1150