老外 diy 的 深冷复叠

记得有人做过-150，但不是这个

compressors: Toshiba PG180-X1C on 1st stage (11000 BTU) and TECO KETC176ELBC-A on 2nd stage (10755 BTU)
evap: steeper, 40 mm tall
XV: Danfoss TES2 / captube 0.9 mm
HX: Plate HX, 12 plates
condenser: double condensor, 2 x 2 rows condensors, cooled by 4 x 120/38mm mm high flow fans (NBM and Sunon)
refrigerants : R507/R1150
oilseparator : ESK Schultze with automatic oil back
safety : RANCO cut-off
case : Steel zincked baseplate - 50 x 35 cm
others: LCD HX out temperature display, 2 gagues - on both stages' discharge, wheels for baseplate, 28 mm thick insulation on suction line