R507 single-stage @ - 88.1 *C :-D

[piotres]

Hi

Some weeks ago I got few rotary compressors ...so I decided to make a single-stage unit with one of that devils, to check how they perform .

Specs :

Compressor: Sanyo C-1RV137H11AA
evap: chilly1 patern (made in Poland )
holddown: PCV 10mm
XV: CPEV Fach "PZ"
condenser: 1 kW, 2 row, alu-cu, cooled by orginal 230 V fan
Refrigerant : R507
Case : Chipboard case, dimensions 51x39x42 cm, painted black, alu mesh on the front panel
others: SLHX



The heart of unit





Evap ..same as always



Making a SLHX





Some pipe work





Filling with R507



That's first run frost



Insulation complete and electric instalation done



Case just after painting .









Complete unit

Let's see what that baby can do :



Very "small" vac .. only sth like -0.97 bara... LOLLL



Some nice numbers, remember that's just pure R507 .

Have You ever seen lower temperature in Single-stage unit ??



Mine A64 3000+ Venice benching rig



That's stressed with 3000+ Venice @ 3211 MHz on 1.82V ... -55.5*C evap loaded (during SuperPI) , CPU around -15 to -18*C .



That's ...hym ..idle ..let's say that's idle - mine CPU has a coldbug when it reach -30*C on CPU, so after 5 second of end of SuperPi run I have got -60*C evap and freezed Windows ..so really I can't test it in idle I hope will be able to run @ sth like -60*C evap (maybe evan bit lower) idle on simillar CPU like mine .

That unit is currently for sale .

Regards
Peter