Rotary 2 stager with metal case and some extras

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05-02-2007, 03:34 PM
piotres

Rotary 2 stager with metal case and some extras

Hi

I want to show You mine latest cascade, it's 2 stager based on 2 rotary compressors, plate HX, Danfoss TS2 valve, Danfoss OUB1 oilseparator, some extras like four REFCO panel gauges or dixell controller and .... metal, BLACK case :rehab: . We like that kind of cases, do we ? :fact:

Specs :

compressors: two Sanyo C-1RV137H11AA rotaries
evap: steeper by piotres
XV: Danfoss TS2 / captube 0.8 mm
HX: plate HX , 12 plates
condenser: 2 row, alu-cu, cooled by 4 x 120mm/12 V NBM fans
refrigerants : R507/R1150
oilseparator : Danfoss OUB1
safety : cut-off
case : metal case, 46 x 46 x 43 cm, black paint
others: 4*REFCO panel gauges, Dixell XR10C controller (turn on 2nd stage automatically when 1st stage is enought cold), homemade receiver before Danfoss TS2, big 230 mm/230V fan on the back wall of case

http://www.members.lycos.co.uk/piotres2/cascade2/1.jpg

:woot:

http://www.members.lycos.co.uk/piotres2/cascade2/2.jpg

http://www.members.lycos.co.uk/piotres2/cascade2/3.jpg

Suction line is braided one, 18 mm thick insulation and red sleeve :D .

http://www.members.lycos.co.uk/piotres2/cascade2/4.jpg

Sorry for some dirty old insulation on compressors' accumulators :slapass: .

http://www.members.lycos.co.uk/piotres2/cascade2/5.jpg

http://www.members.lycos.co.uk/piotres2/cascade2/6.jpg

http://www.members.lycos.co.uk/piotres2/cascade2/7.jpg

Finally I've add shock absorber to 1st stage suction line (called "anaconda" here in Poland ;) ) and add also second drier to 2nd stage :) .

http://www.members.lycos.co.uk/piotres2/cascade2/8.jpg

http://www.members.lycos.co.uk/piotres2/cascade2/9.jpg

Some first run digits ;) .

http://www.members.lycos.co.uk/piotres2/cascade2/10.jpg

http://www.members.lycos.co.uk/piotres2/cascade2/11.jpg

http://www.members.lycos.co.uk/piotres2/cascade2/12.jpg

http://www.members.lycos.co.uk/piotres2/cascade2/13.jpg

http://www.members.lycos.co.uk/piotres2/cascade2/14.jpg

Final charge, no load :)

http://www.members.lycos.co.uk/piotres2/cascade2/15.jpg

And here loaded with 225W :cool: .

http://www.members.lycos.co.uk/piotres2/cascade2/16.jpg

http://www.members.lycos.co.uk/piotres2/cascade2/17.jpg

http://www.members.lycos.co.uk/piotres2/cascade2/18.jpg

We have tested that cascade on E6700 till now, and we got around -98-99*C loaded, and -100-102*C idle on evaporator with 4.7 GHZ / 1.7 V (end of bios in stock asus P5B DLX :( ) .

I hope You like that project :) .

Thanks
Regards
Peter
05-02-2007, 03:53 PM
Noob-ftw

VERY VERY NICE! Why is it your last cascade?
05-02-2007, 03:58 PM
piotres

Quote:

Originally Posted by Noob-ftw

VERY VERY NICE! Why is it your last cascade?

sorry, I mean latest ;) hehe
05-02-2007, 04:16 PM
ryba

+ case
+ smaller than my cascade :]

- poor temps :]
05-02-2007, 05:07 PM
kayl

very nice work piotres. Thats some tight work there.
Almost at small as my cascade, but colder ;)
05-02-2007, 05:20 PM
n00b 0f l337

Very good looking setup there Piotres. Nice case and all. I would have expected a bit colder temps tho.

EDIT: Whats load temperature on HX, it might be a bit undersized.
05-02-2007, 10:00 PM
[XC] gomeler

After seeing a few units and building a few you learn to easily see how things should naturally connect together :)

Great build, was the shock absorber effective in cutting down the vibration from the compressor?
05-02-2007, 11:28 PM
sacha35

very nice work piotres, good job mate.
05-03-2007, 12:36 AM
piotres

Quote:

Originally Posted by n00b 0f l337

Very good looking setup there Piotres. Nice case and all. I would have expected a bit colder temps tho.

EDIT: Whats load temperature on HX, it might be a bit undersized.

Hi

HX outlet with 225W load is -33-35*C, but 2nd stage hiside in max 15.5 bara, so I think that's not the problem :) . Cold_ice use same plate HXes in cascades .

Regards
Peter
05-03-2007, 12:51 AM
Blaster

good job!

Why you added filter before and after HX?
05-03-2007, 02:21 AM
piotres

Quote:

Originally Posted by Blaster

good job!

Why you added filter before and after HX?

Because first I had thought I had problems with freezing of humidity/oil, but that had been nonsense, nothing like that never happened ;) .
05-03-2007, 03:31 AM
runmc

Nice cascade :eek: - where is your insignia? :)
05-03-2007, 05:24 AM
kayl

Quote:

Originally Posted by Blaster

good job!

Why you added filter before and after HX?

i also do the same, never have too much filtering on second stage ;)
05-03-2007, 06:23 AM
4Qman

Very nice i like alot.

The TS2 TEV, isnt that just for R404a refrigerant and its the TES2 that is for R404a/R507a ?

Just curious as i have a TES2 and TS2 here and the TS2 is only labeled for R404a?

David
05-03-2007, 06:59 AM
Soker

Great job my friend!
05-03-2007, 10:44 AM
cold_ice

TS2 and TES2 are both for R404a/R507. TS2 is internally equalized and TES2 external.
05-03-2007, 10:50 AM
n00b 0f l337

How hot do those rotaries run?
05-03-2007, 10:52 AM
piotres

Quote:

Originally Posted by n00b 0f l337

How hot do those rotaries run?

100-110*C compressors' top, so to hotest place :) .
05-03-2007, 11:00 AM
n00b 0f l337

Ah nice, clever use of what looks to be brass barbs in the oil sep too.
05-03-2007, 11:11 AM
Clemmaster

What's the captube length?
05-03-2007, 12:51 PM
piotres

Quote:

Originally Posted by Clemmaster

What's the captube length?

250 cm/0.8mm :)
05-03-2007, 12:56 PM
n00b 0f l337

On both?
05-03-2007, 01:06 PM
piotres

Haha look again n00b, on 1st stage there is TXV ;) .
05-03-2007, 01:15 PM
n00b 0f l337

Duh, forgot. ;)
05-03-2007, 05:54 PM
4Qman

Quote:

Originally Posted by cold_ice

TS2 and TES2 are both for R404a/R507. TS2 is internally equalized and TES2 external.

Thanks Patrick ;)

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