SC18CL cascade - WORKLOG

[piotres]

Hello

It's mine second cascade base on non-rotary compressors ..this time that are not so weak hermetics :D .

Specs :

compressors: 2 x Danfoss SC18CL
evap: steeper
XV: Alco TI-HW + 1.4l Danfoss receiver/ captube 0.9 mm
HX: Plate HX, 12 plates
condenser: 1.5 kW condensor + 230V fan
refrigerants : R507/R1150
oilseparator : Shine Year with automatic oil back
safety : Danfoss KP5 cutoff
case : Laser cutted and powder coated case (black)
others: Dixell XR20CX to control 2nd stage start, 4* REFCO panel gauges, expansion tank

http://www.members.lycos.co.uk/piotres2/sc18clpistono/1.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/2.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/3.jpg

I've mounted Alco TI-HW TXV designed for R22, just to check how it'll perform with pure R507 :). If it'll work bad - I will swap it for Danfoss TES2 :D .

http://www.members.lycos.co.uk/piotres2/sc18clpistono/4.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/5.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/6.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/7.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/8.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/9.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/10.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/11.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/12.jpg

I must say that new dixell's panel (CX version) looks REALLY nice :D .

http://www.members.lycos.co.uk/piotres2/sc18clpistono/13.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/14.jpg

Rest of work when I'll get evap - I must wait for it :( .

Now I'm going for holidays :D - so I'll be offline from 23 to 30.08 .

Best Regards
Peter

[Supertim0r]

subscribed :up:

[Pansuu]

Why the pipes must be always so horrible order and looks. Buy a pipebender and take a look cold ice`s builds :D

Someone have to say something else, not always just "WOW How nice" :p: Otherwise clean job, i hope it perform well ;)

[Xeon th MG Pony]

That and why never good wiring? What ever happend to conduit or proper sheathed wire?

[[XC] gomeler]

Well the thing isn't finished, I'm sure if he's sending it to a customer he'll atleast tie/bundle the wiring together. Wish I could get a pair of those monster SC's in the US, the 21's would be even more fun to play with.

[n00b 0f l337]

Yah indeed Gom. We do have a 6/5 advtange on HZ though.

[piotres]

Why the pipes must be always so horrible order and looks. Buy a pipebender and take a look cold ice`s builds :D


Cold_ice use many "knees" to connect pipes (becasue eg. 10mm is bit hard to bend for 90*), maybe that looks OK, but if I'll make that in this way I'll be afraid about durable of piping (= possible leaks after long time or using) .

What is wrong for You with wiring ? :( I've used plastic shields in every place I can. You can see that eg. near dixell ....only naked wiries are now on condensor, but when I mount case I'll make that cleaner (I mean I'll fasten them) . So what's wrong with electric wires ? :shrug: :shrug:

[elpistono]

Cold_ice use many "knees" to connect pipes (becasue eg. 10mm is bit hard to bend for 90*), maybe that looks OK, but if I'll make that in this way I'll be afraid about durable of piping (= possible leaks after long time or using) .

What is wrong for You with wiring ? :( I've used plastic shields in every place I can. You can see that eg. near dixell ....only naked wiries are now on condensor, but when I mount case I'll make that cleaner (I mean I'll fasten them) . So what's wrong with electric wires ? :shrug: :shrug:


awesome job piotres,very impatient to play with it:D

[n00b 0f l337]

What do you use on flares? JB weld?

[cold_ice]

Cold_ice use many "knees" to connect pipes (becasue eg. 10mm is bit hard to bend for 90*), maybe that looks OK, but if I'll make that in this way I'll be afraid about durable of piping (= possible leaks after long time or using) .

All pipes from 6-10mm are bend with a pipe-bender. 12mm and up I use brazing in bends, because hard copper is a little bit hard to bend without hydraulic bender ;)
Its no problem to use fittings, as these are used in industry as well. You wont have any issues whit that when the brazing is done correctly.

[Xeon th MG Pony]

The thing that makes it look messy is the excess use of coils for the copper, the electrics should be in their own sealed box, from the pressure stat conduit would been advisable along with a better guage cable, perhaps it is optical but the gauge looks small; 14 awg ?

[Freddie123]

He'll work in SWG probably Xeon :D Out with your American gauge!

[[XC] 2long4u]

What holliday is it? Nice cascade.

[Nosfer@tu]

only thing happening My polish m8 is that they dont think it looks sexy when you dont keep all the whires together :)

[Xeon th MG Pony]

Ahk duble negitives hurt the brain!

So what? They think it looks bad when wires are unkept, or they think it is looking good with wires unkept?

The way you used a duble negitive makes it hard to figure out.

[[XC] gomeler]

I love double negatives, it's fun to string em together to confuse people :p: In double-negative speech noster@tu is saying we think it's sexy when we keep all the wires bundled together. Otherwise I'll have to resign from double-negative translation and hang my head in shame :up:

[PhilippF]

@piotres: How do you get your pipes so shiny after soldering? Do you polish the black residue away with a dremel or something? Even when I use steel wool for removing copper oxide after soldering, the black residue (flux?) sticks like hell.

Regards,

Philipp

[Nosfer@tu]

Ahk duble negitives hurt the brain!

So what? They think it looks bad when wires are unkept, or they think it is looking good with wires unkept?

The way you used a duble negitive makes it hard to figure out.

Was it that hard for you to understand what I meant ?
Sorry my native language is not english :shakes:

gomeler;2390192']I love double negatives, it's fun to string em together to confuse people :p: In double-negative speech noster@tu is saying we think it's sexy when we keep all the wires bundled together. Otherwise I'll have to resign from double-negative translation and hang my head in shame :up:

Dont know wha to say ? I was a bit fast there :D But you get the point :D

[Clemmaster]

gomeler;2386804']the 21's would be even more fun to play with.

They are noisy compared to 18's ^^. You can play with GS's too (34CLX on 1st stage and 26CLX on second one) that would be fun :cool:

[Freddie123]

Man its ridiculous, you get our juces flowing and then go on holiday??? There's meant to be no rest for the wicked! Damn you

[piotres]

@piotres: How do you get your pipes so shiny after soldering? Do you polish the black residue away with a dremel or something? Even when I use steel wool for removing copper oxide after soldering, the black residue (flux?) sticks like hell.

Regards,

Philipp

I use steelwire brush attached to drill + after that polishing compound used for cars . :)

@Clem : SC21CL are really much more loudly than SC18CL ? :) I ask becasue I've never used SCxxCL before :) . GS is that new serie, yes :rolleyes: ? :)

Regards
Peter

[Clemmaster]

The SC18B (or CL) are quiet (compared to Tecumseh/aspera), the 21 I've heard isn't quiet, the comparison is hard as there wasn't both running but the SC21 seems to be noisy, the 18 is quiet :P

GS serie isn't really new, every constructor have 26 and 34cc compressors (they look all the same by the way :D). It's as powerfull as the UH CAJ2464Z (34cc - 1.25HP - LBP) but I've never found GS ones :/

[Clemmaster]

http://compressors.danfoss.com/products/images/gs26clx.jpg here is the GS serie (danfoss)

And here the CAJ one (tecumseh - UH)

http://www.apexltd.com.ua/images/default2147095765.gif

Electrolux and Aspera ones look the same too :P

640w @ -40° (R404a) under CECOMAF conditions, That's fun :D

[Freddie123]

I'd love to know their power consumption compared to a rotary

[Clemmaster]

Less than a rotary for sure

[tim-]

well there is small rotaries and big as well as pistons.

II have been working with piston compressors in over 100kw range and been dealing with rotaryes in 500watt range.

[Clemmaster]

We find rotaries on AC unit, when we need more powerfull systems we use scroll and screw ones (of course we use more piston, I've work on 400kw Piston unit :P).

Rotaries consumption is higher than LBP piston, for sure in the conditions we use them.

[piotres]

Hi

Finally I've finished it some days ago . :) ALCO R22 valve works OK with R507 :) . Cascade is making sth like -101*C unloaded and -92*C @ 225W load (heavy tunning, for 250+++ W) .

http://www.members.lycos.co.uk/piotres2/sc18clpistono/15.jpg

Suction line is braided, with factory brazed ends :) .

http://www.members.lycos.co.uk/piotres2/sc18clpistono/16.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/17.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/18.jpg

I've add expansion tank in bit unnormal place :D :D (lack of space inside case) .

http://www.members.lycos.co.uk/piotres2/sc18clpistono/19.jpg

First run.

http://www.members.lycos.co.uk/piotres2/sc18clpistono/20.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/21.jpg

I must finally mount cut-off in another place (it had colided with gauges :( ).

http://www.members.lycos.co.uk/piotres2/sc18clpistono/22.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/23.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/24.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/25.jpg

http://www.members.lycos.co.uk/piotres2/sc18clpistono/26.jpg

Unloaded finally :) .

http://www.members.lycos.co.uk/piotres2/sc18clpistono/27.jpg

Loaded 225W finally :) .

http://www.members.lycos.co.uk/piotres2/sc18clpistono/28.jpg

Cascade is already packed in HEAVY wooden box (pack weight 96kg :eek: ) and it's waiting for courier's pick-up :yepp: .

Regards
Peter

[Dualist]

Can't see piccies :(

[Marvin]

very nice build.
[]s

[piotres]

@Dualist : Lycos sometimes is not working, but usually it's :D .

[elpistono]

monster:D

[M.Beier]

Sexy =)

[Jort]

Nice cascade build piotres, 225W is a Good heatload.

GL with shipping ;)

[N3RO]

Nice cascade ;)