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Pardons 26th September 2009 12:43

Wip : Ss
 
Hi folks,
After my single stage practise unit i thought it was time to make something worthy to use :D With some luck i found a free and useable coolgroup. It had some nice components in it and all they needed was some refurb loving :D

Here are some pics to start with

The victim


Trading old for new

Made proces, paintjob


The compressor is a pretty strong Uniti hermetique CAE9460T.
I wil update this now and then while more has been done

*edit*
A bit more work has been done :D

Overall look without fanhouse


New vibrationpads underneath the compressor, the old ones were really grannystyle


Any comments on the de-superheater coil?
The suction lenght?
I'm going to take 2.4M cappilair

Massman 26th September 2009 13:07

What performance are you aiming at?

Pardons 26th September 2009 22:06

Quote:

Originally Posted by Massman (Post 244807)
What performance are you aiming at?

I'm happy with any end result :)
better then nothing i assume :D

blind_ripper 27th September 2009 09:21

Quote:

Originally Posted by Pardons (Post 244815)
I'm happy with any end result :)
better then nothing i assume :D

well ur goal should be beter then the colin unit (still working) -30°C idle.

Pardons 27th September 2009 22:11

Quote:

Originally Posted by blind_ripper (Post 244822)
well ur goal should be beter then the colin unit (still working) -30°C idle.

hehe my prototype reached -32°c, the one with the 1/8HP compressor and supersmall condensor.

This unit wil be complicated, i have a R22-502 compressor, so i'm forced to put an alternative gas on it wich is R417A or if possible to change oil R402a.
And i have no idea how that will work out, my best gas laying around is R410A. But i can't use that one cause it would kill the oil and compressor .

I'm hoping to reach at least -50°c idle :D

Pardons 29th September 2009 09:38

Yesterday first test of the system .

Learned allot :D

it seems that evap design is really important , while gassing the system and starting it, temps were dropping very very fast to -40, once the system was filled temps dropped back to a loazy -25°c within secs...i was scratching my head, how could this be possible???

-->evap
I made a custom test evap at work , but it has no canals and the capilair lays next to the suction line, in other words , it goes in and gets sucked away before it even makes change to evaporate lol.

Anyhow, a decent evap wil be made so we can test again.

System was filled with R417A

blind_ripper 29th September 2009 09:54

u can alway's order a pre brazed suction line on the net (incl evap).

now where are those pics ??? :p

Pardons 29th September 2009 10:21

Quote:

Originally Posted by blind_ripper (Post 244924)
u can alway's order a pre brazed suction line on the net (incl evap).

now where are those pics ??? :p

yeah i saw those at piotres site and they look nice, but like said its more fun when you see your own creation up and running :)

what pics?:D

blind_ripper 29th September 2009 11:46

off the unit running offcourse :D.

Pardons 29th September 2009 12:19

Quote:

Originally Posted by blind_ripper (Post 244938)
off the unit running offcourse :D.

Gimme a few minutes i will take some pics ^^


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