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Repairing of Prometeia mach 1, Vapochill LS and LD unit

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piotres


Membre
Messages : 369

jeudi 15 mars 2012 à 04:10:35     
Hello

Currently I work over repairing 3 single-stages units:
-vapochill LS
-Prommie mach 1
-LD unit.

Each have been incomplete and/or damaged .

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Units were not good packed for shipping .

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Vapo LS (the strongest damage :eek:), LD SS and Mach 1.

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Mach 1 has been without suction line.

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I've started with Prommie
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I've removed stock electric.

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More pictures soon .

Regards
Peter
Google




     
moyen_moins


aka metalazzo | Anti²Bug
Messages : 10216

jeudi 15 mars 2012 à 11:00:59     
Hello Piotres,

A lot of work to be done on those SS.
Looks like people go to war with them
piotres


Membre
Messages : 369

vendredi 16 mars 2012 à 04:10:11     
yes , You're right :-S.


Prommie Mach 1 in progress :



Fresh oil.

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Case will be black now .

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New suction line by me - braided flex + 42mm steeper.

And some first run in cold workshop :
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Finaly it'll run much warmer .
moyen_moins


aka metalazzo | Anti²Bug
Messages : 10216

vendredi 16 mars 2012 à 11:08:23     
Did you make some test with load ?
piotres


Membre
Messages : 369

dimanche 18 mars 2012 à 11:18:06     
Yes, tested it with 280W, approx -30*C with that load .

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LD unit before mod.

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New black paint . Not powdercoat, just cheap homemade wet acrylic paint.

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Leak testing with nitrogen in water .

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Holddown must have been moded because I had only versions for 42/54mm evaps, and that one is 38mm.

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Also MUCH bigger condenser. New drier, added shrader valve on discharge side.

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to sum up .

BEFORE:

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AFTER:

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piotres


Membre
Messages : 369

dimanche 01 avril 2012 à 10:05:31     
Now Vapochill LS:

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Case has been heavy damaged, so I decide to remove it ...

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+remove whole stock electric.

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and scrap it ..

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That's amount of oil which I've poured from compressor :-O - approx 20 ml.

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And that's suggusted amount of new oil.

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Now that will be just benching unit on baseplate .

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First time I soft-solder captube to accumulator - and I've loved that work .

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Pressure testing of whole unit together .

Regards
Peter
Sk_rmouche


Apprenti Aigri
Messages : 17926

dimanche 01 avril 2012 à 10:19:09     
Testing a whole circuit in a bath ... You're definitely the only person that I know doing that
piotres


Membre
Messages : 369

dimanche 08 avril 2012 à 00:48:41     
"vapochill LS" has been finished and loadtested :

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Final unloaded temperature.

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Final 315W load temperature.

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We decided to change evap in "unit with LD case"- old wasn't flat .

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Plus suction line will be much longer now. Second suction line for another unit (CPU+GPU ).
piotres


Membre
Messages : 369

mardi 04 septembre 2012 à 01:16:37     
I have finished all of them a LONG time ago, but I haven't got much time to upload pictures....but here are them :


"LD" unit before mod:


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"LD" unit after mod:


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Temperature under 315W dummyload:

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------------------------------------

Prometeia before mod:


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Prometeia after mod:


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Temperature under 315W dummyload:

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-----------------------------------

All 3 units before mod:


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All 3 units after mod:


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I hope that You like them :yepp: :.

Regards
Peter
moyen_moins


aka metalazzo | Anti²Bug
Messages : 10216

mardi 04 septembre 2012 à 09:18:20     
Nice
Google




     
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