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phase change water chiller components list? - Page 3

post #21 of 42
Thread Starter 
Oh, yeah, one more thing I wanted to ask about, the parts of the tubing (specifically 6" of tubing leding in and out of the evap) are covered in what looks like tar. Any word on what that might be, or what it's for?
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post #22 of 42
Yeh it is insulation for the suction line to prevent the build up of frost and condensation.
On the capiliary it is to stop the refrigerant from flashing off (boiling off).

You can remove it with acetone....(more nasty stuff)
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post #23 of 42
Can you take some pics of what your talking about to help us better guide you? That would be helpful
    
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post #24 of 42
Thread Starter 
Oh, sure, pictures coming in 5 mins tops.
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post #25 of 42
Thread Starter 
from teh condenser side



compressor



evap (the blue thingy had a temp sensor sticking trhough it, had to pull it out to get the termostat, etc out of the way)



where the evap used to be, and the fan. the paper is where the ooey gooey insulation goop is, I covered over it to make bending easier.




That's about everything I could think to include. If you'd need another picture, to uh, help? Then just ask and I'll go click it.

edit: In that last picture, does the u-bend look kinked? If it is, 1. how do I fix it, 2. what would happen if it wasn't fixed?
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post #26 of 42
Thread Starter 
2 hours later, here's the same unit without the fans, base, and thermostat.

the view of the whole thing



I looked at the tech sheet, and I'm not sure what this is, but it's either the "run. cap." or "thermistor" or both.



here's a really blurry shot on the on/off/hi/low switch



just a shot of the pipes after hours of bending and tweaking



just a shot of the evap and condeser again




some questions:
What's the ovular grey box thing?
Could I bypass the included switch and use a more attractive one, like a wall lightswitch?
What do I use for a ground (the third pin on the plug)? The unit before had the evap housing metal thingy as a ground, but that obviously won't work so well if it's submerged.
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post #27 of 42
That "ovular grey box" is the Capacitor, it's needed to start the compressor, no it cannot be bypassed (acctually it can but then the unit won't work )

That "Tar" is probably cork tape, it's like the "seal string" that come's with the Prometeia phase change unit's.

The Cap tube should not be insulated, rather it should be wrapped round the suction line, this allow's the refrigerant to be subcooled.

When the refrigerant is in it's liquid state inside the cap tube it is not cold, once it enter's the evap. there is a pressure difference, this allow's the liquid refrigerant to change state, while changing state it absorbes alot of energy, hence "Vapor Phase Change Cooling".

When we talk about sub cooling, it just mean's that we are further cooling the liquid, the suction line should be the only line that is insulated.

Ohh.. if the pipe is kinked then you can try to sort it by using a pair of plier's and pinching gently on the opposite side of the pipe, however if you have a flaring tool then just tighten up the clamp and the kind this will sort it
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post #28 of 42
Thread Starter 
I don't think doing ANYTHING "Gently" would affect this thing. =P I had to put some real muscle into bending those pipes, heh.

Anyway, I wasn't planning on bypassing teh capacitor. =P I think I've got almost everything figured out on the phase change end of the water loop. Only one thing left concerning me, the ground wire (3rd prong). It was attached to the evaporator braces before. I don't what to attach it to now (if anything?), because if there's a power surge, I don't want that ground wire in the liquid that has almost direct contact with my cpu. =/
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post #29 of 42
Quote:
Originally Posted by 711
I don't think doing ANYTHING "Gently" would affect this thing. =P I had to put some real muscle into bending those pipes, heh.

Anyway, I wasn't planning on bypassing teh capacitor. =P I think I've got almost everything figured out on the phase change end of the water loop. Only one thing left concerning me, the ground wire (3rd prong). It was attached to the evaporator braces before. I don't what to attach it to now (if anything?), because if there's a power surge, I don't want that ground wire in the liquid that has almost direct contact with my cpu. =/
Ahh don't be such a woosy, they're just copper pipe's...lol, they would have been slightly hard to bend it's just because they're not annealed...lol

Just take the ground wire off the evap and connect it to the compressor's feet
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post #30 of 42
Thread Starter 
Quote:
Originally Posted by PetrolHead
they would have been slightly hared to bend it's just because they're not annealed
Maybe also because they weren't made in the last 20 years? =P
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