My Chiller Setup **Lots of pictures**
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How to size a chiller
How to size a chiller
Tonytooth Hear is a good way to size a chiller to a reef tank, say you have a 180 gal reef tank 180 gal 180 times 8.33=1,499 pounds of water you a tem of 83 deg and you to keep at 79 deg 83-79=4 deg 1,499times 4=5996 BTU. So a 6000 btu chiller will work. RGibson
How to size a chiller
Tonytooth Hear is a good way to size a chiller to a reef tank, say you have a 180 gal reef tank 180 gal 180 times 8.33=1,499 pounds of water you a tem of 83 deg and you to keep at 79 deg 83-79=4 deg 1,499times 4=5996 BTU. So a 6000 btu chiller will work. RGibson
How to size a chiller
How to size a chiller
Tonytooth Hear is a good way to size a chiller to a reef tank, say you have a 180 gal reef tank 180 gal 180 times 8.33=1,499 pounds of water you a tem of 83 deg and you to keep at 79 deg 83-79=4 deg 1,499times 4=5996 BTU. So a 6000 btu chiller will work. RGibson
How to size a chiller
Tonytooth Hear is a good way to size a chiller to a reef tank, say you have a 180 gal reef tank 180 gal 180 times 8.33=1,499 pounds of water you a tem of 83 deg and you to keep at 79 deg 83-79=4 deg 1,499times 4=5996 BTU. So a 6000 btu chiller will work. RGibson
ReefRelated
Moved On
stranglehold said:
Hey RGibson you want to explain that one for me?
I use a metering device/capillary tube.
Capillary tube and a Expansion valve
Capillary tube and a Expansion valve
Tonytooth A capillary tube is a metering device so is a expansion valve.The differents is the expansion valve can a just the load of the chiller, like a speed control on a car a capillary tube runs only at one speed. RGibson
Capillary tube and a Expansion valve
Tonytooth A capillary tube is a metering device so is a expansion valve.The differents is the expansion valve can a just the load of the chiller, like a speed control on a car a capillary tube runs only at one speed. RGibson
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Sorry I didn't get those pic for you guys today but it rained all day and I was running around like a chicken with my head cut off. I promise tomorrow I will get some pics of the unit outside for you. Yeh your right... they are both metering devices mine happens to be a capilary tube. Its hard to remember all this. 
AcroSteve
Make my Funk a P-Funk
So if the high side freon comes out of the compressor and through the outdoor unit and then into the house. the capilary tube or expantion valve is immiediately before the heat exchanger, right? Very similar to what I have on my heat pump.
If there was only an expantion valve, it would be in-line with no other connections, correct?
With the capillary tube in use, where do the other ends of it connect(these are out of the picture)? Does the main freon loop continue through the heat exchanger?
How is it that the expantion valve can adjust the chiller? The expantion valves on home ac systems do not operate that way do they? The systems just comes on when the setpoint is reached and then turns off when the differential is satisfied, right?
If there was only an expantion valve, it would be in-line with no other connections, correct?
With the capillary tube in use, where do the other ends of it connect(these are out of the picture)? Does the main freon loop continue through the heat exchanger?
How is it that the expantion valve can adjust the chiller? The expantion valves on home ac systems do not operate that way do they? The systems just comes on when the setpoint is reached and then turns off when the differential is satisfied, right?
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stranglehold said:
I will try and help you as much as I can. Yes the cap tube is right before the heat exchanger. Don't know about expansion valve cause I don't do AC. I believe the cap tube stops just before it goes into the heat exchanger and it is basically soldered in like it is in the pic. It is covered with insulation so I can't take a pic of it but I'll try and show you it later. How does it adjust the chiller? Well as far as I know the only thing doing the adjusting is my thermostat. This cap tube was out of the window unit.
Proportiional control for a chiller
Proportiional control for a chiller
A expansion valve is a proporional control for a chiller and hear is how it works.A on top of the expansion valve is a thermostatic element with a tube coming out of top,at the in of the tube is a temperature sensing bulb. Both the bulb and the element are fill with R-22 gas. The bulb is strap to the suction line of the chiller.As the suction line gets colder the expansion valve will close when suction line gets warmer the valve the opens. Expansion valves are used in home AC cars ,refrigeration . Thay lower the cost of running Airconditiong and chillers ,thay just more than cap tube how more about $40.00 RGibson
Proportiional control for a chiller
A expansion valve is a proporional control for a chiller and hear is how it works.A on top of the expansion valve is a thermostatic element with a tube coming out of top,at the in of the tube is a temperature sensing bulb. Both the bulb and the element are fill with R-22 gas. The bulb is strap to the suction line of the chiller.As the suction line gets colder the expansion valve will close when suction line gets warmer the valve the opens. Expansion valves are used in home AC cars ,refrigeration . Thay lower the cost of running Airconditiong and chillers ,thay just more than cap tube how more about $40.00 RGibson
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Moved On
Thanks RGibson...would you prefer this over a cap tube on your chiller. You say $40.00 more....how much do they cost total because I just used the cap tube from the window unit so I didn't spend any extra on a metering device.
Yes i would prefer this over a cap tub for my chiller for a cost of $40.00. But at the same time you used the cap tube that came with your window unit would make it much easier for ones that want to build a chiller . Useing a window unit to build a chiller is the best thing that has happen to reef tanks in a long time it gets the heat and noise outside where it should be in the first place and the cost is low and you can allso bring down the ele bill . Have a good day Tonytooth. RGibson
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Here's the pics I promised. This is the best I could do. The camera was against the wall.
AcroSteve
Make my Funk a P-Funk
I think I got my teminology confused.
My heat pump has a changeable orfice. Not really an expantion valve (unless the orfice is part of the valve). The orfice size is specified by the size of the "A" coil that is used in the system. This is what I referred to as an expantion valve.
This orfice is not adjustable like the expantion valve is it? It would function much more like the capilary tube.
This leads me to believe that there are at least three different ways of transitioning between the high side and the low side, thus producing the "cooling". Capillary tube, expantion valve, and orfice.
But, it does make it much simpler to re-use all that can be used from the original donor unit.
The picture showing the capillary tube coil is just before the titanium coil, right? And where the small tube exits behind the pvc at the bottom of the picture - where does it go?
My heat pump has a changeable orfice. Not really an expantion valve (unless the orfice is part of the valve). The orfice size is specified by the size of the "A" coil that is used in the system. This is what I referred to as an expantion valve.
This orfice is not adjustable like the expantion valve is it? It would function much more like the capilary tube.
This leads me to believe that there are at least three different ways of transitioning between the high side and the low side, thus producing the "cooling". Capillary tube, expantion valve, and orfice.
But, it does make it much simpler to re-use all that can be used from the original donor unit.
The picture showing the capillary tube coil is just before the titanium coil, right? And where the small tube exits behind the pvc at the bottom of the picture - where does it go?
gbundersea
New member
Cheap A/C at Wal-Mart
Cheap A/C at Wal-Mart
Just got back from my local Wal-Mart (in the New Orleans area.) They're selling 5200 BTU Fedders window A/C units for $91.20. The Wal-Mart website shows them at $98.00, but I just saw the lower price with my own eyes. Note: This is NOT the one with the remote control, which is about $20.00 more.
This would probably make a great chiller for slightly smaller systems.
Wal-Mart also sells 6000 BTU units for $148.00, and larger ones as well.
__________________
Don't miss my Jensalt sump horror story site.
__________________
Greg Bunch
http://www.gbundersea.com
Home of the Digital Lens Dock, MXTENDER, Save-A-Lens Kit, and u/w photography
http://www.reefngom.org
Co-founder and fish ID instructor
REEF Field Station of the Northern Gulf of Mexico
Cheap A/C at Wal-Mart
Just got back from my local Wal-Mart (in the New Orleans area.) They're selling 5200 BTU Fedders window A/C units for $91.20. The Wal-Mart website shows them at $98.00, but I just saw the lower price with my own eyes. Note: This is NOT the one with the remote control, which is about $20.00 more.
This would probably make a great chiller for slightly smaller systems.
Wal-Mart also sells 6000 BTU units for $148.00, and larger ones as well.
__________________
Don't miss my Jensalt sump horror story site.
__________________
Greg Bunch
http://www.gbundersea.com
Home of the Digital Lens Dock, MXTENDER, Save-A-Lens Kit, and u/w photography
http://www.reefngom.org
Co-founder and fish ID instructor
REEF Field Station of the Northern Gulf of Mexico
nice chiller tony ( patting myself on the back 
) need to make some money anyone want that at there home ? as far as efficiency it draws a wopping 4.5 amps . Compressor fan and controller all together. another company claims to have the most efficient systems at like 9 amps for a 1/2 ton / hp system I think we got them beat. those guys are slow cooling too.
) need to make some money anyone want that at there home ? as far as efficiency it draws a wopping 4.5 amps . Compressor fan and controller all together. another company claims to have the most efficient systems at like 9 amps for a 1/2 ton / hp system I think we got them beat. those guys are slow cooling too.Similar threads
