Cooler project.

grius

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Hello.

I recently started a huge cooler project for three terrariums that I built a while ago. I have had a similiar build in mind several years and finally I can try my idea for real.

I wanted it well insulated and whent for a sandwich method. Outside material is 12mm plywood, 50mm XPS insulation and on topp of that so called formplywood, a great wood that can handle most weather and a material I have been using for terrariums maybe 10years.

Because I did not want to many skrew holes on the inside I had to skrew all wood from underneath, all pieces that stands on the bottom will say. It took a while and lucky enough no cracks(with bad skrews it is easy when you only have 12 mm to attach in)

First I saw all studs which took maybe 2ours, and then only two days to finish the base( pic 11) Much easier to assambly than exspected even though 39 wood pieces+ many meter beam for stand etc to attach.

Pvc pipes to conect the freezer is the only thing left, and I hope the post office will find my lost parcel that should have arrived last week. They are now trying to track it for me.

This is the freezer cooling method as you can see in the last picture. I tried a huge cooler build a few years ago but did not think the desighn through much, but this time with great insulation material in walls, front parts, whole topp and under the wood cabin I am certain it will work great. This freezer also have a good freezing capacity which I guess is very important.

Inner dimensions: 250x65x52cm. There are space in the whole roof, behind and 3cm between terrariums, both for better air circulation but also for coold to reach everywhere.
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I attached studs from the outside to press foam in place.
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Later I decided to make the lid more steady and skrewd a few studs here and there.
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This is what i have done last couple of days, sawn/painted the framing( strips??) and made the door. Upper front is also insulated/sandwich method.
Bottle is only a 0,5 liter.
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T5 6500k fluorescent in place( much more yellow in picture than real life, also not as bright snf if dtill to bright that is easy to cover upp alittle to make my salamanders happy) This product is water proof and could therefor be attached on the inside which saved me lots of work.
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The cord goes out through the wall and sealed around with silicone as every joint, skrew hole and edges. I almost empty a whole silicone tub to really be sure no moisture can penetrate into the wood.

If you have questions just ask :)
 
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I have built three terrariums in 6mm glass. One 100x55x34cm, one 76x55x34, and one 67x55x34cm lxwxh. This is the largest.

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Older Sketch to show you how this will look with terrariums. This was my first idea for my other terrariums. I feelt that this got to big tho.
 
Store is sending me a new parcel today and hopfully I have my pipes latest friday. Btw, terrarium in the picture is the 76cm long, I posted wrong pic.

There is one more product left for this build, a termostat for the pc fan and that I will order any day now. Always is there something you have to spend more money on.

Anyhow. II think my group of 4 S.s.gallaica, group of 6 T.marmoratus and group of 4 A.mavortium will be able to move to their new cooler saurday-sunday. There is no silicone smell left, and by then it will be totally safe in there.
 
Thank you! I can tell you I have had my doubts since a few ours back when I placed terrariums in there for a first real try/no sals tho). I am using rubber bands to cover all small slits between the terrarium front and wood front. (pipes arrived yesterday)
For the moment the middle terrarium is the coldest with 12.8degrees in room temp at 19,5. That's not very bad! But, today I got an email from a guy who build coolers for plants, and he told me how I can get even better effect using 120mm pipes and 120mm pc fan, that is what I am gona do, I need to buy new pipes and saw a few new holes in both freezer and wood bottom.. This guy also sell a termostate for both cooling, hot and humidity source controll. I ordered one týesterday and it was very cheap strange enough.

Anyhow. If I can keep max 20degrees during hot summers I'm satesfied, and as it is now I do not think that will be no probleme.

More updates will come soon :)
 
I have conected the fan to the termostate and it woks great.

This is how it works.
(Desired temp 17,2)
17,1degrees. fan turns off.
17,3, fan turns back on.

This is all I could figure out after 6-7ours trying. All information out there is in chinese, and the manualt I got in the package is almost as hard to read as chinese.
Very cheap and accurate termostate, light weight as well.

Aliexpress.com : Buy FREE shipping 1PCS Digital Temperature and Humidity Controller with sensor In Stocks from Reliable sensor capacitive suppliers on XNY Auto
 
So first sals have moved in to the cooler, marmoratus. For the moment termostate is set on 8 degrees and just for test I am now trying down to 7degrees, this is also with flourescent on, that is 3-4degrees extra to cool down if on a whole day. So the cooler works well even with the broken 120 computer fan( broke a wing) And my thought is to use a ventilation fan if necessary during summer.

So because of the cooling effekt lost from flourescent I will change to 6500k LED strips. Very cheep, no shipping cost and a dimmer from another seller only cost like a big coca cola with shipping counted. I think this will be påerfect and the freezer will have to work less.

http://www.ebay.com/itm/5M-10M-20M-..._Lights_Fairy_Lights&var=&hash=item4d11b89dba


I will take a few pics as fast all sals are moved.
 
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I will take better pics soon. Gallaica to the left, marms and then mavortium.
This is how the gallaica terrarium looks like.
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