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small (2000 btu/hr) units? Jack.Swelters 07-08-2006
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Posted by on July 8, 2006, 1:16 am
Newbie question: I live in the tropics and would like to reduce 70
percent relative humidity and 30+ C temperatures in my sleeping space
(to say 40 RH and 27 C, ie focus on humidity reduction). Since building
enclosures are leaky and hot I'm thinking of a small (say 25 cubic
meter) tent-like space, in effect a room within the room. Seems to me
that 2000 btus capacity would do the trick but there is nothing here
(Bangkok) less than 9000 and most people use 12000 for bedrooms (90
percent split units) so they can cool the concrete that heats in the
afternoon sun.

Would a small machine be thermodynamically infeasible? Are there say
small units, say for small cars or boats, that could be adapted? Has
the military come up with any good stuff for tents? you would think
that someone would have shown interest in smaller units -- big energy
savings -- but maybe there is some technical reason aside from market
considerations?

Thanks for any ideas on this.

Swelters


Posted by PrecisionMachinisT on July 8, 2006, 2:22 am

> Newbie question: I live in the tropics and would like to reduce 70
> percent relative humidity and 30+ C temperatures in my sleeping space
> (to say 40 RH and 27 C, ie focus on humidity reduction). Since building
> enclosures are leaky and hot I'm thinking of a small (say 25 cubic
> meter) tent-like space, in effect a room within the room. Seems to me
> that 2000 btus capacity would do the trick but there is nothing here
> (Bangkok) less than 9000 and most people use 12000 for bedrooms (90
> percent split units) so they can cool the concrete that heats in the
> afternoon sun.
>
>

Pinch off the suction line till just before all hell freezes over at the
evaporator coil.

--

SVL







Posted by aka-SBM on July 8, 2006, 11:24 am

>
>> Newbie question: I live in the tropics and would like to reduce 70
>> percent relative humidity and 30+ C temperatures in my sleeping space
>> (to say 40 RH and 27 C, ie focus on humidity reduction). Since building
>> enclosures are leaky and hot I'm thinking of a small (say 25 cubic
>> meter) tent-like space, in effect a room within the room. Seems to me
>> that 2000 btus capacity would do the trick but there is nothing here
>> (Bangkok) less than 9000 and most people use 12000 for bedrooms (90
>> percent split units) so they can cool the concrete that heats in the
>> afternoon sun.
>>
>>
>
> Pinch off the suction line till just before all hell freezes over at the
> evaporator coil.
>
> --
>
> SVL
>
>
>
>
>
>

I had a Rheem this morning that had all the classic symtoms of a blocked
liquid line. suction 20psi, liquid 450psi, trip on internal after about 30
seconds....
Recovered, cracked open the flowraters connection, and found....


Carpet fibers. Go figure.

It did a great job for a while of filtering LOLOLOL!!!



Posted by Bennett Price on July 8, 2006, 1:20 pm
Take a look at
http://www.mcleanthermal.com/airConditioners/index.jsp

Jack.Swelters@gmail.com wrote:
> Newbie question: I live in the tropics and would like to reduce 70
> percent relative humidity and 30+ C temperatures in my sleeping space
> (to say 40 RH and 27 C, ie focus on humidity reduction). Since building
> enclosures are leaky and hot I'm thinking of a small (say 25 cubic
> meter) tent-like space, in effect a room within the room. Seems to me
> that 2000 btus capacity would do the trick but there is nothing here
> (Bangkok) less than 9000 and most people use 12000 for bedrooms (90
> percent split units) so they can cool the concrete that heats in the
> afternoon sun.
>
> Would a small machine be thermodynamically infeasible? Are there say
> small units, say for small cars or boats, that could be adapted? Has
> the military come up with any good stuff for tents? you would think
> that someone would have shown interest in smaller units -- big energy
> savings -- but maybe there is some technical reason aside from market
> considerations?
>
> Thanks for any ideas on this.
>
> Swelters
>

Posted by Stormin Mormon on July 9, 2006, 10:39 pm
I know of no such device as a 2,000 BTU air conditioner. Though, it
would be possible to build with a fractional HP compressor. Have you
consulted with some local HVAC folks?

--

Christopher A. Young
You can't shout down a troll.
You have to starve them.
.

Newbie question: I live in the tropics and would like to reduce 70
percent relative humidity and 30+ C temperatures in my sleeping space
(to say 40 RH and 27 C, ie focus on humidity reduction). Since
building
enclosures are leaky and hot I'm thinking of a small (say 25 cubic
meter) tent-like space, in effect a room within the room. Seems to me
that 2000 btus capacity would do the trick but there is nothing here
(Bangkok) less than 9000 and most people use 12000 for bedrooms (90
percent split units) so they can cool the concrete that heats in the
afternoon sun.

Would a small machine be thermodynamically infeasible? Are there say
small units, say for small cars or boats, that could be adapted? Has
the military come up with any good stuff for tents? you would think
that someone would have shown interest in smaller units -- big energy
savings -- but maybe there is some technical reason aside from market
considerations?

Thanks for any ideas on this.

Swelters



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