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Thread: 650 foot well?
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08-01-2011, 08:02 PM #1
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650 foot well?
I have a house that I am getting ready to install a 038 ttv climatemaster at, the house has a 2.4 ton cooling load and I was planning on using two 300ft vertical wells with one inch pipe. The water well driller on this job drilled a 650 ft water well that only produced one gallon a minute so the owner is asking me if we can use that well and just do a single 1300ft closed loop. Have any of you guys installed a loop this long? bigger pumps? efficiency issues? Thanks,
Bryan
BTW drilling and grouting are very high in my area 18-ft.
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08-01-2011, 08:51 PM #2
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One GPM? Must be a mistype or I read something wrong. 4 to 6 GPM would be the min. for a 2 1/2 ton unit. I quess he could put in a tower and only run the unit every couple of hours for a few minutes.
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08-02-2011, 05:51 AM #3
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the one gpm number is for the unusable 650ft water well that we would change to a closed loop 8-9 gpm well. (one loop, pressurized and grouted top to bottom)
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08-02-2011, 05:54 AM #4
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The original well was for potable water for the house and it just did not hit enough water so we are trying to make lemonade out of this lemon.
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08-05-2011, 03:27 PM #5
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You're going to want to step up to 1 1/4 pipe to accommodate the 9gpm needed by the ttv038.
650 vertical feet of pipe should be more than enough for a 3-ton system depending on where you're located. If you have access to ClimateMasters GeoDesigner software I would run it through that to confirm.
As far as pumping goes, you'll likely have to bump up to a dual 26-99 flowcenter for this one. (that'd still be much more affordable over the long haul than drilling 2 new holes in the ground).
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08-11-2011, 11:54 AM #6
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Did they hit magma?
It should be fine to use as long as you use the proper piping and circulators to get your GPM right and reynolds number within line.
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11-02-2011, 07:13 PM #7
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yea...high heating loads and hard rock require those kind of depths
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11-14-2011, 02:50 PM #8
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We had an 800ft artesian well drilled on a ranch I worked on. It was capped off like an oil well, the hose coming off it was the size of a firehose, and it would fill a 10,000 gallon tank in about 45 minutes.
The water temperature coming out of it was 79F. They used it to heat their house in the winter.
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