Forum: Geothermal & Heat Pumps
02-25-14, 04:50 PM
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Replies: 36
Views: 28,348
Ok, lets get detaily.
In a typical R22...
Ok, lets get detaily.
In a typical R22 unit, we have 70 psig low side and 225 psig high side pressures. In a R410a unit, these pressures are 120 psig and 350 psig respectively. So we have twice...
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Forum: Geothermal & Heat Pumps
02-25-14, 03:57 AM
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Replies: 36
Views: 28,348
how about a water analogy? If you only have 20...
how about a water analogy? If you only have 20 psi of water pressure, you're going to need much larger supply pipes to feed the same gpm than if you had 50 psi of water pressure.
Yes, the laws of...
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Forum: Geothermal & Heat Pumps
02-24-14, 03:57 AM
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Replies: 36
Views: 28,348
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Forum: Geothermal & Heat Pumps
02-24-14, 03:23 AM
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Replies: 36
Views: 28,348
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Forum: Geothermal & Heat Pumps
02-22-14, 04:29 PM
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Replies: 36
Views: 28,348
The multiple paths and thin lines are a method...
The multiple paths and thin lines are a method used in r410 units because they can tolerate more pressure drop in the lines. Since the high side is so high pressure, the smaller lines do not hinder...
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Forum: Geothermal & Heat Pumps
02-21-14, 05:32 PM
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Replies: 36
Views: 28,348
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Forum: Geothermal & Heat Pumps
01-14-14, 08:18 PM
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Replies: 36
Views: 28,348
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Forum: Geothermal & Heat Pumps
01-14-14, 01:32 PM
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Replies: 36
Views: 28,348
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Forum: Geothermal & Heat Pumps
01-13-14, 05:36 PM
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Replies: 36
Views: 28,348
aquario just posted up a new offering from...
aquario just posted up a new offering from Danfoss: the digital compressor package. The components of this "roll your own" package are very similar to what you have.
check it out:
...
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Forum: Geothermal & Heat Pumps
01-12-14, 04:37 PM
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Replies: 36
Views: 28,348
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Forum: Geothermal & Heat Pumps
01-12-14, 04:17 PM
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Replies: 36
Views: 28,348
It looks to me like what you have is a...
It looks to me like what you have is a "mix-and-match" unit. Much like the automotive industry, the mfr's have made these mini-split units interchangeable. Terms such as "platform" and "brand...
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Forum: Geothermal & Heat Pumps
01-12-14, 10:45 AM
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Replies: 36
Views: 28,348
Is it one of these units?
Midea Heat Pumps,...
Is it one of these units?
Midea Heat Pumps, New Zealand (http://www.midea.net.nz/Heat-Pumps)
Model number or numbers? I have come not to trust the claims of the off-brands, as well as many of...
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