Forum: Tools
01-15-13, 09:11 AM
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Replies: 12
Views: 8,766
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Forum: Tools
01-14-13, 09:58 PM
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Replies: 12
Views: 8,766
Thanks Steve.
I did use a piece of copper...
Thanks Steve.
I did use a piece of copper tubing insulating foam, but I still had inconsistent results. I think maybe I didn't have the thermocouple pressed up against the tubing enough. The...
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Forum: Tools
01-14-13, 03:51 PM
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Replies: 12
Views: 8,766
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Forum: Geothermal & Heat Pumps
01-13-13, 12:43 PM
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Replies: 64
Views: 27,925
Yes, it was -5 F outside this morning and the...
Yes, it was -5 F outside this morning and the system wasn't running too much to keep the house nice and warm, so I know it's working WAY better.
I guess we're sort of energy pigs! :o We keep...
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Forum: Geothermal & Heat Pumps
01-11-13, 07:04 PM
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Replies: 64
Views: 27,925
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Forum: Geothermal & Heat Pumps
01-11-13, 07:02 PM
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Replies: 64
Views: 27,925
Attached is a system diagram with temps and...
Attached is a system diagram with temps and pressures after the repair. As I said in my prior post, these temps may not be very accurate. I'm posting this just so you can see a diagram of my WTW...
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Forum: Geothermal & Heat Pumps
01-11-13, 06:15 PM
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Replies: 64
Views: 27,925
Thanks both AC and Brad.
Well the job is...
Thanks both AC and Brad.
Well the job is done. Kyle the HVAC guy was FAST. He was here for about 1:45 total!
I removed the control cabinet before he got here so he could get at the old TXV...
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Forum: Geothermal & Heat Pumps
01-11-13, 08:00 AM
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Replies: 64
Views: 27,925
Hey guys,
No one gave me a good answer to...
Hey guys,
No one gave me a good answer to the following question: If you don't know the refrigerant capacity of a water to water system like this, what is the best method to fill it to the...
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Forum: Geothermal & Heat Pumps
01-09-13, 10:45 PM
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Replies: 64
Views: 27,925
I'll see what I can do.
I don't want to...
I'll see what I can do.
I don't want to make the HVAC tech paranoid with me both watching and taking pictures of his work! :-)
I think he's already a bit on the defense since I actually seem...
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Forum: Geothermal & Heat Pumps
01-09-13, 09:51 PM
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Replies: 64
Views: 27,925
AC,
It's amazing what you and others have...
AC,
It's amazing what you and others have built for so little money. I looked into a replacement 4 ton water to water heat pump and the local dealers want $5-$6k. When I look at what the parts...
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Forum: Geothermal & Heat Pumps
01-09-13, 10:59 AM
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Replies: 64
Views: 27,925
Also, I did arrange with the HVAC company that...
Also, I did arrange with the HVAC company that put in the replacement compressor a few years back to come out and evacuate the system, install the new TXV, and vacuum out and recharge the unit.
I...
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Forum: Geothermal & Heat Pumps
01-09-13, 10:33 AM
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Replies: 64
Views: 27,925
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Forum: Geothermal & Heat Pumps
01-09-13, 07:35 AM
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Replies: 64
Views: 27,925
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Forum: Geothermal & Heat Pumps
01-08-13, 10:03 PM
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Replies: 64
Views: 27,925
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Forum: Geothermal & Heat Pumps
01-08-13, 09:44 PM
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Replies: 64
Views: 27,925
Even with the cool 50 degree source well water...
Even with the cool 50 degree source well water and an ouptut load temp of 110 degrees, moving both the well and load sides at about 10 GPM, the unit should move over 40k BTU...
The ice trick was...
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Forum: Geothermal & Heat Pumps
01-08-13, 09:30 PM
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Replies: 64
Views: 27,925
Yes, it's a 4 ton unit.
I'm also not sure...
Yes, it's a 4 ton unit.
I'm also not sure where Steve got the 24,000 BTUs from either.
I attached the datasheet for the new compressor in a previous post.
I don't have any information on the...
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Forum: Geothermal & Heat Pumps
01-08-13, 08:20 PM
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Replies: 64
Views: 27,925
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Forum: Geothermal & Heat Pumps
01-08-13, 08:18 PM
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Replies: 64
Views: 27,925
Guys,
I also noticed that if I put ice on...
Guys,
I also noticed that if I put ice on the TXV bulb, the temp dropped in the evaporator. When I did this, I also noticed significantly more output heat from the condenser into the load,...
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Forum: Geothermal & Heat Pumps
01-08-13, 08:04 PM
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Replies: 64
Views: 27,925
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Forum: Geothermal & Heat Pumps
01-08-13, 07:59 PM
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Replies: 64
Views: 27,925
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Forum: Geothermal & Heat Pumps
01-08-13, 10:08 AM
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Replies: 64
Views: 27,925
Hi AC,
Post #1 in this thread listed the...
Hi AC,
Post #1 in this thread listed the pressures and temps as follows:
High R22 pressure 240 PSI
Suction R22 pressure 54 PSI
R22 line temp entering the evaporator 43.7 degrees
R22 line...
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Forum: Geothermal & Heat Pumps
01-08-13, 07:57 AM
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Replies: 64
Views: 27,925
Thanks Brad.
The gas and gear thread is a...
Thanks Brad.
The gas and gear thread is a very interesting and is mostly nothing related to the thread name! The controller project looks very cool. Sounds like you're really into this stuff...
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Forum: Geothermal & Heat Pumps
01-07-13, 11:10 AM
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Replies: 64
Views: 27,925
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Forum: Geothermal & Heat Pumps
01-07-13, 11:02 AM
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Replies: 64
Views: 27,925
Guys,
What kind of brazing rods are the best...
Guys,
What kind of brazing rods are the best and easiest to work with? Also, what do I need for flux?
I assume taking apart an existing brazed join is the same as a soldered join, just more...
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Forum: Geothermal & Heat Pumps
01-07-13, 09:11 AM
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Replies: 64
Views: 27,925
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