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Search took 0.00 seconds. Search: Posts Made By: BradC
Forum: Geothermal & Heat Pumps 06-05-15, 06:57 PM
Replies: 220
Views: 134,080
Posted By BradC
Except he did get more heat. The discharge gas...

Except he did get more heat. The discharge gas did not get any hotter, but the condensing temperature was 113F and increased to 117F (210 vs 220 PSI). Not a massive, but a tangible increase.
Forum: Geothermal & Heat Pumps 06-04-15, 10:36 PM
Replies: 220
Views: 134,080
Posted By BradC
Ok, I'm late to this party primarily because you...

Ok, I'm late to this party primarily because you guys are awake and at it while I'm asleep.

Don't use the TXV. Now here's why. The sole purpose of a TXV is to maximise the use of the evaporators...
Forum: Geothermal & Heat Pumps 06-04-15, 06:50 AM
Replies: 220
Views: 134,080
Posted By BradC
Look, the reality is that a refrigeration system...

Look, the reality is that a refrigeration system is a balance. A properly designed system will have a defined heat load on the evaporator, a condenser to suit and a compressor and cap tube to suit...
Forum: Geothermal & Heat Pumps 06-03-15, 10:38 PM
Replies: 220
Views: 134,080
Posted By BradC
So that is about 87C. Most compressor data sheets...

So that is about 87C. Most compressor data sheets I've checked seem to think that over 100 is worth worrying about (212F). It's hot, but it's not out of the ballpark for a refrigeration system.
...
Forum: Geothermal & Heat Pumps 06-03-15, 10:14 PM
Replies: 220
Views: 134,080
Posted By BradC
To be honest, unless the coil surrounding the...

To be honest, unless the coil surrounding the compressor is pretty much bonded to the shell it's doing almost nothing for you. Radiant heat from the shell will superheat the gas in the pipe which...
Forum: Geothermal & Heat Pumps 06-03-15, 02:20 AM
Replies: 220
Views: 134,080
Posted By BradC
Compressors are either cooled by fan or cooled by...

Compressors are either cooled by fan or cooled by suction gas.
Cooled by fan is obvious. You need a constant airflow over the shell. Cooled by suction gas requires a minimum mass flow and a minimum...
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