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Search: Posts Made By: doug30293
Forum: Geothermal & Heat Pumps 08-31-15, 02:10 PM
Replies: 27
Views: 12,933
Posted By doug30293
There is an engineering report somewhere on the...

There is an engineering report somewhere on the web of an R22 HVAC compressor unit exploding because the service tech failed to evacuate it properly before charging with refrigerant. R22 has a range...
Forum: Geothermal & Heat Pumps 08-27-15, 04:39 PM
Replies: 27
Views: 12,933
Posted By doug30293
That sounds like formicary corrosion. It is a...

That sounds like formicary corrosion. It is a big problem with R410 systems. I've never heard of it on an R22 system. About the time manufacturers switched to higher pressure R410 they also...
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