Refrigerant Check

General topics about all things heating, ventilation, air conditioning and refrigeration.

Refrigerant Check

Postby Dxrocaa4 » Fri Apr 06, 2012 4:44 pm

What's the best & fastest way to check if residential home system has enough refrigerent to run the sytem?
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- Refrigerant Check

Postby Big » Sat Apr 07, 2012 6:36 am

Sub-cool or superheat
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- Refrigerant Check

Postby Freon » Sat Apr 07, 2012 4:28 pm

To add to Big's good response, you can check a sight glass, if it's available. That's a very effective and time saving method. However because a homeowner can also do that to know if a service call es necessary, many installers never add sight glasses to the system. Best place for a sight glass is just before the evaporator coil.
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- Refrigerant Check

Postby heatseeker » Mon Apr 09, 2012 8:24 am

if it isnt cooling right is a pretty good indication.
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