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TRG-TRC005-EN 39
period five
Accessories
notes
Suction Line Filter
Similar to the liquid-line filter drier, the suction line filter performs the task of
removing foreign matter from the refrigeration system. It is installed in the
suction line, just upstream of the compressor.
The suction filter contains filter media to remove copper filings, flux, dirt, and
other foreign matter that may have been introduced during the installation
process or as the result of a compressor failure. It protects the compressor parts
from the abrasive action that could result if these materials enter the
compressor. Dirt can obstruct oil passages, robbing the compressor bearings of
lubrication.
Similar to the liquid-line filter drier, the two common types of suction line filters
are replaceable core and sealed. The replaceable core type allows the core to be
easily replaced. The sealed type is completely closed, reducing the chances of
refrigerant leaks.
Suction Line Filter
suction
suction
line filter
line filter
compressor
compressor
suction
suction
line
line
Figure 56
Suction Line Filter
replaceable
core type
sealed type
Figure 57