Filter
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40 TRG-TRC005-EN
notes
period five
Accessories
Replaceable core suction filters are commonly installed after a compressor
failure has occurred. The core is replaced after the foreign matter or acid has
been removed from the system.
Additionally, suction filters should be installed in all field-assembled systems.
Hot Gas Muffler
The purpose of the hot gas muffler is to smooth out the pulsations associated
with the refrigerant vapor being discharged from a reciprocating compressor,
reducing noise and vibration.
The pressure of the refrigerant vapor leaving a reciprocating compressor
fluctuates rapidly because of the manner in which it is compressed by the
reciprocating pistons. The muffler contains a perforated tube inside a shell. The
pressure peaks cause some of the refrigerant vapor to pass from the perforated
tube into the muffler shell. This shell is divided into chambers that allow it to
absorb these peaks. In essence, the muffler shaves off the peaks of these
pulsations and fills in the valleys, reducing the pulsating characteristic in the
discharge line.
When used, the hot gas muffler should be located in the discharge line, as close
to the reciprocating compressor discharge as possible. This minimizes the
sound emission from the unmuffled section of discharge line.
Hot Gas Muffler
hot gas
hot gas
muffler
muffler
reciprocating
reciprocating
compressor
compressor
discharge
discharge
line
line
shell
shell
perforated tube
perforated tube
Figure 58