Description
Oil High Temperature Switch: Located on the oil return line, the switch opens at 60
º
C (140
º
F)
and stops the compressor if the oil temperature is too high.
Oil Injection Orifice: This orifice is installed downstream of the oil filter in the oil injection line
and controls the flow rate of oil into the compressor’s gas return line.
Oil Separator: The bottom of the oil separator serves as a sump. A cartridge above the sump
contains fibrous material that acts as the separating agent. Entrained oil coalesces on it,
forming large droplets that drain into the sump. This unit needs no servicing or replacement.
Shell High Temperature Switch: Located on top of the compressor next to the compressor
motor terminals, the switch opens at 80
º
C (176
º
F) and stops the compressor if the shell
temperature is too high. The switch resets automatically after it cools.
Surge Bottle: The surge bottle located in the return gas line dampens the pressure pulsations.
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