Hanbell RC2-F Series, Manual

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It can also install an additional solenoid valve or service valve in front of the high temperature expansion valve for
the maintenance purposes. The solenoid valve will be opened while starting the compressor, and it also can be
added a stop valve in piping for the system maintenance. The equilibrium tube of high temperature expansion
valve should be connected to the high-pressure side to counter the internal pressure. Please refer to the figure for
design reference.
Liquid injection oil cooling
Oil cooler application
Compared to liquid injection applications, oil cooler application reduces the discharge temperature and at the
same time gives better efficiency. Oil cooler application can be classified into 3 types: cooling by refrigerant,
cooling by ambient air, cooling by cooling water. Please refer to the figures below for reference.
Water-cooled oil cooler application