The function of a suction accumulator is to eliminate entering of the liquid phase refrigerant or oil in to the compressor. Suction acculator lets gas ghase refrigerant with required amount of oil to enter to the compressor.
When you install a suction accumulator to a system before the operation its needed to be filled with required amount of oil in to the accumulator. These amounts are mentioned in the catalogue. As an option you can have
suction accumulator with upper and lower level sight glasses and liquid level controls as well.
Working Pressure : 33 Bar
Working Temperature : -10 / 120 °C