18(40)
1) The high and low pressure controller is used to control the working pressure
at the compressor air inlet and outlet.
2) The high-pressure controller is set to 25bar, and the low-pressure controller is
set to 2bar.
3) It will give the alarm when the compressor outlet air pressure is higher than
25bar, or the compressor suction port is lower than 2bar,
Picture 2-7
：
High and Low Pressure Controller
2.2.7 Fluid Reservoir
1) It is used to store the liquid refrigerants from the condenser to ensure that the
heat transfer area of the condenser can play a full role.
2) The pipe installed between the condenser and drying filter.
Picture 2-8
：
Fluid Reservoir
