Yuh Dak SIC-A series - Manual (Page 40)

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9.3.4 The heat expansion valve
1). The heat expansion valve is used to
take the effect of throttle and pressure
relief, and also adjust the flow quantity
of the cooling agent going into the
evaporator.
2). The heat expansion valve is usually
installed in front of the evaporator.
9.3.5 evaporator
1). The evaporator is the equipment which
output the refrigerating capacity, in which
the cooling agent absorb the heated of the
cooled objects and gain the aim of
refrigeration.
2). The evaporators of our company are
the type of Tube-in-shell style.
9.3.6 high and low pressure controller
1). The high and low pressure controllers
are used to control the working pressure of
the compressor suction port and outlet port.
2). The pressure of the high pressure
controller is set to 25 bar, and pressure of
the low pressure controller is set to 2 bar.
3). Give an alarm when the pressure of
the compressor suction port is higher than
25 bar or the pressure of the compressor
outlet port is lower than 2 bar.
9.3.7 liquid tank
1). The liquid tank is used to store the liquid
cooling agent from the condenser and
make sure that the heat transfer area of
the condenser can be made full use of.
2). The liquid tank is installed in the pipe
between the condenser and the dry filter.
9. Assembly Drawing