Enhanced Vapour
Injection (EVI)
EVI Compressor systems present benefits over standard refrigeration
compressors due to the following:
• Capacity Improvement
The capacity is improved by increasing the enthalpy difference in the
system rather than increasing mass flow. This is accomplished without
increasing displacements.
• Increased COP
The efficiency improves due to the fact that the gain in capacity is
greater than the increase in power that the compressor consumes.
• Cost and Energy Advantage
Because a smaller size compressor can be used to achieve the same
capacity as a larger conventional model, there is an inherent cost advantage.EVI components:
Compressor:World famous brand -Copeland compressor
heat exchanger：tube in shell heat exchanger
electronic expansion valve
tube in shell heat exchanger
accumulator
filter
gas-liquid separator
one way valve
thermal expansion valve
4-way valve
sensor
injection in
injection out
evaporator
system balancing pipe
gas valve
manometer
pressure switch
refrigerant out
shut off valve
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