Case Study Retail Refrigeration – LPA Liquid Pressure Amplification
Product Highlight
The Thermodynamic Principles of LPA
Most current refrigeration and air conditioning systems waste 20% to 40% of
Co2 Liquid Refrigerant Pump & LPA Economizer
The LPA® pump is an open-drive sealed unit with important design features:
DXFC™ Wall Mounted Split AC unit with Outdoor Condenser
[Public Disclosure-23rd October 2016] DXFC, DX free cooling the alternative to running
Case Study Retail Refrigeration – LPA Liquid Pressure Amplification
A LPA® Liquid Pressure Amplifier was fitted to the high temperature rack of the Big Fresh Mt. Wellington store in New Zealand. The rack used four D4DA-1000 Copeland compressors and one 4DH-1500 giving a nominal capacity of 89.5 kW using R22 refrigerant. After installing the LPA the evaporator temperature rose by 6.4 ºC, indicating that flash vapour in the suction line had adverselyaffected the performance of the expansion valves. The measured energy saving was 32%.
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