This technical guide serves as an exhaustive reference manual for engineers, HVAC technicians, and procurement specialists looking to analyze, service, or install the L68WU1 unit. Core Technical Specifications
The L68WU1 is a low-back-pressure (LBP) reciprocating refrigeration compressor often sold under Donper/Chinese OEM labels. It’s specified for R290 (propane) systems and is commonly used in small commercial refrigeration (under-counter coolers, small freezers, display cases) where flammable low‑GWP refrigerants are adopted. l68wu1 compressor pdf
Low Back Pressure (LBP) / Medium Back Pressure (MBP) Applications and Usage This technical guide serves as an exhaustive reference
The integration of in the L68WU1 delivers major thermodynamic advantages. R290 carries a Global Warming Potential (GWP) of 3 and an Ozone Depletion Potential (ODP) of 0. This makes it an ideal alternative to phased-out hydrofluorocarbons (HFCs) like R134a or R404A. System Sizing Low Back Pressure (LBP) / Medium Back Pressure
Bottom-freezer and side-by-side consumer fridge models.
is a versatile unit primarily found in commercial-grade refrigeration equipment requiring consistent low temperatures.