R134a (most common for this series) or R600a. Always check the chassis label before charging.
Working with R290 requires adhering to precise guidelines outlined in the Donper Compressor Accessories Guide :
According to technical manuals , standard motor winding resistance tests for similar Donper units include: l68wu1 compressor pdf
The Donper L68WU1 is popular due to its robust design and adaptability.
The L68WU1 compressor, manufactured by Donper, is a modern, efficient component designed for the environmentally conscious refrigeration industry, operating with R290 refrigerant. Its reciprocating design ensures reliable performance for commercial applications. R134a (most common for this series) or R600a
The electrical terminal on the side of the L68WU1 compressor uses a standard 3-pin configuration arranged in a triangle:
Because the L68WU1 is a high-performance LBP compressor, fan cooling is essential, especially in high-ambient temperature environments. The L68WU1 compressor, manufactured by Donper, is a
– Websites like Partstown, RepairClinic, AppliancePartsPros, or HVAC-Talk forums may have user-uploaded documents. If the compressor is from an appliance (fridge, AC, dehumidifier), searching by appliance brand + “compressor replacement” might reveal the PDF.
To maximize the life of the L68WU1, proper maintenance is required.