The Donper L72CZ1 is a highly popular, classic hermetic reciprocating compressor primarily used in small-scale commercial and household refrigeration.
Here is a comprehensive breakdown of its technical specifications, application data, and performance highlights.
The model number itself outlines the core hardware configuration (the "72" directly represents its 7.2cc displacement).
| Parameter | Specification | Notes / Details |
| Brand | Donper (Huangshi Donper) | Classic L-series platform |
| Model | L72CZ1 | Replaces older L72CZ variations |
| Refrigerant | R134a | Standard HFC refrigerant |
| Displacement | 7.2 cc | Volume pumped per revolution |
| Cooling Capacity | 195W | Rated capacity under standard LBP conditions |
| Horsepower (HP) | 1/5 HP (sometimes classified as light 1/4 HP) | Varies slightly by local market standards |
| Voltage / Frequency | 220–240V ~ 50Hz | Standard single-phase power |
| Application Type | LBP (Low Back Pressure) | Designed for freezing/low-temperature evaporation |
| Weight | ~7.0 kg | Standard weight for this frame size |
Because it is an LBP (Low Back Pressure) compressor running on R134a, it is engineered to pull temperatures down well below freezing.
Beverage & Display Coolers: Small-to-medium upright glass door chillers.
Mini Fridges & Compact Freezers:
Commercial Catering Equipment: Small fresh-keeping counter cabinets, prep tables, and saladettes.
Energy Efficiency: The L-series platform is designed for stable, long-cycle operations. It maintains low power drop-off under high ambient temperatures, making it highly reliable for commercial setups.
Cross-Brand Replacement: Its 195W / 7.2cc profile makes it a direct, drops-in alternative for many common 1/5 HP R134a models from other brands like Panasonic, Huayi, or Cubigel under similar LBP conditions.
Service Diagnostics: When replacing older or failed units in the field, this model is a common choice if the original unit exhibits classic failure modes like oil clogging, ground faults (tripping the breaker), or loss of compression.
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