Research Article
Test Verification of the Standard Compilation of “Energy-Saving Monitoring for Refrigeration Storage System” in Beijing
Table 6
COP test results of different seasons and units.
| Cold storage number | Project | Refrigerant | Design of cold storage temperature (°C) | Types of condenser units | Test time | COP | Seasonal deviation of COP test results | Deviation from COP reference value |
| 1 | A food co. ltd. of Beijing | R22 | −18°C | Air-cooled condensing unit | Winter | 2.83 | 45.88% | 57.22% | Summer | 1.94 | 7.78% | 2 | A food co. ltd. of Beijing | R22 | −18°C | Evaporation condensing unit | Winter | 1.94 | 6.01% | 7.78% | Summer | 1.83 | 1.67% | 3 | A food co. ltd. of Beijing | R22 | −18°C | Air-cooled condensing unit | Summer | 1.88 | — | 4.44% | 4 | A food distribution company of Beijing | R717 | −18°C | Evaporation condensing unit | Winter | 1.86 | 0.54% | 3.33% | Summer | 1.85 | 2.78% | 5 | A cold storage of food refrigeration plant of Beijing | R717 | −18°C | Evaporation condensing unit | Summer | 1.65 | — | −8.33% | 6 | A by-product market co. ltd. of Beijing | R717 | −18°C | Evaporation condensing unit | Summer | 1.50 | — | −16.67% | 7 | A college pilot base in China | R22 | 4°C | Air-cooled condensing unit | Summer | 3.43 | — | 3.94% |
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