Chiller Performance: chiller_screw_water_cooled
Chiller and heat pump performance data — COP, EER, kW/ton at various capacities for air-cooled, water-cooled, centrifugal, screw, scroll, and heat pump equipment per AHRI 550/590 and ASHRAE 90.1
| equipment type | capacity tons | ashrae 901 min kw per ton fl (kW/ton) | ashrae 901 min kw per ton iplv (kW/ton) | compressor type | cop full load (dimensionless) | cop iplv (dimensionless) | eer full load (Btu/Wh) | eer iplv (Btu/Wh) | entering condenser temp F (F) | kw per ton full load (kW/ton) | kw per ton iplv (kW/ton) | leaving chilled water F (F) | notes | refrigerant |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| chiller_screw_water_cooled | 50 | 0.75 | 0.6 | screw | 4.8 | 5.6 | 16.39 | 19.12 | 85 | 0.731 | 0.626 | 44 | Single screw or twin screw; smallest commercial class | R-134a |
| chiller_screw_water_cooled | 75 | 0.72 | 0.56 | screw | 4.95 | 5.85 | 16.9 | 19.97 | 85 | 0.713 | 0.598 | 44 | Twin-screw; 75-ton boundary per ASHRAE kW/ton tiers | R-134a |
| chiller_screw_water_cooled | 100 | 0.72 | 0.56 | screw | 5.1 | 6.15 | 17.41 | 20.99 | 85 | 0.69 | 0.566 | 44 | Twin-screw; typical light commercial plant | R-134a |
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