Table 4.
Rated performance values for Bard WH-B and WH-C systems [24,25]. Fan power data estimated from field measurements of fan power intensity [26]. Supply airflow rates per person assume 27 occupants.
| Units | W18HB | W24HB | W36HB | W48HC | W60HC | |
|---|---|---|---|---|---|---|
| Cooling Capacity | kW | 5.1 | 6.9 | 10.6 | 13.9 | 16.0 |
| Cooling COP | – | 3.31 | 3.31 | 3.25 | 3.22 | 3.22 |
| Heating Capacity | kW | 4.9 | 6.6 | 9.3 | 12.1 | 15.0 |
| Heating COP | – | 3.5 | 3.5 | 3.3 | 3.24 | 3.25 |
| Supply Airflow | l/s | 283.2 | 377.6 | 542.7 | 731.5 | 825.9 |
| Supply Airflow | l/(s.person) | 10.5 | 14.0 | 20.1 | 27.1 | 30.6 |
| Fan Power | W | 261 | 347 | 499 | 673 | 760 |
| Auxiliary Heat | kW | 4.0–15.0 | 4.0–15.0 | 4.0–20.0 | 4.0–20.0 | 4.0–20.0 |
| Filter Face Area | m2 | 0.26 | 0.26 | 0.31 | 0.52 | 0.52 |