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| TABLE 1: ACCEPTABLE UNDERFLOW LIMIT | ||
| Application | Acceptable underflow limit | |
| Heating: | T = 11ºC | -30% |
| T = 20ºC | -20% | |
| T = 30ºC | -10% | |
| Cooling: | Sensible only | -10% |
| Dehumidification | 0% | |