// CODE SNIPPET
403.3.1.1.2.3.2 System Ventilation Efficiency
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The system ventilation efficiency (Ev) shall be determined using Table 403.3.1.1.2.3.2 or Appendix A of ASHRAE 62.1.
Max (Zp) | Ev |
≤ 0.15 | 1 |
≤ 0.25 | 0.9 |
≤ 0.35 | 0.8 |
≤ 0.45 | 0.7 |
≤ 0.55 | 0.6 |
≤ 0.65 | 0.5 |
≤ 0.75 | 0.4 |
> 0.75 | 0.3 |
a. Max (Zp ) is the largest value of Zp calculated using Equation 4-5 among all the zones served by the system. |
b. Interpolating between table values shall be permitted. |
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