ANNEX IVSupplementary provisions
ANNEX IV INDICATIVE BENCHMARKS REFERRED TO IN ARTICLE 6 At the time of adoption of this Regulation, the best available technology on the market for fans is as indicated in Table 1. These benchmarks may not always be achievable in all applications or for the full power range covered by the Regulation. Table 1 Indicative benchmarks for fans Fan types Measurement category (A-D) Efficiency category (static or total) Efficiency grade Axial fan A, C static 65 B, D total 75 Centrifugal forward curved fan and centrifugal radial bladed fan A, C static 62 B, D total 65 Centrifugal backward curved fan without housing A, C static 70 Centrifugal backward curved fan with housing A, C static 72 B, D total 75 Mixed flow fan A, C static 61 B, D total 65 Cross flow fan B, D total 32