VRR 500 / 702 PERFORMANCE 2000 1450 rpm Working range - Stable regime in entire characteristic range - Parallel connection possible η ma x 950 ∆pfa / Pa - Fan can be operated beyond characteristic specified =0 ,77 1000 500 710 300 200 ρ = 1,2 kg/m³ 100 2000 5000 0,5 1,0 10000 2,0 3,0 20000 5,0 . V / m³/h . V / m³/s SOUND LEVEL speed rpm 710 950 1450 LA3m LWA dB(A) dB(A) 60 76 66 82 74 91 63 54 58 65 LWA Okt 125 250 500 65 64 74 72 72 78 76 84 86 / dB(A) 1000 2000 67 66 72 74 84 85 4000 56 68 78 8000 41 52 65 LA3m = A - weighted sound pressure level at distance of 3 m from fan center LWA = A - weighted sound power level in duct LWA Okt = A - weighted octave-band sound power level in duct MOTOR VERSIONS (Data for other motors, such as polechanging or Ex, upon inquiry) fan type VRR 500/702 VRR 500/702 VRR 500/702 VRR 500/702 VRR 500/702 W W W W W 710 950 1450 1450 P1 950 P2 speed rpm 710 950 1450 1450 / 710 950 / 710 power required kW 0 95 0,95 2,3 8,3 8,3 / 0,95 2,3 / 0,95 motor type 3~ 400 V/50 Hz IP 55 polechanging 400 V/50 Hz IP 55 18 i_vrr_en (12/09) nominal nominal weight with motor power motor current motor kW A kg 11 1,1 29 2,9 100 3,0 7,3 120 11,0 21,5 160 9,2 / 2,2 19,5 / 7,6 160 3,5 / 1,7 8,7 / 4,9 120 MIETZSCH GmbH Lufttechnik Dresden www.mietzsch.de
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