E1971 IV 50 EC Sales Sheet

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Systemair Inc. • August, 2021 • Art. E1971
TECHNICAL & ACOUSTICAL DATA
IV
50-EC
Voltage V 208-277
Frequency Hz 50/60
Motoroutput HP 1.8
Amperage FLA 11.0-8.6
RMP RPM 1400
Max.airow(variable) CFM 3517
Thrust N 51
Thrust/Faninputpower N/kW 30.5
Motorinsulationclass ClassF
Ambienttemperaturerating °C 45
Weight lbs 162
Octave Bands Sound Power Levels, Lw(dB)^
63 125 250 500 1000 2000 4000 8000
80 93 91 87 85 83 81 76
^Values shown are for sound power levels (Lw) for installation Type A: free inlet, free outlet.
The Sound Power Level ratings shown are in decibels, referred to 10
-12
watts, calculated per AMCA Standard 301.
*The sound pressure values (LpA) shown are based on a hemispherical free eld at 3.0 m (10 ft). dB(A) levels
are not licensed by AMCA international.
Total Sound*
dB(A) LpA@10’
73
DIMENSIONS
A B C D øE F G
IV-50 EC 10.8(276) 32.8(834) 7.3(185) 14.5(370) .5(14) 10.2(259) 50.5(1284)
Dimensionsareininches(mm)
COMPUTATIONAL FLUID DYNAMICS ANALYSIS
5256ft/min. 68 214492
ContourplotofVelocitymagnitude(ft/min)at1.5meterHeightfromGroundofGarageinHorizontalPlane
ContourplotofVelocitymagnitude(ft/min)atcenteroftheGarageinverticalPlane