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Technical System Catalogue Climate Control

TopTherm fan-and-filter units Project planning The following applies when calculating the volumetric air flow: . V = f Qv Selection diagram. ΔT 3000 2500 Performance diagram SK 3243. . . . 50 Hz 2000 300 SK 3243.XXX 1500 with standard filter 250 SK 3243.XXX with 1000 200 standard and fine filter 800 ΔPst 150 SK 3243.XXX T 40 K with hose-proof hood Δ T 30 K 100 QV Δ T 20 KΔ500.6001 x outlet filter SK 3243.200 Δ T 15 K 400 T 35 K T 10 K 50 Δ 1 x outlet filter Δ Δ 0 SK 3243.200 3006005004003002001000 . with hose-proof hood T 5 K V Δ 2 x outlet filters SK 3243.200 200 . V = Volumetric flow (m3/h) ΔPst = Stat. pressure difference (Pa) 100 10 20 40 60 80 100 200 400 600 800 Performance diagram SK 3243. . . . 60 Hz 30 50 70 90. 300 500 700 V 300 SK 3243.XXX . V = Volumetric flow (m3/h) with standard filter 250 . SK 3243.XXX with V = Heat loss (W)Q 200 standard and fine filter ΔPst 150 SK 3243.XXX The styling of the vent louvres in Rittal fan-and-filter units guaran- with hose-proof hood tees exemplary stability of the air volumes in relation to pressure 100 loss. The correct fan-and-filter unit has been chosen if the speci- 1 x outlet filter fied heat loss is dissipated whilst complying with the desired SK 3243.200 50 maximum enclosure internal temperature. 1 x outlet filter 0 SK 3243.2006005004003002001000 . with hose-proof hood V 2 x outlet filters SK 3243.200 . V = Volumetric flow (m3/h) ΔPst = Stat. pressure difference (Pa) f = 3.1 m3 K/Wh at h = ( 0 to 100) f = 3.2 m3 K/Wh at h = (100 to 250) Further performance curves may be found on the Internet. 3 K/Wh at h = (250 to 500)f = 3.3 m f = 3.4 m3 K/Wh at h = (500 to 750) f = 3.5 m3 K/Wh at h = (750 to 1000) f = Compensating factor h = Height above sea level m Technical System Catalogue/Climate control 3 - 6


Technical System Catalogue Climate Control
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