C possible special versions: (see chapter dc fans - specials) - speed signal - go / no-go alarm - alarm with limit speed - external temperature sensor - internal temperature sensor - pwm control input - analogue control input - multi-option control input - protection against moisture - protection against salt fog - type of protection: ip 54 dc centrifugal fans series rer 175 td ? 175 x 69 mm max. 980 m 3 /h C material: impeller: grp 1) C direction of air flow: axial: intake centrifugal: exhaust C direction of rotation: clockwise, seen on rotor C connection: via single wires awg 18, 20 or awg 22, tr 64, speed signal and control in put awg 22 C highlights: 3-phase fan drive with very smooth ru nning and high efficiency backwards-curved impeller C mass: 775 g 1) fibreglass-reinforced plastic 69 42 6,8 1 0,8 + ? 7 2 ?175 425 6 ?58 m4 (4x) 0,1 + 0,3 + 0,5 + 10 1 + + 100 0 200 800 400 200 300 600 400 500 800 200 400 600 2,4 1, 6 0,8 3,2 32 1 m3/h pa c fm [in h 2 o] type m 3 /h cfm vdc vdc bel(a) / watts rpm c hours hours rer 175-42/14/2 tdmlp 600 353 24 16...30 7,3 48 3 400 -20...+65 72 500 / 40 000 122 500 ? rer 175-42/14/2 tdmp 865 509 24 16...36 8,2 110 4 800 -20...+65 70 000 / 40 000 117 500 ? rer 175-42/18/2 tdmlp 600 353 48 36...57 7,3 46 3 400 -20...+65 72 500 / 40 000 122 500 ? rer 175-42/18/2 tdmp* 865 509 48 36...72 8,2 110 4 800 -20...+65 70 000 / 40 000 117 500 ? rer 175-42/18/2 tdp 980 577 48 36...72 8,5 166 5 400 -20...+65 60 000 / 32 500 102 500 ? * vorl?ufig subject to alternations nominal data max. 8 deep speed control range from 800 rpm at 7 % pwm up to nominal speed a t > 90 % pwm. standstill at 0 % pwm, standstill if control cable is interrupted. the air flow and noise level of the centrifugal fans without external housing depend on their individual installation conditions. the stated air flow and noise level were record ed under the following measurement parameters: centrifugal fan mounted on a foundation plate 180 x 180 mm. cover plate 180 x 180 mm, with an air inlet opening ? 125,5 mm, arranged concentrically to the impeller. tin-plated 117 inlet nozzles from p. 248 information dc axial fans dc fans - specials acmaxx / greentech ec-compact fans ac axial fans accessories representatives dc centrifugal fans ac centrifugal fans nominal voltage air flow air flow voltage range sound power level sintec sleeve bearings ball bearings input power nominal speed temperature range service life l 10 (40 c) ebm-papst standard service life l 10 (t max ) ebm-papst standard life expectancy l 10ipc (40 c) see page 17 curve
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