Floor Diffuser - Halton

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Velocity and temperature measurements 1 2 3 4 5 6 7 20/DSM/3500/0606/EN DSM-100 Airflow rate qv = 14 l/s (50 m³/h) Supply temperature = 24 °C Room temperature = 27 °C ΔT = -3°C 125 mm 125 mm 225 mm 225 mm 325 mm 325 mm HEIGHT mm DISTANCE mm -325 -225 -125 0 125 225 325 700 0.04 m/s 26.1°C 0.03 m/s 26.1°C 0.06 m/s 26.0°C 0.04 m/s 25.0°C 0.03 m/s 26.3°C 500 0.03 m/s 26.0°C 0.02 m/s 26.1°C 0.04 m/s 25.6°C 0.03 m/s 25.7°C 0.03 m/s 25.8°C 300 0.02 m/s 26.17°C 0.01 m/s 26.0°C 0.11 m/s 25.7°C 0.03 m/s 25.8°C 0.05 m/s 26.1°C 200 0.05 m/s 25.8°C 0.04 m/s 25.6°C 0.08 m/s 25.2°C 0.05 m/s 25.4°C 0.08 m/s 25.6°C 100 0.07 m/s 26.0°C 0.09 m/s 25.7°C 0.05 m/s 25.4°C 0.09 m/s 25.7°C 0.07 m/s 25.7°C 50 0.13 m/s 26.0°C 0.35 m/s 25.9°C 0.35 m/s 25.7°C 0.10 m/s 26.1 DSM-100 Airflow rate qv 18 l/s (65 m³/h) Supply temperature 22 °C Room temperature 25 °C ΔT - 3°C HEIGHT mm DISTANCE mm -325 -225 -125 0 125 225 325 700 0.03 m/s 25.2°C 0.04 m/s 24.8°C 0.04 m/s 25.0°C 0.03 m/s 25.0°C 0.03 m/s 25.1°C 500 0.02 m/s 24.8°C 0.02 m/s 24.8°C 0.03 m/s 24.8°C 0.02 m/s 24.7°C 0.02 m/s 24.8°C 300 0.01 m/s 24.8°C 0.01 m/s 24.8°C 0.02 m/s 24.4°C 0.02 m/s 24.6°C 0.01 m/s 24.8°C 200 0.02 m/s 24.2°C 0.02 m/s 24.7°C 0.06 m/s 24.2°C 0.03 m/s 24.2°C 0.02 m/s 24.2°C 100 0.04 m/s 24.3°C 0.05 m/s 24.3°C 0.08 m/s 24.4°C 0.07 m/s 24.0°C 0.05 m/s 24.1°C 50 0.19 m/s 24.7°C 0.45 m/s 24.6°C 0.45 m/s 24.3°C 0.10 m/s 24.6 DSM-100 Airflow rate qv 22 l/s (79 m³/h) Supply temperature 23 °C Room temperature 26 °C ΔT - 3°C HEIGHT mm DISTANCE mm -325 -225 -125 0 125 225 325 700 0.03 m/s 25.9°C 0.03 m/s 26.2°C 0.05 m/s 26.0°C 0.04 m/s 26.1°C 0.02 m/s 26.0°C 500 0.03 m/s 25.6°C 0.02 m/s 25.8°C 0.03 m/s 25.9°C 0.03 m/s 25.9°C 0.03 m/s 25.7°C 300 0.03 m/s 25.4°C 0.01 m/s 26.0°C 0.02 m/s 25.9°C 0.01 m/s 25.9°C 0.02 m/s 25.6°C 200 0.06 m/s 25.15°C 0.05 m/s 25.6°C 0.06 m/s 25.5°C 0.06 m/s 25.6°C 0.05 m/s 25.4°C 100 0.08 m/s 25.4°C 0.08 m/s 25.46°C 0.11 m/s 25.9°C 0.10 m/s 25.3°C 0.11 m/s 25.3°C 50 0.24 m/s 25.7°C 0.70 m/s 25.2°C 0.73 m/s 25.2°C 0.15 m/s 26.0 DSM - Floor Diffuser 85
Installation The DSM floor diffuser is installed into an installation hole with a diameter of 110 mm. The DSM is mounted onto the floor by screwing the pre-drilled attachment brackets into the slab. Servicing Detach the device by unscrewing the screws. Clean the parts by wiping them with a damp cloth, instead of immersing in water. Reattach the device by screwing it back onto the sleeve. Suggested Specifications The diffuser shall be made of galvanised steel, with black (RAL 9005) or white (RAL 9010) as standard colour. The perforated plate inside the coupling sleeve shall create sufficient pressure loss for a self-balancing in ductless applications. The space beneath the raised floor shall be used as a plenum chamber. Air distribution into the occupied zone shall be at a 360° angle around the diffuser, and at low velocity without causing disturbance flows. 20/DSM/3500/0606/EN Pressure drop and sound data DSM-100 Product Code DSM-D D = Diameter of duct connection 100 Specifics and accessories CO = Colour B W Black White Code example DSM-100, CO=B Selection example : Requirements : qv = 20 l/s Selection : DSM-100 LpA < 20 dB(A) DPtot = 35 Pa LpA < 18 dB(A) SOUND LEVEL DATA qv DPst DPtot F (Hz) LpA NR NC (l/s) (m 3 /h) (Pa) (Pa) 63 125 250 500 1000 2000 4000 8000 [dB(A)] DSM-100 18 65 24 27 30 28 17 17 11 7 10 7 15 12 9 22 79 37 41 33 31 21 23 20 11 11 7 20 16 14 26 94 50 57 35 33 24 27 27 14 11 7 25 23 21 30 108 67 75 37 35 27 30 33 17 12 7 30 29 27 34 122 86 97 39 37 29 34 39 19 12 7 35 35 33 LpA values presented with room attenuation 4 dB (red 10m 2 - sab). When using room attenuation 8 dB (red 25m 2 - sab): LpA - 4dB. NR/NC noise criteria DSM - Floor Diffuser 86
Page 1 and 2: DSM Floor Diffuser 20/DSM/3500/0606
Page 3: Floor supply system design The DSM

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