air flow and the speed are measured in free air ; max. air pressure is measured at zero air flow. * Noise is measured in anechoic chamber in free air, one meter from intake side. * All readings are typical values at rated voltage. * Specifications are subject to change without notice. deltaww.com

ÊkbELTA 40 x 40 x 10 MM SERIES DIMENSIONS DRAWING * Bearing Type Ball Bearings * Material Impeller & Frame : Plastic(UL 94V-0) * Lead Wires : UL 1007 AWG #28 OR Equivalent Red Wire Positive(+) Black Wire Negative(-) * Weight : 14.5g (0.51 OZ) * Rib Type Only 40.0±0.5 UNIT: mm (INCH) P & Q CURVE (AT RATED VOLTAGE) EFB0405/12XA MOUNTING PANEL CUTOUT OUTLET SIDE INLET SIDE 0.24 6.0 0.20 5.0 Û O 0.16 4.0 3 CO ÍS 0.12 - 3.0 riA 0.08 2.0 0.04 1.0 0 0 VH HH '

air flow and the speed are measured in free air ; max. air pressure is measured at zero air flow. * Noise is measured in anechoic chamber in free air, one meter from intake side. * All readings are typical values at rated voltage. * Specifications are subject to change without notice. 42 http://www.deltaww.com

air flow and the speed are measured in free air ; max. air pressure is measured at zero air flow. * Noise is measured in anechoic chamber in free air, one meter from intake side. * All readings are typical values at rated voltage. * Specifications are subject to change without notice. 42 http://www.deltaww.com

air flow and the speed are measured in free air ; max. air pressure is measured at zero air flow. * Noise is measured in anechoic chamber in free air, one meter from intake side. * All readings are typical values at rated voltage. * Specifications are subject to change without notice. 42 http://www.deltaww.com

deltaww.com

asured in anechoic chamber in free air, one meter from intake side. * All readings are typical values at rated voltage. * Specifications are subject to change without notice. 42 http://www.deltaww.com

air flow and the speed are measured in free air ; max. air pressure is measured at zero air flow. * Noise is measured in anechoic chamber in free air, one meter from intake side. * All readings are typical values at rated voltage. * Specifications are subject to change without notice. deltaww.com

2. Make sure that the electric service supply voltage is AC 110~220V, 50~60Hz. 3. Follow all local electrical and safety codes, as well as the Nation Electrical Code (NEC) and the Occupation Safety and Healthy Act (OSHA). 4. Always disconnect the power source before working on or near the ventilating fan, motor or junction box. 5. Protect the power cord from sharp edges, oil, grease, hot surfaces, chemicals or other objects. 6. Do not kink the power cord. 7. in Fig. A. 8. Provide suction parts w

5-3. Ensure the distance between ceiling and fan body for the thickness of grille. 5-4. Secure the suspension bracket to joists by using screw. 5-5. Secure the suspension bracket to fan body by using screw. 5-6. Follow step 6 to 9 of installation to complete the installation work. 6. Duct Connection Outside Gradient 1°~2°Inspection Hole Grill Body Tape Duct Inside Ceiling 6-1. Insert the duct into the duct connector and tape all ductworks connection to make them secure and air tight. 6-2. Instal