ZIEHL-ABEGG ECBLUE MODBUS Assembly Instructions Manual

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ZIEHL-ABEGG ECBLUE MODBUS Assembly Instructions Manual Manual pdf 13 page image

Ensure that the clearance (gap) “a” see fig. be-tween the fan impeller and the stationaryhousing section is constant. Distortion due to un-even surface may lead to fan failure.Attention!• Avoid structural damage or stress with installation. Flange and mounting bracket mustbe fixed flat on a level surface.• The fan must be securely mounted, with vibration dampers if necessary.4.4 Mounting the motorMotors design MKFastening to fixed motor flange (assembly of axial fans / fans of design A, D ..) and(assembly of radial fans of design RH).• If the motor is used to drive fan impellers or other components, please note themaximum permissible speeds of the impeller or the component to be driven.• The max. permissible mass of the impeller ort he component to be driven must beinquired from and confirmed in writing by ZIEHL-ABEGG.Design K (with rotor flange) or D (with offset rotor flange) as a drive for fans:• During assembly of the fan impellers or other components, no inadmissible force maybe applied to the motor bearing.• Centre the fan impeller accurately and mount without tension on the rotor flange, thefan wheel must lie flat.• Use suitable screws for fastening the fan impeller on the rotor flange and fit assuitable screw lock.• Every screwing case must be tested for suitability.• The permissible area pressing of the rotor flange may never be exceeded (dependingon the contact surface).• Too great a screw overhang is not permitted and can lead to scraping or blocking ofthe rotor on the fixed motor flange.• Motors are not balanced as standard, a complete balancing with mounted fan impelleris necessary. The balancing must be done on the fan impeller. The pertinent regu-lations must be observed.Permissible tightening torques MAThread size M6Property class 8.8, friction coefcient μges = 0.12 9.5 NmScrew penetration ≥ 0.83 x dMax. permissible screw overhang 1.0 mmAssembly instructions ECblue MODBUS MountingL-BAL-F041-GB 1820 Index 003 Part.-No. 00296941-GB13/36