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Greenheck Fan 47555 - page 1
V ektor -CD Dir ect or Belt Drive The V ektor -CD fan is a side inlet centrifugal blower with a high plume dilution nozzle designed for laboratory exhaust systems. Available in either dir ect or belt drive configurations, the V ektor -CD is capable of up to 14 inches wg of static pressur e and 100,000 cfm and can be constructed to AMCA spark B or ...
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Greenheck Fan 47555 - page 2
Remove any accumulations of dirt, water , ice or snow and wipe dry before moving to indoor storage. T o avoid “sweating” of metal parts allow cold parts to reach r oom temperature. T o dry parts and packages use a portable electric heater to get rid of any moisture build up. Leave coverings loose to permit air circulation and to allow for perio ...
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Greenheck Fan 47555 - page 3
3 V ektor -CD Centrifugal Laboratory Exhaust ® REMOVING FROM ST ORAGE As fans are r emoved from storage to be installed in their final location, they should be protected and maintained in a similar fashion, until the fan equipment goes into operation. Prior to assembly and installation of the V ektor fan and system components, inspect the fan ass ...
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Greenheck Fan 47555 - page 4
4 V ektor -CD Centrifugal Laboratory Exhaust ® Curb Installations Greenheck supplies gasketing material for all multi- section curbs and/or plenums. Install gasketing prior to bolting split curbs and or plenums together . NOTE: Steel, concrete or wood support is per structural engineer and in accordance with load requir ements and applicable build ...
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Greenheck Fan 47555 - page 5
5 V ektor -CD Centrifugal Laboratory Exhaust ® Riser Installation Check curb or structural supports for levelness. Both must be level to ensure pr oper drainage from plenum and fan(s). For side inlet fans, remove panel at end of plenum. This opening is the designed connection spot for user connected ductwork from building. Lab Exhaust Riser Riser ...
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Greenheck Fan 47555 - page 6
6 V ektor -CD Centrifugal Laboratory Exhaust ® Plenum Installation The figures depicted illustrate thr ee common methods used to install V ektor -CD bypass plenums. Methods used to attach a V ektor unit are dependent on local codes, roof construction design and r oof construction materials. Consult an architect or structural engineer for proper m ...
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Greenheck Fan 47555 - page 7
7 V ektor -CD Centrifugal Laboratory Exhaust ® Fan Installation Fan Housing Installation If the windband is shipped attached to the fan housing or if the windband is secured to the fan housing prior to mounting to the plenum, the fan / windband assembly should be lifted by the lifting lugs located on the fan housing. Do not lift this assembly by t ...
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Greenheck Fan 47555 - page 8
8 V ektor -CD Centrifugal Laboratory Exhaust ® Plenum and Fan Drainage Piping and T rap Detail (by others) There ar e multiple locations for pipe connections, one on each plenum section, and another on each tubular fan housing located at the bottom of the scroll. Each drain should be properly connected to a drainage system to ensure pr oper dispos ...
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Greenheck Fan 47555 - page 9
9 V ektor -CD Centrifugal Laboratory Exhaust ® Disconnect is mounted to fan housing. T ransformer is mounted to bypass air plenum near isolation damper actuator motor . For systems that ship un-assembled because of physical size, this connection at disconnect from transformer must be field installed. Wires with conduit and fitting are pr ovided ...
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Greenheck Fan 47555 - page 10
10 V ektor -CD Centrifugal Laboratory Exhaust ® Unit Start-Up 1. Disconnect and lock-out all power switches to fan. 2. Check for bearing alignment and lubrication. 3. Check the V -belt drive for proper alignment and tension (belt drive). 4. Check rigid coupling for proper alignment and connect between motor shaft and fan shaft (direct drive). 5. C ...
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Greenheck Fan 47555 - page 11
11 V ektor -CD Centrifugal Laboratory Exhaust ® Serviceable Components Windband Bypass Air Plenum Bypass Damper Weatherhood Isolation Damper Nozzle Fan Assembly Roof Curb or Structural Support Fan Operation All fans should be run every thirty (30) days, or at least “bumped” every thirty days. It is preferr ed that each fan is run as this cause ...
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Greenheck Fan 47555 - page 12
12 V ektor -CD Centrifugal Laboratory Exhaust ® Motors Motor maintenance is generally limited to cleaning and lubrication. Cleaning should be limited to exterior surfaces only . Removing dust and grease buildup on the motor housing assists proper motor cooling. Never wash-down motor with high pressur e spray . Greasing of motors is only intended w ...
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Greenheck Fan 47555 - page 13
13 V ektor -CD Centrifugal Laboratory Exhaust ® Bearing Replacement Both drive bearings are accessible fr om the ground on all V ektor -CD fans. Whether direct or belt driven, the bearings, along with other serviceable drive components (belts, motors, sheaves) are accessible by removing the motor cover panel. Please contact Greenheck Fan Corporati ...
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Greenheck Fan 47555 - page 14
14 V ektor -CD Centrifugal Laboratory Exhaust ® Problem Cause Corrective Action Excessive noise Wheel rubbing inlet Adjust wheel and/or inlet cone. Tighten wheel hub or bearing collars on shaft. V -belt drive Tighten sheaves on motor/fan shaft. Adjust belt tension. Align sheaves properly (see pr ocedure). Replace worn belts or sheaves. Bearings Re ...
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Greenheck Fan 47555 - page 15
15 V ektor -CD Centrifugal Laboratory Exhaust ® Date __________________ Time _____________ AM/PM Notes:___________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ Da ...
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Greenheck Fan 47555 - page 16
16 471555 • Model V ektor -CD IOM, Rev. 1, February 2008 Copyright 2008 © Greenheck Fan Corp. Greenheck warrants this equipment to be fr ee from defects in material and workmanship for a period of thr ee years from the pur chase date. Any units or parts which prove defective during the warranty period will be r eplaced at our option when returne ...
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