Greenheck Fan Laboratory Exhaust System Vektor-HS User's Manual
Contents
1. 2 to rotate without striking or rubbing any stationary Inspection and Maintenance during Storage 2 objects Removing from SOR a tras periere tenk 3 3 Motor must be securely and adequately grounded General Information i Unit and System Identification 85 3 4 Do not spin fan wheel faster than maximum Pre Installation Information 00005 3 cataloged fan rpm Adjustments to fan speed Electrical Disconnects 0000eeeeee 3 significantly effects motor load If the fan RPM is Moving Parts Guards 00ce eee eee 3 changed the motor current should be checked to Air Pressure and Suction 00 0000 3 make sure it is not exceeding the motor nameplate Lifting Information a oa uaau eee xkes dusotedew vs 4 amps Roof Curb and Mounting Details 4 5 Do not allow the power cable to kink or come in Duct Installation Bottom Inlet 5 contact with oil grease hot surfaces or chemicals Bide mh Eds scssi preie beau oe 5 Replace cord immediately if damaged Stack Extensions sse rekreas eek eee tet eee rai 5 6 Verify that the power source is compatible with the System Assembly 2 0 0 cece eee eee eee eee eee 5 equipment Kitchen Roof Mounting Installation 6 7 Never open access doors to a duct while the fan is Plenum Drainage Piping and Trap Detail 7 running Electrical Connections 0000 eee 7 Variable Frequenc2. Shaft Bearings The bearings for Greenheck fans are carefully selected to match the maximum load and operating conditions of the specific class arrangement and fan size The instructions provided in this manual and those provided by the bearing manufacturer will minimize any bearing problems Bearings are the most critical moving part of the fan therefore special care is required when mounting them on the unit and maintaining them Locking collars and set screws in addition to fasteners attaching the bearing to the bearing plate must be checked for tightness Greenheck Fan Corporation recommends bearings to be relubricated quarterly at a minimum All Vektor H and Vektor HS fans use Mobil Mobilith SHC 100 synthetic grease conforming to NCGI Grade 2 Never mix greases made with different bases as this will cause a breakdown of the grease and possible failure of the bearing For specific information contact the factory representative or the fan system submittals e For conditions including temperatures moisture dirt or excessive vibration consult the factory for a specific lubrication interval for your application e Lubricant should be a high quality lithium complex synthetic grease conforming to NLGI Grade 2 e The use of non synthetic grease will decrease lubrication intervals by approximately 3 times e Storage periods of 3 months or longer require monthly rotation of the shaft and purging grease prior to storage and st
3. cone To obtain the optimum performance the centrifugal wheel must overlap the inlet cone Adjustments can be made by loosening the set screws in the wheel and moving the wheel to the desired position R Overap Wheel Inlet i Cone Wheel rotation should Radial Gap be in the same direction as the rotation decal affixed to the unit Clockwise rotation is correct as viewed from fan inlet For 3 phase installations fan rotation can be reversed by simply interchanging any two of the three electrical leads For single phase installations follow the wiring diagram located on the motor Any increase in fan speed represents a substantial increase in horsepower required from the motor Always check motor load amperage and compare to nameplate rating when changing fan speed Unit Inlet Cone to Backplate Size A Dimension A Dimension Tolerance in Tolerance mm 9 3 3 16 1 8 81 3 10 3 7 16 1 8 87 3 12 4 1 8 102 3 13 47 16 1 8 113 28 16 5 7 16 1 8 138 3 18 6 3 8 1 8 162 ee 6 22 7 13 16 3 16 198 c 3 24 8 5 8 1 4 219 6 30 10 9 16 3 8 268 10 36 12 3 4 3 8 324 10 Radial Gap is adjusted by loosening the inlet cone bolts and centering the cone on the wheel If additional adjustment is required to maintain a constant radial gap loosening the bearing bolts and centering the wheel is acceptab
4. damper refer to CAPS file selection TRANSFORMER 208 230 277 volt single phase Transformers must be wired independent from VFD control Three Phase Layout Field Wiring Factory Wiring LINE IN 208 230 460 575 volt three phase Sra Disconnect is mounted to fan housing DISCONNECT 208 230 460 575 volt Three phase Optional transformer and isolation damper refer to CAPS file selection TRANSFORMER 208 230 460 575 volt single phase Transformers must be wired independent from VED control MOTOR 24 115 volt single phase a isolation damper actuator motor C power open spring close 208 230 460 575 volt 60 cycle three phase Three Phase with Variable Frequency Drives Layout Field Wiring Factory Wiring LINE IN 208 230 460 575 volt three phase poy supplied and wired by others rT T Disconnect is mounted to fan housing DISCONNECT 208 230 460 575 volt Three phase Optional transformer and isolation damper refer to CAPS file selection TRANSFORMER if required hsa 208 230 460 575 volt single phase Transformers must be wired independent from VFD control 24 115 volt single phase isolation damper actuator motor power open spring close 208 230 460 575
5. Document 469003 A GR E ENH E CK Model Vektor H and Vektor HS L tory Exhaust Syst Building Value in Air aboratory Exhaust system Installation Operation and Maintenance Manual Please read and save these instructions for future reference Read carefully before attempting to assemble install operate or maintain the product described Protect yourself and others by observing all safety information Failure to comply with instructions could result in personal injury and or property damage Vektor H Vektor HS i General Safety Information Only qualified personnel should install this fan system Personnel should have a clear understanding of these instructions and should be aware of general safety precautions Improper installation can result in electric shock possible injury due to coming in contact with moving parts as well as other potential hazards Other considerations may be required if high winds or seismic activity are present If more information is needed contact a licensed professional engineer before moving forward 1 Follow all local electrical and safety codes as well as the National Electrical Code NEC the National Fire Table of Contents Protection Agency NFPA where applicable Follow U the Canadian Electrical Code CEC in Canada General Safety Information eena parenii aera ts 1 2 The rotation of the wheel is critical It must be free Receiving Unpacking Handling Storage
6. above grade in a low humidity atmosphere which is sealed to prevent the entry of blowing dust rain or snow Temperatures should be evenly maintained between 30 and 110 F 7 C and 43 C Wide temperature swings may cause condensation and sweating of metal parts All accessories must be stored indoors in a clean dry atmosphere 2 Laboratory Exhaust System Remove any accumulations of dirt water ice or snow and wipe dry before moving to indoor storage To avoid sweating of metal parts allow cold parts to reach room temperature To 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 periodic inspection The unit should be stored at least 3 2 in 89 mm off the floor on wooden blocks covered with moisture proof paper or polyethylene sheathing Aisles between parts and along all walls should be provided to permit air circulation and space for inspection OUTDOOR Fans designed for outdoor applications may be stored outdoors if absolutely necessary Roads or aisles for portable cranes and hauling equipment are needed The fan should be placed on a level surface to prevent water from leaking into the fan The fan should be elevated on an adequate number of wooden blocks so that it is above water and snow levels and has enough blocking to prevent it from settling into soft ground Locate parts far enough apart to
7. art up Laboratory Exhaust System EJ Recommended Bearing Lubrication Schedule Relubrication Schedule in Months Fan Size 9 13 16 22 24 30 36 Fan Bearing Bore inches RPM Y 1 1 1 1 1 1 6 2 to 250 12 12 12 12 500 12 12 12 12 750 12 12 12 12 1000 12 12 12 12 1250 12 12 12 12 1500 12 12 12 10 2000 12 10 8 6 2500 12 7 5 4 3000 12 5 3 2 3500 12 3 2 0 75 4000 12 2 05 gt 5000 12 1 Number of shots of 4 8 8 10 grease Lubrication interval is based on 12 hour per day operation and maximum 160 F housing temperature For 24 hour per day operation the interval should be cut in half Lubricant should be added with the shaft rotating and until clean grease is seen purging from the bearing The lubrication interval may be modified based on the condition of the purged grease If bearing is not visible to observe purged grease lubricate with number of shots indicated for bore size Vektor HS Nozzle Bearings The bearings for the HS nozzle assembly are permanently lubricated and do not require additional grease Damper Actuators Damper actuators when supplied by manufacturer are designed to be maintenance free No lubrication is required 10 Laboratory Exhaust System Vektor H and Vektor HS Exhaust Fan Parts List and Assembly Each fan bears a manufacturer s nameplate with model number and serial number embossed This information
8. ation Before electrical connections are made the supply voltage phase and ampere capacity must be checked A for compatibility with the fan motor In addition the supply wiring must be properly fused and conform to local and national electrical codes If the unit is supplied with a safety disconnect switch ensure proper wiring to the fan motor Be sure the disconnect is switched to the OFF position before connecting supply wires If no disconnect is supplied ensure the supply wire is not live before connection Supply wires are then connected to the optional safety disconnect switch if supplied or motor Vektor H Motor Disconnect and Isolation Damper Wiring Diagram Disconnect is mounted to fan housing Transformers are mounted to bypass air plenum with damper actuator motors For systems that ship unassembled because of physical size this connection at disconnect from transformers must be field installed Wires with conduit and fittings are provided pre connected to transformers Single Phase Layout PE Field Wiring Factory Wiring LINE IN 115 208 230 277 volt single phase T H tt i it bt tt Fi 1 1 1 _ 1 1 i aa MOTOR i i L 24 115 volt single phase i 1 1 isolation damper actuator motor power open spring close 115 208 230 277 volt Single phase Disconnect is mounted to fan housing DISCONNECT 115 208 230 277 volt Single phase Optional transformer and isolation
9. ck belt tension two times during the first 24 hours of operation and periodically thereafter To adjust belt tension simply loosen four fasteners two on each side of the motor plate and slide the motor plate away from the fan shaft until proper belt tension is attained On some fans fasteners attaching the motor to the motor plate must be loosened in order to adjust the belt It is very important that the drive pulleys remain in proper alignment after adjustments are made Misalignment of pulleys will result in premature belt wear noise vibration and power loss Fasteners and Set Screws A periodic inspection should include checking all fasteners and set screws for tightness Particular attention should be paid to set screws attaching the wheel to the shaft Alignment Motors Many fractional horsepower motors installed on the smaller fans are lubricated for life and require no further attention Motors supplied with grease fittings should be greased according to directions printed on the motor Removal of Dust and Dirt Dirt clogs cooling openings on the motor housing contaminates bearing lubricant and collects on the impeller causing severe imbalance if left unchecked The exterior surface of the motor and impeller should be thoroughly cleaned periodically Use caution and do not allow water or solvents to enter the motor or bearings Under no circumstances should motors or bearings be sprayed with steam or water Fan
10. ction to Curb Side or End Duct Connection e Vektor H or Vektor HS e With bypass air plenum NOTE Plenum is provided with removable side or end panels allowing the proper duct connection Duct flange and gasketing by others a Duct to Bypass Air Plenum Stack Extensions Bypass Air Fa Plenum lt Roof Curb Systems with multiple stack extensions require all sections assembled and installed on site between the main fan body and the discharge cone Each section has guy wire attachment brackets located on the upper end of each section The order sections are installed in are universal Gasketing 3 16 x 1 2 inch with sticky back is provided and is to be installed between each joining section Guy wires are required on system with multiple stack extensions Location of connections wiring and anchorage is determined by a structural engineer A System Assembly NOTE When installing each section be certain to rig each section separately using the lifting lugs provided ace Bolt and Washer Detail Gasket Gasket gt k lt 5 16 inch self tapping screws Fa lt Gasket 1 Mount roof curb to roof deck in accordance with local codes 2 Install 3 16 inch thick x 1 2 inch wide closed cell gasket on the top edge of the curb adhesive side down gasket provided Leave no gaps between gasket sections to ensure tight s
11. e final carrier Unpacking Verify that all required parts and the correct quantity of each item have been received including accessory kit containing gasketing etc If any items are missing report shortages to your local representative to arrange for obtaining missing parts Sometimes it is not possible that all items for the unit be shipped together due to availability of transportation and truck space Confirmation of shipment s must be limited to only items on the bill of lading Handling The Vektor H and Vektor HS laboratory exhaust system is shipped in subassembly sections for easy rigging and installation Depending on the fan size the sections can include Blower Assembly Stack Extension and Discharge Nozzle The Vektor H and Vektor HS are designed to be self supporting and standing without the use of guy wires when assembled per the instructions provided within this manual All subassembly sections have lifting lugs as shown Storage Fans are protected against damage during shipment If the unit cannot be installed and operated immediately precautions need to be taken to prevent deterioration of the unit during storage The user assumes responsibility of the fan and accessories while in storage The manufacturer will not be responsible for damage during storage These suggestions are provided solely as a convenience to the user INDOOR The ideal environment for the storage of fans and accessories is indoors
12. eal 3 Place the bypass air plenum BAP onto the previously installed gasket and secured roof curb If a BAP is not provided for the unit skip to Step 5 Pre drill pilot holes into the roof curb and attach the BAP to the roof curb with mounting hardware by others 4 Install 3 16 inch thick x 1 2 inch wide closed cell gasket on the top edge of BAP adhesive side down gasket provided Leave no gaps between gasket sections to ensure a tight seal 5 Place the curb cap of the fan housing onto the gasket and BAP or onto roof curb if BAP is not provided Attach the curb cap using the provided 5 16 inch self tapping screws If a BAP is not provided pilot holes must be drilled into the roof curb 6 Install the final nozzle subassemblies as shown in the submittal drawing Align flange bolt holes and fasten sections using the 316 stainless steel bolts washers and lock washers provided 7 Follow electrical connection and pre start up checks as listed on pages 7 and 8 Laboratory Exhaust System 5 Kitchen Roof Mounting Installation UL cUL 762 installation are for restaurant applications 1 The size of the duct must be equal to the inlet opening 2 Secure the fan to curb at all four corners using a minimum eight anchor bolts lag screws or other suitable fasteners 3 Use optional grease trap and external junction box 4 Area codes may require a continuous weld between duct and inlet 5 To comply with NFPA 96 the d
13. f GREENHECK an identification adek nameplate on the O s n JO MARK Vektor fan systems may arrive in component pieces due to shipping restrictions Individual components of a system have matching identification tags which should be used to identify and assemble the complete system Assembling systems with different identification tags can cause reductions in the fan s performance Prior to fully assembling and installing the Vektor H or Vektor HS fans inspect bypass air plenums and the fan assembly to make sure they are in working order Pre Installation Information Before installation it is important to be certain the mounting surface will bear the operating weight of the unit For proper unit operation it is also important that it be operated in a completely level position For further details on safety practices involving industrial and commercial fans please refer to AMCA Publication 410 A Electrical Disconnects All fan motors should have disconnects located in close visual proximity to turn off electrical service Service disconnects shall be locked out when maintenance is being performed Moving Parts All moving parts must have guards to protect personnel Refer to local codes for requirements as to the number type and design Fully secure fan wheel before performing any maintenance The fan wheel may start free wheeling even if all electrical power has been disconnected Be
14. fore the initial start up or any restart check the following items to make sure that they are installed and secure e Do not spin fan wheel faster than the maximum cataloged fan rpm e Adjustments to fan speed significantly affects motor load If the fan RPM is changed the motor current should be checked to make sure it is not exceeding the motor nameplate amps Guards Motor Cover Weatherhoods Do not operate fans without proper protective devices in place Failure to do so may result in serious bodily injury and property damage Check local codes to ensure compliance for all protective devices Air Pressure and Suction In addition to the usual hazards associated with rotating machinery fans also create a dangerous suction at the inlet Special caution needs to be used when moving around a fan whether it is in operation or not Before start up make sure the inlet area is clear of personnel and loose objects Laboratory Exhaust System E Lifting Information CAUTION The cone is to be lifted by the cone lifting lugs separately and individually from the fan assembly Vektor H lt Cone gt Lifting Lugs Unit Assembly Lifting Lugs Single Fan System with Bypass Air Plenum Single Fan System without Bypass Air Plenum Cone Lifting Lugs Unit Assembly Lifting Lugs Multiple Fan System with Bypass Air Plenum Vektor HS with SAVVE Technology Cone gt Lifting Lugs Unit A
15. in addition to the parts list shown will assist the local Greenheck representative and the factory in providing service and replacement parts Side View Top View Belt Tube Bearing Support Shaft Pulley Motor Cover optional Motor Belt wy Bearing Cover Bearings L gt Shaft Motor Inlet Cone venturi Motor Mounting Plate Vektor HS Nozzle Parts List and Assembly Item Quantity Description 1 2 Transition Weld 2 2 Transition side cover 3 2 Wind wrap round 4 2 Wind wrap flat 5 2 Frame bottom bar 6 2 Frame top bar 7 2 Frame weld 8 2 Blade weld 9 1or2 Actuator mount 10 4 Lifting lug 11 1 or 2 Actuator cover 12 2 Blade seal right 13 6 Blade seal left 14 4 Flex backing 15 2 Vektor backing 16 1or2 Actuator 17 1 Electrical box 18 4 Bearing 19 4 Blade seal 20 2 Flex seal Quantity 1 for sizes 9 thru 13 Quantity 2 for sizes 16 thru 36 BA Laboratory Exhaust System 11 Maintenance Log Date Time AM PM Date Time AM PM Notes Notes Date Time AM PM Date Time AM PM Notes Notes Date Time AM PM Date Time AM PM Notes Notes Date Time AM PM Date Time AM PM Notes Notes Our Commitment As a result of our commitment to continuous improvement Greenheck reserves the right to change specifications
16. ischarge is required to be a minimum of 40 inches 1016 mm above the roof deck and a minimum of 10 ft from any building air intake The minimum velocity in the duct should be 500 ft min or greater 6 Ductwork to an upblast discharge exhaust fan is constructed of carbon steel not less than 16 MSG 1 6 mm and extends a minimum of 18 inches 457 mm above the roof surface 7 Ensure that a minimum of 500 ft min of air velocity through the fan is maintained per NFPA 96 clause 8 2 1 1 2008 edition and UL 762 Issue 5 December 19 2003 clause 6 2 Grease Trap A grease trap is an aluminum trap designed to collect Trap grease residue to avoid drainage onto roof surface It contains a built in water separating baffle Instructions 1 Apply cover to grease trap Install clip nuts to trap over holes provided Attach cover with two 10 24 x 1 2 fasteners Senay 2 Position the container under the grease drain so the Roof Curb gt ii of Trap drain spout enters the cover approximately 11 2 to pia 2 in 38 51 mm F above root 3 Locate and mark the container mounting holes on deck per NFPA the extended base or roof curb Typical Commercial Kitchen Installation a aie in tm diameter Holes in marked WARNING 5 Apply container wiih 10 a x a fasteners 6 For most climates fill container with water at In a kitchen exhaust application do not use a speed installation and after each cleaning until i
17. le as a secondary option Overlap or offset is adjusted by loosening the wheel hub from the shaft and moving the wheel to the desired position along the shaft The transition between the inlet cone and wheel should be as shown there is a smooth feel to the profile when moving from one component to the other A Maintenance WARNING Disconnect all electrical power to the fan and secure to the OFF position prior to inspection or servicing Failure to comply with this safety precaution could result in serious injury or death Once the fan has been put into operation a periodic maintenance program should be set up to preserve the reliability and performance of the fan Items to be included in this program are e Belts e Removal of dust and dirt e Fasteners e Fan shaft bearings e Set Screws e Vektor HS nozzle bearings e Motors e Relubication schedule Belts Premature belt failures are frequently caused by improper belt tension either too tight or too loose or misaligned pulleys The proper tension for operating a V belt is the lowest tension at which the belts will not slip at peak load conditions For initial tensioning the proper belt deflection half way between pulley centers is 1 64 inch for each inch of belt span For example if the belt span is 64 inches the belt deflection should be one inch using moderate thumb pressure at midpoint of the drive Deflection Bens an Belt Span Belt Tension Che
18. olt spacing 3 5 inch 88 9 mm minimum embedment 4 5 inch 114 3 mm minimum edge distance centered in flange ALL HARDWARE BY OTHERS Ka Ta 4 poe emer en oe ee ae pol hE a od jije 4 im CONCRETE STRUCTURAL SUPPORT BY OTHERS SEE NOTE ABOVE Greenheck Roof Curb GPFHL GPFHD NI Q Install 3 8 inch 9 525 mm SS lag or thru bolt with 1 inch 25 4 mm O D washer 2 5 inch 63 5 mm maximum spacing from curb corners lt gt 4 5 inch 114 3 mm maximum bolt spacing SKS 3 5 inch 88 9 mm minimum tread engagement LS not including tapered tip Sect 2 inch 50 8 mm minimum edge distance SOS centered in flange X ete Pre drill holes 40 60 of lag diameter LS ALL HARDWARE BY OTHERS z 4 WOODEN STRUCTURAL SUPPORT BY OTHERS SEE NOTE ABOVE Duct Installation Bottom Inlet Duct Connection The end of the duct customer supplied is secured between the roof curb s top edge and the curb cap of either the Vektor H or bypass air plenum If an isolation damper is present in the roof curb the duct is located between the roof curb and the damper adapter tray Option 1 No isolation damper in roof curb e Bottom inlet on bypass air plenum SS E Vektor H or Vektor HS Duct lt Roof Curb Option 2 SS o Vektor H k Adapter Tray Duct e With isolation damper in roof curb Isolation Damper Duct Conne
19. permit air circulation sunlight and space for periodic inspection To minimize water accumulation place all fan parts on blocking supports so that rain water will run off Do not cover parts with plastic film or tarps as these cause condensation of moisture from the air passing through heating and cooling cycles Fan wheels should be blocked to prevent spinning caused by strong winds Inspection and Maintenance during Storage While in storage inspect fans once per month Keep a record of inspection and maintenance performed see backcover If moisture or dirt accumulations are found on parts the source should be located and eliminated At each inspection rotate the wheel by hand ten to fifteen revolutions to distribute lubricant on motor and bearings If paint deterioration begins consideration should be given to touch up or repainting Fans with special coatings may require special techniques for touch up or repair Machined parts coated with rust preventive coating should be restored to good condition promptly if signs of rust occur Immediately remove the original rust preventive coating with petroleum solvent and clean with lint free cloths Polish any remaining rust from surface with crocus cloth or fine emery paper and oil Do not destroy the conn the surfaces Wipe clean thoroughly with Tectyl 506 Ashland Inc or the equivalent For hard to reach internal surfaces or for occasional use consider using Tectyl 511M Rus
20. ssembly Lifting Lugs a Laboratory Exhaust System Roof Curb and Mounting Details Steel concrete or wood roof support is per structural engineer and in accordance with load requirements and applicable building codes The figures below illustrates three common methods used to install Vektor systems Methods used to attach a Vektor unit are dependent on local codes roof construction design and roof construction materials Consult an architect or structural engineer for proper means of attachment Steel Greenheck Roof Curb GPFHL GPFHD COE SRS SSK SS Continuous weld or stitch weld Minimum 6 inch 152 4 mm stitch weld by 3 25 inch 82 5 mm spacing minimum Minimum 6 inch 152 4 mm weld on each corner OR Install 5 16 inch 7 9375 mm 24 Dril Flex Self Drilling Tapping Screws 3 16 inch 4 7625 mm minimum thread engagement into A36 steel centered in flange 4 5 inch 114 3 mm spacing 5 8 inch 15 875 mm minimum edge distance ALL HARDWARE BY OTHERS STEEL STRUCTURAL SUPPORT BY OTHERS SEE NOTE ABOVE ______ LK OS QRS amp se SS RC Se x S XJ amp oS aS iS LS Sx X gt eS x BS AN gt Concrete Greenheck Roof Curb GPFHL GPFHD N O Install 3 8 inch 9 525 mm SS power wedge bolts 2 5 inch 63 5 mm maximum spacing from curb corners 4 5 inch 114 3 mm maximum b
21. t Preventive or WD 40 or the equivalent REMOVING FROM STORAGE As fans are removed 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 Vektor fan and system components inspect the fan assembly to make sure it is in working order 1 Check all fasteners set screws on the fan wheel bearings drive motor base and accessories for tightness 2 Rotate the fan wheel s by hand and assure no parts are rubbing Access to the wheel is obtained through a bolted panel located on the side of the fan housing General Information To ensure a successful installation the instructions in this manual should be read and adhered to Failure to comply with proper installation procedures may void the warranty Unit and System Identification Tags Each fan has a permanently affixed manufacturer s engraved metal nameplate containing the model number and individual serial number fan The information provides general details about the fan as well as containing specific information unique to the unit When contacting your Greenheck representative with future needs or questions please have the information on this label available Tags are mounted in an area which is clearly visible usually on the side of the fan cabinet The tag shown f is an example o
22. t flows out control or isolation damper the drain hole The unit is now ready for use NOTE Maintenance Regular inspection of grease trap is recommended exhaust upblast fans must have external wiring Depending on the amount of grease discharged through the fan the grease trap should be changed accordingly to ensure proper operation GJ Laboratory Exhaust System BR Plenum Drainage Piping Trap Detail By Others Plenum Drain Connection Fan Drain Connection There is a location for a pipe connection on each tubular fan housing and bypass air plenum Each drain may need to be connected to a drainage system to ensure proper disposal of any water or condensate that may occur e Drain connections are 0 5 inch NPT e Installed piping to have a downward angle to allow for drainage e Fill traps to recommended level before start up Note A conservative method of trap design is to set N total static pressure Positive Pressure Trap on Tubular Fan Housing 1 25 inch Connect minimum this end to fan drain FAN OFF FAN ON N Negative fan pressure inches W C H N 0 5 inches minimum Negative Pressure Trap on Bypass Air Plenum 1 25 inch minimum FAN OFF FAN ON N Negative fan pressure inches W C H N 0 5 inches minimum Electrical Connections Refer to the Vektor HS SAVVE controls Installation Operation and Maintenance Manual for electrical wiring and connection inform
23. volt 60 cycle three phase Laboratory Exhaust System Vektor H Applications with Variable Frequency Drive VFD For Vektor systems with single point three phase wiring per blower the isolation damper actuator will be powered via a step down transformer which is wired to the fan disconnect as shown in the wiring diagrams on page 7 If fan flow motor speed is to be controlled using a variable frequency drive with this wiring the reduced voltage and frequency supplied to the fan will cause control problems with the isolation damper actuator When a project s Vektor control sequence requires the use of a VFD it is suggested that the control contractor supply the isolation damper actuator voltage independent of the power supplied to the Vektor fan motor For Vektor HS fans provided from the factory with a VFD refer to the Vektor HS SAVVE controls Installation Operation and Maintenance Manual for electrical wiring and connection information Em Laboratory Exhaust System Pre Start Up Checks Check all fasteners for tightness Check radial gap overlap and wheel alignment The wheel should be aligned as shown Although the wheel position is preset and the unit is test run at the factory movement may occur during shipment The radial gap should be consistent at all locations between the centrifugal wheel and the inlet cone Centering may be accomplished by loosening the inlet cone bolts and repositioning the inlet
24. without notice Specific Greenheck product warranties are located on greenheck com within the product area tabs and in the Library under Warranties Greenheck Vektor H and the Vektor HS with SAVVE AMCA Publication 410 96 Safety Practices for Users and Technology catalogs provide additional information describing Installers of Industrial and Commercial Fans provides the equipment fan performance available accessories and additional safety information This publication can be obtained specification data from AMCA International Inc at www amca org BIGREENHECK Building Value in Air Phone 715 359 6171 Fax 715 355 2399 e E mail gfcinfo greenheck com Website www greenheck com A 469003 Vektor H and Vektor HS Rev 3 September 2012 Copyright 2012 Greenheck Fan Corporation
25. y Drive 0 ccc ee eee 8 DANGER Pre Start Up CHECKS ioc 2s ace teehee E E eee ne 8 Always disconnect power before working on or near a Maintenance fan Lock and tag the disconnect switch or breaker to Belts Fasteners and Set Screws 9 prevent accidental power up MOTOS ites cet cee EENE E EEEE RRENA Pate aul ne 9 Fan Shaft Bearings isrssisrressissiyriiedrdsa 9 CAUTION Bearing Relubication Schedule 10 When servicing the fan motor may be hot enough Vektor HS Nozzle Bearings 05 10 to cause pain or injury Allow motor to cool before Damper ACIAOlS 255 nieeueinece ead Seed ac 10 servicing Parts List and Assembly 2 00 00e 11 Maintenance Log 0 e eee eee Backcover SEI Our Commitment 0 0000e00 Backcover Precaution should be taken in explosive atmospheres fA Vektor H and Vektor HS Laboratory Exhaust System El Receiving Greenheck model Vektor H and Vektor HS fans are thoroughly inspected test run at the factory and shipped on a skid or packaged to minimize damage during shipment The transportation carrier has the responsibility of delivering all items in their original condition as received from Greenheck The individual receiving the equipment is responsible for inspecting the unit for obvious or hidden damage and recording any damage on the bill of lading before acceptance of the equipment All claims if necessary shall be filed with th
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