Greenheck Fan 474118 Fan User Manual
Contents
1. 2 Unit Identification 0 00 3 Installation Plenum Cabinet 0 000 cece eee eee eee 4 Unit Weights 0 0 cece ee eee 4 Plenum Service Clearances and Access 5 Assembly and Installation Roof Curb and Plenum Cabinet 5 6 Duct Connections Plenum Inlet 2 2 0 0 cece ee eee 7 Duct Connections cece eee eee eee 7 Drain Traps sssaaa uoaa au eee aa a a at a a 8 Coils Water Coil 2 cee es 8 9 Coil Checklist 000 c cece eee ees 9 Filter Replacement 0000 eee eee eens 9 Coating Touch Up Procedure 55 10 Optional Accessories Dirty Filter Sensor Magnehelic Gauge 10 Vapor Tight LightS 0 0 0 cece eee eee 10 Routine Maintenance COIS 6 S e eden ted ncarees euctive ate A 11 Fitesa etai nre a pia a Bena eaei Eana 11 Drain Pal ss i505 samaga oa Aa E cre ai y E 11 Service Coil Replacement 202002eeeee 12 Reference Maintenance Log 2 0 e eee e eee eee 12 Wanay sanie saara Paces R Ss ae ei 12 A Unit Identification System Identification Tags The tag shown is an example of an identification label on the 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 which2. Determine the placement of the plenum sections relative to each other Please refer to the submittal drawing for the orientation of any bypass air plenum BAP dampers or air inlet locations 2 Cut roof opening and locate curb Layout the unit roof openings such that exhaust inlet of the unit will line up with the corresponding ductwork refer to Recommended Roof Openings on page 7 Do not make opening larger than necessary Be sure to allow for the recommended service clearances 3 Install roof curbs Locate curb over roof opening Check that the diagonal dimensions are within 1 8 inch of each other and adjust as necessary Shim as required to level Secure curb to roof deck Attach supplied gasketing to top of curb 4 Set the ERS plenum cabinet Lift ERS plenum cabinet to a point directly above the curb and duct openings While lowering guide cabinet to align with duct opening Roof curbs fit inside the unit base Set ERS plenum cabinet into place on assembled VK ERS roof curb Allow gasketing on curb to compress before setting the fan bypass air plenum Make sure the unit is properly seated on the curb and is level C Pre installed gt a gasket material ERS gt Plenum Cabinet o Roof Curb ERS Plenum Cabinet Installed on Roof Curb Vektor ERS MD Energy Recovery Plenum Laboratory Exhaust 5 Set the Vektor fan b
3. P GREENHECK Building Value in Air Part Number 474118 Energy Recovery Laboratory Exhaust Installation Operation and Maintenance Manual Please read and save these instructions 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 Retain instructions for future reference Vektor ERS MD Greenheck model VKERS is a pre engineered energy recovery system designed to connect directly to a Vektor MD high plume dilution blower with bypass air plenum This installation manual covers procedures for receiving installing and maintaining the energy recovery coil section For additional instruction and maintenance information on the Vektor MD high plume dilution blowers visit www greenheck com and download the VK MD instruction manual part number 464652 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 profes
4. and workmanship for a period of one year from the shipment date Any units or parts which prove defective during the warranty period will be replaced at our option when returned to our factory transportation prepaid Motors are warranted by the motor manufacturer for a period of one year Should motors furnished by Greenheck prove defective during this period they should be returned to the nearest authorized motor service station Greenheck will not be responsible for any removal or installation costs As a result of our commitment to continuous improvement Greenheck reserves the right to change specifications without notice Greenheck Catalog Vektor ERS MD provides additional information describing the equipment fan performance available accessories and specification data AIGREENHECK Building Value in Air AMCA Publication 410 96 Safety Practices for Users and Installers of Industrial and Commercial Fans provides additional safety information This publication can be obtained from AMCA International Inc at www amca org Phone 715 359 6171 Fax 715 355 2399 e E mail gfcinfo greenheck com Website www greenheck com 12 474118 Model VKERS MD IOM Rev 1 April 2011 Copyright 2011 Greenheck Fan Corp
5. by referencing the bill of lading to ensure all items were received Inspect each crate for shipping damage before accepting delivery Notify the carrier if any damage is noticed The carrier will make notification on the delivery receipt acknowledging any damage to the product All damage should be noted on all the copies of the bill of lading which is countersigned by the delivering carrier A Carrier Inspection Report should be filled out by the carrier upon arrival and the Traffic Department If damaged upon arrival file claim with carrier Any physical damage to the unit after acceptance is not the responsibility of Greenheck Fan Corporation Unpacking Verify that all required parts and the correct quantity of each item have been received including accessory kit containing flex connector 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 Fans are to be rigged and moved by the lifting brackets provided or by the skid when a forklift is used Location of brackets varies by model and size Handle each piece in such a manner as to keep from scratching or chipping the coating Damaged finish may reduce ability of fan to resist corrosion S
6. is clearly visible usually on the side of the fan cabinet GREENHECK 718 359 6171 ERS and 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 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 Pre Installation Checks Prior to fully assembling and installing the ERS plenum cabinet and Vektor fan bypass plenum components inspect plenums coils and fan assembly to make sure they are in working order Storage When an ERS plenum cabinet is not going to be in service for an extended period of time certain procedures should be followed to keep the plenum and coils in proper operating condition Cover unit with tarp to protect from dirt and moisture NOTE Do not use a black tarp as this will promote condensation Ens Plenum 3 P ae I at Cabinet Fan Bypass Air Plenum BAP Fan System Components Vektor ERS MD Energy Recovery Plenum Laboratory Exhaust Ej In
7. Industrial Gray 041 enamel with Material Data Safety Sheet 4 disposable foam brushes 1 sheet of sandpaper 2 technical data sheets for the two pints 1 repair procedure 1 Scuff affected area to be repaired using medium sandpaper provided or medium Scotch Brite pad Feather the edges 2 Clean affected area to be touched up using an alkaline based cleaner and rinse 3 Apply Kem Kromik primer using 1 inch foam brush provided Follow technical data sheet instructions 4 Allow primer to dry a minimum of 2 1 2 hours before top coating 5 Topcoat with Industrial enamel using 1 inch foam brush provided Follow technical data sheets instructions Allow painted units to air dry and cure before putting into service See Technical Data sheets for detailed drying and cure schedules at different temperatures To order coating repair kits please reference Greenheck s part number HAZ2037 HI PRO GRAY FIELD DAMAGE REPAIR KIT Please contact factory with your fan s serial number for colors other than our standard Industrial Gray 041 10 Vektor ERS MD Energy Recovery Plenum Laboratory Exhaust Optional Accessories Dirty Filter Sensor Magnehelic Gauge Dirty filter sensor monitors pressure drop across the exhaust air filters Visual gauge on the side of the plenum cabinet indicates the pressure across the filter section Periodic inspection is necessary to determine whether filters need to be replaced Vap
8. and serious injury may occur Once the unit has been put into operation a routine maintenance program should be set up to preserve reliability and performance Items to be included in this program are e internal Filter Check for cleanliness Replace if required e Door Seal Check if intact and pliable e Coil Maintenance Check for cleanliness coil and drain pan e Winterizing Coils Drain Fill with antifreeze Drain Coil Maintenance Cleaning Coils should be kept clean to maintain maximum performance For operation at its highest efficiency the coil should be cleaned often during periods of high cooling demand or when dirty conditions prevail Power should be disconnected and locked out and motors should be covered to insure that no moisture penetrates into the windings causing motor failure if applicable Remove large debris from the coils and straighten fins before cleaning Clean coils with cold water and detergent or with one of the commercially available chemical coil cleaners Rinse coils thoroughly after cleaning For coils with fragile fins or high fin density foaming chemical sprays and washes air available Many coil cleaners contain harsh chemicals so they must be used with caution by qualified personnel only Care must be taken not to damage the coils FINS ARE SHARP Use caution when working with coils CAUTION Do not use acidic chemical coil cleaners Do not use alkaline chemical coil cleaners t
9. ducts Duct connections to collar type openings can be made with S cleats or overlapping joints Apply caulking around the duct connection Failure to ensure a tight fit and properly seal duct connections can cause air leakage and system performance problems from the contaminated airstream Bottom Inlet Energy Recovery Cabinet oe Contractor Installed Ductwork me Roof Deck Curb Energy Recovery Cabinet a on Contr actor Installed Ductwork Curb Roof Deck Plenum Side Inlet Gasket or Sealant by others Contractor Installed Ductwork Screws by others Gasket or Sealant by others Vektor ERS MD Energy Recovery Plenum Laboratory Exhaust Drain Trap Coils are provided with a stainless steel drain pan with 1 1 4 inch male NPT drain connection A drain trap must be connected to the drain connection to allow excess water to flow out of the drain pan More importantly though due to the negative internal static pressure of the coil compartment installing the drain trap prevents outdoor air from being pulled into the drain pan and consequently forcing water out of the pan and into the unit To ensure the drain trap works properly the trap height must account for the difference in static pressure between ambient conditions outside the unit and the internal negative pressure of the coil compartment Refer to
10. ee coating repair section of this manual for details involving touch up of damaged surfaces Fans should never be lifted by the shaft fan housing motor belt guard weatherhood windband or other accessories 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 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 F 7 C and 110 F 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 Vektor ERS MD Energy Recovery Plenum Laboratory Exhaust 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 per
11. fety glasses steel toe boots and gloves are recommended during the installation and maintenance of the coil All field piping must be self supporting System piping should be flexible enough to allow for the thermal expansion and contraction of the coil Water Coil Installation Recommendations 1 Piping should be in accordance with accepted industry standards Always use a back up wrench on the coil connections when attaching the piping to the coil if pipe thread connections are utilized Connect the water supply to the bottom connection on the air leaving side and the water return to the top connection on the air entering side The air vent at the uppermost point should be temporarily opened during system start up to release all of the air from the coil To maintain heat transfer capacity periodically vent any air in the coil Water coils are not normally recommended for use with entering air temperatures below 40 F Glycol solutions or brines are the only freeze safe media for operation of water coils for low entering air conditions Two position control valves modulating valves three way valves or a combination of these controls can accomplish control of water coils Follow the recommendations of the control manufacturer regarding types sizing and locations Face and bypass dampers may also be used but do not close off tightly Air leakage in cooling applications has no appreciable affect In heating applications ho
12. hat after mixing have a ph value greater than 8 5 without also using an aluminum corrosion inhibitor in the cleaning solution Failure to follow these guidelines or the manufacturer s instructions for use of cleaning chemicals could result in damage to the unit Fin Straightening Coil fins may have been bent during shipping or servicing and should be straightened to maintain maximum heat transfer Reduction of the effective coil surface will correspondingly reduce coil capacity Always check fin appearance after any handling of the coil and after any servicing is done near the coils Fin combs are sized according to number of fins per inch of the coil For relatively small bends that require only minor repair other tools may be used to evenly space the fins Be careful not to damage the coils Winterizing Coils During any extended down time all water should be drained from the coil The coil should then be thoroughly flushed with a glycol solution to prevent freeze damage Filters Filters upstream of the coil should be checked regularly for dirtiness and clogging If the filters are dirty they should be replaced It is important that the coils stay clean to maintain maximum heat transfer capability Drain Pan Drain pans may contain moisture therefore algae and other organisms will grow due to airborne spores and bacteria Scheduled cleaning is necessary to prevent build up from clogging the drain Drain pans shou
13. iodic inspection The unit should be stored at least 3 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 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 page 12 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 revolu
14. ld also be kept clean to prevent growth of bacteria and the spread of disease WARNING Biological Hazard All drain pans and coils should be cleaned on a regular schedule by qualified personnel to prevent the growth of bacteria Vektor ERS MD Energy Recovery Plenum Laboratory Exhaust 11 Service Coil Change Out Procedure Coils can only be pulled out through the side of the plenum cabinet Side panels which are nearest to the coil can be removed if the coil needs to be replaced Size 020 ERS plenums only have a single coil and do not require coil removal clearances on both sides If necessary both coils can be removed through the same side of the plenum housing This process would require the removal of an additional spacer panel that separates the two coils within the unit Cabinet Minimum Clearance Size inches 020 114 030 74 each side 040 100 each side 060 132 each side a I 1 Service Doors i gt i RRO ENEA E EEE NSE A Nee ee ra x z Coil Service Ho 7 T ato Coil Service Clearance ss Coil bd Coil oA Clearance Warranty Maintenance Log Date Time AM PM Notes Date Time AM PM Notes Date Time AM PM Notes Date Time AM PM Notes Greenheck warrants this equipment to be free from defects in material
15. local codes to determine drainage requirements If draining onto roof place a drip pan below drain to protect roof If draining onto roof is not acceptable a drain line must be attached to the trap The drain line must be pitched away from the unit at least 1 8 in per foot On longer runs an air break should be used to ensure proper drainage Local codes may require drainage into a waste water system Drainage problems not only occur from improper drain trap design but also from lack of maintenance of the cooling coil compartment Algae can form in the drain pan and trap and cause reduced water flow which can result in backup into the system Regular maintenance will prevent this from occurring If the drains have a clean out opening be sure to close the opening after cleaning 1 inch minimum TSP Total Static Pressure H TSP 1 inch minimum NOTE A conservative method of trap design is to add 1 1 4 inches minimum to total static pressure Em Vektor ERS MD Energy Recovery Plenum Laboratory Exhaust Coils Installation of Water Coil Piping Guidelines for the installation of the coil have been provided to ensure proper performance of the coils and their longevity These are general guidelines that may have to be tailored to meet the specific requirements of any one job As always a qualified party or individual should perform the installation and maintenance of the coil Protective equipment such as sa
16. or Tight Lights Vapor tight lights provide light to each of the compartments in the energy recovery plenum The lights are wired to a junction box mounted on the outside of the unit The switch requires a separate power source to allow for power to the lights when the unit main disconnect is off for servicing Electrical Package The electrical package consists of a switch and GFCI receptor mounted in a two gang in use NEMA 3R rated box with cover plate This box would be mounted at the factory near the ERS plenum access doors The GFCI is rated for 15A 125VAC and is provided with SafeLock Protection This feature denies power if the GFCI is incorrectly wired or if the GFCI is damaged and protection is lost The GFCI is also equipped with a trip indicator light to easily identify tripped condition Receptor uses a NEMA 5 15 R configuration Supplied switch is industrial extra heavy duty grade with back and side wiring The switch has a rating of 20A 120 277VAC and single pole The switch comes from the factory pre wired to lights within ERS plenum section Electrical wiring for power to the electrical panel is to be installed by a licensed electrician in compliance with all local and national codes Routine Maintenance CAUTION Use caution when removing access panels or other unit components especially while standing on a ladder or other potentially unsteady base Access panels and unit components can be heavy
17. s Plenum Assembly Installed on Roof Curb 6 Vektor ERS MD Energy Recovery Plenum Laboratory Exhaust Inside the ERS plenum are slots along the marrying sections which accept the bolt and washer RA assemblies Using be Slots gt H Q the hardware kit a le ean attach the unit bie gt d sections by bolting together frame pie gt d trusion from th F oe one s Slot Detail Tighten the bolt washer assemblies to the top and both sides of the joining sections Start on the lower sides and work towards the top As the bolts are tightened the plenum sections will draw together Use anti seize gel to prevent galling welding of all stainless steel fasteners If necessary pull the units together with a mechanical come along device at the structural base of the unit or at lifting lugs External brackets one for each side transition and connect lower section of the bypass air plenum to the ERS cabinet These brackets ship with the BAP and also complete the connection between the BAP and roof curb Attach to fan bypass air plenum section Attach to ERS plenum Pa section A Skirt Bracket After the ERS plenum and Vektor fan BAP are joined and secured the Vektor fans can be set on the BAP Refer to Vektor Fan installation instruction part number 464652 on this procedure Installation Installations with inlet configurations that deviate from
18. sional engineer before moving forward DANGER Always disconnect power before working on or near a fan Lock and tag the disconnect switch or breaker to prevent accidental power up CAUTION When servicing the fan motor may be hot enough to cause pain or injury Allow motor to cool before servicing CAUTION Precaution should be taken in explosive atmospheres 1 Vektor ERS Energy Recovery Plenum Laboratory Exhaust A by GREENHECK Follow all local electrical and safety codes as well as the National Electrical Code NEC the National Fire Protection Agency NFPA where applicable Follow the Canadian Electric Code CEC in Canada The rotation of the wheel is critical It must be free to rotate without striking or rubbing any stationary objects Motor must be securely and adequately grounded Do not spin fan wheel faster than maximum cataloged fan rpm Adjustments to fan speed significantly effects 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 Do not allow the power cable to kink or come in contact with oil grease hot surfaces or chemicals Replace cord immediately if damaged Verify that the power source is compatible with the equipment Never open access doors to a duct while the fan is running Receiving Upon receiving the product check to make sure all items are accounted for
19. stallation ERS plenum cabinets and fan bypass air plenums are to be rigged and moved by the lifting brackets provided Handle in such a manner as to keep from scratching or chipping the coating Damaged Fan Bypass finish may reduce Air Plenum Lift Points ability of cabinet to resist corrosion va MS manual for details involving touch up of damaged surfaces See coating repair Va Top view of section of this Bypass Air Plenum ERS Plenum Housing Lifting Bracket removable after installation Roof Curb CAUTION When installing an ERS plenum cabinet ensure the proper protective devices are used to protect personnel from moving parts and other hazards 4 Vektor ERS MD Energy Recovery Plenum Laboratory Exhaust Check local codes to ensure compliance for all protective devices ERS plenum cabinet with coil section should be lifted hoisted by lifting brackets provided These brackets are located around the lower perimeter of the plenum cabinet 1 2 Before lifting be sure that all shipping material has been removed from unit To assist in determining rigging requirements weights are shown below Unit must be lifted by the lifting brackets provided on base structure Rigger to use suitable mating hardware to a
20. this panel to run plumbing or punch appropriately sized holes in the panel to allow piping to pass without rubbing and space for piping insulation sealant and grommets by others Vent and drain connections are provided on Greenheck water coils unless otherwise specified This allows the coils to be drained Keep in mind that when draining the coils all water may not drain from the coil In order to completely drain the coil to prevent the possibility of freezing during cold ambient temperatures air or nitrogen pressure must be utilized to blow any remaining water from the coil Coil Installation Checklist Use the following checklist to verify that all necessary installation procedures have been completed 1 Coils are installed with airflow in same direction as indicated on the coil nameplate or casing 2 Condensate drain pans and piping is installed with a trap in the condensate line and piping is insulated and heated if installed in applications that are below freezing 3 Clean filters are installed upstream A Vektor ERS MD Energy Recovery Plenum Laboratory Exhaust EK Vektor Field Coating Touch up Procedure for Scratched Areas Standard coating and color for the Vektor laboratory exhaust system is Greenheck s LabCoat Industrial Gray 041 The procedure below details the correct method for repairing minor scratches in the coating Repair Kit Contents 1 pint Kem Kromik primer with MSDS 1 pint
21. this standard may result in reduced fan performance Restricted or unstable flow at the fan inlet can cause pre rotation of incoming air or uneven loading of the fan wheel yielding large system losses and increased sound levels Vektor Riser Installation Check curb or structural supports for levelness Both must be level to ensure proper drainage from plenum and fan s Duct Connections Plenum Bottom Inlet Opening Length ini a ini T aad Width a x O am D om Service Door Cabinet Length Width Size inches inches 020 86 25 030 120 25 040 172 25 060 236 25 Plenum Side Inlet Duct Dimension Peo r i p rae 9 Height hoe i ai Cabinet Length Height Size inches inches 020 86 30 030 120 30 040 172 30 060 236 30 Duct Connections Installation of all ducts should be done in accordance with SMACNA and AMCA guidelines Connect primary exhaust air ducts to unit using flanged connections Screw ducts directly to unit using stainless steel self tapping sheet metal screws Contractor is responsible for providing transitions to accommodate difference in sizing between unit and building
22. tions 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 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 continuity of 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 Rust Preventive or WD 40e 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 Table of Contents Receiving Handling Storage
23. to page 12 for coil clearances Side or Bottom Intake Opening Lift Bracket Filters Optional 4 Service Doors External Piping by others Internal Pipe Chase pos Optional Internal Piping by others under Vektor fans i Weatherhood s ees Vektor bypass air plenum optional mounting locations shown Assembly of Roof Curbs and ERS Plenum Cabinet to the Bypass Air Plenum BAP Rooftop units require curbs to be mounted first The duct connections must be located so they will be clear of structural members of the building 1 Assemble factory supplied roof curbs Roof curbs are Model VK ERS which are shipped knocked down and require field assembly by others Assembly instructions are included with the roof curb Gasketing material supplied to be attached to top edge of all curb sections Curb section for Vektor fan bypass air plenum Anchor curb to roof deck structure in accordance with project construction documents Gasketing material shipped with Vektor fan should be placed on the top edge of secured roof curb prior to placing the ERS plenum cabinet and Vektor bypass air plenum on the curb If fan bypass air plenum BAP is in sections these should be assembled first prior to connection to ERS plenum cabinet Refer to Vektor Fan IOM part number 464652 on how to assemble the fan BAP
24. ttach to unit lifting brackets Two spreader bars must span the unit to prevent damage to the cabinet by the lift cables Always test lift the unit to check for proper balance and rigging before hoisting to desired location Never lift units in windy conditions Preparation of curb and roof openings should be completed prior to lifting unit to the roof Verify the curb has the gasket seal on the top surface Do not use fork lifts for handling unit Unit Weights ERS Plenum Section Only Cabinet Cabinet Weight Size Height Ibs 075 3700 a 090 4500 075 4300 i 090 4900 075 5400 i 090 6100 075 6900 060 090 7800 110 8300 Weights shown are for largest coil and filter options per cabinet size Based on dry weight Weights for custom designed units may vary Plenum Service Clearances and Access Locations ERS plenum cabinet and Vektor fan bypass air plenum BAP require minimum clearances for access on three sides for routine maintenance Filter replacement drain pan inspection and cleaning coil inspection damper actuator adjustments and inspection fan bearing lubrication and belt adjustment belt drive units are examples of routine maintenance that must be performed Coil and filter sections are always provided with a service door or panel for proper component access Clearances for component removal may be greater than the service clearances Refer
25. wever the air temperature may rise several degrees and should be considered in system design Low leakage dampers may be required Filter Replacement Filters are located only in the coil plenum section Access is needed from both sides of the plenum to change all the filters Unit may have either 2 inch MERV 8 filters or 4 inch MERV 11 filters depending on the application requirements Use equivalent MERV RETURN RETURN Airflow __ gt Airflow SUPPLY SUPPLY rating filters when replacing External Pipe External Pipe Change the filters regularly Pressure drop readings Connection Connection can be used to determine when a filter should be n m a n replaced Prefilters should be replaced at filter manufacturers recommended pressure drop change out or as required by system design All filter sections have access provided by a door Filters used in Greenheck ERS plenums can be LI changed in most cases by sliding them out and replacing In some cases filters are secured to frames using a clip Internal Internal Pipe Pipe Chase Chase 6 Pipe sizes for the system must be selected on the basis of the head pressure available from the circulating pump 7 Internal coil plumbing Under each fan there is a raised insulated cover panel to be used when internal pipe connections are desired Either remove
26. ypass air plenum Before moving the Vektor fan BAP into position gasketing must be installed to seal the plenum sections against leakage Gasketing gasketing is Z ii MZ attached to the ng Tep ERS plenum cabinet he Otay prior to shipment Verify Ying sIk that it is in place and not damaged or missing prior to joining the two plenums together The assembly Assembly Hardware Kit hardware aramas 5 16 18 UNC x 2 1 2 lag bolts steel bolts required 5 16 inch flat washers to join the sections iS 1 2 inch flat washers located in the Vektor 3 4 inch flat washers fan bypass air plenum Quantities in hardware kit will vary accessory kit by unit size and configuration Lift and set the Vektor fan BAP on the curb against the ERS plenum Follow rigging and lifting instructions in the Vektor MD installation instruction part number 464652 Push fan bypass air plenum tight against ERS plenum making sure to line up bolt holes Be certain to compress foam gasket to form an airtight seal E z z Push l Plenum oe ERS p a e l o oe Plenum oo Js 4 Cabinet Fan Bypass i Air Plenum S BAP T ITT Te J n n nn Roof Curb ERS and Vektor Fan Bypas
Download Pdf Manuals
Related Search