Greenheck Fan 464696 Fan User Manual
Contents
1. 1079 2476 2750 2513 0875 335 320 663 1079 2476 2750 2513 0875 axo ass s29 sz 663 a7 1079 2676 3126 2263 1375 All dimensions are in inches Direct Expansion DX Single Circuit 4 6 or 8 Row Orifice Code 18 19 1 125 in 1 625 in 3 in Cap E Airflow ET With airflow from left to right the fluid enters the coil 4 7 Lou bt from the center connection Inlet and exits from the bottom Outlet The other coil connections should F T _ be capped off Cap OT Ig Tow H 0 75 in 3 75 in 1 EA UJ Lad in Drain H D Connection Right side connection shown oo e 6Row Row Row Row s2 sar ses 625 733 2475 2750 1444 a2 sar ses 625 730 2075 2750 1444 32 sn ses 625 730 275 3126 1 9 All dimensions are in inches Model VFCD VFCB Vertical Fan A Filter Sizes and Quantity Filter EE Face EXER VFCD VFCD 600 20x24 1 27 VFCD VDFCB 800 20x24 All dimensions are in inches H Model VFCD VFCB Vertical Fan Coil System Start Up For proper unit function and safety follow everything in this start up procedure in the order presented This is to be done after the electrical connections are2. D 0 75 3 81 in sin e in iem e Drain Connection 0 25 vent and drain supplied Right side connection shown Hot Water 4 Row Outlet Cap Outlet Airflow Mai Inlet ini L4 Inlet om i D 0 75 in 3 75 in FL 15 in Lan 0 99 4 Connection 0 25 vent and drain supplied Right side connection shown Steam 1 and 2 Row in Airflow Inlet V 7 Inlet d v Outlet _ Outlet i 22 0 75 4 38 in i Lsm a FLasin E e in B Drain Connection Right side connection shown A B C D 2000 2250 2263 0876 1909 2400 2750 2263 0876 160 2475 2725 2263 0875 2000 2475 2780 2613 0875 240 2476 2750 2613 0875 aoo 2875 3126 2263 1375 All dimensions are in inches Fluid enters the coil from the bottom connection Inlet and exits from the top Outlet EIGENEN 2000 2250 2263 8 1309 2400 2750 2263 0876 160 2475 2725 2263 osrs 2009 2475 2750 2613 0876 2409 2475 27 50 2519 0878 300 2875 3125 2263 1376 All dimensions are in inches With airflow f
3. H GREENHECK Part 464696 Building Value in Air Vertical Fan Coil 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 Model VFCD General Safety Information Only qualified personnel should install this unit 2 The rotation of the wheel is critical It must be Personnel should have a clear understanding of these free to rotate without striking or rubbing any instructions and should be aware of general safety stationary objects precautions Improper installation can result in electric 3 Motor must be securely and adequately shock possible injury due to coming in contact with grounded moving parts as well as other potential hazards 4 Do not spin fan wheel faster than the maximum Other considerations may be required if high winds cataloged fan rpm Adjustments to fan speed or seismic activity are present If more information significantly affects motor load If the fan RPM is is needed contact a licensed professional engineer changed the motor current should be checked before moving forward to make sure it is not exceeding the motor 1 Follow all local electrical and safety codes as nameplate amps well as
4. in the steam pressure Estimate 3 feet for each 1 PSI of trap differential required 5 On start up admit steam to coil ten minutes before admitting outdoor air 6 Provision must be made to close fresh air dampers if steam supply pressure falls below minimum specified Model Vertical Fan Coil Drain Pan Drain Trap Drain lines and traps should be run full size from the drain pan connection Drain pans should have drain lines and traps to permit the condensate from the coils to drain freely On all units with drain pans the trap depth and the distance between the trap outlet and the drain pan outlet should be twice the static pressure P in the drain pan section under normal operation to assure the trap remains sealed 2P minimum 2 minimum Drain Drain Trap Fan Maintenance Greenheck recommends these procedures to ensure trouble free operation of this unit It is especially important to maintain heater units for clean and efficient operation Most unit failures can be attributed to poor setup or poor maintenance A record of maintenance performed on this unit should be kept This information will provide essential information if problems are encountered A section at the back of this manual is provided for recording the unit s maintenance history CAUTION When performing any maintenance on this unit be sure that the power is disconnected and cannot be acciden
5. top connection on the air entering side The extra bottom connection can be used for an auxiliary manual drain connection and the extra top connection may be used for an automatic air vent or the extra connections can be capped To ensure proper venting an external air vent in the piping is recommended Connecting the supply and or return in any other manner will result in very poor performance CAP UNUSED CONNECTIONS 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 coil Vent to to be located behind connections side access door Water coils are not normally recommended for use with entering air temperatures below 40 F No control system can be depended on to be 100 safe against freeze up with water coils Glycol solutions or brines are the only safe media for operation of water coils with low entering air conditions WARNING Continuous water circulation through the coil at all times is highly recommended Pipe sizes for the system must be selected on the basis of the head pressure available from the circulation pump Piping should be in accordance with accepted industry standards For chilled water coils the condensate drain pipe should be sized adequately to ensure the condensate drains properly See Drain Pan Traps section and related drawing Direct Expansio
6. Greenheck Fan Corporation Unpacking Verify that all required parts and the correct quantity of each item have been received 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 Units 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 in such a manner as to keep from scratching or chipping the coating Damaged finish may reduce ability of unit to resist corrosion Storage Units 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 unit 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 units 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 t
7. ame manufacturer and size When reinstalling filters be sure to install with the airflow in the correct direction indicated on the filter Yearly Bearings Most bearings are permanently lubricated and require no further lubrication under normal use Normal use being considered 20 F to 120 F and in a relatively clean environment Some bearings are re lubricatable and will need to be re greased depending on fan use Check your bearings for grease fittings to find out what type of bearing you have If your fan is not being operated under normal use bearings should be checked monthly for lubrication Motors Motor maintenance is generally limited to cleaning and lubrication where applicable Cleaning should be limited to the exterior surfaces only Removing dust and grease buildup on motor housing assures proper motor cooling Greasing of motors is intended only when grease fittings are provided Many fractional motors are permanently lubricated and require no further lubrication Motors supplied with grease fittings should be greased in accordance with manufacturer s recommendations When motor temperature does not exceed 104 40 the grease should be replaced after 2000 hours of running time as a general rule Wheels Wheels require very little attention when moving clean air Occasionally oil and dust may accumulate on the wheel causing imbalance When this occurs the wheel and housing should be cleaned to ass
8. amps and correct if over amping See the Troubleshooting section in this guide Speed Controls Speed controls may be used on Model VFCD fans for manual adjustment of the fan s performance for final system balancing or to control the fan s output in confined spaces such as conference or meeting rooms The fan can be adjusted to 6096 of design airflow with a speed control This reduction in airflow and fan speed is also accompanied by a reduction in noise level Solid state speed controls are available for a range of applications up to 15 amps Speed controls can be used to operate more than one fan if the combined total amperage of the fans does not exceed the control rating Model 5WSSC For use with shaded pole and PSC motors e Rated for 115 127v 5 amp e UL Listed Requires a 2x4 handy box Model 5W240 For use with shaded pole and PSC motors e Rated for 220 240v 5 amp UL Listed Requires 2x4 handy box Model 8WSSC For use with shaded pole and PSC motors e Rated for 220 240v 8 amp UL Listed Requires 2x4 handy box Model 10WSSC For use with shaded pole and PSC motors e Rated for 115 127v 10 amp e UL Listed Requires 4x4 handy box FULL VOLTAGE B EIE Dotted line indicates BLACK 2 for use with 10W switch only Aqu TT i WHITE VARIABLE E SPEED CONTROL VOLTAGE pona PU i 120 VAC Model VFCD VFCB Vertical Fan Coil Trouble
9. complete PRE START CHECK LIST 1 Disconnect and lock out all power switches to fan 2 Check all fasteners set screws and locking collars on the fan bearings drive motor base and accessories for tightness 3 Rotate the fan wheel by hand and assure no parts are rubbing 4 Check the V belt drive for proper alignment and tension SPECIAL TOOLS REQUIRED Voltage Meter Tachometer e Amperage Meter 1 Check Voltage Before starting the unit compare the supplied voltage with the unit s nameplate voltage and the motor voltage Units are not provided with thermal overload protection unless a control center has been ordered with the unit or the motor has been selected with thermal overload protection 2 Check Blower Rotation If the blower is rotating in the wrong direction the unit will move some air but will not perform properly To check the rotation open the blower access door and run the blower momentarily to determine the rotation To reverse the rotation turn the power off and use the following procedure e For single phase units rewire the motor per the instructions on the motor e For three phase units interchange any two power leads This can be done at the motor starter 3 Check for Vibration Check for unusual noise vibration or overheating of bearings Excessive vibration maybe experienced during initial start up Left unchecked excessive vibration can cause a multitude of problems including s
10. ded for the coil unit installation and 1 operation gt m General Hl Strainer pla Gate Valve Control Valve Modulating Two Position 1 Provide separate supports and hangers for the unit and the piping 2 Be certain that adequate piping flexibility is provided Stresses resulting from expansion of closely coupled piping and coil arrangement can cause serious damage Float amp Thermostat Trap Check Valve Vacuum Breaker Steam Coil Piping 3 Standard steam coils are pitched in the casings when installed for horizontal airflow The casing must be level after the unit is installed for proper condensate drainage If condensate is not removed the coil will suffer from water hammering and will have a shortened life On vertical airflow applications the coils must be pitched when installed Model VFCD VFCB Vertical Fan Coil EE General continued 4 Do not reduce pipe size at the coil return connection Carry return connection size through the dirt pocket making the reduction at the branch leading to the trap 5 It is recommended that vacuum breakers be installed on all applications to prevent retaining condensate in the coil Generally the vacuum breaker is to be connected between the coil inlet and the return main The vacuum breaker should be open to the atmosphere and the trap design should allow venting of large quantities of air 6 Do not attempt to lift condensate when using m
11. emperature swings may cause condensation and sweating of metal parts All accessories must be stored indoors in a clean dry atmosphere 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 Model VFCD VFCB Vertical Fan Coil The unit should be stored at least 372 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 Inspection and Maintenance during Storage While in storage inspect fans once per month Keep a record of inspection and maintenance performed If moisture or dirt accumulations are found on parts the source should be located and eliminated At each inspection rotate the fan wheel by hand ten to fifteen revolutions to distribute lubricant on motor Every three months the fan motor should be energized 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 conditio
12. ld supplied base as shown in Figure 1 An optional Greenheck supplied 6 inch extended base may be used when mounting as shown in Figure 2 Figure 1 Model VFCD VFCB Vertical Fan Coil Unit Dimensions Model VFCD Model VFCB Outlet Airflow Vertical Airflow Horizontal Opposed Airflow Option Le s o pos po pom qom All dimensions are in inches Weights UOD WADE Coil Section Vertical Filter Fan with Drain Pan Fan with Drain Pan Fan Motor Total Fan Motor Total Row 1 Row 2 Row 4 Row 6 Row 8 2 inch 4 inch e 25 ss a zs oo 299 s 77 we vs 1s 255 240 200 ae sv 77 e 15 s 13 19 20 1s ss 320 s sr 77 e 15 s 30 zs sm se eo ae s no 195 1 17 20 aso zs ars se zs s se so wr vs zs 12 10 240 35 ss aos ae zs ass se so wm vs zs 12 10 3o a25 s as s zs soo oo 140 255 34 22 All weights shown are in Ibs pounds Motor weights may vary depending on enclosure type and horsepower Model VFCD VFCB Vertical Fan Coil A Coil Dimensions Hot Water 1 and 2 Row D 4 in Outlet Outlet L 1 Airflow Inlet 3 75 in Inlet i in 52 2 in r o
13. ll coils be drained as thoroughly as possible and then treated in the following manner Fill each coil independently with an antifreeze solution using a small circulating pump and again thoroughly drain Check freezing point of antifreeze before proceeding to next coil Due to a small amount of water always remaining in each coil there will be diluting effect The small amount of antifreeze solution remaining in the coil must always be concentrated enough to prevent freeze up NOTE Carefully read instructions for mixing antifreeze solution used Some products will have a higher freezing point in their natural state than when mixed with water Drain Pan Maintenance Drain pans in any air conditioning unit will have some moisture in them therefore algae and other organisms will grow due to airborne spores and bacteria Periodic cleaning is necessary to prevent this buildup from plugging the drain and causing the drain pan to overflow Inspect twice a year to avoid the possibility of overflow Also drain pans should be kept clean to prevent the spread of disease Cleaning should be performed by qualified personnel ET Model vFCD vFCB Vertical Fan Coil Start Up Documentation Job Information Job Name Address City State Zip Phone Number Contact Person Start Up Company Information Service Oranization Address City State Zip Phone Number Fax Number Start Up Date Sta
14. n DX Coils 1 Piping should be in accordance with accepted industry standards Pipework should be supported independently of the coils Undue stress should not be applied at the connection to coil headers The condensate drain pipe should be sized adequately to ensure the condensate drains properly See Drain Pan Traps and related drawing 3 When connecting suction and liquid connections make sure the coil is free from all foreign material Make sure all joints are tight and free of leakage 4 Dual circuits are recommended to be run by two compressors One compressor with the appropriate valves and piping can be used but is not recommended Greenheck does not supply compressor or condensing units for further instruction on DX coil installation and operation contact your compressor and or condenser manufacturer DXI coils have dual connections and should be used with two compressors WARNING Standard unit insulation of 1 5 lbs density has an insulation R value of 3 7 For applications where the unit discharge temperatures are below 55 F and the unit is installed in a warm humid environment additional insulation may need to be applied to the exterior of the unit to prevent condensation Steam Coils Application Recommendations Satisfactory operation and service life are best ensured when coils are installed with proper piping trap and support arrangement The following notes and drawing are recommen
15. n 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 thoroughly clean 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 units are removed from storage to be installed in their final location they should be protected and maintained in a similar fashion until the equipment goes into operation Prior to installing the unit and system components inspect the unit 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 Service Clearance Units require service clearance for e filter replacement coil and drain pan inspection cleaning and replacement motor and drive inspection maintenance and replacement Access panels are provided for inspection and cleaning of unit components Allow service clearance of 26 inches for removal of filters Allow a service clearance equal to the unit width for removal of coils and drain pan Table of Contents Installation Unit Layout 1 2
16. odulating or on off control 7 Do not reduce the pipe size leaving the coil Traps 1 Size traps in accordance with the manufacturer s recommendations Be certain that the required pressure differential will always be available DO NOT UNDERSIZE 2 Float and thermostatic or bucket traps are recommended for low pressure steam On high pressure systems bucket traps are normally recommended The thermostatic traps should be used only for air venting 3 Bucket traps are recommended for use with on off control only 4 Locate traps at least 12 inches below the coil return connection Controls 1 On high pressure installations a two position steam valve with a face and bypass arrangement is preferred where modulating control is required 2 Modulating valves must be sized properly DO NOT UNDERSIZE Freezing Conditions entering air below 35 F 1 5 PSI steam must be supplied to the coil at all times 2 Modulating valves are not recommended Control should be by means of face and bypass dampers 3 Provision should always be made to thoroughly mix fresh air and return air before it enters the coil on return air units Also temperature control elements must be properly located to obtain true air mixture temperatures 4 As additional protection against freeze up the trap should be installed sufficiently far below the coil to provide an adequate hydrostatic head to ensure removal of condensate during an interruption
17. ossium Re 3 Mounting 1 51 1 5 3 Unit Dimensions Weights 4 Inlet and Outlet Duct Details 4 Coil Details sasia 5 6 Filter Details 7 Operation System 8 Speed lt 9 Troubleshooting BlOWGEP cota RTI Ri EG REO 10 Motor lt 10 Insufficient Too Much Airflow 10 Excessive Noise or Vibration 10 Start Up Hot Water Chilled Water and DX 11 12 Drain Pan Drain Trap 12 Maintenance 13 MEC 14 Drain Eier 14 Reference Start Up Documentation 14 Maintenance Log 15 WANA eei trem Backcover H Unit Layout 1 Fan Section 2 Coil Section e Chilled Water e DX Coils 3 Vertical Inlet Filter with 1 4 turn fasteners e Hot Water Steam Coils 4 Hinged Access Door for blower section unit shown with door removed 5 Coil Access Panels provides right and left access to coil section 6 1 1 4 inch knockout is provided for the recommended electrical wiring penetration or disconnect switch Mounting Instructions The VFC should be mounted on a fie
18. rom left to right the fluid enters the coil from the bottom connection Inlet and exits from the top Outlet The other two coil connections should be capped off Cap NC RN 2000 2250 1320 20 80 20 00 2250 1320 29 1309 240 zrso 1320 20 160 2475 2726 1320 20 2009 2475 2750 1444 29 240 2475 2750 1444 20 309 275 326 1320 25 All dimensions are in inches Steam enters the coil from the center connection Inlet and exits from the bottom Outlet Model VFCD VFCB Vertical Fan Coil Coil Dimensions continued Chilled Water 4 6 or 8 Row F Outlet Cap 0 Outlet With airflow from left to right the fluid enters the coil 7 from the bottom connection Inlet and exits from the E E top Outlet The other two coil connections should Inlet be capped off Cap lly 21 pp Cap o Li ED 0 75 in 875in EA Drain D Connection 0 25 vent and drain supplied Right side connection shown tee peu e ERR i az az 1079 2000 2250 2263 0876 1 0 as 320 321 663 1079 2400 2750 2263 0476 15 as 320 221 663 a7 1079 2476 2726 2263 0875 335 329 s2 663
19. rt Up Personnel Name Nameplate Information Unit Model Number Volts Amps Hertz Mark Phase Fan rpm Unit Serial Number Field Start Up Documentation O Check blower rotation O Check air volume cfm Design Actual O Actual motor voltage O Actual motor hertz O Actual motor phase O Actual motor amps Drive L Fan RPM Range Minimum Maximum Volts Hertz Phase Amps 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 Date Time AM PM Date Time AM PM Notes Notes Date Time AM PM Date Time AM PM Notes Notes A Model VFCD VFCB Vertical Fan Coil KE Warranty Greenheck warrants this equipment to be free from defects in material and workmanship for a period of one year from the purchase 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 ser
20. shooting Symptom Possible Cause Corrective Action Blown fuse or open circuit breaker Replace fuse or reset circuit breaker and check amps Blower fails to Broken fan belt Replace operate Defective motor or capacitor Replace Motor starter overloaded Airflow too high Reset starter and check amps Check airflow and adjust drives if needed Static pressures are higher or lower than design If higher ductwork should be improved If lower fan RPMs should be lower Blower rotation is incorrect Motor overamps Motor voltage incorrect Check rotation and correct Check motor nameplate and supplied voltage Motor horsepower too low See specifications and catalog for fan curves to determine if horsepower is sufficient Shorted windings in motor Mixing box damper not fully open Replace motor Adjust damper linkage or replace damper motor System static pressure too high Improve ductwork to eliminate losses using good duct practices Blower speed too low Mixing box dampers closed Check for correct drives and RPMs with catalog data Open and adjust Insutticiont auro Dirty or clogged filters Clean or replace Leaks in ductwork Repair Elbows or other obstructions may restrict fan outlet Correct or improve ductwork Belt slippage Adjust belt tension Blower fan speed too high Check for correct fan RPM Too inuch Filter s not in place In
21. stall filters Insufficient static pressure airflow resistance Induce static pressure into system ductwork Wheel rubbing on housing Center wheel Loose wheel on shaft Tighten wheel setscrew Loose motor or blower sheave Tighten sheave setscrew Belts too loose Adjust belt tension after 24 hours of operation Loosen to maintain 3 8 inch deflection per ft of span Belts too tight between sheaves Worn belt Replace Excessive noise or vibration Motor base or blower loose Tighten mountings bolts Worn bearings Replace Bearing and drive alignment Realign Motor out of balance Replace Wheel out of balance Replace or rebalance Sheaves eccentric or out of balance Replace or rebalance Accumulation of material on wheel Clean wheel and housing ET Model VFCD VFCB Vertical Fan Coil Start Up of Coil Module Hot Water Chilled Water and DX Coils 1 Piping should be in accordance with accepted industry standards Pipework should be supported independently of the coils Water pipes are copper with sweat connections USE WET TOWEL TO AVOID BURNING COIL CONNECTION GROMMETS When installing coupling do not apply undue stress to the connection extending through the unit Use a back up pipe wrench to avoid breaking the weld between coil connection and header Connect the water supply to the bottom connection on the air leaving side and the water return to the
22. tally turned on The control center disconnect can be locked in the off position Two Weeks after Start Up Belts Belts tend to stretch after a period of time They should be periodically checked for wear and tightness Approximately 3 8 inch of deflection per ft of span between sheaves is standard for belt tightness When replacing belts use the same type as supplied with the unit Matched belts should always be used on units with multi groove pulleys Deflection Belt Span 64 Belt Span NOTE For motors of 1 hp orlessa smaller sliding base bracket is used to attach to blower Replacement of belts can be accomplished by loosening the motor to the point where the belts can be removed by hand Do not force belts on or off as this may cause breakage of cords leading to premature belt failure Belts should be adjusted as above Every Three 3 Months Filters The filter in the unit should be inspected at least every three 3 months Depending on the environment filters could require changing or cleaning more or less often The filters can be slid out of the coil connection side of the unit If washable filters are installed they can be washed in warm soapy water An adhesive spray can be applied to increase filter efficiency If disposable filters are installed check by holding up to a light source If light cannot pass through the filter it should be replaced Replacement filters should be of the s
23. the National Electrical Code NEC the 5 Do not allow the power cable to kink or come National Fire Protection Agency NFPA where in contact with oil grease hot surfaces applicable Follow the Canadian Electric Code or chemicals Replace cord immediately if CEC in Canada damaged 6 Verify that the power source is compatible with DANGER the equipment 7 Never open blower access doors while fan is Always disconnect power before working on or running near a unit Lock and tag the disconnect switch or breaker to prevent accidental power up CAUTION When servicing the unit motor may be hot enough to cause pain or injury Allow motor to cool before servicing Il Model VFCD VFCB Vertical Fan Coil A Receiving Upon receiving the product check to make sure all items are accounted for 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 reported to the Traffic Department If damaged upon arrival file claim with carrier Any physical damage to the unit after acceptance is not the responsibility of
24. tructural and or component failure Many conditions can be discovered by careful observation If the problem is wheel unbalance in place balancing can be done providing there is access to the fan wheel Generally fan vibration and noise is transmitted to other parts of the building by the ductwork If noise is an issue we recommend using heavy canvas connections on the inlet of the fan Refer to the Troubleshooting section of this manual if a problem develops EJ Model Vertical Fan Coil ON of AIRFLOW 4 Air Volume Check and Measurement Along with the building balance the unit s air volume cfm should be measured and compared with its rated air volume This unit is flexible for varying air volume but the actual air volume should be known for making final adjustments The most accurate way to measure the air volume is by using the pitot traverse method in the ductwork away from the blower Other methods can be used but should be proven and accurate To adjust the air volume change the fan rom or the system losses See Troubleshooting section in this guide 5 Measure Motor Voltage Amperage and Fan RPM All access doors must be installed Measure and record the input voltage and motor amperage s To measure the fan RPM the blower door will need to be removed Minimize measurement time because the motor may over amp with the door removed Compare measured amps to the motor nameplate full load
25. ure smooth and safe operation Inspect fan impeller and housing for fatigue corrosion or wear Routinely check all fasteners set screws and locking collars on the fan bearing drive motor base and accessories for tightness Model VFCD VFCB Vertical Fan Coil EE Coil Maintenance Coils must be clean to obtain maximum performance Check once a year under normal operating conditions and if dirty brush or vacuum clean Soiled fins reduce the capacity of the coil demand more energy from the fan and create an environment for odor and bacteria to grow and spread through the conditioned zone High pressure water 400 psi or less may be used to clean coils with fin thickness over 0 006 inches thick Test the spray pressure over a small corner of the coil to determine if the fins will withstand the spray pressure For coils with fragile fins or high fin density foaming chemical sprays and washes are 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 including fins while cleaning CAUTION Fin edges are sharp Winterizing Coils Coil freeze up can be caused by such things as air stratification and failure of outdoor air dampers and or preheat coils Routine draining of water cooling coils for winter shutdown cannot be depended upon as insurance against freeze up Severe coil damage may result It is recommended that a
26. vice 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 IAH Series MSCF FC MSCF BI e AMCA Publication 410 96 Safety Practices for Users and LFC C VFC FC VFCD FC provides additional information Installers of Industrial and Commercial Fans provides describing the equipment fan performance available additional safety information This publication can be accessories and specification data obtained from AMCA International Inc at www amca org GREENHECK Building Value in Air Phone 715 359 6171 Fax 715 355 2399 E mail gfcinfo greenheck com Website www greenheck com 16 464696 VFCD VFCB Vertical Fan Coil Rev 1 December 2008 Copyright 2008 Greenheck Fan Corporation
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