Schaefer 20CFO-SWDS User manual

Washdown Circulation
Fan Operators Manual
IMPORTANT: READ AND SAVE THESE INSTRUCTIONS
Read all instructions carefully before attempting to assemble, install, operate or service the product described.
Failure to comply with instructions could result in personal injury and/or property damage.
Using this product for any other purpose than it was intended, or not within the operating specifications in this
manual will void the warranty and may cause damage to the fan or serious injury to personnel.
!
1
WARNING - TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK:
• The power source must conform to the electrical requirements of the fan.
• The motor must be securely and adequately grounded.
• Do not use this fan with any speed control device.
INSTRUCTIONS FOR WIRING
Fans not factory wired (customer supplied power cord or hard-wired installations):
• Wiringshouldonlybedonebyatrainedelectriciantopreventinjuryordeath.
• Congureinternalwirestomatchsupplyvoltageandwireaccordingtomotornameplate.
Test to verify correct rotation.
• Manyoftheelectricmotorsinourfansarereversible.Makesurethefanisrotatingintheproperdirection.
Follow instructions on the motor label to change rotation if necessary.
• Properbladerotation:blademustspinclockwisewhenviewingthefanasshown(viewingthefanwith
 thebladeinfrontandthemotorinback)
• Schaeferrecommendsinstallingalockabledisconnectswitchneareachfan.
• Routewiretomotorwithdriploopandsecure.Driploopwilldrainaccumulatedmoistureawayfromthemotor.
• Onlypermitpowertounitwhenmotorcoverplateandallguardsareproperlyinstalledtopreventinjury.
CAUTION:
ALL ELECTRICAL WORK SHOULD BE COMPLETED BY QUALIFIED
ELECTRICIAN AND MEET ALL NATIONAL, STATE AND LOCAL CODES.
!
Blade Rotation

KEEP THIS MANUAL IN A CLEAN, DRY PLACE FOR FUTURE REFERENCE.
All information, illustrations and specifications in this manual are based on the latest product information available at the time of
printing.Productspecicationssubjecttochange.Wereservetherighttomakechangesatanytimewithoutnotice.
If you need replacement parts, please contact your dealer. Take special care when ordering replacement blades and
motors to ensure you get the proper configuration for your fan. If you do not have that information, please call
Schaefer Ventilation Equipment at 800-779-3267 for assistance.
GENERAL SAFETY INFORMATION
- This fan is intended for general use only. Do not use near hazardous or explosive materials or vapors.
 -Beforeoperatingthisfan,checkforworn,damaged,ormissingpartsandreplaceorrepairasneeded.
 -Toavoidriskofre,electricshockorpersonalinjury,disconnectfrompowersourcebeforeservicing.
- Never insert fingers or any other objects through the guards when fan is in operation.
- Never operate fan without guards in place.
- Fan must be located in an area that allows for adequate air flow around the fan.
 -Starvingthefanofairmaycausethemotortooverheatandresultindamagetothemotor.
 -Carefullyreadallsafetymessagesinthismanualandonyourequipmentsafetylabels.
 -Warninglabelsmustbekeptingoodconditionandbereplacedifnecessary.
- Follow recommended precautions and safe operating practices.
UNPACKING YOUR FAN
• Visuallyinspecttheunitforanydamagethatmayhaveoccurredduringshipping.
• Contactyourshipperimmediatelyifanydamageisfound.
INSTALLING YOUR FAN
Schaeferoffersavarietyofwallmountsandceilingmountsforpermanentinstallations.
Wallandceilingmountsmustbeinstalledonasupportstructurestrongenoughfor
the added weight of the mount and fan assembly. The customer is responsible for
determining that their structure is adequate to support these loads.
MOUNTING HARDWARE
The hardware to attach the fan mount to the support structure is not supplied. Hardware
must be adequately sized and be the proper type for your installation to safely support
the fan. Always follow the fastener manufacturers installation instructions.
ATTACHING THE FAN TO THE MOUNT
Use the supplied hardware that came with your fan to attach it to the mount.
The 3/8” hardware installs through the center hole of the motor yoke
bracket. The 1/4” hardware fastens through the slot feature. Adjust the fan
to the desired angle and securely tighten all mounting hardware.
Fan mount designs may vary. Fan must always be attached to the mount
through center hole of the motor yoke bracket using 3/8” hardware.
2
CAUTION: Fasteners may loosen over time. It is important to check and
tighten fasteners frequently.
CAUTION: Inspect fan components and fasteners frequently for corrosion.
Replace any corroded fasteners or parts.
Fan Wall Mount
Installation and User Instructions
IMPORTANT: READ AND SAVE THESE INSTRUCTIONS
Read all instructions carefully before attempting to assemble, install, operate or service
the product described. Failure to comply with instructions could result in personal injury
and/or property damage.
Using this product for any other purpose than it was intended, or not within the operating
specifications in this manual will void the warranty and may cause the fan mount to fail,
resulting in damage to the fan or serious injury to personnel.
Attach the Fan:
THE HARDWARE TO ATTACH YOUR FAN TO THE FAN MOUNT BRACKET IS NOT SUPPLIED IN THIS KIT.
Note: Fasteners are supplied with all current Schaefer circulation fans.
Note: Stainless steel fasteners should be coated with a lubricant (WD-40) to prevent thread galling and
allow subsequent adjustment.
Install (1) 3/8” x 1-1/4” bolt, (2) washers and (1) Nylock nut through Swivel Tab hole
Install (1) 1/4” x 1” bolt, (2) washers and (1) Nylock nut through Swivel Tab slot
All information, illustrations and specifications provided here are based on the latest product information available at the time of printing.
Product specifications subject to change.
©2014 Schaefer Ventilation Equipment. All rights reserved. 4-2-2014
M-WMTA
Schaefer Limited Warranty Policy
Schaefer Ventilation Equipment, LLC (SVE) provides the following limited warranty from the date of invoice to the
initial purchaser of our products or to its customer with a dated proof of purchase:
Two-year coverage (unless otherwise indicated below) applies to all products, components and assemblies provided by SVE
that prove to be defective in material or workmanship. Any such defective product will be repaired or replaced at SVE’s
option, with the defective product or component returned-upon approval, to SVE, F.O.B Sauk Rapids, Minnesota. This war-
ranty does not cover: failure, damage or malfunction as a result of: Improper installation or installation not in accordance
with installation instructions. Operating conditions that vary from SVE’s operating instructions. Misuse, abuse, negligence,
alteration, or accident. Transporting the product. Improper operation or lack of appropriate or regular maintenance of the
product. Loss of time, inconvenience, loss of use of the product or other consequential or incidental damages. Parts that
need replacement due to normal wear and tear. Superficial or cosmetic rust or corrosion. Any product whose name plate
has been removed.
For full warranty statement may be printed or downloaded from www.schaeferfan.com
Large
Guard
Wires
Safety Cable: (
Safety Cable Kit sold separately.)
A SECONDARY SUPPORT CABLE SHOULD BE INSTALLED ANYTIME THE FAN IS
MOUNTED OVERHEAD FOR ADDITIONAL SAFETY.
Safety Cable must go around the Large Diameter Wires of the Front and Rear Guards.
The other end of Safety Cable must be securely fastened to a building joist, truss, or beam
near the fan. Take up all unnecessary slack in the cable.
Adjust the fan to desired angle
and securely tighten the hardware
Once fan is securely attached to the Swivel Tab, orient the
fan horizontally and tighten the Swivel Tab hardware to
prevent the fan from turning.
CAUTION: Fasteners will loosen over time. It is important to check and tighten fasteners frequently.
CAUTION: Inspect mounts and fasteners frequently for corrosion. Replace any corroded fasteners or
parts.
[email protected] • www.schaeferfan.com • 320.251.8696
Schaefer Wall Mount
3/8"
1/4"
DoNOTmountceilingbracketshorizontally.Theceilingbracketswerenotdesignedtobe
mountedthisway.Mountingthebracketandfanthiswaycarriesariskofdamagetofan
and/orproperty,andadangertopeopleand/oranimals.Mountingthebracketthisway
will void the warranty.
WARNING: INCORRECT MOUNTING CONFIGURATIONS
INCORRECT
Schaefer
Stainless
Steel
Ceiling
Mount
Large
Guard
Wires
Safety Cable: ( Safety Cable Kit sold separately.)
ASECONDARYSUPPORTCABLESHOULDBEINSTALLEDANYTIMETHEFANISMOUNTEDOVERHEADFOR
ADDITIONALSAFETY.
Safety Cable must go around the Large Diameter Wires of the Front and Rear Guards.
TheotherendofSafetyCablemustbesecurelyfastenedtoabuildingjoist,truss,orbeamnearthefan.
Takeupallunnecessaryslackinthecable.

3
MOTOR DRAIN PLUGS
CAUTION: The fan must be mounted with a condensation drain fitting located at the lowest point of the motor. Damage
resulting from failure to follow these instructions will void the warranty.
Naturally occurring condensation from thermal activity will accumulate within the motor and must be allowed to drain.
YourSchaeferwashdowndutyfanisassembledwiththedraintting(s)installedinthemotoroppositeoftheyokemountbracket.
Recommendedfaninstallationhasthemotororientedwiththeyokebracketup.Youmustrelocatethedraintting(s)tothelowest
point of the motor if your installation is different than described here.
Condensation drain fittings are installed where indicated below. Quantity, type, and location vary based on motor design.
CLEANING AND MAINTENANCE
Disconnect power before cleaning or maintaining your fan in order to prevent serious injury or death.
!
• Somemaintenanceproceduresmayrequireremovaloffanguarding.
• Afterservicing,guardsandothersafetydevicesmustbereinstalledpertheiroriginalcondition.
• Excessivedustanddebrismaycauseoverheatingandreducedfanperformance.
• Sealedmotorbearingsarepre-lubricatedanddonotrequireservicing.
- Before washing fan assembly be sure:
 •Electricalconnectionsarenotexposed.
 •Motorcoversandgasketsareproperlyinstalledandsecurelyfastened.
CAUTION: Do NOT focus high pressure water stream directly at the motor condensation drain fittings. Incidental spraying
over/across the fittings is permissible.
-After washing fan assembly:
 •Inspectfanforloosefastenersordamageofanytype.
 •Operatefanfor10-15minutestodryoutanycondensationorwaterthatmayhaveenteredthemotor.
CAUTION: Harsh cleaning solutions may have negative effects on the durability and finish of the fan components.
Ensure sufficient rinsing with fresh water after cleaning process.
- Always use caution when using harsh chemicals. Handle and dispose of chemicals properly.
The following chemicals should not be used on polypropylene blades:
•Esters  •Benzene •Chloroform  •LiquidChlorine  •CarbonTetrachloride
•Xylene •Gasoline •DiethylEther  •Trichloroethylene •SulphuricAcid,fuming
•Toluene •NitricAcid •Chlorobenzene  •1:2Dichloroethylene •Chloro-SulphonicAcid
•MixturesofHNO3-HCL  •MixturesofHNO3-H2SO4
CORROSIVE ENVIRONMENTS
The fan should be washed and dried frequently to reduce the effect of corrosive environments.
DAMAGE RESULTING FROM FAILURE TO FOLLOW THESE INSTRUCTIONS WILL VOID THE WARRANTY.

©2014SchaeferVentilationEquipment.Allrightsreserved.9-5-2014
M-CIRCFAN-WD
[email protected]•www.schaeferfan.com•320.251.8696
4
SYMPTOM POSSIBLE CAUSES CORRECTIVE ACTION
Fan does not operate

1. Fan not plugged in
2.Blownfuseortrippedcircuitbreaker
3. Defective on/off switch
4. Defective motor
5.Fanbladecontactinghousing
1.Checkpowercordconnection
2.Replacefuseorresetcircuitbreaker
3. Repair or replace switch
4. Repair or replace motor
5.Realignfanbladeinfanhousing
Insufficient airflow 1. Guards excessively dirty
2. Blade and motor excessively dirty
1.Cleaninletandoutletguards
2.Cleanbladeandmotor
Excessive noise
1. Fan blade contacting housing
2. Defective motor bearings
3. Loose guards
1. Realign fan blade in fan housing
2. Repair or replace motor
3. Tighten guard fasteners
Excessive vibration
1. Damaged fan blade
2.Motorshaftbent
3.Motorloose
1. Replace fan blade
2. Repair or replace motor
3. Realign if necessary and tighten fasteners
TROUBLESHOOTING
Schaefer Limited Warranty Policy
Schaefer Ventilation Equipment, LLC (SVE) provides the following limited warranty from the date of invoice to the initial purchaser of our
products or to its customer with a dated proof of purchase:
Models:EWD1-year,SWD2-year,VWD3-yearcoverage(unlessotherwise indicated below) appliesto all products,components and assemblies
providedbySVEthatprovetobedefectiveinmaterialorworkmanship.AnysuchdefectiveproductwillberepairedorreplacedatSVE’soption,with
thedefectiveproductorcomponentreturned-uponapproval,toSVE,F.O.BSaukRapids,Minnesota.Thiswarrantydoesnotcover:failure,damage
ormalfunctionasaresultof:Improperinstallationorinstallationnotinaccordancewithinstallationinstructions.Operatingconditionsthatvaryfrom
SVE’soperatinginstructions.Misuse,abuse,negligence,alteration,oraccident.Transportingtheproduct.Improperoperationorlackofappropriate
orregularmaintenanceoftheproduct.Lossoftime,inconvenience,lossofuseoftheproductorotherconsequentialorincidentaldamages.Partsthat
needreplacementduetonormalwearandtear.Supercialorcosmeticrustorcorrosion.Anyproductwhosenameplatehasbeenremoved.
For full warranty statement may be printed or downloaded from www.schaeferfan.com
WARRANTY
HIGH-PRESSURE CLEANING OF WASHDOWN DUTY FANS
SchaeferVentilationstronglyrecommendsthatourwashdowndutyratedfansare not to be cleaned by high pressure washing while in
operation.Pressurewashingthefanwhileit’soperatingcarriestheriskofdamagingthefanandcausinginjurytopersonnelbycausing
the fan blade to contact the motor or guard surrounding the blade. Damage caused by blade contact with the motor or guard while
pressure washing with the fan running is not covered by Schaefer’s warranty.
After pressure washing the fan, and before reconnecting power:
- Makecertainnodamagehasoccurredtothefanblade,guards,ormotor.
- Checkfordeformingofthefanbladewingsorspider,brokenwiresorweldsontheguards,ordamagetotheelectricalconnectionbox
or power leads on the motor.
Ifpressurewashingthefanwhileinoperationisnecessary,SchaeferVentilationrecommendsthepressurenotexceed2000psi,andthe
pressure washer nozzle be positioned no closer than 3 feet from the fan blade. Damage caused by blade contact with the motor or
guard while pressure washing with the fan running is not covered by Schaefer’s warranty.
CAUTION: Do NOT focus the high pressure water stream directly at the motor condensation drain fittings. Incidental spraying
over/across the fittings is permissible.