Twin City Modular Plenum Fans - MPLFN / MPLFS / MPLQN / MPLQS - IM-495 - Manual

Contents
Introduction..........................................................................1.
Shipping.and.Receiving......................................................1.
Handling...............................................................................1.
Short.Term.Storage............................................................1
Long.Term.Storage............................................................1.
Foundations.and.Supporting.Structures...........................2.
Fan.Installation....................................................................3.
Assembly.of.Fans...............................................................3.
Fan.Operation.–.Safety......................................................3.
Operation.Checklist.............................................................4
Maintenance.of.Fans..........................................................4.
. . General.Motor.Maintenance..........................................4.
. . Wheel.and.Shaft.Maintenance......................................5.
. . Structural.Maintenance..................................................5.
Troubleshooting.Guidelines................................................5
Troubleshooting.Performance.Problems
. . Air.Capacity.Problems...................................................5
. . Noise.Problems..............................................................5
. . Vibration.Problems.........................................................5.
. . Motor.Problems..............................................................5.
Limitation.of.Warranties.and.Claims................................6
Introduction
The.purpose.of.this.manual.is.to.provide.instructions.that.
complement.good.general.practices.when.installing.or.oper-
ating.fans.manufactured.by.Twin.City.Fan.&.Blower..It.is.the.
responsibility.of.the.purchaser.to.provide.qualified.personnel.
experienced.in.the.installation,.operation,.and.maintenance.
of.air.moving.equipment.
Instructions.given.in.the.body.of.this.manual.are.general.in.
nature.and.apply.to.a.variety.of.models.manufactured.by.
Twin.City.Fan.&.Blower..Most.units.can.be.installed.and.
maintained. with. the. instructions. given.. Additional. product.
and.engineering.information.is.available.at.www.tcf.com.
Special.applications.may.require.additional.information..These.
instructions.are.supplied.in.the.form.of.attached.appendices..
Use.the.instructions.in.the.appendix.if.the.directions.in.this.
manual.differ.from.instructions.in.the.appendix.
As. always,. follow. good. safety. practices. when. installing,.
maintaining. and. operating. your. air. moving. equipment.. A.
variety. of. safety. devices. are. available.. It. is. the. user’s.
responsibility. to. determine. adequate. safety. measures. and.
to.obtain.the.required.safety.equipment.
Shipping and Receiving
All. Twin. City. Fan. &. Blower. products. are. carefully. con-
structed.and.inspected.before.shipment.to.insure.the.high-
est.standards.of.quality.and.performance.
Compare.all.components.with.the.bill.of.lading.or.packing.
list.to.verify.that.the.proper.unit.was.received.
Check.each.unit.for.any.damage.that.may.have.occurred.in.
transit..Any.damage.should.be.reported.immediately.to.the.
carrier.and.the.necessary.damage.report.filed.
Handling
Handling. of. all. air. moving. equipment. should. be. con-
ducted.by.trained.personnel.and.be.consistent.with.safe.
handling. practices.. Verify. the. lift. capacity. and. operat-
ing. condition. of. handling. equipment.. Maintain. handling.
equipment.to.avoid.serious.personal.injury.
Units. shipped. completely. assembled. may. be. lifted. with.
slings.and.spreader.bars..Use.well-padded.chains,.cables.
or.nylon.straps..On.most.units,.lifting.lugs.are.provided.
for.attaching.chains.(see.Figure.1)..Lift.the.fan.in.a.fash-
ion.that.protects.the.fan.and.fan.coating.from.damage..
Never.lift.a.fan.by.the.inlet.or.discharge.flange,.shafting.
or.drives,.wheel.or.impeller,.motor.or.motor.base,.or.in.
any.other.manner.that.may.bend.or.distort.parts.
Partial.or.disassembled.units.require.special.handling..All.
parts.should.be.handled.in.a.fashion.which.protects.the.
coatings. and. parts. from. damage.. Components. should.
be.handled.such.that.forces.are.not.concentrated.and.
bending.or.distortion.cannot.occur..
Housing.should.be.lifted.using.straps.and.spreaders..Do.
not.distort.housing.or.side.plates.when.lifting.
Short Term Storage
If.fan.installation.is.to.be.delayed,.store.the.unit.in.a.
protected.area..Protect.the.fan.and.motor.bearings.from.
moisture.and.vibration.(or.shock.loading).
Long Term Storage
Prior to Storage.–.Motor.bearings.are.to.be.greased.at.
the.time.of.going.into.extended.storage.per.the.motor.
manufacturer’s.specifications..
Figure 1. Lifting Lug Locations
DETAIL SCALE 1 : 2
©2014.Twin.City.Fan.Companies,.Ltd.
IM-495
May 2014
MPLFN, MPLFS, MPLQN, MPLQS
Modular Plenum Fans
INSTALLATION, OPERATION & MAINTENANCE MANUAL
NOTE: When. lifting,. the.
straps/chains.should.be.at.a.
minimum.angle.of.45°