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.and.Sealing/Isolation.Strips...............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. operating. 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.
. 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.
constructed.and.inspected.before.shipment.to.insure.the.
highest.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.
conducted.by.trained.personnel.and.be.consistent.with.
safe. handling. practices.. Verify. the. lift. capacity. and.
operating.condition.of.handling.equipment.
. 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.fashion.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.
©2010.–.2018.Twin.City.Fan.Companies,.Ltd.
ES-110
February 2012
MPQN/MPQS Modular
Plenum Fans
INSTALLATION, OPERATION & MAINTENANCE MANUAL
Maintain handling equipment to avoid serious
personal injury.
CAUTION
Throughout.this.manual,.there.are.a.number.of.HAZARD.WARNINGS.that.must.be.read.and.adhered.to.in.order.
to.prevent.possible.personal.injury.and/or.damage.to.equipment..Two.signal.words."WARNING".and."CAUTION".
are.used.to.indicate.the.severity.of.a.hazard.and.are.preceded.by.the.safety.alert.symbol.
.
WARNING
Used.when.serious.injury.or.death.MAY.result.from.misuse.or.failure.to.follow.specific.instructions.
.
CAUTION
Used.when.minor.or.moderate.injury.or.product./.equipment.damage.MAY.result.from.misuse.or.failure.to.follow.
specific.instructions.
NOTICE
Indicates.information.considered.important,.but.not.hazard-related.
It.is.the.responsibility.of.all.personnel.involved.in.installation,.operation.and.maintenance.to.fully.understand.the....
. Warning.and.
Caution.procedures.by.which.hazards.are.to.be.avoided.
