installation & operating Manual
The harman Clarity 929bv gas Stove
“Ce manuel est disponible en Français sur demande”
R5
SAFETY NOTICE
PlEASE rEAd ThIS ENTIrE mANuAl bEFOrE YOu INSTAll ANd uSE YOur NEw rOOm hEATEr. FAIlurE
TO FOllOw INSTruCTIONS mAY rESulT IN PrOPErTY dAmAgE, bOdIlY INjurY, Or EvEN dEATh.
IF ThIS hArmAN STOvE IS NOT PrOPErlY INSTAllEd, A hOuSE FIrE mAY rESulT. FOr YOur SAFETY, FOl-
lOw INSTAllATION dIrECTIONS.
CONTACT lOCAl buIldINg Or FIrE OFFICIAlS AbOuT rESTrICTIONS ANd INSTAllATION INSPECTION
rEQuIrEmENTS IN YOur ArEA.
CONTACT YOur lOCAl AuThOrITY (SuCh AS muNICIPAl buIldINg dEPArTmENT, FIrE dEPArTmENT, FIrE
PrEvENTION burEAu, ETC.) TO dETErmINE ThE NEEd FOr A PErmIT.
CETTE guIdE d'uTIlISATION EST dISPONIblE EN FrANCAIS. ChEz vOTrE CONCESSIONNAIrE dE hArmAN
STOvE COmPANY.
whAT TO dO IF YOu SmEll gAS
• dO NOT TrY TO lIghT ANY APPlIANCE.
• dO NOT TOuCh ANY ElECTrICAl SwITCh; dO NOT uSE ANY PhONE IN YOur buIldINg.
• ImmEdIATElY CAll YOur gAS SuPPlIEr FrOm A NEIghbOr'S PhONE. FOllOw ThE gAS SuPPlIEr'S
INSTruCTIONS.
• IF YOu CANNOT rEACh YOur gAS SuPPlIEr, CAll ThE FIrE dEPArTmENT.
save these instructions.
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Introduction.
Several.issues.must.be.addressed.when.selecting.a.
suitable.location.for.your.Clarity.Gas.Heater..Observ-
ing.required.clearances.to.combustible.materials,.the.
proximity.to.a.safe.chimney.or.venting.system,and.
the.accessibility.of.the.gas.and.electrical.supply.must.
all.be.considered..In.addition,.selecting.a.location.that.
takes advantage of the building's natural air flow is
also.desirable.to.maximize.the.heating.effectiveness.
of.the.heater..In.many.cases,.this.is.a.central.location.
within.the.building.
The.Harman.Clarity.929BV.Vented.Gas.Heater.is.a.
listed gas-fired vented room heater tested by Intertek
Testing/Warnock.Hersey.to.ANSI.standard.Z21.88-
2002,.CSA.2.33-M02,.and.CAN/CGA-2.17-M91..
The.installation.of.the.Clarity.Vented.Gas.Heater.
must.conform.with.local.codes,.or.in.the.absence.of.
local.codes,.with.the.current.edition.of.National.Fuel.
Gas.Code,.ANSI.Z223.1.—.latest.edition.and.CAN.
1-B1-149.1.and..2.Installation.Code..
The.Clarity.929BV.is.not.for.use.in.mobile.homes.
CaUTIon: This.appliance.must.be.vented.to.the.
outside..
Adequate.combustion.and.ventilation.air.must.be.
provided.
Installation.and.repair.of.the.Clarity.Vented.Gas.
Heater should be done by a qualified service person.
The.appliance.should.be.inspected.before.use.and.at.
least annually by a qualified service person. More fre-
quent.cleaning.may.be.required.due.to.excessive.lint.
from.carpeting,.bedding.material,.etc..It.is.imperative.
that.control.compartments,.burners,.and.circulating.air.
passageways.of.the.Clarity.be.kept.clean..
When.operating.your.Harman.Clarity.Gas.Heater,.
respect.basic.safety.standards..Read.these.instructions.
carefully.before.you.attempt.to.operate.the.heater..
Failure.to.do.so.may.result.in.damage.to.property.or.
personal.injury.and.may.void.the.product.warranty..
Consult.with.your.local.building.code.agency.and.
insurance.representative.before.you.begin.your.instal-
lation.to.ensure.compliance.with.local.codes,.including.
the.need.for.permits.and.follow-up.inspections..
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Due to high temperatures, the Clarity Vented Gas
Heater should be located out of traffic and away
from furniture and draperies.
Children and adults should be alerted to the haz-
ards of high surface temperatures and should stay
away to avoid burns or clothing ignition.
Young children should be carefully supervised
when they are in the same room as the Clarity
Vented Gas Heater.
Clearance from corner of unit to walls
Clothing or other flammable materials should
not be placed on or near the Clarity Vented Gas
Heater.
INSTALLATION
CleaRanCes
The.following.clearances.to.combustibles.must.be.
observed:
Unit.to.left.sidewall.
Unit.to.right.sidewall.
Unit.corner.to.walls.
Rear.of.unit.to.back.wall.
9".. (230.mm)
9".. (230.mm)
4".. (100.mm)
3".. (75.mm)
Clearance to alcove ceiling
(measured.from.rear.of.draft.hood.to.wall)
Unit.to.alcove.ceiling.
Maximum.alcove.depth.
18".. (460.mm)
14".. (355.mm)
Maximum alcove depth
Sidewall Clearance
In.addition.to.these.clearances,.adequate.accessibil-
ity.clearance.for.servicing.and.proper.operation.must.be.
maintained.
Do.not.in.any.way.obstruct.the.combustion.air.inlets.
that.are.located.under.the.heater.
If.this.appliance.is.installed.directly.on.carpeting,.tile.
or other combustible material other than wood flooring the
appliance.shall.be.installed.on.a.metal.or.wood.panel.ex-
tending.at.least.the.full.width.and.depth.of.the.appliance.
Clearance to Back wall
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VenTInG
WARNING: Operation of this heater when not con-
nected to a properly installed and maintained venting
system or tampering with the vent safey shutoff system
can result in carbon monoxide (Co) poisoning and pos-
sible death.
The.Clarity.gas.heater.is.equipped.with.its.own.internal.
draft.hood.so.no.additional.external.draft.hood.is.required..
The.heater.should.be.installed.so.that.the.draft.hood.is.in.
the.same.atmospheric.pressure.zone.as.the.air.inlets.to.the.
heater.
Use Only Approved Venting
The.Clarity.gas.heater.is.tested.and.listed.for.connection.
to.a.4".(100.mm).listed.Class.B.venting.system..
If.the.unit.is.installed.to.vent.through.an.approved.masonry.
chimney.or.a.factory-built.chimney.system,.an.approved.
Class.B.chimney.liner.must.be.used..
Observe.local.codes.when.venting.the.Clarity..If.no.local.
codes.exist,.follow.the.current.edition.of.ANSI.Z223.1.and.
CAN1-.B149.installation.codes..
Do not connect the venting to the flue of a chimney that
serves.a.separate.solid-fuel.burning.appliance.
The.venting.manufacturer's.installation.instructions.must.
be.followed.exactly.
TesT foR flUe sPIllaGe
A.spillage.test.should.always.be.made.at.the.completion.
of.the.installation.
IMPORTANT: Because of the high efficiency and low
flue gas temperatures of this appliance, it is important that
it be connected to a well-sealed and efficient venting system
which.is.capable.of.registering.a.negative.pressure.while.
the.stove.is.in.operation.
1..Start.all.exhaust.fans.in.the.home.and.then.close.all.
doors.and.windows.in.the.room.containing.the.heater.
2..Light.the.heater.and.allow.it.to.run.for.5.minutes.on.the.
high.output.setting..If.the.convection.air.blower.is.installed,.
it.should.be.turned.off.for.the.test.
The most efficient venting systems are those that have a
minimum.number.of.bends.and.minimal.horizontal.runs.
The.Clarity.gas.heater.is.equipped.with.a.thermally.acti-
vated.vent.safety.switch.that.will.shut.down.the.main.burner.
if.the.heater.is.not.properly.venting..The.safety.switch.will.
automatically.reset.after.the.heater.has.cooled.down.
The.switch.will.continue.to.cycle.off.and.on.until.the.
venting.problem.is.corrected..If.you.are.unable.to.correct.
the.venting.problem,.seek.expert.advice.from.your.Harman.
dealer.or.installer.
3..Hold.a.match.or.other.source.of.smoke.near.the.draft.
hood.outlet.on.the.upper.back.of.the.stove..
4..If.the.smoke.is.not.drawn.in,.turn.off.the.heater.and.
determine.the.cause.of.the.lack.of.draft..If.necessary,.seek.
expert.advice.
For.sites.with.swirling.or.turbulent.wind.conditions,.a.
wind.cap.may.solve.the.problem.
Do noT DIsConneCT oR bYPass THe VenT
safeTY sWITCH.
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asseMblY
The.Clarity.is.shipped.from.the.factory.with.the.log.set.
packed inside the firebox. To prepare the stove for installa-
tion,.the.log.set.must.be.unpacked,.the.appropriate.burner.
system.module.for.either.natural.gas.or.propane.installed,.
and.the.logs.installed.
1
2
Removing the Glass Front
NOTE:.The.glass.front.is.heavy..Be.prepared.for.its.
weight.when.lifting.it.to.avoid.damage.during.removal.
The.wing.doors.on.each.side.are.held.closed.by.magnets..
Push.on.each.door.to.open.it..Loosen.the.wing.nut.on.each.
of.the.two.levers..Grasp.each.lever.and.push.to.the.rear.to.
disengage.the.front..To.keep.the.levers.in.the.disengaged.
position,.tighten.the.wing.nuts..Lift.the.glass.front.slightly.
and.remove.it.from.the.stove..Set.the.glass.aside.in.a.safe.
place.where.it.will.not.be.damaged.
WaRnInG: Do not abuse the Clarity's glass by
striking, slamming, or similar trauma. Do not oper-
ate the Clarity Vented Gas Heater with the glass panel
removed,
4
3
The.log.set.components.are.shipped.from.the.factory.
individually.wrapped.and.packed.inside.the.stove..Take.them.
out.of.the.stove,.then.carefully.remove.the.wrapping..Handle.
the.logs.gently.as.they.may.be.damaged.easily.
The.front.is.released.when.
levers.on.the.left.and.
right.sides.are.pushed.to.
the.rear
cracked or broken. Use only glass supplied by Harman
and approved for use with this heater. Do not use substi-
tute materials. Replacement of the panel should be done
by a licensed or qualified service person.
Remove and Unwrap the Log Set
As.shown.in.the.photo.above.right,.the.log.set.consists.
of.a.back.log.(1),.a.center.log.that.has.a.pilot-viewing.port.
in.the.left.end.(2),.ember.strip.(3),.and.a.branch.that.rests.on.
top.(4)..
In.addition,.there.are.two.side.brick.panels.and.a.back.
brick.panel.
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Install the Back Log and Back Brick Panel
These.two.components.are.installed.as.a.single.piece..
Rest.the.back.brick.panel.on.the.shelf.located.on.the.back.
side.of.the.back.log,.and.center.it..Holding.the.two.pieces.
as.a.single.unit,.tilt.the.top.forward.slightly.and.manuever.
it.over.the.top.of.the.rear.burner—taking.care.that.the.top.
corners.clear.the.front.opening..Place.it.snugly.against.the.
back.wall.and.center.it.
Install the Side Brick Panels
These.slide.into.place.along.each.side.and.are.held.by.
friction..The.notch.in.each.panel.faces.the.back..Install.one.
side,.and.then.the.other.
Install the Ember Strips
The ember strips rest against the front of the firebox and
should fit snugly. Guide them toward you and to the outside
until they fit snugly. Check the air slot in the inside of the
ember strips to confirm that they do not obstruct it.
Install the Center Log
The.center.log.goes.all.the.way.to.the.back.and.should.
be.centered..When.properly.positioned,.there.should.be.an.
even.gap.along.the.front.of.the.center.burner.in.the.cavity.
in.the.log..A.small.portion.of.the.log.support.frame.will.be.
revealed.
The.center.log.has.a.round.viewing.port.in.the.left.end.
through.which.the.pilot.can.be.observed.
Install the Branch
Orient.the.branch.with.the.forked.end.toward.the.left.rear.
of.the.stove.and.slip.it.over.the.two.locator.pins,.one.on.top.
of.the.back.log.and.the.other.on.the.top.of.the.center.log.
Secure the Glass Front
NOTE:.The.glass.front.is.heavy..Lift.it.carefully.to.pre-
vent.damage..Center.the.glass.on.the.opening.and.suspend.
it.in.place.by.placing.the..the.tab.hooks.over.the.top.edge.
of.the.opening..Loosen.the.wing.nuts.that.hold.the.spring-
loaded.levers.in.place..Press.the.glass.slightly.against.the.
stove to confirm that it seats properly, then press it firmly
against.the.front.while.pulling.the.levers.forward.to.engage.
them..Tighten.the.wing.nuts..
The.complete.log.set,.with.the.logs.installed.and.positioned.correctly.
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ConneCTInG THe HeaTeR
To a Gas sUPPlY
natural Gas:
Maximum. inlet. pressure. 7.0". w.c.. (1.74. kPa).
Minimum. inlet. pressure. 5.0". w.c.. (1.25. kPa).
Gas.manifold.pressure.3.5".w.c..(0.87.kPa)
Burn Only the Fuel for which the Heater is Equipped
The.Clarity.B-Vent.will.burn.either.natural.gas.or.pro-
pane,.but.requires.a.dedicated.burner.system.module.for.
either.fuel..The.label.on.the.burner.system.module.indicates.
the.fuel.for.which.it.is.equipped..A.second.label,.located.near.
the.rating.plate,.also.indicates.the.fuel.type.
lPG Gas:
Maximum. inlet. pressure. 13". w.c.. (3.24. kPa).
Minimum. inlet. pressure. 11". w.c.. (2.74. kPa).
Gas.manifold.pressure.10".w.c..(2.49.kPa)
DO.NOT.USE.THIS.HEATER.IF.ANY.PART.HAS.
BEEN.UNDER.WATER.OR.EXPOSED.TO.MOISTURE.
CORROSION.. IMMEDIATELY. CALL.A. QUALlFlED.
SERVICE.TECHNICIAN.TO.INSPECT.THE.HEATER.
AND.REPLACE.ANY.PART.OF.THE.CONTROL.SYS-
TEM.AND.ANY.GAS.CONTROL.WHICH.HAS.BEEN.
UNDER.WATER.
NATURAL GAS
PROPANE
RECOMMENDED.GAS.PIPE.DIAMETER
Pipe.Length.
(Feet).
Schedule.40.Pipe.
Inside.Diameter.
Tubing,.Type.L
Outside.Diameter
N.G..
L.P..
N.G..
L.P.
0-10.
.
1/2".
1.3.cm.
3/8".
1.0.cm.
1/2".
1.3.cm.
3/8"
1.0.cm
10-40.
.
1/2".
1.3.cm.
1/2".
1.3.cm.
5/8".
1.6.cm.
1/2"
1.3.cm
40-100.
.
1/2".
1.3.cm.
1/2".
1.3.cm.
3/4".
1.6.cm.
1/2"
1.3.cm
100-150.
.
3/4".
2.0.cm.
1/2".
1.3.cm.
7/8".
2.3.cm.
3/4"
2.0.cm
Making The Connection
The.gas.inlet.is.located.at.the.bottom.right.rear.of.the.stove..
The inlet fitting is a 1/2" female flare flexible pipe.
A.separate.gas.shut-off.valve.and.a.1/8".N.P.T..plugged.
tapping.should.be.installed.immediately.upstream.of.the.
connection.to.the.appliance.
NOTE:.NEVER.USE.PLASTIC.PIPE..CHECK.TO.CONFIRM.
WHETHER.YOUR.LOCAL.CODES.ALLOW.COPPER.TUBING.
OR.GALVANIZED.PIPE.
The.Clarity.B-Vent.Gas.Heater.must.be.disconnected.from.
the.gas.supply.piping.during.any.pressure.testing.of.that.
system.at.pressures.in.excess.of.1/2.psig.(3.5.kPa).
The.Clarity.gas.control.valve.must.be.in.the.OFF.position.
during.any.pressure.testing.of.the.gas.supply.system.at.pres-
sures.equal.to.or.less.than.1/2.psig.(3.5.kPa).
WARNING: To avoid pipe compounds from entering
into the gas train, apply compounds only to the male pipe
threads and only to the first two threads.
Whether or not you have installed a conversion kit, fill
out.the.installer.fuel.label,.on.the.stove,.or.the.one.that.was.
included with the conversion kit, and affix it to the stove
in.the.appropriate.location..
CAUTION:.TEST.ALL.JOINTS.FOR.LEAKS.BEFORE.
OPERATING.
Gas Pressure Requirements
Correct.gas.pressure.and.the.use.of.a.properly.sized.
gas supply line are essential for the safe and efficient per-
formance.of.this.appliance..Make.sure.that.the.plumber.or.
gas.supplier.checks.the.gas.supply.line.and.gas.pressure.at.
installation.
.NOTE:.Improper.gas.pressure.can.affect.heater.perfor-
mance, flame color, or cause pilot outage.
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ConneCTInG THe CoRDseT
The.Clarity.B-Vent.Gas.Heater.must.be.installed.in.ac-
cordance.with.local.codes.or,.in.the.absence.of.local.codes,.
with.the.most.recent.edition.of.the.National.Electrical.Code.
ANSI/NFPA.70,.or.the.current.Canadian.Electrical.Code.
C22.1.
NOTE:.The.convection.fan.requires.a.120.VAC.supply.
for.operation,.but.the.heater.can.be.operated.without.the.fan.
as.in.the.case.of.a.power.outage.
Terminal.strip.for.
thermostat.connec-
tion
Plug.the.3-prong.grounded.electrical.cord.plug.into.
the.wall.
Rear.view.of.Clarity
ConneCTInG THe
oPTIonal THeRMosTaT
If.connecting.the.optional.thermostat,.it.must.be.plugged.
into.the.terminal.strip.located.on.the.left.side.near.the.bot-
tom.of.the.stove.
When. installing. a. millivolt. control. sys-
tem,. use. only. a. special. low. resistance. thermostat..
Do.not.use.a.regular.heating.thermostat.
WaRnInG: THIs HeaTeR Is eqUIPPeD WITH
a THRee-PRonGeD GRoUnDInG PlUG THaT
sHoUlD be PlUGGeD DIReCTlY InTo a PRoP-
eRlY GRoUnDeD ReCePTaCle. Do noT CUT
oR ReMoVe THe GRoUnDInG PRonG fRoM
THe PlUG.
Be.sure.that.all.electrical.connections.are.clean,.free.
from.corrosion,.and.tight..Inspect.connections.periodically.
to confirm that no corrosion has built up over time.
When.properly.installed.and.maintained,.a.millivolt.
control. system. should. give. many. years. of. trouble-free.
service.
It.is.important.to.use.wire.of.a.gauge.proper.for.the.
length.of.the.wire:
ReCoMMenDeD WIRe GaUGes
.
Maximum .
Length
100'.
Wire
Gauge.
14.
16.
18
.
.
.
.
.
60'.
40'.
25'.
15'.
20
22
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aIR sHUTTeR aDJUsTMenT
MonIToRInG THe Gas flaMe
The final step of the installation is to check the flame
pattern,.which.should.resemble.the.pattern.illustrated.in.the.
right column: The flames should be relatively well-defined
and.stable..They.should.be.bright.yellow.with.a.blue.base.
where.attached.to.the.burner.ports,.and.should.not.look.
orange.or.sooty...
Start.the.heater.according.to.the.directions.on.page.11.and.
allow.the.heater.to.burn.for.approximately.15.minutes..The.
flames will increase in length and become more yellow in
color.as.the.Clarity.heats.up.
Periodically, the flames of the Clarity B-Vent Gas Heater
should be checked while it is operation. The flames should
be relatively well-defined and stable. They should be bright
yellow.with.a.blue.base.where.attached.to.the.burner.ports..
The flames should not look orange or sooty. Portions of the
logs will glow red when the flames are properly adjusted.
If you find the flames to be other than that described here,
do not operate the heater. Consult a qualified service person
or.your.Harman.dealer.for.advice...
If the flames do not resemble the description above and
the illustration in the right column, the air shutters may be
adjusted.
Three.separate.screws—one.for.each.burner—are.used.to.
adjust the flames for a particular installation. Two of them
are.accessible.through.the.side.access.port.on.the.right.side.
of.the.stove..The.third.is.accessible.from.the.front.when.the.
control.door.is.open..The.screws.may.become.hot.to.the.
touch.after.prolonged.operation..Use.a.3/16".Allen.wrench.
to avoid contact if hot. For best results when fine-tuning the
flame picture, initially leave the middle screw unchanged
from.its.factory.setting..Turn.the.other.two.screws.as.needed.
to increase or decrease the brightness and length of the flame:
turning counterclockwise will increase the flame; turning
clockwise will decrease the flame.
The Clarity flame pattern will resemble this when the unit is
burning properly.
1..To.adjust.the.rear.burner,.open.the.right.wing.door,.
reach.through.the.side.access.port,.and.turn.the.rear.screw.
to adjust flame (see directions above).
2. To adjust the front burner, first open the control door,
then turn the front screw to adjust flame (see directions
above)..
The properly-burning pilot
will resemble the illustration
to the right.
Repeat procedure as needed until desired flame effect is
achieved.
Rear.burner.
Air adjustment screws
Center.burner.
Front.burner.
10
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Operation
HoW To lIGHT THe fIRe
1...STOP!..Read.the.safety.information.on.the.left.side.
of.the.panel.below.
2...If.using.the.optional.thermostat,.set.thermostat.to.the.
lowest.setting.
3...Turn.off.electric.power.to.the.appliance.
4...Turn.the.ON-OFF/THERMOSTAT.switch.to.the.OFF.
position.
..•If.the.knob.does.not.pop.up.when.released,.stop.and.
immediately.call.your.service.technician.or.gas.supplier.
..•If.the.pilot.will.not.stay.lit.after.several.tries,.turn.the.
gas.control.knob.to."OFF".and.call.your.service.technician.
or.gas.supplier.
11.. .Turn. the. gas. control. knob. counterclockwise.to.
"ON."
5.. . Push. in. the. gas. con-
trol. knob. slightly. and. turn.
it. clockwise. to. "OFF.".
12...Place.the.ON-OFF/THERMOSTAT.switch.in.the.ON.
position.or.in.the.THERMOSTAT.position.if.the.optional.
thermostat.is.used.
NOTE:..The.knob.cannot.be.
turned.from."PILOT".to."OFF".
unless.it.is.pushed.in.slightly...Do.
13...Turn.on.the.electric.power.to.the.heater.
14...Set.the.optional.thermostat.to.the.desired.room.tem-
perature.
not.force.it...
15..Set.the.High-Low.Regulator.to.desired.setting:.turn.
fully.counterclockwise.for.High.and.fully.clockwise.for.
Low.
NOTE:.An.odor.resulting.from.the.initial.heating.of.new.
materials in your heater is not unusual during the first fire,
and.in.most.cases.will.disappear.after.an.hour.or.two.
6. Wait five (5) minutes to clear out any gas. If you then
smell.gas,.STOP!..Follow."B".in.the.safety.information.on.
the.label.below..If.you.don't.smell.gas,.go.to.the.next.step.
7..Set.the.High-Low.Regulator.to.High.by.turning.it.fully.
counterclockwise.
8...Press.in.the.gas.control.knob.slightly.and.turn.coun-
terclockwise.to."PILOT."
9...Find.the.pilot.by.looking.through.the.round.opening.
on.the.left.end.of.the.center.log.
10...Push.the.control.knob.fully.down.and.hold..Immedi-
ately.push.the.red.piezo.ignitor.button.to.light.the.pilot..It.is.
normal.to.have.to.push.the.red.button.several.times.before.
the.pilot.ignites..Continue.to.hold.the.control.knob.in.for.
about.one.(1).minute.after.the.pilot.is.lit...Release.the.knob.
and.it.will.pop.back.up...Pilot.should.remain.lit..If.it.goes.
out,.repeat.steps.5.through.9.
HoW To TURn off THe fIRe
1...If.using.optional.thermostat,.set.thermostat.to.the.low-
est.position.
2...Turn.off.the.electric.power.to.the.appliance.
3...Turn.the.ON-OFF/THERMOSTAT.switch.to.the.OFF.
position.
4...Push.in.the.gas.control.knob.slightly.and.turn.it.clock-
wise.to.“OFF.”
NOTE:..The.knob.cannot.be.turned.from.“PILOT”.to.
“OFF”.unless.it.is.pushed.in.slightly..Do.not.force.it.
11
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CleanInG THe loG seT anD fIRebox
During.the.annual.inspection.and.maintenance.appoint-
ment,.the.service.person.should.clean.dust,.lint,.and.any.
light accumulation from the logs and the firebox area.
An.extra-soft.brush.should.be.used.on.the.logs.as.they.
are extremely fragile; a vacuum cleaner may be used on
the firebox. If at any time the logs cannot be removed or
installed.without.forcing,.the.cause.must.be.found..The.
logs.must.never.be.forced.
Maintenance
A qualified service person recommended by your
Harman.dealer.should.conduct.an.annual.inspection.and.
maintenance.of.your.Clarity,.its.venting,.and.the.installa-
tion to keep it running safely and efficiently. These pro-
cedures should be performed only by a qualified service
person..The.gas.supply.should.be.turned.off.whenever.a.
maintenance.procedure.is.performed.
If.the.front.panel,.side.doors,.or.front.access.door.are.
removed.for.servicing,.they.must.be.replaced.prior.to.
operating.the.Clarity.
Removing the Front
See.directions.on.page.6.
Removal and Re-installation of the Log Set for Cleaning
CAUTION:.The.ceramic.logs.are.durable.when.
handled.and.installed.properly..However,.they.are.deli-
cate.and.may.be.damaged.easily.if.not.handled.with.care..
Handling.damage.to.the.ceramic.logs.is.not.covered.by.
warranty.
DO.NOT.HANDLE.LOGS.WHILE.THEY.ARE.
HOT..ALLOW.PLENTY.OF.TIME.FOR.THE.STOVE.
TO.COOL.COMPLETELY.BEFORE.HANLDING.
ReMoVInG THe Glass fRonT
foR RePlaCeMenT
Refer.to.page.6.for.directions.on.removing.the.glass.
front..Use.only.authorized.Harman.replacement.glass.
components.available.from.your.dealer.
RePlaCInG THe GaskeT
The Clarity has 5/8" diameter fiberglass gasket in the
front.door..Should.it.ever.need.replacement,.use.only.the.
proper.replacement.gasket.that.is.available.from.your.
Harman.dealer..To.replace.the.gasket,.follow.this.proce-
dure.
1..Open.the.door
2..Remove.the.existing.gasket.and.clean.its.channel.
with.a.scraper.or.wire.brush.
Remove the Branch
Detach.the.branch.from.the.two.locator.pins.and.re-
move.it..Brush.it.gently.and.carefully.place.it.to.one.side.
Remove the Center Log
Lift.the.center.log.and.remove.it..Brush.it.gently.and.
carefully.place.it.to.one.side.with.the.branch.
Remove the Ember Strips
Carefully.remove.the.ember.strips,.clean.them,.and.
place.them.with.the.other.logs.
3..Lay.a.thin.bead.of.high.temperature.silicone.the.
entire.length.of.the.channel.
4. Lay the gasket in the channel with sufficient pressure
that.is.stays.in.place.
Remove the Side Brick Panels
Carefully remove first one side panel, and then the
other..Clean.and.place.to.side.
5..Trim.the.excess.from.the.end.of.the.gasket.so.that.it.
butts.snugly.against.the.other.end.without.leaving.a.gap..
Seal.the.end.joint.with.high.temperature.silicone.
6. Close the door and apply firm pressure to seat the
gasket.evenly.throughout.
Remove the Back Log and Back Brick Panel
Finally,.carefully.remove.these.two.components.as.a.sin-
gle.piece..Brush.them.gently.and.place.them.to.the.side.
Finish.the.procedure.by.vacuuming.the.interior.of.the.
firebox, then re-install the logs and secure the glass front
following.the.procedures.on.page.7.
CleanInG THe Glass
The.glass.may.be.cleaned.with.ordinary.household.
glass.cleaner.and.a.soft.cloth.or.paper.towel.
WARNING: Never clean the glass when it is hot. Do
not use abrasive cleaners on the glass.
InsPeCTInG THe VenTInG
An.inspection.of..the.venting.system.should.be.made.
during.the.annual.service.appointment..The.system.must.
have.no.blockage.and.must.be.in.good.repair..The.vent.
manufacturer's instructions may provide specific sugges-
tions.or.details.on.vent.inspection..Any.sections.that.are.
taken.apart.for.the.inspection.must.be.reassembled.and.
sealed.as.required.
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The Clarity B-Vent gas heater, when installed, must be electri-
cally grounded in accordance with local codes or, in the absence
of local codes, with the current edition of the National Electri-
cal Code, ansI/nfPa 70 in the United states or the current
Canadian electrical Code Csa 22.1 in Canada.
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Parts.List
The.following.replacement.parts.for.your.Harman.Clarity.B-Vent.are.available.from.your.Harman.dealer.
ID# Part no.
Part
39. 3-40-08230.
40. 3-40-08228.
41. 3-40-08220.
42. 3-31-08282.
Pilot,.LP
1.
2.
3.
4
1-89-08270.
BVG.weldment
Left.wing.door
Thermocouple
1-10-08262-1.
1-10-08262-2.
3-40-08286
3-40-08235.
3-40-08236.
3-40-08237.
3-40-08401.
3-40-08232.
Piezo.ignitor
Right.wing.door
1/2" gas inlet flex
Rear.log
90°.brass.elbow
43
44
3-31-08283
3-31-08284
1/4" tp 3/8" male compression fitting
3/8" tp 3/8" male compression fitting
5.
6.
7.
8.
9.
Front.log
45. 3-30-310056082. BHSCS.5mm.X.8mm.for.valve
Top.log
46. 3-20-326006.
47. 3-20-326005.
48. 3-20-08221.
49. 3-20-08219.
50. 2-00-08281.
51. 0-46-250.
18".valve.harness
Harness.w/VSC
Ember.strip
Left.brick.panel
Right.brick.panel
Rear.brick.panel
Front.burner.tube
Center.burner.tube
Rear.burner.tube
Ext..spring
On-Off.rocker.switch
Thermopile
10. 3-40-08233.
11. 3-40-08234.
12. 3-40-08224.
13. 3-40-08225.
14. 3-40-08226.
15. 3-31-965487.
16. 3-40-00141.
17. 3-31-08225.
18. 3-20-408412.
19. 2-00-4213.
20. 3-20-326004.
21. 2-00-4177.
22. 3-42-2312.
23. 3-44-1086405.
24. 3-43-4103.
25. 3-40-120.
3/8".tubing
1/4".tubing
52. 1-00-08513.
53. 1-00-08314.
54. 3-20-408411.
55. 2-00-42208.
56a. 2-00-42220.
56b. 2-00-42219.
57. 2-00-4169.
58. 1-10-08265-1.
59a. 1-10-08265-2.
60a. 2-00-4138-1.
60b. 2-00-4138-2.
61. 1-10-08287.
62. 1-10-08258.
63. 2-00-42217.
64. 2-00-4162.
65. 2-00-4210.
Valve.change-over.assembly,.NG
Valve.change-over.assembly,.LP
Snap.disc.safety.switch
Rear.cover
Formed.wire.gold.trim
Magnet
Snap.disc.safety.switch.bracket
Snap.disc.safety.switch.heat.shield
Base.trim
Snap.disc.fan.control
Snap.disc.fan.control.bracket
Power.cord
Latch.arm,.left
Lower.rear.access.cover
Glass.gasket
Latch.arm,.right
Latch.cam,.left
5/8".tight.knit.rope.for.door
Gold.plated.door.frame
13-3/4".X.19".glass
5-3/4".X.13-3/4".glass
Distribution.blower.w/ends
Pilot.tower.gasket
NG.valve
Latch.cam,.right
Front.door.assembly
Top
26. 3-40-121.
Draft.hood.heat.shield
Control.door
27. 1-10-08285.
28. 3-44-08278.
29. 3-40-820628.
30. 3-40-82057.
Control.heat.shield
Baffle
66
2-00-4172
LP.valve
.
.
31
32
33
34
35
36
3-40-57356
3-40-64347
3-40-64739
3-40-57271
3-40-57753
3-40-57753
#56 orifice, LP front/NG center
#47 orifice, NG front
#39 orifice, NG rear
#71 orifice, LP center
#53 orifice, LP rear
#53 orifice, LP rear
Piezo.cable
37. 3-40-08231.
38. 3-40-08229.
Pilot,.NG
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Clarity.B-Vent.-.Exploded.View
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Clarity.Burner.Module.-.Exploded.View
38
49
40
37
14
13
12
52
33
32
41
31
51
50
43
44
48
42
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Appendix.A
step 3: Using a small flat-blade screwdriver, remove
the.three.screws.that.hold.the.LP.knob.module.in.place..
Remove.the.module.and.replace.it.with.the.Natural.Gas.
module.from.the.kit..See.kit.instructions.
step 4: Affix the conversion label to the valve so that any
future.service.tech.etc....can.plainly.see.that.the.valve.was.
converted.
step 5: Mark.the.appropriate.fuel.box.on.the.unit.label.
using.a.permanent.marker.
step 6: Affix the Installer Fuel Label in place of the exist-
ing.one.
ConVeRTInG THe ClaRITY b-VenT fRoM
one Gas To anoTHeR In THe fIelD
noTe: THe ConVeRsIon sHall be CaR-
RIeD oUT In aCCoRDanCe WITH THe Re-
qUIReMenTs of THe PRoVInCIal oR loCal
aUTHoRITIes HaVInG JURIsDICTIon anD In
aCCoRDanCe WITH ReqUIReMenTs of THe
CURRenTeDITIon ofTHe naTIonalfUelGas
CoDe, ansI Z223.1 or the Can/CGa-b149 InsTal-
laTIon CoDes.
.Important: Perform a leak test upon completion
of the fuel conversion.
ConVeRsIon kIT CoMPonenTs
*1 Pilot Orifice
*2 Burner Orifices
*.Regulator.Assembly
*.Conversion.Instructions
*.Installer.Fuel.Label
*.Conversion.Label-Must be
attached to valve upon com-
pletion.
NATURAL GAS
PROPANE
Steps For Completing The Fuel Conversion.
Prior.to.installing.the.fuel.conversion,.remove.the.Glass.
door.and.the.log.set,.to.gain.access.to.the.burner.module..
Remove.the.burner.tubes.by.sliding.to.the.left.while.lift-
ing.upward..Remove.the.burner.cover.plate.and.the.tube.
box.top.
step 1: Remove.pilot.hood.with.a.7/16”.wrench..Inside,.
you will find and discard the Propane orifice. Install the
new Natural Gas orifice from the kit. Tighten the pilot
hood.and.assure.proper.alignment.of.the.directional.open-
ings.
step 2:.Using.a.1/2.in..deep-well.socket,.remove.the.
three main burner orifices. Install the new orifices accord-
ingly; Front = #47, Middle = #56, Rear = #39. Notice
the.#56.that.you.removed.from.the.front.will.be.used.in.
the.middle.for.Natural.Gas..Apply.a.thread.sealer.to.the.
orifices prior to installing.
CaUTIon: label all WIRes PRIoR To DIsConneC-
TIon WHen seRVICInG ConTRols. WIRInG eRRoRs
Can CaUse IMPRoPeR anD DanGeRoUs oPeRaTIon.
VeRIfY PRoPeR oPeRaTIon afTeR seRVICInG.
see WIRInG DIaGRaM on PaGe 13.
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Appendix.B
De-RaTInG foR HIGH alTITUDe
For.U.S..installations,.the.Clarity.B-Vent.is.approved.
for.elevations.up.to.2000.feet.using.the.factory-installed.
burner.injectors..At.elevations.above.2000.feet,.U.S..codes.
require.a.decrease.in.the.input.rating.by.changing.the.burner.
injectors.to.a.smaller.size..The.chart.below.lists.by.part.
numbers.the.appropriate.injectors.for.both.LP.and.natural.
gas.at.various.altitudes.
For.Canadian.installations,.the.Clarity.B-Vent.is.ap-
proved.for.elevations.up.to.610.meters.(2000.feet)..For.
installations.from.610-1370.meters.(2000-4500.ft.).the.
orifice sizes (DMS) for natural and propane gas are as
shown.in.the.chart.below.
.For.high.altitude.installations.consult.the.local.gas.dis-
tributor.or.the.authority.having.jurisdiction.for.proper.rating.
methods.
NOTE:.The.difference.in.altitude.derating.requirements.
for.the.U.S..and.Canada.is.simply.a.result.of.differences.in.
testing.standards.between.the.two.countries.
If.the.installer.must.convert.the.unit.to.adjust.for.varying.
altitudes,.an.information.sticker.like.the.one.below.must.be.
filled out and affixed to the appliance at the time of conver-
sion.
naTURal Gas
front
Harman
Center Harman
Injector Part no.
Rear
Injector Part no.
Harman
nominal btu
Input Rate
40,000.
38,400
36,900
35,400
34,000.
32,600
31,300
altitude
Injector Part no.
0-2000'.
47.
48.
49.
49.
50.
50.
51.
51.
3-40-64347.
56.
56.
56.
57.
57.
57.
58.
58.
3-40-57356.
39.
40.
41.
42.
42.
43.
43.
44.
3-40-64739.
2000-3000'.
3000-4000'.
4000-5000'.
5000-6000'.
6000-7000'.
7000-8000'.
8000-9000'.
MALE.
MALE.
MALE.
MALE.
MALE.
MALE.
MALE.
3-40-57356.
3-40-57356.
MALE.
MALE.
MALE.
MALE.
MALE.
MALE.
MALE.
MALE.
MALE.
MALE.
.
.
.
.
.
.
.
MALE.
MALE.
30,100
PRoPane
front
Injector Part no.
Harman
Center Harman
Injector Part no.
Rear
Injector Part no.
Harman
nominal btu
Input Rate
40,000.
36,900
36,900
35,400.
32,600.
32,600.
30,100.
altitude
0-2000'.
56.
56.
56.
57.
57.
57.
58.
58.
3-40-57356.
71.
71.
71.
71.
71.
71.
71.
71.
3-40-57271.
53.
54.
54.
54.
55.
55.
56.
56.
3-40-57753.
2000-3000'.
3000-4000'.
4000-5000'.
5000-6000'.
6000-7000'.
7000-8000'.
8000-9000'.
3-40-57356.
3-40-57356.
MALE.
MALE.
MALE.
3-40-57271.
3-40-57271.
3-40-57271.
3-40-57271.
3-40-57271.
3-40-57271.
3-40-57271.
MALE.
MALE.
MALE.
MALE.
MALE.
.
.
.
.
.
MALE.
MALE.
3-40-57356.
3-40-57356.
30,100
●When ordering injectors that have no Harman
Part number, specify Male or feMale and
the appropriate 2- digit number.
THe ConVeRsIon sHall be CaRRIeD oUT
bY a ManUfaCTUReR's aUTHoRIZeD ReP-
ResenTaTIVe In aCCoRDanCe WITH THe
ReqUIReMenTs of THe ManUfaCTUReR,
PRoVInCIal oR TeRRIToRIalaUTHoRITIes
HaVInG JURIsDICTIon anD In aCCoRDanCe
WITH THe ReqUIReMenTs ofTHe CURRenT
eDITIon of Can/CGa-b141.1 oR Can/CGa-
b141.2 InsTallaTIon CoDes.
This.appliance.has.been.converted.for.use.at.an.altitude.of.__________ft.
Orifice Sizes: Front ________ Center_________ Rear ________
Input.(Btu/hr)............._________________
Manifold.Pressure......__________________
Fuel.Type............_______________________
Converted.By...._________________________________
Date.of.Conversion.._______________________________
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Clarity.B.Vent..
Gas Heater Specifications
Tested.to.ANSI.Z21.88-2002,.CSA.2.33-M02,.CAN/CGA.2.17-M91.
.
naTURal Gas
PRoPane
40,000
28,000
56/71/53
10.0/2.49
5.9/1.47
11.0/2.74
30,800
Input.Rating.(Btu/hr).(0-1375.m).
40,000.
27,000.
47/56/39.
3.5/0.87.
1.7/0.42.
5.0/1.25.
30,500.
65.2%.
Min..Input.Rating.(Btu/hr)..(0-1375.m).
Injector.Sizes.(DMS).(front/center/rear..(0-1375.m).
Manifold.Pressure.(in.w.c./kPa)....
Minimum.Manifold.Pressure.(in.w.c./kPa)....
Minimum.Inlet.Pressure.(in.w.c./kPa)....
Maximum.Output.(Btu/hr)..(0-1375.m)...
AFUE (seasonal efficiency; minimum venting)
Steady State Efficiency (max. input, blower on High)
66.0%.
79.7%...
78.2%.
MInIMUM CleaRanCes fRoM CoMbUsTIble ConsTRUCTIon
Unit.to.left.sidewall.
Unit.to.right.sidewall.
Unit.corner.to.walls.
Rear.of.unit.to.back.wall..
(measured.from.rear.of.draft.hood.heat.shield)
Unit.to.alcove.ceiling.
9.in... (230.mm).
9.in... (230.mm)
4.in... (100.mm).
3.in... (75.mm)..
18.in... (460.mm).
14.in... (355.mm)
Maximum.alcove.depth.
Electrical.Rating:.120.Volts,.60.Hz.,.Less.than.1..Amp
.....Stove.Weight:..234.lbs.
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HaRMan GolD WaRRanTY
6 YeaR TRansfeRable lIMITeD
WaRRanTY (Residential)
1 YeaR lIMITeD WaRRanTY (Commercial)
Harman.Stove.Company.warrants.its.products.to.be.free.from.defects.in.material.or.workmanship,.in.normal.use.and.ser-
vice,.for.a.period.of.6.years.from.the.date.of.sales.invoice.and.for.mechanical.and.electrical.failures,.in.normal.use.and.service,.
for.a.period.of.3.years.from.the.date.of.sales.invoice.
If.defective.in.material.or.workmanship,.during.the.warranty.period,.Harman.Stove.Company.will,.at.its.option,.repair.or.
replace.the.product.as.described.below.
The.warranty.above.constitutes.the.entire.warranty.with.respect.to.Harman.Stove.Company.products...HARMAN.STOVE.
COMPANY..MAKES..NO..OTHER..WARRANTY,..EXPRESSED..OR..IMPLIED,..INCLUDING..“ANY”..WARRANTY.
OF.MERCHANTABILITY,..OR..WARRANTY..OF..FITNESS..FOR..A..PARTICULAR..PURPOSE...No.employee,.agent,.
dealer,.or.other.person.is.authorized.to.give.any.warranty.on.behalf.of.Harman.Stove.Company...This.warranty.does.not.apply.
if.the.product.has.been.altered.in.any.way.after.leaving.the.factory...Harman.Stove.Company.and.its.agents.assume.no.liability.
for.“resultant.damages.of.any.kind”.arising.from.the.use.of.its.products...In.addition,.the.manufacturer.and.its.warranty.admin-
istrator.shall.be.held.free.and.harmless.from.liability.from.damage.to.property.related.to.the.operation,.proper.or.improper,.of.
the.equipment.
THERE..ARE..NO..WARRANTIES..WHICH..EXTEND..BEYOND..THE..DESCRIPTION..ON..THE..FACE..HERE-
OF.
THESE..WARRANTIES..APPLY.only.if.the.device.is.installed.and.operated.as.recommended.in.the.user’s.manual.
THESE..WARRANTIES.WILL..NOT..APPLY.if.abuse,.accident,.improper.installation,.negligence,.or.use.beyond.rated.
capacity.causes.damage.
HOW..TO.MAKE.A.CLAIM.-.Any.claim.under.this.warranty.should.be.made.to.the.dealer.from.whom.this.appliance.
was.purchased...Then.contact.is.made.with.manufacturer,.giving.the.model.and.serial.numbers,.the.date.of.purchase,.your.
dealer’s.name.and.address,.plus.a.simple.explanation.of.the.nature.of.the.defect...Extra.costs.such.as.mileage.and.overtime.are.
not.covered...Nuisance.calls.are.not.covered.by.these.warranties.
THIS...WARRANTY...IS...LIMITED...TO...DEFECTIVE...PARTS.-.REPAIR...AND/OR...REPLACEMENT...AT...HAR-
MAN...STOVE..COMPANY’S...OPTION...AND...EXCLUDES...ANY..INCIDENTAL...AND...CONSEQUENTIAL...DAM-
AGES...CONNECTED..THEREWITH.
WARRANTY EXCLUSIONS: Failure due, but not limited to, fire, lightning, acts of God, power failures and/or surges,
rust, corrosion and venting problems are not covered. Damage and/or repairs including but not limited to; remote controls,
filters, fuses, knobs, glass, ceramic brick panels, ceramic fiber afterburners, door packing, tile, ceramic log sets, paint, batteries
or.battery.back-up.and.related.duct.work.are.not.covered..Also.excluded.from.this.warranty.are.consumable.or.normal.wear.
items including but not limited to; flame guides, grates, coal bars, afterburner hoods, fire brick, gaskets. Additional exclusions
for.corn.stoves.are.burnpot.housing.weldment,.burnpot.grate.weldment.(pellet.or.corn),.burnpot.front.plate.(pellet.or.corn),.
burnpot.front.plate.lock,.corn.auger.extension,.ceramic.insert,.and.ceramic.insert.plate..Additional.or.unusual.utility.bills.incurred.
due.to.any.malfunction.or.defect.in.equipment.and.the.labor.cost.of.gaining.access.to.or.removal.of.a.unit.that.requires.special.
tools.or.equipment.are.not.covered...Maintenance.needed.to.keep.the.stove.in.“good.operating.condition”.is.not.covered...This.
includes,.but.is.not.limited.to,.cleaning,.adjustment.of.customer.controls.and.customer.education...Labor,.materials,.expenses.
and/or.equipment.needed.to.comply.with.law.and/or.regulations.set.forth.by.any.governmental.agencies.are.not.covered..
This Warranty provides specific legal rights and the consumer may have other rights that vary from state to state.
In.the.event.of.change.in.ownership,.the.remaining.portion.of.this.warranty.may.be.transferred.to.the.new.owner.by.send-
ing.the.new.owner.information.and.a.transfer.fee.of.$25.00.US.to.the.Harman.Stove.Company.
PLEASE..READ..THE..LITERATURE..BY..THE..MANUFACTURER..FOR..THE..VARIOUS..ACCESSORY..DEVICES..
THE.MANUFACTURER..WARRANTS..THESE..ACCESSORY..DEVICES,..NOT..HARMAN..STOVE..COMPANY..OR.
THEIR.WARRANTY..ADMINISTRATOR....FURTHERMORE,..THESE..ACCESSORY..DEVICES..MUST..BE..INSTALLED.
AND..USED.ACCORDING..TO..THE..RECOMMENDATIONS..OF..THE..MANUFACTURER.
REMEDIES.-.The.remedies.set.forth.herein.are.exclusive.and.the.liability.of.seller.with.respect.to.any.contract.or.sale.
or.anything.done.in.connection.therewith,.whether.in.Contract,.in.tort,.under.any.warranty,.or.otherwise,.shall.not,.except.as.
herein.expressly.provided,.exceed.the.price.of.the.equipment.or.part.of.which.such.liability.is.based.
CLARIFY.-.The.above.represents.the.complete.warranty,.which.is.given.in.connection.with.stoves,.manufactured.by.Harman.
Stove.Company...No.other.commitments,.verbal.or.otherwise,.shall.apply.except.by.a.written.addendum.to.this.warranty.
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