FMI DVC42H User manual

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Installation and service must be performed by a quali-



    -

-

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      -





-













      



DIRECT-VENT CHASSIS

OWNER’S INSTALLATION INSTRUCTIONS

MODELS (V)DVC36(B)(H) AND (V)DVC42(B)(H)

FOR USE WITH DVM SERIES BURNER MODULES



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118197-01C2



    







-



-

   











   -





    

   

   



    



1. Neverinstallthereplace

• inarecreationalvehicle

• inwindyordraftyareaswherecurtainsor

othercombustible(ammable)objectscan

makecontactwiththereplacefront

• inhightrafcareas

2. Turnapplianceoffandletcoolbeforeservic-

ing,installingorrepairing.Onlyaqualied

servicepersonshouldinstall,serviceorrepair

thisreplace.Havereplaceinspectedannu-

allybyaqualiedserviceperson.

SAFETy INFORMATION

TABLE OF CONTENTS

Safety Information ............................................... 2

Local Codes......................................................... 3

Product Identication ........................................... 3

Product Features ................................................. 3

Pre-Installation Preparation ................................. 4

Location of Termination Cap ................................ 6

Venting Installation Instructions ........................... 7

Replacement Parts ............................................ 16

Technical Service............................................... 17

Accessories ....................................................... 17

Illustrated Parts Breakdown and Parts List........ 18

Warranty Information ...........................Back Cover

   

manual carefully and completely





     

    

   

   



    



    

-







-















    







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118197-01C 3

SAFETy INFORMATION

Continued

3. Youmustkeepcontrolcompartments,burn-

ersandcirculatingairpassagesclean.More

frequentcleaningmaybeneededduetoex-

cessivelintanddustfromcarpeting,bedding

material,etc.Turnoffthegasvalveandpilot

lightbeforecleaningreplace.

4. Haveventing systeminspected annuallyby

a qualied service person. If needed, have

ventingsystemcleanedorrepaired.

5. Donotuseanysolidfuels(wood,coal,paper,

cardboard,etc.)inthisreplace.Useonlythe

gastypeindicatedonreplacenameplate.

6. Thisappliance,wheninstalled,mustbeelectri-

callygroundedinaccordancewithlocalcodes

or, in the absence of local codes, with the

National Electrical Code, ANSI/NFPA 70 or

the Canadian Electrical Code, CSA C22.1.

7. Donotusereplaceifanyparthasbeenex-

posedtoorunderwater.Immediatelycalla

qualiedservicepersontoarrangeforreplace-

mentoftheunit.

8. Donotoperatereplaceifanylogisbroken.

9. Do not operate fireplace with glass door

removed,crackedorbroken.

10. Provide adequate clearances around air

openings.

LOCAL CODES

Installandusereplacewithcare.Followalllocal

codes.Intheabsencetolocalcodes,usethecur-

rent National Fuel Gas Code ANSI Z223.1/NFPA

54*(USA)orthecurrentCSA-B149.1 Installation

Code(Canada).

*Availablefrom:

AmericanNationalStandardsInstitute,Inc.

1430Broadway

NewYork,NY10018

NationalFireProtectionAssociation,Inc.

BatterymarchPark

Quincy,MA02269

Figure 1 - Direct-Vent Fireplace

Glass Door

Assembly

Switch Bracket for Optional

Remote and Blower

Upper Louver

Panel

Lower Louver

Panel

Flue Collar

Nailing

Flange

PRODUCT FEATURES

Theseareafewfactsthatcanhelpyouunderstand

andenjoyyourdirect-ventreplace:

• Theventingsystemmayberoutedtotheout-

sideofyourhomeinseveralways.Itmayvent

throughtheroof(vertical)oritmayventtoan

outside/exterior wall (horizontal). The vent

pipeinstallationisveryimportanttoallowfor

properoperation.Youmustfollowtheventing

instructionsverycarefullyforeitherverticalor

horizontalapplications.

• Thisreplacemay beinstalledinanyroomof

yourhouseprovidedalllocalcodesand these

installationinstructionsarefollowed.

• Thisreplacerequiresawallswitch,hand-held

remoteorwallthermostat(millivolt)foropera-

tion(seeAccessories,page42).

• The use of a blower requires electricity if

installed.Ifyouplantoinstalltheblowerata

laterdate,outletatbottomofreplacemustbe

wiredduringframing.

• Yourdirect-ventgasreplacesystem(replace

andventing)isabalancedandsealedgasop-

erating unit. It requires approximately 10-20

minutes of operating time before the ame

patternstabilizes.

PRODUCT

IDENTIFICATION

www.desatech.com

118197-01C4

Figure 2 - Common Fireplace Locations

Flush with a wall

Through exterior wall

enclosed in a chase

Corner

installation

Figure 3 - Fireplace Bottom Dimensions

29" (36")

/4" (42")

41" (36")

48" (42")

• There must not be any obstruction such as

bushes, garden sheds, fences, decks or util-

itybuildingswithin24"fromthefrontofthe

terminationcap.

• Donotlocateterminationcapwhereexcessive

snoworice build up may occur.Besure to

clearventterminationareaaftersnowfallsto

preventaccidentalblockageofventingsystem.

Whenusingsnowblowers,donotdirectsnow

towardsventterminationarea.

PRE-INSTALLATION

PREPARATION





Determinethesafestandmostefcientlocation

foryourDESAdirect-ventreplace.Makesure

thatraftersandwallstudsarenotinthewayofthe

ventingsystem.Choosealocationwheretheheat

outputisnotaffectedbydrafts,airconditioning

ducts, windowsor doors. Figure2 shows some

commonlocations.Beawareofallrestrictionsand

precautionsbeforedecidingtheexactlocationfor

yourreplaceandterminationcap.

When deciding the location of your replace,

followtheserules:

• Donotconnectthisreplaceventingtoachim-

neyueservingaseparatesolid-fuelburning

replaceorappliance.

• Due to high temperatures, do not locate this

replaceinhightrafcareas,windyordrafty

areasornearfurnitureordraperies.

• Properclearancesmustbemaintained.

• Ifyourreplaceistobeinstalleddirectlyon

carpeting,vinyltileoranycombustiblemate-

rialotherthanwood,itmustbeinstalledona

metalorwoodpanelextendingthefullwidth

anddepthofthereplace.SeeFigure3.

• Your replaceisdesigned tobeused inzero

clearanceinstallations.Wallorframingmaterial

canbeplaceddirectlyagainstanyexteriorsur-

faceontheback,sidesortopofyourreplace,

except where standoff spacers are integrally

attached.Ifstandoffspacersareattachedtoyour

replace,thesespacerscanbeplaceddirectly

againstwallorframingmaterial.Seeframing

detailsonpage5.

• Ifyouplanoninstallingatelevisionorenter-

tainmentcenterrecessedaboveyourreplace,it

isrecommendedthatyoumaintainaminimum

18"abovetopoflouveropening.

• Whenlocatingterminationcap,itisimportant

toobservetheminimumclearancesshownin

Figure7,page8.

• If recessingintoa wall, you canavoid extra

framingbypositioningyourreplaceagainst

analreadyexistingframingmember.

• Do notrecess termination capinto a wall or

siding.

• Youmaypainttheterminationcapwith450ºF

heat-resistantpainttocoordinatewiththeex-

teriornish.



Minimumclearancestocombustiblesforthere-

placeareasfollows:

*Backandsides 0"

Perpendicularwalls 6"

Floor 0"

Ceilingtolouveropening 42"

Front 36"

TopofStandoffs 0"

Vent (Seeventinginstructionsfor

specicventingclearances.)

Combustible material with a maximum thick-

ness of5/8" may beush with thetop front of

replace.

* For back and sidesof replace, do notpack

with insulation or other materials. Zero inch

clearancetocombustiblematerialsareforfram-

ingpurposeonly.

/8" (36")

/4" (42")

www.desatech.com

118197-01C 5

PRE-INSTALLATION

PREPARATION

Continued

Nailing Tabs

Figure 4 - Framing Clearances for

Installation Against an Exterior Wall

" (36")

" (42")

" (36")

" (42")

21" Hor. Vent

" Vert. Vent

Figure 5 - Framing Clearances for Corner

Installation

41"

15"

/8"

Nailing

Tabs

Top of Louver

Opening

Wall

Ref. Mantel Depth Ref.

Mantel from

Top of Louver

Opening

1 14" A 16"

2 12" B 14"

3 10" C 12"

4 8" D 10"

5 6" E 8"

6 4" F 6"

7 2" G 4"

Figure 6 - Clearances for Combustible

Mantels

23" Hor. Vent

" Vert. Vent

36"

42"

Nailing Tabs

48"

/2"

Nailing

Tabs

36" Models

42" Models

    -

tended for use as supplemental













    

-









Figure4showstypicalframingofthisreplace.

Figure5showsframingforcornerinstallation.All

minimumclearancesmustbemet.

For available accessories for this replace, see

Accessoriesonpage17.Ifyouareusingasepa-

ratecombustiblemantelpiece,refertoFigure6

for proper installation height.You can install

noncombustiblemantelsatanyheightabovethe

replace.

Note:Noncombustiblemantelsmaydiscolor!

www.desatech.com

118197-01C6

Figure 7 - Minimum Clearances for Termination Cap

LOCATION OF TERMINATION CAP

Fixed

Closed

Openable

Fixed

Closed

TERMINATION CAP

AIR SUPPLY INLET

GAS METER RESTRICTED AREA

(TERMINATION PROHIBITED)

A = clearance above grade, veranda, porch, deck, or

balcony [*12" (30.5 cm) minimum]

B = clearance to window or door that may be opened

[6" (15 cm) min. for 10,000 Btu or less; 9" (23 cm) in US

if between 10,000 and 50,000, 12" (30 cm) in Canada

if between 10,000 and 100,000; 12" (30 cm) in US if

greater than 50,000, 36" (91 cm) in Canada if greater

than 100,000]

C = clearance to permanently closed window

[minimum 12" (30.5 cm) recommended to prevent

condensation on window]

D = vertical clearance to ventilated soffit located above the

terminal within a horizontal distance of 24" (61 cm) from

the center-line of the terminal [18" (45.7 cm) minimum]

E = clearance to unventilated soffit [12" (30.5 cm) minimum]

F = clearance to outside corner (see below)

G = clearance to inside corner (see below)

H = *not to be installed above a meter/regulator assembly

within 36" (91.4 cm) horizontally from the center line

of the regulator

I = clearance to service regulator vent outlet [*72" (182.9 cm)

minimum]

J = clearance to non-mechanical air supply inlet to building

or the combustion air inlet to any other fireplace

[6" (15 cm) min. for 10,000 Btu or less; 9" (23 cm) in US

if between 10,000 and 50,000, 12" (30 cm) in Canada

if between 10,000 and 100,000; 12" (30 cm) in US if

greater than 50,000, 36" (91 cm) in Canada if greater

than 100,000]

K = clearance to a mechanical air supply inlet [*In Canada,

6 ft. (1.83m) minimum; In US 3 ft. (91 cm) above if within

10 ft. (3 m) horizontally]

L = † clearance above paved side-walk or a paved driveway

located on public property [*84" (213.3 cm) minimum]

M = clearance under veranda, porch, deck

[*12" (30.5 cm) minimum ‡]

N = clearance above a roof shall extend a minimum of

24" (61 cm) above the highest point when it passes

through the roof surface and any other obstruction within

a horizontal distance of 18" (45.7 cm)

† vent shall not terminate directly above a side-walk or paved driveway which is located between two

single family dwellings and serves both dwellings*

‡ only permitted if veranda, porch, deck or balconey is fully open on a minimum of 2 sides beneath the floor*

* as specified in CAN/CSA B149 (.1 or .2) Installation Codes (1991) for Canada and U.S.A.

Note: Local codes or regulations may require different clearances

A = 6" (15.2 cm)

Inside Corner

B = 6" (15.2 cm)

C = Maximum depth of 48" (121.9 cm)

for recessed location

D = Minimum width for back wall of

recessed location -

Combustible - 38" (965 mm)

Noncombustible - 24" (61 cm)

E = Clearance from corner in

recessed location-

Combustible - 6" (15.2 cm)

Noncombustible - 2" (5.1 cm)

Outside Corner Recessed Location

G = 12" (30.5 cm) minimum clearance

Balcony with No Side Wall

Combustible &

Noncombustible

H = 24" (61 cm)

J = 20" (50.8 cm)

Balcony with Perpendicular Side Wall

Termination Clearances for Buildings with Combustible and Noncombustible Exteriors

Openable

www.desatech.com

118197-01C 7

VENTINg INSTALLATION

INSTRUCTIONS

   -

tions completely before at-



These models are tested and approved for use

with DESA (direct-vent) pipe components and

terminations.

Theventingsystemmustterminateontheoutsideof

thestructureandcannotbeattachedtoachimney

oruesystemservingaseparatesolidfuelorgas

burningappliance. Adirect-ventappliancemust

haveitsownventingsystem.DONOTcommon

ventthisappliance.

These models are approved to be vented either

horizontallythroughanoutsidewallorvertically

througharooforchaseenclosureusingthefol-

lowingguidelines:

• Whenventingsystemterminateshorizontally

onanoutsidewall,youmayinstallastandoff

iftheterminationcapistobeinstalleddirectly

ona combustiblenishsuch asvinyl, wood,

stucco,etc.

• Never run the vent downward as this may

cause excessive temperatures which could

causeare.

• Ventpipeairspaceclearancestocombustibles

are 1" on all sides except on the horizontal

sections, which requires 2" clearance from

thetopofthepipe.Wheretheterminationcap

penetrates a combustible wall, 1" air space

clearanceisrequired.

• Snorkel terminations are required when

minimumclearancetogradecannotbemet(see

Figure16onpage11).

• Havereplaceandselectedventcomponentson

handtohelpdeterminetheexactmeasurements

whenelbowingoroffsetting.Alwaysusewall

restopswhenpenetratingwallsandrestops

whenpenetratingceilingsoratticspaces.

• Ifusingaventingcongurationofonlyhori-

zontalventingwithnoverticalrun,a1/4"rise

forevery12"ofruntowardtheterminationis

required.

• Forinstallationofreplaceatelevationsof4000

feetorgreater,payspecialattentiontoventing

requirementrecommendations.

WARNING: Read all instruc-



  







-





 

removable for vent inspection





• Wearglovesandsafetyglassesforprotection

• Use extreme caution when using ladders or

whenonrooftops

• Beawareofelectricalwiringlocationsinwalls

andceilings

Thefollowingactionswillvoidthewarrantyon

yourventingsystem:

• Installationofanydamagedventingcomponent

• Unauthorizedmodicationoftheventingsys-

tem(Donotcutoralterventcomponents)

• Installationofanycomponentpartnotmanu-

facturedorapprovedbyDESA

• Installation other than as instructed by these

instructions



and vent assembly must be vented









   





WARNING: Vent pipe air

space clearances to combustibles













www.desatech.com

118197-01C8



There are two basic types of direct-vent in-

stallation:

• HorizontalTermination

• VerticalTermination



IMPORTANT: Horizontal square terminations

requireonlyinnerportionofwallrestop.Hori-

zontalinstallationsusingroundterminationrequire

exterior portionof wallrestop (see Figure14,

page10.

1. Setthereplaceinitsdesiredlocationanddeter-

minetherouteyourhorizontalventingwilltake.

Donotsecurethereplaceuntilallventinghas

beeninstalled.Someinstallationsrequiresliding

thereplaceinandoutofpositiontomakenal

ventingconnections.Figures14through18on

pages10through12showdifferentcongura-

tionsforventingwithhorizontalterminationthat

willhelpyoudecidewhichapplicationbestsuits

yourinstallation.Checktoseeifwallstudsor

roofraftersareinthepathofyourdesiredvent-

ingroute.Iftheyare,youmaywanttoadjustthe

locationofthereplace.

2. Directventpipesectionsandcomponentsare

designedwithspecialtwist-lockconnections.

Thefemaleendsofthe

pipeshave lockinglugs(indentations). These

lugswillslidestraightintomatchingslotson

themaleendsofadjacentpipes.Pushpipesec-

tionstogetherandtwistonesectionclockwise

approximatelyone-quarterturnuntilthesections

arefullylocked(seeFigure8).Note:Horizontal

runsofventmustbesupportedeverythreefeet.

Usewallstrapsforthispurpose.

3. Usea45° elbowto connectventing system

toreplaceuecollar.Theelbowisdesigned

to be twist-locked onto the flue collar as

described in step 2. IMPORTANT: Do not

attempttoalterthecongurationoftheelbow

bycutting,twisting,bending,etc.

4. Assemblethedesiredcombinationofpipeand

elbowstothereplaceuecollar.Ifthereare

longportionsofventingrun,pre-assembled

pipesectionsmaybeinstalledassubassem-

bliesforconvenience.

VENTINg INSTALLATION

INSTRUCTIONS

Continued

Figure 8 - Vent Pipe Connections

Female

Locking

Lugs

Male

Slots

(Framing

Detail)

" Inside Framing

Vent

pening

Combustible Wall

Vent Opening

Noncombustible Wall

Figure 9 - Vent Opening Requirements

Center of

Hole

5. Carefullydeterminethelocationwherethevent

pipeassemblywillpenetratetheoutsidewall.

Thecenteroftheholeshouldlineupwiththe

center-lineofthehorizontalventpipe.Markthe

wallfora10

/4"x10

/4"squarehole.Cutand

framethesquareholeintheexteriorwallwhere

theventwillbeterminated.Ifthewallbeing

penetratedis constructedof noncombustible

material,suchasmasonryblockorconcrete,

a 8

/2"holewithzeroclearanceisacceptable

(seeFigure9).

www.desatech.com

118197-01C 9

VENTINg INSTALLATION

INSTRUCTIONS

Continued

WARNING: Do not recess





6. Positionthe

horizontalventcapinthecenterofthe8

"

roundholeandattachtotheexteriorwallwith

fourwoodscrewsprovided.Beforeattaching

thevent capto exteriorwall, runa beadof

non-hardeningmastic(pliablesealant)around

theoutsideedgestomakeasealbetweenitand

theoutsidewall.Note:Thefourwoodscrews

providedshouldbereplacedwithappropriate

fastenersforstucco,brick,concreteorother

typesofsidings.

Forvinylsiding,

stuccoorwoodexteriors,asidingstandoffmay

beinstalledbetweentheventcapandexterior

wall.Thesidingstandoffpreventsexcessive

heat from damaging the siding materials.

Sidingmaterialmustbecuttoaccommodate

standoff.Bolttheventcaptothestandoff.Ap-

plynon-hardeningmasticaroundoutsideedge

ofstandoff.Positionthestandoff/capassembly

inthecenterofthe10

"squareholeandattach

toexteriorwallwithwoodscrewsprovided(see

Figure11).Thesidingstandoffmustsitush

againsttheexteriorfasciamaterial.

7. Slidethewall

restopovertheventpipebeforeconnecting

horizontalruntoventcap(seeFigure12).

8. Carefullymovereplace,withventassembly

attached, toward wall and insert vent pipe

intohorizontaltermination.Thepipeoverlap

shouldbeaminimumof1

"(seeFigure13,

page10).

9. Slidewall

restopagainstinteriorwallsurfaceandattach

withscrewsprovided.SeeFigure13,page10,

forhorizontalterminationdetails.

10. Place replace intoposition and shim with

noncombustible material if needed. Nail or

screwsideangestoframingtosecureunitin

place.IMPORTANT:Makesurereplaceis

levelbeforesecuring.Ifreplaceisnotlevel

itwillnotworkproperly.

Figure 10 - Installing Horizontal Vent Cap

(Noncombustible Exterior)

Wood Screw

Vent Cap

Figure 11 - Installing Siding Standoff

(Combustible Exterior Wall)

Cut Siding Away to

Fit Standoff

Wood

Screw

Screws

Standoff

Vent

Cap

Apply Mastic

to All Four Sides

Vent Cap

(Horizontal

Termination)

Interior Wall

Surface

Wall

Firestop

Horizontal

Vent Pipe

Figure 12 - Connecting Vent Cap with

Horizontal Vent Pipe

Screw

www.desatech.com

118197-01C10

VENTINg INSTALLATION

INSTRUCTIONS

Continued

Figure 13 - Typical Horizontal

Termination Cap Mounting with

Additional Siding Standoff Installed

Siding Standoff

Screws

High Wind

Termination

Apply

Mastic to

Outside

Edge of

Standoff

Exterior Wall with Vinyl Siding

" x 10

Framed Opening

Maintain 1"

Minimum Air

Space Around

Outer Pipe When

Penetrating a Wall

Minimum Pipe

Overlap 1

Wall

Firestop

Direct-Vent

Pipe



Figures 14 through18 showdifferentcongura-

tionsandalternativesforventingwithhorizontal

termination. Each figure includes a chart with

criticalminimumandmaximumdimensionswhich

MUSTbemet.IMPORTANT:Ifusingaventing

congurationofonlyhorizontalventingwithno

verticalrun,a1/4"riseforevery12"ofruntoward

theterminationisrequired.



 

removable for vent inspection



WARNING: Never run vent

    

  



improperly installed and main-

   







RecommendedApplications:

• Installationusingcabinetsurrounds

• Throughthewallusingroundorsquaretermina-

tion(upto12"horizontalpipe)

• NOTFORCORNERINSTALLATION

Horizontal

High Wind

Square

Termination

Wall Firestop

45° Elbow

Figure 14 - Horizontal Termination

Conguration for Square or Round

Terminations

45° Elbow

Wall

Firestop

Horizontal

Round

Termination

Exterior Portion

of Wall Firestop

(Round

Termination

Only)

Adjustable

Pipe 12" Max.

Round

Termination

Square Termination

 

" min. 17" max.

* If installing this replace at altitudes of

4000 feet and above, it is recommended

that an additional vertical height of 6" be

added to the vent system.

www.desatech.com

118197-01C 11



RecommendedApplications:

• Cornergroundoorinstallation

• Groundoorinstallationwherepipeventshorizon-

tallythroughwall(over12"horizontalpipe)

• Basementinstallationwhereonefootclearance

fromgroundtoterminationispossible

VENTINg INSTALLATION INSTRUCTIONS

Continued

Figure 15 - Horizontal Termination Conguration for Corner Installation Using One

90° Elbow

Square

Termination

Wall

Firestop

Not to Exceed (H) Limits

As Required

for (V), See

Chart for

Pipe Section

Required

45° Elbow

90° Elbow

Square

Termination

Wall

Firestop

45° Elbow

12" Min.

Required

 Vertical Pipe 

*43

" min. None 30" max.

" min. 1 ft. 48" max.

" min. 2 ft. 60" max.

" min. 3 ft. 84" max.

" min. 4 ft. 20' max.

* Ground Floor Corner Venting

Not to Exceed

(H) Limits



RecommendedApplications:

• Installationsrequiringaverticalriseonbuildingexterior

• Anyinstallationusingsnorkelterminationtoachieveonefootaboveground

Snorkelterminationsareavailableforinstallationsrequiringaverticalriseontheexteriorofthebuilding.

Ifinstallingsnorkelterminationbelowgrade,youmustprovideproperdrainagetopreventwaterfrom

enteringsnorkeltermination(seeFigure16).Donotbackllaroundsnorkeltermination.

Snorkel Termination

12"

Min.

Snorkel

Termination

Wall

Firestop

90° Elbow

45° Elbow

Figure 16 - Snorkel Termination Congurations for Below Ground Installation

Snorkel Termination

Adequate

Drainage

12" Min.

www.desatech.com

118197-01C12

VENTINg INSTALLATION INSTRUCTIONS

Continued



 











5' min. 2' max. 6' max.

6' min. 4' max. 12' max.

7' min. 6' max. 18' max.

8' min. 8' max. 20' max.

20' max. 8' max. 20' max.

Figure 17 - Horizontal Termination Conguration for Venting Using Two 90° Elbows

45° Elbow





Thefollowingcongurationsshowtheminimum

verticalriserequirementsforahorizontalsystem

usingtwo90°elbows.













5' min. 6' max.

6' min. 12' max.

7' min. 18' max.

8' min. 20' max.

20' max. 20' max.

Figure 18 - Horizontal Termination Conguration for Venting Using Two 90° Elbows

with Termination at 90° with Fireplace

45° Elbow

www.desatech.com

118197-01C 13





Note:Verticalrestrictormust beinstalledin all

verticalinstallations.

1. Determine the route your vertical venting

willtake.Ifceilingjoists,roofraftersorother

framing will obstruct the venting system,

consideranoffset(seeFigure19)toavoidcut-

tingloadbearingmembers.Note:Payspecial

attentiontotheseinstallationinstructionsfor

requiredclearances(airspace)tocombustibles

whenpassingthroughceilings,walls,roofs,

enclosures,atticrafters,etc.Donotpackair

spaceswithinsulation.Alsonotemaximum

vertical rise of the venting system and any

maximumhorizontaloffsetlimitations.

2. Setthereplaceindesiredlocation.Dropa

plumblinedownfromtheceilingtotheposi-

tionofthereplaceexitue.Markthecenter

pointwheretheventwillpenetratetheceiling.

Drillasmalllocatingholeatthispoint.

 Dropaplumblinefromtheinsideoftheroof

tothelocatingholeintheceiling.Markthe

centerpointwheretheventwillpenetratethe

roof.Drillasmalllocatingholeatthispoint.



1. Cuta10

"squareholeintheceilingusing

thelocatingholeasacenterpoint.Theopening

shouldbeframedto10

"x10

"(27.3cmx

27.3cm)insidedimensions,asshowninFigure

9onpage8usingframinglumberthesame

sizeastheceilingjoists.Iftheareaabovethe

ceilingisaninsulatedceilingoranatticspace,

nailrestopfromthetopside.Thisprevents

looseinsulationfromfallingintotherequired

clearancespace.Iftheareaabovetheceilingis

alivingspace,installrestopbelowtheframed

hole.Therestopshouldbeinstalledwithno

lessthanthreenailsperside(seeFigure20).

2. Assemble the desired lengths of pipe and

elbowsnecessarytoreachfromthereplace

ueupthroughtherestop.Besureallpipe

andelbowconnectionsarefullytwist-locked

(seeFigure8,page8).

3. Cutaholeintheroofusingthelocatinghole

asa centerpoint. (Coveranyexposed open

ventpipes beforecuttinghole inroof.)The

" x 10

" hole mustbemeasuredon

the horizontal; actual length may be larger

depending on the pitch of the roof. There

mustbea1"clearancefromtheventpipeto

combustiblematerials.Frametheopeningas

showninFigure9,page8.

4. Connect a section of pipe and extend up

throughthehole.

Note:Ifanoffsetisneededtoavoidobstruc-

tions,youmustsupporttheventpipeevery3

feet.Usewallstrapsforthispurpose(seeFig-

ure19).Wheneverpossible,use45°elbows

insteadof90°elbows.The45°elbowoffers

lessrestriction tothe owof theuegases

andintakeair.

VENTINg INSTALLATION

INSTRUCTIONS

Continued

Figure 19 - Offset with Wall Strap and 45°

Elbows

45° Elbow

Wall Strap

Roof Flashing

Ceiling Firestop

Figure 20 - Installing Firestop

If area above is a living space, install

restop below framed hole.

If area above is an attic space or insulated

area, install restop above framed hole.

www.desatech.com

118197-01C14

5. Place the ashing over the pipe section(s)

extendingthroughtheroof.Securethebaseof

theashingtotheroofandframingwithroof-

ingnails.Besureroongmaterialoverlapsthe

topedgeoftheashingasshowninFigure19,

page13.Theremustbea1"clearancefrom

theventpipetocombustiblematerials.

6. Continuetoaddpipesectionsuntiltheheight

oftheventcapmeetstheminimumbuilding

coderequirementsdescribed inFigure7on

page6.Note:Youmustincreaseventheight

forsteeproofpitches.Nearbytrees,adjoining

rooines,steeppitchedroofsandothersimilar

factorsmaycausepoordraftordown-drafting

inhighwinds.Increasingtheventheightmay

solvethisproblem.

7. Twist-locktheventcapontothelastsection

ofventpipe.

Note:Iftheventpipepassesthroughanyoccupied

areasabovetherstoor,includingstoragespaces

and closets, you must enclose pipe. You may

frameandsheetrocktheenclosurewithstandard

construction material. Make sure and meet the

minimumallowableclearancestocombustibles.

Do not ll any of the required air spaces with

insulation.

VENTINg INSTALLATION

INSTRUCTIONS

Continued



Figures21 through24 showfour differentcon-

gurationsforverticaltermination.













5' min. 2' max.

6' min. 4' max.

7' min. 6' max.

8' min. 8' max.

20' max. 8' max.

Figure 21 - Vertical Venting

Conguration Using Two 90° Elbows

with Two Horizontal Runs (Vertical

Round High Wind Termination Shown)

Note: Install restrictor

into inner collar of

replace as shown.

45° Elbow



 

5' min. 2' max.

6' min. 4' max.

7' min. 6' max.

8' min. 8' max.

20' max. 8' max.

Figure 22 - Vertical Venting

Conguration Using One 90° Elbow

(Vertical Round High Wind Termination

Shown)

45° Elbow

Note: Install restrictor into

inner collar of replace as

shown.

www.desatech.com

118197-01C 15

VENTINg INSTALLATION

INSTRUCTIONS

Continued

Note: Install

restrictor into

inner collar of

replace as

shown.





 

5' min. 6' max.

6' min. 12' max.

7' min. 18' max.

8' min. 20' max.

Note: Vertical (V

) + Vertical (V

) = 40' max.

Figure 23 - Vertical Venting

Conguration Using Two 90° Elbows

(Vertical Round High Wind Termination

Shown)

45° Elbow



V = 40' max.

Figure 24 - Vertical Venting

Conguration With No Horizontal Run

(Vertical Round High Wind Termination

Shown)

Note: Install

restrictor into

inner collar of

replace as

shown.

45° Elbow

www.desatech.com

118197-01C16







Number Description

P58-6 6" Section Double Wall Pipe,

Galvanized

P58-12 12" Section Double Wall Pipe,

Galvanized

P58-24 24" Section Double Wall Pipe,

Galvanized

P58-36 36" Section Double Wall Pipe,

Galvanized

P58-48 48" Section Double Wall Pipe,

Galvanized

PA58-712 Adjustable 7"-12" Section Double

Wall Pipe, Galvanized

E58-45 45° Elbow, Galvanized

E58-90 90° Elbow, Galvanized

VKG-58 Ground Floor Vent Kit, Galvanized

(Includes: 45° Elbow, 7"-12"

Adjustable Pipe, Wall Firestop,

Horizontal Square Termination,

16 Screws)

VKB-58 Basement Vent Kit, Galvanized

(Includes: 45° Elbow, 7"-12"

Adjustable Pipe, Wall Firestop,

Horizontal Square Termination,

4' Pipe, 90° Elbow, 20 Screws)

VKS-58 Snorkel Vent Kit, Galvanized

(Includes: 45° Elbow, 7"-12"

Adjustable Pipe, Wall Firestop,

36" Snorkel Termination, 4' Pipe,

1' Pipe, 90° Elbow, 26 Screws)

VKR-58 Roof Ve nt K it , G al va niz ed

(Includes: 45° Elbow, 7"-12"

Adjustable Pipe, Flue Restrictor,

Vertical High Wind Termination,

2' Pipe, 4' Pipe, Wall Firestop,

Storm Collar, Roof Flashing

[0/12 - 6/12], 26 Screws)

VKC-58 Corner Vent Kit, Galvanized

(Includes 45° Elbow, 7"-12"

Adjustable Pipe, Wall Firestop,

Horizontal Termination, 6" Pipe,

90° Elbow, 18 Screws)

HHTK-58 High Wind Round Horizontal

Termination Kit

(Includes Round Termination,

Wall Firestop, 45° Elbow)

VENTINg INSTALLATION

INSTRUCTIONS

Continued

Number Description

HHT-58 High Wind Round Horizontal

Termination Kit, Galvanized

HTS-58 Horizontal Square Termination,

Galvanized

HTKS-58 Horizontal Square Termination Kit

(Includes: Square Termination,

Wall Firestop, 45° Elbow)

VT-58 Vertical Round Termination,

Galvanized

ST-58-14 14" Snorkel Termination,

Galvanized

ST-58-36 36" Snorkel Termination,

Galvanized

SC-58 Storm Collar, Galvanized

WF-58 Wall Firestop, Galvanized

RF-58-6 Roof Flashing - 0 to 6/12 Pitch,

Galvanized

RF-58-12 Roof Flashing - 6/12 to 12/12 Pitch,

Galvanized

VR-58 Vertical Restrictor, Galvanized

S-58 Vinyl Siding Standoff,

Galvanized

WS-58 Wall Strap

CS-58 Cathedral Ceiling Support

FP-58 Firestop Plate

SF-58 Stucco Flashing -

For use with HTS-58

RF-58 Flat Roof Flashing

REPLACEMENT PARTS

Note: Useonlyoriginalreplacementparts.This

will protect your warranty coverage for parts

replacedunderwarranty.



Contact authorized retailers of this product. If

theycannotsupplyoriginalreplacementpart(s),

call DESA’s Customer Service Department at

1-866-672-6040.

WhencallingDESA,haveready

• yourname

• youraddress

• modelandserialnumbersofyourreplace

• howreplacewasmalfunctioning

• typeofgasused(propane/LPornaturalgas)

• purchasedate

Usually,wewillaskyoutoreturntheparttothe

factory.

www.desatech.com

118197-01C 17

-Filigree,Black

-Filigree,BrushedBrass

-Filigree,Platinum

-Filigree,PolishedBrass

RLD42-RolledLouver,Black

-Filigree,Black

-Filigree,BrushedBrass

-Filigree,Platinum

-Filigree,PolishedBrass





-BrushedBrass

-Platinum

-PolishedBrass

-BrushedBrass

LT42P-Platinum

-PolishedBrass





-Black(2"Brow)

-Black(2"Brow)





-Black

-BrushedBrass

-Platinum

-PolishedBrass

PT42-Black

-BrushedBrass

PT42P-Platinum

-PolishedBrass



Manualvariablecontrolbloweraccessoryprovides

better heat distribution. Complete installation

and operation instructions

includedinthismanual.







Provides better heat distribution. Blower turns

off and on automatically, as needed. Complete

installation and operation

instructions included in this

manual.



Contact authorized retailers of this product. If

theycannotsupplyoriginalreplacementpart(s),

callDESAat1-866-672-6040forreferralinfor-

mation.

WhencallingDESA,haveready

• modelnumberofyourreplace

• thereplacementpartnumber

TECHNICAL SERVICE

Youmayhavefurtherquestionsaboutinstallation,

operationortroubleshooting.Ifso,contactDESA’s

CustomerServiceDepartmentat1-866-672-6040.

Whencalling,pleasehaveyourmodelandserial

numbersofyourheaterready.

YoucanalsovisitDESA’stechnicalservicewebsiteat

.

ACCESSORIES

 All accessories may





Purchasethesereplaceaccessoriesfromyourlocal

retailer.Iftheycannotsupplytheseaccessories,

callDESA’sSalesDepartmentat1-866-672-6040

forinformation.Youcanalsowritetotheaddress

listedonthebackpageofthismanual.





-TexturedRefractory

-StandardRefractory

-TexturedRefractoryHerringbone

-StandardRefractoryHerringbone

-TexturedRefractory

-StandardRefractory

-TexturedRefractoryHerringbone

-StandardRefractoryHerringbone

Thisbricklineraddsatouchofstyletoyourdirect-

ventreplace.Completeinstallationinstructions

includedinthismanual.





REPLACEMENT PARTS

Continued

www.desatech.com

118197-01C18

ILLUSTRATED PARTS BREAkDOWN



www.desatech.com

118197-01C 19

PARTS LIST



Thislistcontainsreplaceablepartsusedinyourreplace.Whenorderingparts,followtheinstructions

listedunderReplacement Parts onpage16ofthismanual.



  

110989-02 Left Refractory Brick Panel • 1

111215-02 Left Refractory Brick Panel • 1

111299-02 Left Refractory Brick Panel • 1

111302-02 Left Refractory Brick Panel • 1

110989-01 Left Refractory Brick Panel • 1

111215-01 Left Refractory Brick Panel • 1

111299-01 Left Refractory Brick Panel • 1

111302-01 Left Refractory Brick Panel • 1

110991-02 Rear Refractory Brick Panel • 1

111217-02 Rear Refractory Brick Panel • 1

111297-02 Rear Refractory Brick Panel • 1

111330-02 Rear Refractory Brick Panel • 1

110991-01 Rear Refractory Brick Panel • 1

111217-01 Rear Refractory Brick Panel • 1

111297-01 Rear Refractory Brick Panel • 1

111300-01 Rear Refractory Brick Panel • 1

110990-02 Right Refractory Brick Panel • 1

111216-02 Right Refractory Brick Panel • 1

111298-02 Right Refractory Brick Panel • 1

111301-02 Right Refractory Brick Panel • 1

110990-01 Right Refractory Brick Panel • 1

111216-01 Right Refractory Brick Panel • 1

111298-01 Right Refractory Brick Panel • 1

111301-01 Right Refractory Brick Panel • 1



    

1 ** ** Firebox Assembly 1

2 ** ** Face Weldment 1

3 108010-01 108328-01 Door Assembly 1

— 108328-02 Door Assembly (V Models Only) 1

4 108011-01 108331-01 Top Louver Assembly 1

5 108011-02 108331-02 Bottom Louver Assembly 1

6 ** ** Fireplace Top 1

7 ** ** Fireplace Top Insulation 1

8 ** ** Fireplace Surround 1

9 109082-01 109082-02 Heat Shield 1

10 24460 24460 Gas Conduit Assembly 1

11 See Below See Below Left Refractory Brick Panel 1

12 See Below See Below Rear Refractory Brick Panel 1

13 See Below See Below Right Refractory Brick Panel 1

14 108719-01 108455-01 Screen Rod 1

15 12105 107840-01 Screen 2

16 11418 11418 Push-On Nut 2

17 14123 14123 Strain Relief 1

18 21171 21171 Gas Knock-Out Cover 2

19 24353 24353 Handy Box Assembly 1

PARTS AVAILABLE - NOT SHOWN

27253 27253 Notice Label 1

55240 55240 Vent Label 1

** Part not available for eld replacement.

















2701 Industrial Drive

P.O. Box 90004

Bowling Green, KY 42102-9004

www.desatech.com

NOT A UPC

118197-01

Rev. C

10/06

WARRANTy INFORMATION

kEEP THIS WARRANTy

Model

Serial No.

Date Purchased

Alwaysspecifymodelandserialnumberswhencommunicatingwiththefactory.

Wereservetherighttoamendthesespecicationsatanytimewithoutnotice.Theonlywarrantyapplicableisour

standardwrittenwarranty.Wemakenootherwarranty,expressedorimplied.

LIMITED WARRANTy

DIRECT-VENT FIREPLACE

DESAwarrantsthisproducttobefreefromdefectsinmaterialsandcomponentsfortwo(2)yearsfromthedate

ofrstpurchase,providedthattheproducthasbeenproperlyinstalled,operatedandmaintainedinaccordance

withallapplicableinstructions.TomakeaclaimunderthiswarrantytheBillofSaleorcancelledcheckmust

bepresented.

Thiswarrantyisextendedonlytotheoriginalretailpurchaser.Thiswarrantycoversthecostofpart(s)requiredto

restorethisheatertoproperoperatingconditionandanallowanceforlaborwhenprovidedbyaDESAAuthorized

ServiceCenter.Warrantypart(s)MUSTbeobtainedthroughauthorizedretailersofthisproductand/orDESAwho

willprovideoriginalfactoryreplacementparts.Failuretouseoriginalfactoryreplacementpartsvoidsthiswarranty.

TheheaterMUSTbeinstalledbyaqualiedinstallerinaccordancewithalllocalcodesandinstructionsfurnished

withtheunit.

Thiswarrantydoesnotapplytopartsthatarenotinoriginalconditionbecauseofnormalwearandtearorparts

thatfailorbecomedamagedasaresultofmisuse,accidents,lackofpropermaintenanceordefectscausedby

improperinstallation.Travel,diagnosticcost, labor,transportationand any and all such other costs related to

repairingadefectiveheaterwillbetheresponsibilityoftheowner.

TOTHEFULLEXTENTALLOWEDBYTHELAWOFTHEJURISDICTIONTHATGOVERNSTHESALE

OF THE PRODUCT; THIS EXPRESS WARRANTY EXCLUDESANYANDALL OTHER EXPRESSED

WARRANTIESANDLIMITSTHEDURATIONOFANYANDALLIMPLIEDWARRANTIES,INCLUDING

WARRANTIES OF MERCHANTABILITYAND FITNESS FORAPARTICULARPURPOSETOTWO(2)

YEARSONALLCOMPONENTSFROMTHEDATEOFFIRSTPURCHASE;ANDDESA’SLIABILITYIS

HEREBYLIMITEDTOTHEPURCHASEPRICEOFTHEPRODUCTANDDESASHALLNOTBELIABLE

FORANYOTHERDAMAGESWHATSOEVERINCLUDINGINDIRECT,INCIDENTALORCONSEQUEN-

TIALDAMAGES.

Somestatesdonotallowalimitationonhowlonganimpliedwarrantylastsoranexclusionorlimitationof

incidentalorconsequentialdamages,sotheabovelimitationonimpliedwarrantiesorexclusionorlimitationon

damagesmaynotapplytoyou.

Thiswarrantygivesyouspeciclegalrightsandyoumayalsohaveotherrightsthatvaryfromstatetostate.

Forinformationaboutthiswarrantywrite:

118197 01

FMI DVC42H User manual

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