Astria Fireplaces Altair Mode d'emploi

Marque: Astria Fireplaces

Modèle: Altair

Catégorie: Cheminées

Taper: Mode d'emploi

- Do not store or use gasoline or other ﬂammable

vapors and liquids in the vicinity of this or any

other appliance.

- 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.

• Leave the building immediately.

• Immediately call your gas supplier from a neigh-

bor’s phone. Follow the gas supplier’s instruc-

tions.

• If you cannot reach your gas supplier, call the

ﬁre department.

- Installation and service must be performed by

a qualiﬁed installer, service agency or the gas

supplier.

WARNING:

FIRE OR EXPLOSION HAZARD

Failure to follow safety warnings exactly could

result in serious injury, death, or property damage.

AVERTISSEMENT:

RISQUED’INDENDIE OU D’EXPLOSION

Le non-respect Des avertissements de sécurité

pourrait d’entraîner des blessures graves, la mort

ou des dommages matériels.

- Ne pas entreposer ni utilizer d’essence ni d’autres

vapeurs ou liquides inﬂammables dans le voisinage

de cet appareil ou de tout autre appareil.

- QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:

• Ne pas tenter d’allumer d’appareil.

• Ne touchez à aucan interrupteur. Ne pas vous servir

des téléphones se trouvant dans le bâtiment où

vous trouvez.

• Sortez immédiatement de bâtiment.

• Appelez immédiatement votre fournisseur de

gaz depuis un voisin. Suivez les instructions du

fournisseur.

• Si vous ne pouvez rejoindre le fournisseur de gaz,

appelez le service des incindies.

- L’installation et l’entretien doivent être assurés par

un installateur ou un service d’entretien qualiﬁé

ou par le fournisseur de gaz.

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

Installateur : Laissez cette notice avec l’appareil.

Consommateur : Conservez cette notice pour consulta-

tion ultérieure.

This appliance may be installed in an aftermarket permanently located, manufactured home (USA only) or

mobile home, where not prohibited by local codes. This appliance is only for use with the type of gas indicat-

ed on the rating plate. This appliance is not convertible for use with other gases, unless a certiﬁed kit is used.

Cet appareil peut installé dans une maison préfabriquée (mobile) déjà installée à demeure, si les réglements

locaux le permettent. Ce appareil doit être utilisé uniquement avec le type de gaz indiqué sure la plaque

signalétique. Cet appareil ne peut être converti à d’autres gaz, sauf si une trousse de conversion est utilsée.

Installation and Operation Instructions

Models

PFS

USC

Report No. F14-170

Ce manuel est disponible en francais, simplement

en faire la demande. Numéro de la pièce 900357-03.

P/N 900357-01 Rev. D 09/2016

AltairTM Series Direct-Vent Gas Fireplaces

Altair40DMN

Altair40DMP

Altair40DEN

Altair45DMN

Altair45DMP

Altair45DEN

P900357-01

DANGER

HOT GLASS WILL

CAUSE BURNS.

DO NOT TOUCH GLASS

UNTIL COOLED.

NEVER ALLOW CHILDREN

TO TOUCH GLASS.

A barrier designed to reduce the risk of burns from the hot viewing glass is pro-

vided with this appliance and shall be installed for the protection of children and

other at-risk individuals.

DANGER

PELIGRO

VITRE CHAUDE

RISQUE DE BRÛLURES.

NE TOUCHEZ PAS UNE VITRE

NON REFROIDIE.

NE LAISSEZ JAMAIS UN ENFANT

DE TOUCHER LA VITRE.

EL VIDRIO CALIENTE

CAUSARÁ QUEMADURAS.

USTED DEBE NUNCA

TOCAR EL VIDRIO CALIENTE.

LOS NIÑOS DEBEN NUNCA

TOCAR EL VIDRIO.

L’écran pare-étincelles fourni avec ce foyer réduit le risque de brûlure en cas de

contact accidentel avec la vitre chaude et doit être installé pour la protection Des

enfants et Des personnes à risques.

Una barrera diseñada para reducir el riesgo de quemaduras desde la mirilla (vidrio)

caliente es proveida con este aparato y deberá instalarse para la protección de los

niños y otros individuos en riesgo.

Vea el volante adjunto para la representación de color adecuado

See attached color ﬂyer for proper color representation

Voir ci-joint tract pour une bonne représentation de la couleur

SAFETY AND YOUR FIREPLACE

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

 Aﬁn d’éviter les brûlures

graves ou les blessures,

ne pas retirer l’écran de

protection de la foyer qui

empêche tout contact

direct avec la vitre.

 Suivez les instructions de sécurité

ci-dessous et veillez à ce que tous

les membres de votre famille soient

conscients du danger de brûlure

encouru :

• Les surfaces de votre foyer deviennent

EXTRÊMEMENT CHAUDES !

• La vitre située à l'avant du foyer atteint

des températures EXTRÊMEMENT

ÉLEVÉES et peut causer de graves

blessures en cas de contact.

• Tenez les enfants à l'écart du foyer

lorsqu'il fonctionne. Surveillez

attentivement les enfants dans les

pièces où un foyer est utilisé aﬁn

d'éviter qu'ils ne soient en contact avec

la vitre.

• Tenez tous les vêtements, les meubles,

l'essence et tout autre liquide

inﬂammable à l'écart du foyer.

• Même après fermeture du gaz, les

surfaces du foyer restent extrêmement

chaudes.

 Veillez à coller les Étiquettes de mise

en garde relatives à la sécurité

d'utilisation à l'endroit où vous

utilisez le foyer, pour rappeler à tous

les utilisateurs les dangers liés aux

températures élevées

(Pages 34)



Lisez L’information de sûreté

importante (Page 39)

Para evitar quemaduras y lesiones

graves, no quite el protector de malla

o guardia de seguridad que evita el

contacto directo con el vidrio.

 Siga las instrucciones de seguridad

a continuación y asegúrese de que

todos en su hogar sepan acerca de este

peligro de quemadura:

• ¡Las superﬁcies de la chimenea se

ponen MUY CALIENTES!

• El vidrio delante de la

chimenea alcanza temperaturas

EXTREMADAMENTE ALTAS y puede

causar quemaduras graves si se toca.

• Mantenga a los niños alejados de

la chimenea en funcionamiento.

Supervise en forma cercana a los niños

en cualquier cuarto donde haya una

chimenea funcionando para impedir el

contacto con el vidrio.

• Mantenga la ropa, mobiliario, gasolina

y otros líquidos inﬂamables alejados

de la chimenea.

• Aún después de haber apagado el

gas, las superﬁcies de la chimenea

permanecen extremadamente

calientes.

 Asegúrese de colocar las Etiquetas de

advertencia de seguridad de operación

en el lugar donde enciende la chimenea,

para que todos recuerden los peligros

asociados con las altas temperaturas

(Página 34)



Lea Información importante de

seguridad (Página 39).

Seguridad y su

chimenea

La sécurité et

votre foyer

[FRENCH][ENGLISH] [SPANISH]

Safety and Your

Fireplace

 To prevent severe burns

and injuries, do Not

remove the barrier on the

appliance which prevents

direct contact with the

glass.

 Follow the safety instructions below

and be sure everyone in your household

understands this burn hazard:

• The surfaces on your ﬁreplace get

EXTREMELY HOT!

• The glass on the front of the

ﬁreplace reaches EXTREMELY HIGH

temperatures and can cause severe

burns if touched.

• Keep children away from an operating

ﬁreplace. Closely supervise children

in any room where a ﬁreplace is

operating to prevent contact with glass.

• Keep clothing, furniture, gasoline, and

other ﬂammable liquids away from the

ﬁreplace.

• Even after the gas is turned off,

ﬁreplace surfaces remain extremely

hot.

 Be sure to attach the enclosed Safety-

in-Operation Warnings where you

turn on your ﬁreplace, to help remind

everyone of the dangers associated with

high temperatures

(Pages 34)

 Read Important Safety Information

(Page 39)

All parts of your

IHP ﬁreplace get

EXTREMELY HOT!

Toutes les parties de votre

foyer IHP deviennent

EXTRÊMEMENT CHAUDES !

¡Todas las partes de la

chimenea IHP se ponen

MUY CALIENTES!

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

TABLE OF CONTENTS

Safety and Your Fireplace ......................... Page 2

Packaging ................................................Page 4

Introduction .............................................Page 4

General Information ................................. Page 4

Commonwealth of Massachusetts

Requirements .......................................Page 6

Cold Climate Insulation ............................ Page 7

Manufactured Home Requirements .........Page 7

Location ................................................... Page 7

Vent Termination Clearances ...................Page 8

Appliance and Vent Clearances ................Page 10

Pre-Installation Steps ...............................Page 11

Typical Installation Sequence .................. Page 11

Step 1. Framing ........................................Page 11

Step 2. Routing Gas Line .........................Page 13

Step 3. Vent Restrictor Installation...........Page 14

Step 4. Install The Venting System ..........Page 15

Vertical Termination Systems ...................Page 16

Horizontal Termination System ................ Page 21

Step 5. Field Wiring .............................. Page 27

Step 6. Optional Blower Kit Wiring ....... Page 28

Step 7. Connecting Gas Line ................Page 28

Step 8. Verifying Appliance Operation ......Page 29

Step 9. Installing Logs .........................Page 30

Step 10. Remove/Install Glass Door ......Page 32

Step 11. Burner Adjustments .................Page 32

Step 12. Attaching Safety-in

Operation Warnings ..............................Page 34

Step 13. Hood Installation ...................... Page 35

Finishing Requirements ...........................Page 35

Installation Accessories ...........................Page 36

Gas Conversion Kits ................................Page 37

Important Safety Information ...................Page 39

Installation, Service, And Maintenance

Notices .................................................Page 41

Appliance Operation Notices ................... Page 41

General Information ................................. Page 41

Operation/Care of Your Appliance ............ Page 43

Gas Controls Access ................................ Page 43

Variable Flame Adjustment .......................Page 44

Maintenance ............................................Page 45

Front Glass Enclosure Panel, Barrier,

Removal and Installation .....................Page 46

Install Volcanic Stone, Embers and Logs . Page 47

Burner Flame Appearance/Sooting and

Adjustments .........................................Page 49

Wiring Diagrams ..................................... Page 51

Accessory Components ...........................Page 52

Maintenance Schedule ............................. Page 55

Lighting Instructions ................................Page 56

Troubleshooting Guide ............................ Page 60

Replacement Parts List ........................... Page 62

Warranty .................................................Page 65

Please read and understand these

instructions before beginning your

installation.

PACKAGING

The assembled vented gas ﬁreplace heater is

packaged with:

1 - logs in a carton located within the ﬁrebox.

2 - one plastic bag of glowing embers in the

bottom compartment.

3 - literature package containing the Installa-

tion and Operation Manual (this manual),

Safety Flyer, Glass and Barrier Flyer and

Safety-in-Operation Warning Labels.

4 - one rear and one top vent restrictor are

provided with this ﬁreplace. See Page 14

for installation instructions.

5 - one hood.

6 - front face assembly with barrier installed.

7 - 4" top stand off taped diagonally to the rear

of the ﬁreplace.

INTRODUCTION

The Millivolt appliances have a millivolt gas

control valve with piezo ignition system. If any

optional accessories that will require electrical

power are to be installed, the electrical power

must be provided at the time of appliance instal-

lation. The Electronic appliances are designed to

operate on natural or propane gas. An electronic

intermittent pilot ignition system provides safe,

efﬁcient operation. External electrical power is

required to operate these units.

These vented gas ﬁreplace heaters are sealed

combustion, air-circulating gas ﬁreplaces de-

signed for residential applications.

Approved Vent Components - These ﬁreplaces

are designed, tested and listed for operation

and installation with the following vent com-

ponents only:

• Secure Vent® Direct-Vent System Compo-

nents manufactured by IHP,

• Secure Flex® Flexible Vent Components

manufactured by IHP and

• Z-FLEX® Model GA Venting Systems listed

to UL1777 and ULCS635 manufactured by

Flexmaster Canada Limited.

Use only the correct size venting (4-1/2" inner

and 7-1/2" outer).

These approved vent system components are

labeled for identiﬁcation. DO NOT use any

other manufacturer’s vent components with

these appliances.

NOTE:

• If the barrier becomes dam-

aged, the barrier shall be re-

placed with the manufacturer’s

barrier for this appliance.

• For use with barrier(s) Part

No(s). J7420 (40" Models) and

J7428 (45" Models).

Children and adults should be alerted to the

hazards of high surface temperature and

should stay away to avoid burns or clothing

ignition.

Les enfants et les adultes devraient être infor-

més des dangers que posent les températures

de surface élevées et se tenir à distance aﬁn

d’éviter des brûlures ou que leurs vêtements

ne s’enﬂamment.

DO NOT ATTEMPT TO ALTER OR MODIFY

THE CONSTRUCTION OF THE APPLIANCE OR

ITS COMPONENTS. ANY MODIFICATION OR

ALTERATION MAY VOID THE WARRANTY,

CERTIFICATION AND LISTINGS OF THIS UNIT.

WARNING

Young children should be care-

fully supervised when they are

in the same room as the appli-

ance. Toddlers, young children

and others may be susceptible

to accidental contact burns. A

physical barrier is recommended

if there are at-risk individuals in

the house. To restrict access to

a ﬁreplace or stove, install an

adjustable safety gate to keep

toddlers, young children and

other at-risk individuals out of

the room and away from hot

surfaces.

AVERTISSEMENT

Les jeunes enfants devraient être

surveillés étroitement lorsqu’ils

se trouvent dans la même pièce

que l’appareil. Les tout petits,

les jeunes enfants ou les adultes

peuvent subir des brûlures s’ils

viennent en contact avec la sur-

face chaude. Il est recommandé

d’installer une barrière physique

si des personnes à risques habi-

tent la maison. Pour empêcher

l’accès à un foyer ou à un poêle,

installez une barrière de sécu-

rité; cette mesure empêchera les

tout petits, les jeunes enfants et

toute autre personne à risque

d’avoir accès à la pièce et aux

surfaces chaudes.

GENERAL INFORMATION

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

NOTE: Installation and repair should be done

by a qualiﬁed service person. The appliance

should be inspected before use and at least

annually by a professional service person.

More frequent cleaning may be required due

to excessive lint from carpeting, bedding ma-

terial, et cetera. It is imperative that control

compartments, burners and circulating air

passageways of the appliance be kept clean.

Remarque: L’installation et la réparation

devrait être conﬁées à un technicien qualiﬁé.

L’appareil devrait faire l’objet d’une inspection

par un technicien professionnel avant d’être

utilisé et au moins une fois l’an par la suite.

Des nettoyages plus fréquents peuvent être

nécessaires si les tapis, la literie, et cetera

produisent une quantité importante de pous-

sière. Il est essentiel que les compartiments

abritant les commandes, les brûleurs et les

conduits de circulation d’air de l’appareil

soient tenus propres.

Do not use this appliance if any part has

been under water. Immediately call a

qualiﬁed service technician to inspect the

appliance and to replace any parts of the

control system and any gas control which

has been under water.

Ne pas utiliser cet appareil s’il a été plongé,

même partiellement, dans l’eau. Ap-

peler un technicien qualiﬁé pour inspecter

l’appareil et remplacer toute partie du

système de commande et toute commande

qui a été plongée dans l’eau.

IMPROPER INSTALLATION OR USE OF THIS

APPLIANCE CAN CAUSE SERIOUS INJURY OR

DEATH FROM FIRE, BURNS, EXPLOSION OR

CARBON MONOXIDE POISONING.

Only trim kit(s) supplied by the manufacturer

shall be used in the installation of this ap-

pliance.

Seules les trousses de garniture fournies

par le fabricant doivent être utilisées pour

l’installation de cet appareil.

These appliances comply with National Safety

Standards and are tested and listed by PFS.

(Report No. F14-170) to ANSI Z21.88 (in

Canada, CSA-2.33), and CAN/CGA-2.17-M9,

latest editions, in both USA and Canada, as

vented gas ﬁreplace heaters.

Both millivolt and electronic versions of these

appliances are listed by PFS Corporation for

installation in bedrooms and Manufactured

Homes or Mobile Homes.

Misc. Codes / Standards -

The Installation must conform to local codes or,

in the absence of local codes, with the National

Fuel Gas Code, ANSI Z223.1/NFPA 54—latest

edition (USA), or the Natural Gas and Propane

Installation Code, CAN/CGA B149.1-latest edi-

tion (Canada).

The appliance, when installed, must be electri-

cally grounded and wired in accordance with

local codes or, in the absence of local codes,

with the National Electrical Code, ANSI/NFPA

70—latest edition, or the Canadian Electrical

Code, CSA C22.1—latest edition.

Provide adequate clearances around air open-

ings and adequate accessibility clearance for

service and proper operation. Never obstruct

the front or back openings of the appliance.

These appliances are designed to operate on

natural or propane gas only. The use of other

fuels or combination of fuels will degrade

the performance of this system and may be

dangerous.

These ﬁreplaces are designed as supplemental

heaters. Therefore, it is advisable to have an

alternate primary heat source when installed

in a dwelling.

These appliances must not be connected to a

chimney or ﬂue serving a separate solid fuel

burning appliance.

Millivolt Models - The millivolt appliances are

manually controlled and feature a spark igniter

(piezo) that allows the appliance's pilot gas to

be lit without the use of matches or batteries.

This system provides continued service in the

event of a power outage.

Electronic and Millivolt models come standard

with a manually-modulated gas valve; ﬂame ap-

pearance and heat output can be controlled at the

gas valve. The BTU Input for these appliances

is shown in Pages 1.

Input (BTU/HR) Gas Valves (all models)

Models Input Rate (BTU / HR)

Nat. Gas Prop. Gas

40" 27,000 high

21,000 low 27,000 high

21,000 low

45" 31,000 high

25,000 low 29,000 high

23,000 low

Table 1

WARNING

Improper installation, adjust-

ment, alteration, service or

maintenance can cause injury

or property damage. Refer to

this manual. For assistance or

additional information consult

a qualified installer, service

agency or the gas supplier.

WARNING

Failure to comply with these

installation instructions will result

in an improperly installed and

operating appliance, voiding its

warranty. Any change to this appli-

ance and/or its operating controls

is dangerous.

WARNING

Clothing or other flammable

material should not be placed

on or near the appliance.

WARNING

Improper installation or use of

this appliance can cause serious

injury or death from ﬁre, burns,

explosion or carbon monoxide

poisoning.

AVERTISSEMENT

On ne devrait pas placer de

vêtements ni d’autres matières

inﬂammables sur l’appareil ni à

proximité.

AVERTISSEMENT

Tout écran ou protecteur retiré

pour permettre l’entretien de

l’appareil doit être remis en

place avant de mettre l’appareil

en marche.

WARNING

Any safety screen, guard, or

barrier removed for servicing

an appliance must be replaced

prior to operating the appliance.

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

Test gauge connections are provided on the

front of the millivolt and electronic gas control

valve (identiﬁed IN for the inlet and OUT for

the manifold side). The control valves have a

3/8" (10 mm) NPT thread inlet and outlet side

of the valve (refer to Figures 1 and 2).

Propane tanks are at pressures that will cause

damage to valve components. Verify that the

tanks have step down regulators to reduce the

pressure to safe levels.

In Canada - CAN/CGA-2.17-M91 (R2009)

(high altitude):

THE CONVERSION SHALL BE CARRIED

OUT BY A MANUFACTURER’S AUTHO-

RIZED REPRESENTATIVE, IN ACCOR-

DANCE WITH THE REQUIREMENTS OF

THE MANUFACTURER, PROVINCIAL OR

TERRITORIAL AUTHORITIES HAVING

JURISDICTION AND IN ACCORDANCE

WITH THE REQUIREMENTS OF THE

CAN/CGA-B149.1 OR CAN/CGA-B149.2

INSTALLATION CODES.

Gas Valve Diagrams

See Figure 1 for Millivolt models and Figure 2

For Electronic Models.

Oriﬁce Sizes - Sea Level to High Altitude

(All Models)

These appliances are tested and approved for

installation at elevations of 0-4500 feet (0-1372

meters) above sea level using the standard burner

oriﬁce sizes (marked with an "*" in Table 4).

For elevations above 4500 feet, contact your

gas supplier or qualiﬁed service technician.

Manifold Gas Supply Pressure

(all models)

Fuel # Low High

Natural

Gas

(Lo) 2.2" WC

(0.55 kPa)

(Hi) 3.5" WC

(0.87 kPa)

Propane (Lo) 6.3" WC

(1.57 kPa)

(Hi) 10.0" WC

(2.49 kPa)

Table 3

The appliance must be isolated from the

gas supply piping system by closing its

equipment shutoff valve during any pressure

testing of the gas supply piping system at

test pressures equal to or less than 1/2

psig (3.5 kPa).

The appliance and its appliance main gas

valve must be disconnected from the gas

supply piping system during any pressure

testing of that system at test pressures in

excess of 1/2 psig (3.5 kPa).

Deration - At higher elevations, the amount

of BTU fuel value delivered must be reduced

by either:

• Using gas that has been derated by the gas

company.

• Changing the burner oriﬁce to a smaller size

as regulated by the local authorities having

jurisdiction and by the (USA) National Fuel

Gas Code NFPA 54/ANSI Z223.1—latest

edition or, in Canada, the CAN/CGA-B149.1

codes—latest edition.

Flame breadth, height and width will diminish

4% for every 1,000 feet of altitude.

Inlet Gas Supply Pressure

(all models)

Fuel # Minimum Maximum

Natural Gas 4.5" WC

(1.12 kPa)

10.5" WC

(2.61 kPa)

Propane 11.0" WC

(2.74 kPa)

13.0" WC

(3.23 kPa)

Table 2

Gas Pressure - All Models

Tables 2 and 3 show the appliances' inlet and

manifold gas pressure requirements:

Figure 2 - SIT Electronic Gas Valve

Main Gas Inlet

3/8" NPT

Inlet (IN)

Test Port

Manifold

(OUT)

Test Port

Green Wire

(From DFC Wire

Harness)

Yellow Ground Wire

(From DFC Wire

Harness)

Hi/Lo Flame

Control Knob

Orange

Wire

(From DFC

Wire

Harness)

COMMONWEALTH OF MASSACHUSETTS

REQUIREMENTS

These appliances are approved for installation in

the US state of Massachusetts if the following

additional requirements are met:

• Install this appliance in accordance with

Massachusetts Rules and Regulations 248

C.M.R. Sections 4.00 through 8.00.

• Installation and repair must be done by a

plumber or gas ﬁtter licensed in the Com-

monwealth of Massachusetts.

• The ﬂexible gas line connector used shall

not exceed 36 inches (92 centimeters) in

length.

• The individual manual shut-off must be a

T-handle type valve.

Massachusetts Horizontal Vent Requirements

In the Commonwealth of Massachusetts, hori-

zontal terminations installed less than seven

(7) feet above the ﬁnished grade must comply

with the following additional requirements:

• A hard wired carbon monoxide detector

with an alarm and battery back-up must be

installed on the ﬂoor level where the gas

ﬁreplace is installed. The carbon monoxide

detector must comply with NFPA 720, be

ANSI/UL 2034 listed and be ISA certiﬁed.•

A metal or plastic identiﬁcation plate must

be permanently mounted to the exterior of

the building at a minimum height of eight (8)

feet above grade and be directly in line with

the horizontal termination. The sign must

read, in print size no less than one-half (1/2)

inch in size, GAS VENT DIRECTLY BELOW.

KEEP CLEAR OF ALL OBSTRUCTIONS.

HTPTHTPT

IN OUT

HI/LO Variable

Flame Height

Adjustment

Figure 1 - SIT Millivolt Gas Valve

Manifold Pressure Tap

Inlet Pressure Tap

Pilot Adjustment

Screw

Main Gas Control Knob

OFF/PILOT/ON

Burner Oriﬁce Sizes

Elevation 0-4500 feet ( 0-1372 meters)

Model

Series Nat.Gas

drill size (inches) Propane

drill size (inches)

40" #40 (0.0980")*

69L96 •

#53 (0.0595")*

39L10•

45" #37 (0.1040")*

24M10 •

(0.0620")*

21L01 •

Table 4 * Standard size installed at factory

• Part /Cat. Number

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

HORIZONTAL VENT

(Rear Vent Application with a chase) HORIZONTAL VENT

(Top Vent Application)

VERTICAL VENT

(Top Vent Application)

(Rear Vent Application)

VERTICAL VENT (Rear Vent Application without a chase)

HORIZONTAL VENT

LOCATION

In selecting the location, the aesthetic and

functional use of the appliance are primary

concerns. However, vent system routing to

the exterior and access to the fuel supply are

also important.

Due to high temperatures, the appliance

should be located out of trafﬁc and away from

furniture and draperies (Figure 3).

En raison des températures élevées, l’appareil

devrait être installé dans un endroit où il y a

peu de circulation et loin du mobilier et des

tentures (Figure 3).

The location should also be free of electrical,

plumbing or other heating/air conditioning

ducting.

These direct-vent appliances are uniquely

suited for installations requiring a utility shelf

positioned directly above the ﬁreplace. Util-

ity shelves like these are commonly used for

locat-ing television sets and decorative plants.

Be aware that this is a heat producing ap-

pliance. Objects placed above the unit are

exposed to elevated temperatures.

Do not insulate the space between the ap-

pliance and the area above it (see Figure 8).

The minimum height from the base of the appli-

ance to the underside of combustible materials

used to construct a utility shelf in this fashion

is shown in Figure 8.

The appliance must be mounted on a fully sup-

ported base extending the full width and depth of

the unit. The appliance may be located on or near

conventional construction materials. However,

if installed on combustible materials, such as

carpeting, vinyl tile or other combustible material

other than wood ﬂooring, the appliance shall be

installed on a metal or wood panel extending the

full width and depth of the appliance.

COLD CLIMATE INSULATION

For cold climate installations, seal all cracks

around your appliance with noncombustible

material and wherever cold air could enter

the room. It is especially important to insulate

outside chase cavity between studs and under

ﬂoor on which appliance rests, if ﬂoor is above

ground level. Gas line holes and other open-

ings should be caulked or stuffed with unfaced

ﬁberglass insulation.

If the ﬁreplace is being installed on a cement

slab in cold climates, a sheet of plywood or

other raised platform can be placed underneath

to prevent conduction of cold transferring to

the ﬁreplace and into the room. It also helps to

sheetrock inside surfaces and tape for maximum

air tightness and caulk ﬁrestops.

MANUFACTURED HOME

REQUIREMENTS

This appliance may be installed in an aftermar-

ket permanently located, manufactured home

and must be installed in accordance with the

manufacturer's instructions.

Cet appareil peut être installé cómme du matéri-

el d'origine dans une maison préfabriquée (É.U.

seulement) ou mobile et doit être installé selon

les instructions du fabricant.

This appliance is only for use with the type of gas

indicated on the rating plate. This appliance is

not convertible for use with other gases, unless

a certiﬁed kit is used.

Cet appareil doit être utilisé uniquement avec le

type de gaz indiqué sur la plaque signalétique.

Cet appareil ne peut être converti à d'autres gaz,

sauf si une trousse de conversion est utilisée.

CAUTION: Ensure that the cross mem-

bers are not cut or weakened during

installation. The structural integrity of

the manufactured home ﬂoor, wall, and

ceiling / roof must be maintained.

CAUTION: This appliance must be ground-

ed to the chassis of the manufactured

home in accordance with local codes or

in the absence of local codes, with the

National Electrical Code ANSI / NFPA 70—

latest edition or the Canadian Electrical

Code CSA C22.1—latest edition.

Figure 3 - Typical Locations

APPLICATION

REAR VENT

APPLICATION

TOP VENT

APPLICATION

TOP VENT

REAR VENT

APPLICATION

TOP VENT

APPLICATION

RECESSED

INSTALLATION

TOP VENT

APPLICATION

TOP VENT

APPLICATION

TOP VENT

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

Roof Pitch is X/12

2 FT

MIN.

2 FT MIN.

Lowest

Discharge

Opening

*H = MINIMUM HEIGHT FROM ROOF TO

LOWEST DISCHARGE OPENING OF VENT

TERMINATION HEIGHTS FOR VENTS ABOVE

FLAT OR SLOPED ROOFS

Horizontal Overhang

Vertical

Wall

Vent

Termination

Storm Collar

Concentric

Vent Pipe

Flashing

1 inch (26 mm) Minimum

Clearance to Combustibles

Figure 5

Vertical Vent Termination Clearances

VENT TERMINATION CLEARANCES

These instructions should be used as a

guideline and do not supersede local codes

in any way. Install venting according to local

codes, these instructions, the current National

Fuel Gas Code (ANSI-Z223.1) in the USA or

the current standards of CAN/CGA-B149.1

in Canada.

Vertical Vent Termination Clearances

Terminate multiple vent terminations according to

the installation codes listed above and Figures

4 and 5.

NOTE" See Figure 37 on Page 22 for the exterior wall recess

allowances of the square horizontal termination.

Termination Heights For Vents

Above Flat Or Sloped Roofs

Ref. NFPA 54 / ANSI Z223.1

Roof Pitch * Feet * Meters

Flat to 6/12 1.0 0.3

6/12 to 7/12 1.25 0.38

7/12 to 8/12 1.5 0.46

8/12 to 9/12 2.0 0.61

9/12 to 10/12 2.5 0.76

10/12 to 11/12 3.25 0.99

11/12 to 12/12 4.0 1.22

12/12 to 14/12 5.0 1.52

14/12 to 16/12 6.0 1.83

16/12 to 18/12 7.0 2.13

18/12 to 20/12 7.5 2.29

20/12 to 21/12 8.0 2.44

The vent / air intake termination clearances

above the high side of an angled roof is as

shown in the following chart:

Figure 6

(152 mm)

12"

(305 mm)

Combustible Projection greater

Horizontal Vent Termination Clearances

Combustible Projection

2-1/2”

or less in length

18"

(457 mm)

entilated

Soffit Unventilated

Soffit

than 2-1/2” in length

Termination Kit

Side Elevation View

Termination Kit

All horizontal terminations

may be located as close as

6” (152mm) to any

(non-combustible and

combustible) exterior

sidewall. This distance

may be decreased to 2”

(51mm) for non--

combustible exterior

sidewalls only, if the

SV4.5HT-2 termination

is used.

Horizontal Vent Termination Clearances

The horizontal vent termination must have a minimum of 6" (152 mm) clearance to any overhead

combustible projection of 2-1/2" (64 mm) or less (see Figure 6). For projections exceeding 2-1/2"

(64 mm), see Figure 6. For additional vent location restrictions refer to Figure 7 on Page 7.

Figure 4 - Multiple Terminations

12”

(305mm)

Minimum

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

Figure 7

U.S. Installation ** Canadian Installation *

AClearance above grade, veranda, porch, desk, or balcony 12” (300 mm) ** 12” (300 mm) *

BClearance to window or door that may be opened 6” (150 mm)

for ﬁreplaces < 10,000 Btu/h (3 kW),

9” (230 mm)

for ﬁreplaces > 10,000 Btu/h (3 kW), and < 50,000 Btu/h (15

kW),

12” (300 mm)

for ﬁreplaces > 50,000 Btu/h (15 kW) **

6” (150 mm)

for ﬁreplaces < 10,000 Btu/h (3 kW),

12” (300 mm)

for ﬁreplaces > 10,000 Btu/h (3 kW)

CClearance to permanently closed window 9” (229 mm)

recommended to prevent window condensation

12” (305 mm)

recommended to prevent window

condensation

DVertical clearance to ventilated sofﬁt located above the

termination within a horizontal distance of 18” (458 mm)

18” (458 mm) 18” (458 mm)

EClearance to unventilated sofﬁt 12” (305 mm) 12” (305 mm)

FClearance to outside corner 5” (127 mm)

minimum

5” (127 mm)

minimum

GClearance to inside corner 6” (152 mm) minimum 6” (152 mm) minimum

HClearance to each inside of center line extended above

meter / regulator assembly

36” (910 mm)

within a height of 15 ft above the meter / regulator assembly **

36” (910 mm)

within a height of 15 ft above the meter /

regulator assembly *

IClearance to service regulator vent outlet 36” (910 mm)** 36” (910 mm)*

JClearance to nonmechanical air supply inlet to building or

the combustion air inlet to any other ﬁreplace

6” (150 mm)

for ﬁreplaces < 10,000 Btu/h (3 kW),

9” (230 mm)

for ﬁreplaces > 10,000 Btu/h (3 kW) and < 50,000 Btu/h (15 kW),

12” (300 mm)

for ﬁreplaces > 50,000 Btu/h (15 kW)**

6” (150 mm)

for ﬁreplaces < 10,000 Btu/h (3 kW),

12” (300 mm)

for ﬁreplaces > 10,000 Btu/h (3 kW)

KClearance to a mechanical air supply inlet 36” (910 mm) above if within 10 ft (3 m) horizontally ** 72” (1830 mm) *

LClearance above paved sidewalk or paved driveway located

on public property

84” (2130 mm) ‡ 84” (2130 mm) ‡

MClearance under veranda, porch, deck or balcony 12” (300 mm) *‡ 12” (300 mm) *‡

NDepth of alcove (maximum) 72” (1830 mm) ** 72” (1830 mm) *

OClearance to termination (alcove) 6” (15.2 mm) ** 6” (15.2 mm)*

PWidth of alcove (minimum) 36” (910 mm) ** 36” (910 mm) *

QClearance to combustible above (alcove) 18” (457 mm) ** 18” (457 mm) *

‡

*‡

In accordance with the current CAN/CGA-B149.1 National Gas And Propane Installation Code

In accordance with the current ANSI Z223.1/NFPA 54 National Fuel Gas Codes

A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings

Only permitted if veranda, porch, deck, or balcony is fully-open on a minimum two sides beneath the ﬂoor

Fixed

Closed Openable Fixed

Closed

TERMINATION CAP AIR SUPPLY INLET GAS METER RESTRICTED AREA

(TERMINATION PROHIBITED)

Openable

See Figure 5

Inside Corner

Outside Corner Recessed Location

Balcony with No Side Wall

Balcony with Perpendicular Side Wall

EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

Figure 9 - Minimum Mantel Clearances

All Models Combustible Shelf Height - Inches (millimeters)

Secure Vent

Secure Flex

(ﬂex elbow)

Top Vent *50-1/2 (1283) *52-1/4 (1327)

Rear Vent *40-1/4 (1022) *40-1/4 (1022)

Figure 10 - Minimum Distance to Side Wall

MINIMUM CLEARANCES TO COMBUSTIBLES

Appliance And Vent Clearances

The appliance is approved with zero clearance to combustible materials

on all sides (as detailed in Table 5), with the following exception: When

the unit is installed with one side ﬂush with a wall, the wall on the

other side of the unit must not extend beyond the front edge of the

unit. In addition, when the unit is recessed, the side walls surrounding the

unit must not extend beyond the front edge of the unit (see Figure 10).

MINIMUM CLEARANCES* Inches (millimeters)

Back 1" (26)

0 (0) from Spacers Or Dimples

Sides 1/2" (13)

0 (0) from Spacers Or Dimples **

Top of Fireplace 4" (101)

Floor 0 (0)

From Bottom of Unit To Ceiling 64 (1626)

Vent 3 (77) Top* / 1 (26) Sides & Bottom

SERVICE CLEARANCES Feet (meters)

Front 3 feet (0.9 meters)

Table 5

*NOTE: 3" (77 mm) above any horizontal/inclined vent component.

**NOTE: See Page 11, Step 1 for clearance requirements to the nailing

ﬂange located at each side of the unit and any screw heads adjacent to it.

Hearth Extension - A hearth extension is not required with this appliance.

If a hearth extension is used, do not block the lower control compartment

door. Any hearth extension used is for appearance only and does not

have to conform to standard hearth extension installation requirements.

Shelf Height - To provide for the lowest possible shelf surface, use the

alternate rear vent outlet, the venting attached to the top vent should be

routed in a way to minimize obstructions to the space above the appliance.

Do not insulate the space between the appliance and the area above

it (see Figure 8). The minimum height from the base of the appliance to

the underside of combustible materials used to construct a utility shelf in

this fashion is shown in Figure 8.

Wall Finishes / Surrounds / Mantels

NOTE: Combustible wall ﬁnish materials and/or surround materials must

not be allowed to encroach the area deﬁned by the appliance front face

(black sheet metal). Never allow combustible materials to be positioned

in front of or overlapping the appliance face (see Figure 61 on Page 35).

Non-combustible materials, such as surrounds and other appliance trim,

may be installed on the appliance face with these exceptions: they must not

cover any portion of the removable glass panel or control compartment.

Vertical installation clearances to combustible mantels vary according

to the depth of the mantel. See Figure 9. Mantels constructed of non-

combustible materials may be installed at any height above the appliance

opening; however, do not allow anything to hang below the ﬁreplace hood.

Minimum clearance requirements include any projections such as shelves,

window sills, mantels, etc. above the appliance.

NOTE: To avoid heat-related ﬁnish damage, we recommend the use of high

temperature paint (rated 175° F or higher) on the underside of the mantel.

* Includes 3” clearance to combustibles (required above vent components)

Combustible materials may project beyond one side of the ﬁreplace

opening as long as they are kept within the shaded areas illustrated here.

Figure 8 -

Shelf Height Minimum Clearances With Top Venting

17"

14"

Min. Distance To

Unprotected

Perpendicular Side Wall

8-1/4"

45º

Combustible Materials

Allowed In Shaded

Area “Safe Zone”

12"

Top View Of

Fireplace

Side

Wall

Side

Wall

Min. Distance

To Protected

Perpendicular

Side Wall

12 (305) MANTEL

10 (254) MANTEL

8 (203) MANTEL

6 (152) MANTEL

4 (102) MANTEL

(203)

(457) 16

(406) 14

(356) 2 (51) MANTEL

TOP OF

APPLIANCE

(254)

(305)

MANTEL CLEARANCES

Inches (mm)

Shelf Above Fireplace With Rear Venting Shelf Above Fireplace With Top Venting

Shelf Height

(see table)

Shelf Height

(see table)

Do not insulate the

space between the ap-

pliance and the area

above it.

Do not insulate the

space between the

appliance and the area

above it.

Inches (millimeters)

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

IMPORTANT!

Install top standoff

and bend up appropriate

drywall backstops (1/2" or 5/8")

before installing ﬁreplace.

Top Standoff

(installed)

Drywall Backstops

(bent up for 1/2"

or 5/8")

PRE-INSTALLATION STEPS

The appliance is shipped with all gas controls

and components installed and pre-wired.

1. Remove the shipping carton. Remove the

shipping pad. Remove front face assembly

and hood exposing the front glass door.

2. Open the two spring latches securing the

glass door (under the ﬁrebox ﬂoor). Remove

the door by tilting it outward at the bottom

and lifting it up. Set the door aside, taking

care to protect it from inadvertent damage.

See Removing The Glass Enclosure Panel on

Page 32.

3. Remove the log set from the ﬁrebox. Handle

logs carefully to prevent breakage.

4. Remove the embers and volcanic stone from

the control compartment.

5. Remove top standoff (taped to side of outer

wrapper).

6. Remove the 4 screws on top, and install the

top standoff with the 4 screws (see Figure

11).

TYPICAL INSTALLATION SEQUENCE

The typical sequence of installation is outlined

below. However, each installation is unique and

may result in variations to the steps described.

See the page numbers references in the follow-

ing steps for detailed procedures.

Step 1. FRAMING (Page 11): Install top

standoff spacer. Construct the appliance

framing. Position the appliance within the

framing. Secure with nailing ﬂanges.

Step 2. (Page 13) Route gas supply line to

appliance location.

Step 3. (Page 14) Preparing the appliance

vent collar.

Step 4. (Page 15) Install the vent system and

exterior termination.

Step 5. (Page 27) Field Wiring

a. Millivolt Appliances - Install the operat-

ing control switch (not factory provided)

and bring in electrical service line for forced

air-circulating blower (optional equipment).

b. Electronic Appliances - Field wire and

install operating control switch.

Step 6. (Page 28) Install blower kit (optional

equipment).

Step 7. (Page 28) Make connection to gas

supply.

Step 8. (Page 29) Verifying appliance operation.

Step 9. (Page 30) Install the logs, decorative

volcanic stone and glowing embers.

Figure 12 - Side Nailing Flanges

Figure 11 - Top Standoff Spacer

NOTE: The nailing ﬂanges, combustible members,

and screw heads in areas directly adjacent to

the nailing ﬂanges are EXEMPT from the 1/2"

clearance to combustible requirements for the

ﬁrebox outer wrapper.

Combustible framing may be in direct contact with

the nailing ﬂanges and may be located closer than

1/2" from screw heads and the ﬁrebox wrapper in

areas adjacent to the nailing ﬂanges.

Frame the opening to the exact dimensions

speciﬁed in the framing details in this manual.

Side

Framing

Unit Nailing Flange

(No clearance to

combustible framing

is required)

Step 10. (Page 32) Install glass door front face

assembly and hood..

Step 11. (Page 32) Adjust burner to ensure

proper ﬂame appearance.

Step 12. (Page 34) Attach Safety-In-Operation

Warnings.

Step 1. FRAMING

Frame these appliances as illustrated in Figures

13 and 14 on Pages 12 and 13 (Figure 14

applies to corner framing installations only).

All framing details must allow for a minimum

clearance to combustible framing members as

shown in Table 5 on Page 10.

If the appliance is to be elevated above ﬂoor level,

a solid continuous platform must be constructed

below the appliance.

Headers may be in direct contact with the

appliance top standoff spacer (Figure 11),

maintaining the 4" clearance to the ﬁreplace top,

but must not be supported by them or notched

to ﬁt around them. All construction above the

appliance must be self-supporting. DO NOT use

the appliance for structural support.

The ﬁreplace should be secured to the side

framing members using the unit's side nailing

ﬂanges - one top and bottom on each side of

the ﬁreplace front. See Figure 12. Use 8d nails

or their equivalent.

SIDE NAILING FLANGES

Bend out the appropriate nailing ﬂanges for

the drywall/ﬁnish material to be used. Nailing

ﬂanges are provided for ﬂush framing, 1/2" and

5/8" framing depths (see Figure 12).

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

FIREPLACE AND FRAMING SPECIFICATIONS

Vent Size

Co-axial DV

Vent Size

4-1/2" Inner

7-1/2" Outer

Vertical Venting Through the Ceiling:

Frame ceiling opening - Use a plumb line

from the ceiling above the appliance to locate

center of the vertical run. Cut and/or frame an

opening, 10-1/2" x 10-1/2" (267 mm x 267

mm) inside dimensions, about this center

mark (see Figure 22).

NOTES

Diagrams, illustrations and pho-

tographs are not to scale - consult

installation instructions. Product

designs, materials, dimensions,

speciﬁcations, colors and prices

are subject to change or discontinu-

ance without notice.

Input (BTU/HR) - MV & Electronic

Input Rate (BTU / HR)

Models Nat. Gas Prop. Gas

40" 27,000 27,000

45" 31,000 29,000

Efﬁciencies %

Natural Gas Propane

Models AFUE P4 AFUE P4

40" 67 60 67 63

45" 67 63 68 65

Framing

Models A B C D E

40" in. 40-3/8 41-1/4 24 27-1/2 43-5/8

mm 1026 1048 610 699 1108

45" in. 45-3/8 41-1/4 24 27-1/2 43-5/8

mm 1153 1048 610 699 1108

Viewable Glass Size

40" Model 34-1/2" Wide

24" High

45" Model 39-1/2" Wide

24" High

Inches (mm)

Vent Framing - Rear Vent

With no Elbows

Framing should be constructed

of 2x4 or larger lumber.

Vent Framing - Top Vent

With One 90º Elbow

Based on CSA P. 4.1-09

WARNING

Failure to position the parts in

accordance with these diagrams

or failure to use only parts speciﬁ-

cally approved with this appliance

may result in property damage or

personal injury.

AVERTISSEMENT

Risque de dommages ou de

blessures si les pièces ne sont

pas installées conformément à

ces schémas et ou si des pièces

autres que celles spéciﬁquement

approuvées avec cet appareil sont

utilisées.

Figure 13

Model F G H J K L M N

40" in. 41-1/8 37-1/8" 24 34-1/2 40-1/8 27-1/2 26-1/2 13-3/4

mm 1045

943

609 876 1019 698 675 337

45" in. 41-1/8 37-1/8" 24 39-1/2 45-1/8 27-1/2 31-1/2 15-3/4

mm 1045

943

609 1003 1146 698 802 401

Front View

4 (102)

1/2 (13)

3 (76)

Right Side View

Electrical

Inlet

(179)

20-7/8

(531)

10-1/8

(257)

Hood

Top View

10-7/8

(275)

Concentric Flue:

Flue

4-1/2” (114 mm);

Combustion Air

7-1/2” (190 mm).

Header

Spacing

Top

Standoff

GAS INLET

(either side

and bottom)

Front Face

Assembly

and Barrier

Gas control

access panel

2 (52)

(178)

5-1/8

12-1/8

(308)

10-1/2

(267)

(130)

(308)

(178)

¹⁄₂ A

5-1/8 12-1/8

Side Framing

Spacers = 1/2"

Rear Framing

Spacers

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

1 (26)

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

FIREPLACE FRAMING SPECIFICATIONS

Figure 14 - Corner Framing with Horizontal Termination

Schedule 40

Black Iron Pipe

Inside Diameter (Inches)

Schedule 40 Pipe

Length (feet)

Natural

Gas

Propane

Gas

0-10 1/2 3/8

10-40 1/2 1/2

40-100 1/2 1/2

100-150 3/4 1/2

150-200 3/4 1/2

Table 6

NOTES:

• All appliances are factory-equipped with a

ﬂexible gas line connector and 1/2" shutoff

valve (see Figure 50 on Page 29).

• See Massachusetts Requirements on Page

6 for additional requirements for installations

in the state of Massachusetts in the USA.

• The gas supply line should Not be connected

to the appliance until Step 7 (Page 28).

• A pipe joint compound rated for gas should be

used on the threaded joints. Ensure propane

resistant compounds are used in propane

applications. Be very careful that the pipe

compound does not get inside the pipe.

• It is recommended to install a sediment trap

in the supply line as close as possible to the

appliance. Appliances using Propane should

have a sediment trap at the base of the tank.

• Check with local building ofﬁcial for local

code requirements (i.e. are below grade

penetrations of the gas line allowed?, etc).

IMPORTANT: If propane is used, be aware that

if tank size is too small (i.e. under 100-lbs, if

this is the only gas appliance in the dwelling.

Ref. NPFA 58), there may be loss of pressure,

resulting in insufﬁcient fuel delivery (which

can result in sooting, severe delayed ignition

or other malfunctions). Any damage resulting

from an improper installation, such as this,

is not covered under the limited warranty.

Proper Sizing of Gas Line

Properly size and route the gas supply line from

the supply regulator to the area where the appli-

ance is to be installed per requirements outlined

in the National Fuel Gas Code, NFPA 54—latest

edition (USA) or CAN/CGA-B149.1—latest edi-

tion (Canada).

Also see Figure 13 on Page 12.

Figure 15 - Route Gas Line

Step 2. ROUTING GAS LINE

Route a 1/2" (13 mm) gas line to the left side

of the appliance as shown in Figure 15. Gas

lines must be routed, constructed and made

of materials that are in strict accordance with

local codes and regulations. All appliances

are factory-equipped with a ﬂexible gas line

connector and 1/2" shutoff valve. (See Figure

50 on Page 29).

Never use galvanized or plastic pipe. Refer

to Table 6 for proper sizing of the gas sup-

ply line, if black iron pipe is being used. Gas

lines must be routed, constructed and made

of materials that are in strict accordance with

local codes and regulations. We recommend

that a qualiﬁed individual such as a plumber or

gas ﬁtter be hired to correctly size and route

the gas supply line to the appliance. Installing

a gas supply line from the fuel supply to the

appliance involves numerous considerations of

materials, protection, sizing, locations, controls,

pressure, sediment, and more. Certainly no one

unfamiliar and unqualiﬁed should attempt sizing

or installing gas piping.

7” (178mm)

Left Side

Front Corner of

Fireplace Framing

6-1/2"

(152 mm)

(77 mm)

Framing

Model A B C D E F

40" in. 40-3/8 67-3/4 47-7/8 25-3/4 33-7/8 5-3/4

mm 1026 1721 1216 654 860 146

45" in. 45-3/8 72-3/4 51-1/2 25-1/8 36-3/8 7-1/2

mm 1153 1848 1308 638 924 191

* These dimensions occur when one 45º elbow is connected directly

to the appliance collar.

NOTE: Venting requirements for rear vent applications in corner installa-

tions - the horizontal vent length “a” to “b,” must not exceed 28" (711 mm)

Back wall of chase/enclosure(including

any ﬁnishing materials)

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

Vent Restrictor Installation in

TOP VENT Systems

Install the top vent restrictor (provided in the

bottom control compartment of ﬁreplace) in

any vent run with more than 8 ft. of vertical

rise.

1. Remove the screws from the top cover

plate inside the ﬁrebox (see Figure 17).

Discard the top cover plate.

2. Using two of the screws that were removed

from the top cover plate, install the top

restrictor as shown in Figure 20.

NOTE: The screws are installed into the

holes in the air collector box.

NOTE: Use these instructions only when

the horizontal termination is attached

directly to the ﬁreplace.

Vent Restrictor Installation

The ﬁreplace ships with the following:

• (1) rear solid cover plate (ships installed

over rear vent hole; similar to top solid

cover plate shown in Figure 17)

• (1) top solid cover plate (ships installed

over top vent hole; refer to Figure 17)

• (1) rear vent restrictor plate (square

plate with two rectangular holes; ships

uninstalled in literature bag)

• (1) U-shaped vent restrictor (ships

uninstalled in literature bag)

• (1) top vent ﬂue restrictor (ships

uninstalled and taped to log set in ﬁrebox)

Vent Restrictor Installation in

REAR VENT Systems

IF REAR VENT HORIZONTAL VENT

LENGTH IS 7 INCHES OR SHORTER:

Install the rear vent restrictor plate

as shipped (see Figure 16) over the

rear vent hole using the 4 previously

removed screws, as shown in Figure

17.

IF REAR VENT HORIZONTAL VENT

LENGTH IS LONGER THAN 7 INCHES:

All models: Reinstall the 4 previously

removed screws only, into the rear

cover plate screw holes. Do NOT install

the rear vent restrictor plate.

KNOCKOUT

CAP AND

GASKET

CROSS SECTION

REAR VENT

COVER PLATE

SECURING SCREWS

CABINET BACK

(INSIDE UNIT) (OUTSIDE UNIT)

REAR VENT SEAL AND COVER PLATE REMOVAL

WHEN USING THE REAR VENT

When rear venting, remove the outer wrapper

knockout, cover plate, and gasket from outside

the unit (Figure 18).

Figure 16

Figure 20

Rear Vent Restrictor Plate

as shipped from factory.

Figure 17

Top Solid Cover Plate (shown

installed over top vent hole)

Rear Vent Restrictor Plate

(shown installed over rear vent hole

after Rear Solid Cover Plate was

removed)

Figure 18

U-SHAPED VENT

RESTRICTOR

APPLIANCE REAR

VENT OUTLET

INNER FIREPLACE

COLLAR

Installation of the U-shaped vent restrictor is

required in rear vent applications with vertical

vent runs over 8 feet.

Install the vent restrictor from outside the unit

in the inner fireplace collar of the rear vent outlet,

oriented as shown below.

U-SHAPED VENT RESTRICTOR INSTALLATION

(REAR VENT)

IF REAR VENT VERTICAL VENT LENGTH

IS 8 FEET OR LONGER:

All models: Before attaching the first

piece of venting pipe or elbow, install the

U-shaped vent restrictor into the rear vent

collar from outside the unit (Figure 19).

The U-shaped vent restrictor is held in

place by friction.

Figure 19

Top Vent Restrictor

Install Screws (2 places)

Firebox ceiling

Step 3. VENT RESTRICTOR INSTALLATION

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

Step 4. INSTALL THE VENT SYSTEM

General Information

These instructions should be used as a

guideline and do not supersede local codes

in any way. Install venting according to local

codes, these instructions, the current National

Fuel Gas Code (ANSI-Z223.1) in the USA or

the current standards of CAN/CGA-B149.1

in Canada.

Ensure clearances are in accordance with

local installation codes and the requirements

of the gas supplier.

Dégagement conforme aux codes d'installation

locaux et aux exigences du foumisseunde gaz.

Use only approved venting components.

See Approved Vent Components on

Page 4.

These ﬁreplaces must be vented directly

to the outside.

The vent system may not service multiple

appliances, and must never be connected to a

ﬂue serving a separate solid fuel burning appli-

ance. The vent pipe is tested to be run inside

an enclosed wall (such as a chase). There is

no requirement for inspection openings in the

enclosing wall at any of the joints in the vent pipe.

Select Venting System - Horizontal or Vertical

With the appliance secured in framing, determine

vent routing and identify the exterior termina-

tion location. The following sections describe

vertical (roof) and horizontal (exterior wall)

vent applications. Refer to the section relating

to your installation. A list of approved venting

components are shown on Pages 35 and 36.

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

NOTE: Convert inches into metric equivalent

measurement, as follows:

Millimeters (mm) = Inches x 25.4

Centimeters (cm) = Inches x 2.54

Meters (M) = Inches x .0254

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5.01578.0010001

5152.1110002

5.91526.1210003

1257.1020002

5.22578.1001001

5.52521.2120003

5.13526.2030003

5.43578.2000101

5.73521.3111003

5.34526.3021003

5457.3002002

5.64578.3000011

5.94521.4102003

1552.4100012

5.55526.4012003

7557.4001102

6652.5022004

5.76526.5003003

9657.5000202

276103004

5.37521.6100203

5.97526.6010203

1857.6000112

095.7021014

19526.7002013

3957.7000022

698101204

5.79521.8100023

2015.8200024

5.301526.8000303

8019100304

4115.9020024

71157.9105006

5.811578.9110305

6215.01001304

5.031578.01101305

53152.11006006

8315.11000404

5.931526.11000033

5.241578.11100405

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5.451578.21110035

5.061573.31020035

5.271573.41000505

77157.41100506

38152.51010506

6815.51000044

5.091578.51100045

5.691573.61010045

5.502521.71011507

70252.71000606

5.112526.71100607

5.712521.81010607

5.922521.91001607

5.232573.91000055

73257.91100056

5.142521.02000707

6425.02100708

25212010708

46222001708

67232000808

97252.32000066

082573.32100809

5.382526.32100067

5.982521.42010067

5.103521.52001067

5.013578.52000909

5135.621009001

5.523521.72000077

0335.72100078

63382010078

54357.82000 01001

5.943521.92100 01011

27313000088

5.673573.13100089

5.973526.13000 11011

5.814578.43000099

32452.531000901

56457.8300000101

SV4.5CGV-1

Termination SV4.5FA OR

SV4.5FB Flashing

AND SV4.5SC

STORM COLLAR

*SV4.5VF

Firestop/Spacer

SV4.5L6/12/24/36/48

Vent Sections

40' Max

(12.2 M)

1" (26 mm)

Minimum

Clearance to

Combustibles

*When using Secure Flex,

use Firestop/Spacer

SF4.5VF

Effective Vent Length

Model Effective Length

SV4.5L6 4-1/2"

SV4.5L12 10-1/2"

SV4.5L24 22 -1/2"

SV4.5L36 34-1/2"

SV4.5L48 46-1/2"

Table 7

Figure 21

VERTICAL TERMINATION SYSTEMS (ROOF)

See Figure 21 and Figures 30-34 on Pages 19-20

and their associated Vertical Vent Tables which il-

lustrate the various vertical venting conﬁgurations

that are possible for use with these appliances.

Secure Vent® pipe applications are shown in

these Figures; Secure Flex® pipe may also be

used. A Vertical Vent Table summarizes each

system’s minimum and maximum vertical and

horizontal length values that can be used to

design and install the vent components in a

variety of applications.

Both these vertical vent systems terminate

through the roof. The minimum vent height

above the roof and/or adjacent walls is speci-

ﬁed in ANSI Z223.1-(latest edition) (In Canada,

the current CAN/CGA-B149.1 installation code)

by major building codes. Always consult your

local codes for speciﬁc requirements. A general

guide to follow is the Gas Vent Rule (refer to

Figure 5 on Page 8).

Vertical (Straight) Installation

(Figure 21)

Determine the number of straight vent sec-

tions required. 4-1/2" (114 mm), 10-1/2" (267

mm), 22-1/2" (572 mm), 34-1/2" (876 mm)

and 46-1/2" (1181 mm) net section lengths

are available (see Tables on this page and

Pages 35 and 36 - Vent Sections). Plan the

vent lengths so that a joint does not occur at

the intersection of ceiling or roof joists. Refer

to the Vent Section Length Chart.

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

1” (26mm)

minimum

clearance to

combustibles

Support Straps

(Plumber’s tape)

8 feet (2.4m)

Maximum

Blocking

Figure 24

D. Install ﬁrestop/spacer at ceiling - When

using Secure Vent, use SV4.5VF ﬁrestop/spacer

at ceiling joists; when using Secure Flex, use

SF4.5VF ﬁrestop/spacer. If there is living space

above the ceiling level, the ﬁrestop/spacer must

be installed on the bottom side of the ceiling.

If attic space is above the ceiling, the ﬁrestop/

spacer must be installed on the top side of

the joist. Route the vent sections through the

framed opening and secure the ﬁrestop/spacer

with 8d nails or other appropriate fasteners at

each corner. Remember to maintain 1" (26

mm) clearance to combustibles, framing

members, and attic or ceiling insulation

when running vertical chimney sections.

Attic insulation shield (H3907) may be used

to obtain the required clearances indicated

here. See installation accessories table on

Pages 35 and 36. The gap between the vent

pipe and a vertical ﬁrestop can be sealed with

non-combustible caulking.

E. Support the vertical vent run sections -

NOTE: Proper venting support is very important.

The weight of the vent must not be supported

by the ﬁreplace in any degree.

Support the vertical portion of the venting

system every 8 feet (2.4m) above the ﬁreplace

vent outlet. One method of support is by utiliz-

ing ﬁeld provided support straps (conventional

plumber's tape). Secure the plumber's tape to

the framing members with nails or screws. Loop

the tape around the vent, securing the ends of

the tape to the framing. If desired, sheet metal

screws #6 x 1/2" length may be used to secure the

support straps to the vent pipe. See Figure 24.

Vertical (Offset) Installation

Analyze the vent routing and determine the

quantities of vent sections and number of elbows

required. Refer to Vertical Vent Figures and

Tables on Pages 19 and 20 to select the type

of vertical installation desired. Vent sections

are available in net lengths of 4-1/2" (114 mm),

10-1/2" (267 mm), 22 -1/2" (572 mm), 34-1/2"

(876 mm) and 46-1/2" (1181 mm). Refer to the

Vent Section Length Chart on Page 16 for an

aid in selecting length combinations. Elbows are

available in 90° and 45° conﬁgurations. Refer

to Figure 25 on Page 18 for the SV4.5E45 and

SV4.5E90 elbow dimensional speciﬁcations.

Where required, a telescopic vent section

(SV4.5LA) may be used to provide the installer

with an option in installing in tight and conﬁned

spaces or where the vent run made up of ﬁxed

length pieces develops a joint in a undesirable

location, or will not build up to the required

length. The SV4.5LA Telescopic Vent Section

has an effective length of from 1-1/2" (38 mm)

to 7-1/2" (191 mm). The SV4.5LA is ﬁtted with

a locking inclined channel end (identical to a

normal vent section component) and a plain end

with 3 pilot holes. Slip the plain end over the

locking channel end of a standard SV4.5 vent

component the required distance and secure

with three screws.

Maintain a minimum 1" (26 mm) clearance to

combustible materials for all vertical elements.

Clearances for all horizontal elements are 3"

(77 mm) on top, 1" (26 mm) on sides and 1"

(26 mm) on the bottom.

A. Frame ceiling opening - Use a plumb line

from the ceiling above the appliance to locate

center of the vertical run. Cut and/or frame an

opening, 10-1/2" x 10-1/2" (267mm x 267mm)

inside dimensions, about this center mark

(Figure 22).

To attach a vent component to the appliance

collar, align the dimpled end over the collar,

adjusting the radial alignment until the four

locking dimples are aligned with the inlet of

the four inclined channels on the collar (refer to

Figure 23). Push the vent component against

the collar until it fully engages, then twist the

component clockwise, running the dimples

down and along the incline channels until they

seat at the end of the channels. The unitized

design of the Secure Vent® components will

engage and seal both the inner and outer pipe

without the need for sealant or screws. If desired

a #6 x 1/2" screw may be used at the joint, but

it is not required as the pipe will securely lock

when twisted.

NOTE: An elbow may also be attached to the

appliance collar. Attach in the same manner as

you would a vent section.

C. Attach vent components to each other - Other

vent sections may be added to the previously

installed section in accordance with the require-

ments of the vertical vent ﬁgures and tables.

To add another vent component to a length of

vent run, align the dimpled end over the inclined

channel end of the previously installed section,

adjusting the radial alignment until the four

locking dimples are aligned with the inlets of

the four incline channels of the previous section.

Push the vent component against the previous

section until it fully engages, then twist the

component clockwise running the dimples down

and along the incline channels until they seat at

the end of the channels. This seating position

is indicated by the alignment of the arrow and

dimple as shown in Figure 23.

B. Attach vent components to appliance - Se-

cure Vent SV4.5 Direct-Vent system compo-

nents are unitized concentric pipe components

featuring positive twist lock connections (see

Figure 23).

All of the appliances covered in this document

are ﬁtted with collars having locking inclined

channels. The dimpled end of the vent com-

ponents ﬁt over the appliance collar to create

the positive twist lock connection.

Figure 23

Align the dimple (four places) of

the upper vent section with the

opening of the locking incline

channel on the lower vent section

or appliance collar. Twist vent

component clockwise to engage

and seal until arrow and dimple

align.

Dimple

Locking Incline

Channel

Connected Vent

Sections Arrow

Arrow

Appliance Collar or

Vent Section

Figure 22

Min. 10-1/2"

(267 mm)

Min. 10-1/2"

(267 mm)

Roof

Framing

Ceiling

Framing

Plumb

Bob

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

Figure 26

Figure 27

Figure 29

Figure 28

If the vent system extends more than 5' (1.5

m) above the roof ﬂashing, stabilizers may be

necessary. Additional screws may be used at

section joints for added stability. Guide wires

may be attached to the joint for additional sup-

port on multiple joint conﬁgurations.

G. Continue installation of horizontal/inclined

sections - Continue with the installation of the

straight vent sections in horizontal/inclined run

as described in Step C. Install support straps

every 5' (1.52 m) along horizontal/inclined vent

runs using conventional plumber’s tape. It is

very important that the horizontal/inclined run

be maintained in a straight (no dips), slightly

elevated plane. The recommended incline is

approximately 1/4" per foot (20 mm per me-

ter) horizontal, in a direction away from the

ﬁreplace. Use a carpenter’s level to measure

from a constant surface and adjust the support

straps as necessary.

It is important to maintain the required clear-

ances to combustibles: 1" (26 mm) at all sides

for all vertical runs; and 3" (77 mm) at the

top, 1" (26 mm) at sides, and 1" (26 mm) at

the bottom for all horizontal/inclined runs.

H. Frame roof opening - Identify location for

vent at the roof. Cut and/or frame opening per

Roof Framing Chart and Figure 26.

F. Change vent direction to horizontal/inclined

run - At transition from or to a horizontal/in-

clined run, install the SV4.5E45 and SV4.5E90

elbows in the same manner as the straight vent

sections. The elbows feature a twist section to

allow them to be routed about the center axis

of their initial collar section to align with the

required direction of the next vent run element.

Twist elbow sections in a clockwise direction

only so as to avoid the possibility of unlocking

any of the previously connected vent sections.

See Figure 25.

Figure 25

SV4.5E90

(90

Elbow)

8-1/8"

(206 mm)

Swivel Joint

(360

swivel)

4-13/16"

(122 mm)

SV4.5E45

(45

Elbow)

Swivel Joint

(360

swivel)

Storm

Collar

K. Install the vertical termination - The ﬁnal

step involves installation of the SV4.5CGV-1

Vertical Termination. Extend the vent sections

to the height as shown in the "Vertical vent ter-

mination section" on Page 8. The SV4.5CGV-1

Vertical Termination (Figure 29) installs in the

exact same fashion as any other Secure Vent®

section. Align the termination over the end of

the previously installed section, adjusting the

radial alignment until the four locking dimples

of the termination are aligned with the inlets of

the four incline channels of the last vent section.

Push the termination down until it fully engages,

then twist the termination clockwise running the

dimples down and along the incline channels

until they seat at the end of the channels.

I. Install the roof ﬂashing - Extend the vent

sections through the roof structure. Install the

roof ﬂashing over the vent section and posi-

tion such that the vent column rises vertically

(use carpenters level) (Figure 27). Nail along

perimeter to secure ﬂashing or adjust rooﬁng to

overlap the ﬂashing edges at top and sides only

and trim where necessary. Seal the top and both

sides of the ﬂashing with waterproof caulking.

J. Install the storm collar - Install the storm

collar, supplied with the ﬂashing, over the vent/

ﬂashing joint. See Figure 28. Loosen the storm

collar screw. Slide collar down until it meets

the top of the ﬂashing. Tighten the adjusting

screw. Apply non-combustible caulking or

mastic around the circumference of the joint

to provide a water tight seal.

Pitch C D

0/12 10-1/2"

(267 mm)

10-1/2"

(267 mm)

6/12 10-1/2"

(267 mm)

12"

(305 mm)

12/12 10-1/2"

(267 mm)

17-3/4"

(451 mm)

Framing Dimensions for Roof

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

Figure 31 - Rear Vent - ONE 90 DEGREE ELBOW

Figure 30 - Top Vent - STRAIGHT

Figure 32 - Top Vent - TWO 90 DEGREE ELBOWS

VERTICAL VENT FIGURES/TABLES

NOTE: It is very important that the horizontal/

inclined run be maintained in a straight (no

dips), slightly elevated plane. The recommended

incline is approximately 1/4" per foot (20 mm

per meter) horizontal, in a direction away from

the ﬁreplace. The rise per foot run ratios that

are smaller are acceptable all the way down to

at or near level.

NOTE: SV4.5VF (Secure Vent), SF4.5VF (Secure

Flex®) ﬁrestop/spacer must be used anytime

vent pipe passes through a combustible ﬂoor

or ceiling. SV4.5HF (Secure Vent), SF4.5HF (Se-

cure Flex)ﬁrestop/spacer must be used anytime

vent pipe passes through a combustible wall.

NOTE: Two 45 degree elbows may be used in

place of one 90 degree elbow. The same rise

to run ratios, as shown in the venting ﬁgures

for 90 elbows, must be followed if 45 degree

elbows are used.

NOTE: An elbow is acceptable as 1 foot of

vertical rise, except where an elbow is the

only vertical component in the system. (See

Figure 39 on Page 23).

NOTE: Secure Vent® (rigid vent pipe) is shown

in the ﬁgures; Secure Flex® (ﬂexible vent pipe)

may also be used.

A Vent Restrictor, as shown in the ﬁgures on

Page 14, must be used in this application.

Example: If 8 feet of (H) horizontal vent

run is needed, then 4 feet minimum (V)

vertical vent will be required.

This table shows a 1 (V) to 2 (H) ratio.

For every 1 foot of (V) vertical, you are

allowed 2 feet of (H) horizontal run, up

to a maximum horizontal run of 8 feet.

TABLE A

H Maximum V Minimum

feet feet

2(0.610) 1(0.305)

4(1.219) 2(0.610)

6(1.829) 3(0.914)

8(2.438) 4(1.219)

V + H = 40 feet (12.2 meters) Max.

H = 8 feet (2.4 meters) Max.

Ratio V to H ratio is 1:2

(meters) (meters)

Example: If 20 feet of (H) horizontal vent

run is needed, then 4 feet minimum of

(V) vertical vent will be required.

This table shows a 1 (V) to 5 (H) ratio.

For every 1 foot of (V) vertical, you are

allowed 5 feet of (H) horizontal run, up

to a maximum horizontal run of 20 feet.

An elbow is acceptable as 1 foot of

vertical rise except where an elbow is the

only vertical component in the system.

See Figure 39.

NOTE: Install the U-shaped vent restrictor in

any vent run with more than 8 ft. of vertical

rise. See Page 14.

TABLE B

H Maximum V Minimum

feet (meters) feet

5(1.524) Elbow Only

5(1.524) 1(0.305)

10 (3.048) 2(0.610)

15 (4.572) 3(0.914)

20 (6.096) 4(1.219)

V + V1+ H = 40 feet (12.2 m) Max.

H = 20 feet (6.096 meters) Max.

(meters)

WARNING

Under no circumstances, may separate sections of concentric ﬂexible vent

pipe be joined together.

NOTE: Install the U-shaped vent restrictor in any vent

run with more than 8 ft. of vertical rise. See Page 14.

Max. 40 ft

(12.2 m)

*When using

Secure Flex, use

Ceiling Firestop/

Spacer SF4.5VF.

Ceiling

Firestop/

Spacer

SV4.5VF*

Ceiling

Firestop/Spacer

SV4.5VF*

*When using Secure Flex, use

Ceiling Firestop/Spacer

SF4.5VF.

Ceiling

Firestop/Spacer

SV4.5VF*

Wall

Firestop/Spacer

SV4.5HF**

*When using Secure Flex, use

Ceiling Firestop/Spacer SF4.5VF.

**When using Secure Flex, use

Wall Firestop/Spacer SF4.5HF.

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

Figure 34 - Top Vent - THREE ELBOWS

TABLE C

H+H1Maximum HMaximum V Minimum

feet feet feet

5(1.524) 2(0.610) 1(0.305)

10 (3.048) 4(1.219) 2(0.610)

15 (4.572) 6(1.829) 3(0.914)

20 (6.096) 8(2.438) 4(1.219)

V + V1+ H + H1 = 40 feet (12.2 m) Max

H = 8 feet (2.438 meters) Max.

H + H1= 20 feet (6.096 meters) Max.

(meters) (meters)

(meters)

Example: If 20 feet of (H) horizontal vent run is needed,

then 4 feet minimum of (V) vertical vent will be required.

This table shows a 1 (V) to 5 (H) ratio. For every 1 foot of

(V) vertical, you are allowed 5 feet of (H) horizontal run, up

to a maximum horizontal run of 20 feet.

NOTE: Install the U-shaped vent restrictor in any vent run with

more than 8 ft. of vertical rise. See Page 14.

TABLE D

H +H1Maximum V Minimum

feet feet

5(1.524) Elbow Only

5(1.524) 1(0.305)

10 (3.048) 2(0.610)

15 (4.572) 3(0.914)

20 (6.096) 4(1.219)

H + H1 = 20 feet (6.096 m) Max.

V + V1 + H + H1 = 40 ft. (12.192 m) Max.

(meters) (meters)

Example: If 20 feet of (H) horizontal vent run is needed, then 4 feet

minimum of (V) vertical vent will be required.

This table shows a 1 (V) to 5 (H) ratio. For every 1 foot of (V) verti-

cal, you are allowed 5 feet of (H) horizontal run, up to a maximum

horizontal run of 20 feet.

An elbow is acceptable as 1 foot of vertical rise except where an

elbow is the only vertical component in the system. See Figure 39.

NOTE: Install the U-shaped vent restrictor in any vent run with more than

8 ft. of vertical rise. See Page 14.

VERTICAL VENT FIGURES/TABLES

(continued)

Figure 33 - Rear Vent - THREE ELBOWS

Ceiling

Firestop/Spacer

SV4.5VF*

Wall

Firestop/Spacer

SV4.5HF**

*When using Secure Flex, use

Ceiling Firestop/Spacer SF4.5VF.

**When using Secure Flex, use

Wall Firestop/Spacer SF4.5HF.

Ceiling

Firestop/Spacer

SV4.5VF*

Ceiling

Firestop/Spacer

SV4.5VF* Wall

Firestop/Spacer

SV4.5HF**

*When using Secure Flex, use

Ceiling Firestop/Spacer SF4.5VF.

**When using Secure Flex, use

Wall Firestop/Spacer SF4.5HF.

Installation and Operation Instructions

900357-01, 09/2016

Innovative Hearth Products

AltairTM Direct-Vent Gas Fireplace

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