Lennox Hearth ADAGIO-MP User Manual
INSTALLATION INSTRUCTIONS MANUAL
US
TM
Direct-Vent Gas
Fireplace Heaters
Millivolt Models ..Electronic Model
ADAGIO-MN
ADAGIO-MP
Installer: Leave This Manual With The Appliance.
Consumer: Retain This Manual For Future Reference.
A French manual is available upon request. Order P/N 850,044CF.
Ce manuel d’installation est disponible en francais, simplement
en faire la demande. Numéro de la pièce 850,044CF.
..... ADAGIO-EN
P/N 850,044M Rev. D, 06/2008
In the Commonwealth of Massachusetts:
• Installation must be performed by a licensed plumber or gas fitter
• See Table of Contents for location of additional Commonwealth of
Massachusetts requirements
Report No. 116-F-48-5
Adagio™ Series
These appliances may be installed in an aftermarket permanently located, manufactured (mobile) home, where
not prohibited by local codes. 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.
WARNING: If the information in these instructions
are not followed exactly, a fire or explosion may
result causing property damage, personal injury
or loss of life.
Do not store or use gasoline or other flammable
vapors or liquids in the vicinity of this or any other
appliance.
WHAT TO DO IF YOU SMELL GAS:
• Do not light any appliance.
• Do not touch any electrical switch; do not
Use any phone in your building.
• Immediately call your gas supplier from a
neighbor’s phone. Follow your gas supplier's
instructions.
• If your gas supplier cannot be reached, call
the fire department.
AVERTISSEMENT : S’assurer de bien suivre les instructions données dans ce guide pour minimiser les risques
d’incendie ou d’explosion pouvant entraîner des dommages matériels, des blessures ou la mort.
Ne pas entreposer ni utiliser d’essence ou d’autres produits
ou liquides inflammables à proximité de cet appareil ou
de tout autre appareil de chauffage.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d’allumer l’appareil.
• Ne pas toucher aux interrupteurs électriques; ne pas
utiliser un téléphone dans le bâtiment.
• Aller immédiatement chez un voisin pour téléphoner
au fournisseur du gaz et suivre leurs instructions.
• Si le fournisseur de gaz n’est pas disponible, appeler
les pompiers.
Installation and service must be performed by a qualified installer, service agency or the gas supplier.
L’installation et l’entretien doivent être assurés par un
installateur certifié, une société de service spécialisée
ou le fournisseur de gaz.
TABLE OF CONTENTS
Packaging .........................................Page 2
Introduction ......................................Page 2
General Information ..........................
Appliance and Vent Clearances ........
New York City, New York (MEA) ........
Requirements for Commonwealth
of Massachusetts ............................
Location ............................................Page 5
Cold Climate Insulation .....................
Manufactured Home Requirements ..
Appliance and Vent Clearances .........
Vent Termination Clearances ............
Typical Installation Sequence ...........
Detailed Installation Steps .................
Step 1. Framing ...............................
Framing Specifications ......................
Fireplace Specifications .....................
Facade Specifications ........................
Step 2. Routing Gas Line ................
Step 3. Install the Vent System .......
Vertical Termination Systems ............
Vent Section Length Chart ................
Vertical Vent Tables and Figures ........
Horizontal Termination System .........
Horizontal Vent Tables and Figures ...
Venting Using Flexible Vent Pipe .......
Step 4. Field Wiring .........................
Step 5. Optional Blower Kit Wiring ..
Step 6. Removing Glass Door ..........
Step 7. Connecting Gas Line .............
Step 8. Install Firebox Liner Kit .........
Step 9. Installing Logs .....................
Step 10. Checking Unit Operation .....
Step 11. Burner Adjustments ............
Finishing Requirements ....................
Hearth Extension ...............................
Installation Accessories ....................
Gas Conversion Kits ..........................
This manual is part of a set of two supporting
this product. Refer to manual 875,037M for
Care and Operation.
Please read and understand these
instructions before beginning your
installation.
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PACKAGING
The assembled vented gas fireplace heater is
packaged with the following:
1 - The logs are packaged in a carton located
within the firebox.
2 - One plastic bag of glowing embers, located
in the bottom compartment.
3 - One envelope containing the litera
ture package, which consists of the
care and operation manual, installation
instructions manual and the warranty. The
envelope is located in the bottom compart
ment.
4 - One log support bracket is located inside
the firebox of the appliance.
INTRODUCTION
These fireplaces are designed, tested and listed
for operation and installation with, and only with,
Secure Vent™ Direct Vent System Components,
Secure Flex™ Flexible Vent Components manu-
factured by Security Chimneys International and
Z-Flex™ Model GA Venting Systems, listed to
UL1777 and ULCS635 manufactured by Flex
master Canada Limited. These approved vent
system components are labeled for identifica
tion. DO NOT use any other manufacturer's vent
components with these appliances.
Millivolt appliances are designed to operate on
natural or propane gas. A millivolt gas control
valve with piezo ignition system provides safe,
efficient operation. External electrical power
is required to operate the optional blower if
installed in these units.
Electronic appliances are designed to operate on
natural or propane gas. An electronic intermit
tent pilot ignition system provides safe, efficient
operation. External electrical power is required
to operate these units.
These appliances comply with National Safety
Standards and are tested and listed by OMNITest Laboratories (Report No.
to ANSI Z21.88 (in Canada, CSA-2.33), and
CAN/CGA-2.17-M91 (Gas-Fired Appliances For
Use At High Altitudes) in both USA and Canada,
as vented gas fireplace heaters.
Both millivolt and electronic versions of
these appliances are listed by OMNI-Test
Laboratories for installation in bedrooms and
manufactured (mobile) homes.
116-F-48-5)
These fireplaces are designed as supplemen
tal heaters. Therefore, it is required to have
an alternate heat source when installed in a
dwelling.
The 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-latest
-
edition, or the Canadian Electrical Code, CSA
C22.1-latest edition.
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
Improper installation, adjustment, 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.
GENERAL INFORMATION
Note: Installation and repair should be performed by a qualified service person. The appliance should be inspected annually by a qualified
professional service technician. More frequent
-
inspections and cleanings may be required due to
excessive lint from carpeting, bedding material,
etc. It is imperative that the control compartment,
burners and circulating air passage ways of the
appliance be kept clean.
S'assurer que le brùleur et le compartiment des
commandes sont propres. Voir les instructions
d'installation et d'utilisation qui accompagnent
l'appareil.
Provide adequate clearances around air open
ings and adequate accessibility clearance for
service and proper operation. Never obstruct
the front openings of the appliance.
-
-
-
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 edi-
2
tion, or the Natural Gas and Propane Installation
Code, CAN/CSA-B149-latest edition.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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.
Millivolt Models -
Millivolt models come standard with the manu
ally-modulated gas valve; flame appearance and
heat output can be controlled at the gas valve.
Input of millivolt models is shown in the fol
lowing table:
Input (BTU/HR) Manually-Modulated Gas
Valves (millivolt models)
Model NATURAL GAS
ADAGIO-MN
ADAGIO-MP
(BTU / HR)
13,000 high
10,000 low
-------------
PROPANE GAS
(BTU / HR)
-------------
13,000 high
10,000 low
Table 1
Manifold Gas Supply Pressure
(all models)
Fuel # Low High
Natural
Gas
-
Propane
Table 4
-
(Lo) 2.2" WC
(.55 kPa)
(Lo) 6.3" WC
(1.57 kPa)
(Hi) 3.5" WC
(Hi) 10.0" WC
(2.49 kPa)
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.
These appliances must be isolated from the
gas supply piping system (by closing their
individual manual shut-off valve) during any
pressure testing of the gas supply piping
system at test pressures equal to or
than 1/2 psig (3.5 kPa).
(.87 kPa)
less
WARNING
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.
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 con
tinued service in the event of a power outage.
Do not use these appliances if any part has
been under water. Immediately call a qualified,
professional service technician to inspect the
appliance and to replace any parts of the control
system and any gas control which have been
under water.
-
Electronic Models -
Electronic models have a manually modulated
gas valve. Input of electronic models is shown
in the following table:
Input (BTU/HR) Electronic Models
Model NATURAL GAS
ADAGIO-EN
ADAGIO-EP
if field converted
(BTU / HR)
13,000 high
10,000 low
-------------
PROPANE GAS
(BTU / HR)
-------------
13,000 high
10,000 low
Table 2
Gas Pressure - All Models
Tables 3 and 4 show the appliances' inlet and
manifold gas pressure.
Inlet Gas Supply Pressure
(all models)
Fuel # Minimum Maximum
Natural Gas
Propane
5.0" WC
(1.24 kPa)
11.0" WC
(2.74 kPa)
10.5" WC
(2.61 kPa)
13.0" WC
(3.23 kPa)
Table 3
These appliances and their individual shut-off
valves must be disconnected from the gas
supply piping system during any pressure
testing of that system at pressures
greater
than 1/2 psig (3.5 kPa).
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 (See
Table 5). For elevations
above 4500 feet, contact your gas supplier
or qualified service technician. Install the
appliance according to the regulations of the
local authorities having jurisdiction and, in the
USA, the National Fuel Gas Code NFPA 54 /
ANSI Z223.1 - latest edition or , in Canada, the
CAN1-B149.1 and .2 codes - latest edition.
Table 5 shows the gas orifice size required
for the elevations indicated.
Burner Orifice Sizes
Elevation 0-4500 feet ( 0-1372 meters)
Model
Series
ADAGIO-MN
ADAGIO-MP
ADAGIO-EN
ADAGIO-EP
if field converted
Nat.Gas
drill size (inches)
#51 -------------
------------- #58
#51 -------------
-------------
drill size (inches)
Propane
#58
Table 5
Ne pas se servir de cet appareil s'il a été plongé
dans l'eau, complètement ou en partie. Appeler
un technicien qualifié pour inspecter l'appareil et
remplacer toute partie du système de contrôle
et toute commande qui ont été plongés dans
l'eau.
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 les types de gaz indiqués sur la plaque
signalétique. Ne pas l'utiliser avec d'autres
gaz sauf si un kit de conversion certifié est
installé.
These appliances must not be connected to a
chimney or flue serving a separate solid fuel
burning appliance.
Carbon Monoxide Poisoning: Early signs of
carbon monoxide poisoning are similar to the
flu with headaches, dizziness and/or nausea.
If you have these signs, obtain fresh air immediately. Have the appliance serviced by a
qualified technician as it may not be operating
correctly. Some people are more affected by
carbon monoxide than others. These include
pregnant women, people with heart or lung
disease or anemia, those under the influence
of alcohol, and those at high altitudes.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
3
WARNING
Failure to comply with the installation and operating instructions
provided in this document will
result in an improperly installed
and operating appliance, voiding
its warranty. Any change to this
appliance and/or its operating
controls is dangerous. Improper
installation or use of this appliance can cause serious injury or
death from fire, burns, explosion
or carbon monoxide poisoning.
WARNING
Children and adults should be
alerted to the hazards of high
surface temperatures and should
stay away to avoid burns or clothing ignition. Use caution around
the appliance to avoid burns or
clothing ignition. Young children
should be carefully supervised
when they are in the same room
as the appliance.
Note: An Optional Screen Door
or Screen Panel for the glass is
available (see Care and Operations Manual for ordering information).
WARNING
Do not place clothing or other
flammable materials on or near
this appliance.
AVERTISSEMENT
Surveiller les enfants. Garder les
vêtements, les meubles, l'essence
ou autres liquides à vapeur inflammables lin de l'appareil.
NEW YORK CITY, NEW YORK (MEA)
Installation of these fireplaces are approved
for installation in New York City in the US state
of New York.
4
REQUIREMENTS FOR THE COMMONWEALTH OF MASSACHUSETTS
Note: The following requirements reference
various Massachusetts and national codes
not contained in this document.
For all side wall horizontally vented gas fueled
equipment installed in every dwelling, build
ing or structure used in whole or in part for
residential purposes, including those owned
or operated by the Commonwealth and where
the side wall exhaust vent termination is less
than seven (7) feet above finished grade in the
area of the venting, including but not limited to
decks and porches, the following requirements
shall be satisfied:
Installation Of Carbon Monoxide Detectors
At the time of installation of the side wall
horizontal vented gas fueled equipment, the
installing plumber or gasfitter shall observe
that a hard wired carbon monoxide detector
with an alarm and battery back-up is installed
on the floor level where the gas equipment is to
be installed. In addition, the installing plumber
or gasfitter shall observe that a battery operated
or hard wired carbon monoxide detector with
an alarm is installed on each additional level
of the dwelling, building or structure served
by the side wall horizontal vented gas fueled
equipment. It shall be the responsibility of the
property owner to secure the services of quali
fied licensed professionals for the installation of
hard wired carbon monoxide detectors.
In the event that the side wall horizontally
vented gas fueled equipment is installed in a
crawl space or an attic, the hard wired carbon
monoxide detector with alarm and battery
back-up may be installed on the next adjacent
floor level.
In the event that the requirements of this subdi
vision can not be met at the time of completion
of installation, the owner shall have a period
of thirty (30) days to comply with the above
requirements; provided, however, that during
said thirty (30) day period, a battery operated
carbon monoxide detector with an alarm shall
be installed.
Approved Carbon Monoxide Detectors
Each carbon monoxide detector as required
in accordance with the above provisions shall
comply with NFPA 720 and be ANSI/UL 2034
listed and IAS certified.
Signage
A metal or plastic identification plate shall be
permanently mounted to the exterior of the
building at a minimum height of eight (8) feet
above grade directly in line with the exhaust vent
terminal for the horizontally vented gas fueled
heating appliance or equipment. The sign shall
read, in print size no less than one-half (1/2)
inch in size,
KEEP CLEAR OF ALL OBSTRUCTIONS.”
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
“GAS VENT DIRECTLY BELOW.
Inspection
The state or local gas inspector of the side
wall horizontally vented gas fueled equipment
shall not approve the installation unless, upon
inspection, the inspector observes carbon
monoxide detectors and signage installed in
accordance with the provisions of 248 CMR
5.08(2)(a)1 through 4.
-
Exemptions
The following equipment is exempt from 248
CMR 5.08(2)(a)1 through 4:
• The equipment listed in Chapter 10 entitled
“Equipment Not Required To Be Vented”
in the most current edition of NFPA 54 as
adopted by the Board; and
• Product Approved side wall horizontally
vented gas fueled equipment installed in a
room or structure separate from the dwell
ing, building or structure used in whole or
in part for residential purposes.
MANUFACTURER REQUIREMENTS
Gas Equipment Venting System Provided
When the manufacturer of Product Approved
side wall horizontally vented gas equipment
provides a venting system design or venting
system components with the equipment, the
instructions provided by the manufacturer for
installation of the equipment and the venting
system shall include:
• Detailed instructions for the installation of
-
-
the venting system design or the venting
system components; and
• A complete parts list for the venting system
design or venting system.
Gas Equipment Venting System NOT Provided
When the manufacturer of a Product Approved
side wall horizontally vented gas fueled equip
ment does not provide the parts for venting
the flue gases, but identifies “special venting
systems”, the following requirements shall be
satisfied by the manufacturer:
• The referenced “special venting system”
instructions shall be included with the appli
ance or equipment installation instructions;
and
• The “special venting systems” shall be
Product Approved by the Board, and the
instructions for that system shall include a
parts list and detailed installation instruc
tions.
A copy of all installation instructions for all
Product Approved side wall horizontally vented
gas fueled equipment, all venting instructions,
all parts lists for venting instructions, and/or all
venting design instructions shall remain with
the appliance or equipment at the completion
of the installation.
• 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.
-
-
-
-
-
LOCATION
HORIZONTAL VENT
(Top Vent
Application)
VERTICAL VENT
(Top Vent
Application)
RECESSED
INSTALLATION
TOP VENT INSTALLATIONS
HORIZONTAL VENT
(Top Vent
Application)
VERTICAL VENT
(Top Vent
Application)
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, etc. (Figure 1). The location should also be free of electrical, plumbing or other
heating/air conditioning ducting.
MANUFACTURED HOME
REQUIREMENTS
This appliance may be installed in an aftermarket permanently located, manufactured
home (USA only) or mobile home, where not
prohibited by local codes.
The appliance should be mounted on a fully supported 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, etc., a metal or wood barrier
covering the entire bottom surface must be used.
Top View
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.
Figure 1 - Typical Locations
COLD CLIMATE INSULATION
Cet appareil peut être installé dans un maison
préfabriquée (É.-U. seulement) ou mobile déjà
installée à demeure si les réglements locaux
le permettent.
Manufactured Home installations must be
installed in accordance with these instructions
and the following standards / codes:
• Manufactured Home Construction and
Safety Standard Title 24 CFR, Part 3280, or
the current Standard for Fire Safety Criteria
for Manufactured Home Installations, Sites
and Communities ANSI / NFPA 501A in the
USA, and CAN / CSA Z240 MH Mobile Home
Standard in Canada
• (when applicable) The American National
Standard for Manufactured Homes (NCSBCS
/ ANSI A225.1 - latest edition).
CAUTIONS
Ensure that the cross members
are not cut or weakened during
installation. The structural integrity of the manufactured home
floor, wall, and ceiling / roof must
be maintained. This appliance
must be grounded 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.
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 openings should be caulked or stuffed with unfaced fiberglass insulation. In
cold climates, if the fireplace is being installed on a cement slab, a sheet of plywood or other raised
platform can be placed underneath to prevent conducting cold up into the room. It also helps to
sheetrock inside surfaces and tape for maximum air tightness and caulk firestops.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
5
APPLIANCE AND VENT CLEARANCES
12 (305) Mantel
10 (254) Mantel
8 (203) Mantel
6 (152) Mantel
4 (102) Mantel
16
(406)
12
(305)
10
(254)
2 (51) Mantel
Top Of
Appliance
6
(152)
8
(203)
Mantel Clearances
Inches (mm)
14
(356)
17"
(432)
14" (356)
Min. Distance to
Unprotected Side Wall
45
°
Combustible Materials Allowed
In Shaded Area “Safe Zone”
2” (51) Minimum
Clearance to Combustibles
12" (305)
5"
(127)
Min. Distance
8-1/4” (210) to
Protected Side Wall
Top View Of
Fireplace
Side
Wall
Side
Wall
inches (millimeters)
Do not insulate the
space between the
appliance and the
area above it.
*Shelf Height
(see table)
Drywall
Header
Top Spacers
4” �
(102mm)
The appliance is approved with zero clearance to
combustible materials on all sides (as detailed
in
Table 6), 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 1.
MINIMUM CLEARANCES Inches (millimeters)
Back 1/2 in. (13 mm)
Sides 1/2 in. (13 mm)**
Top Spacers 0 in. (0 mm)
Floor 0 in. (0 mm)***
From Bottom of Unit
64 in. (1626 mm)
To Ceiling
Vent 3 (76) Top *
1 (25.4) Sides & Bottom
SERVICE CLEARANCES Feet (meters)
Front 3 feet (0.9 meters)
Table 6
MODELS
Adagio-MN
Adagio-MP
Adagio-EN
Combustible Shelf Height
Inches (millimeters)
Top Vent - with One 90 Degree Elbow
Secure Vent Secure Flex (flex elbow)
*52 (1321) *53-3/4 (1365)
* Includes 4” clearance to combustibles
(required above vent components)
u
4" clearance is required above the elbow
for installations that require an elbow at the
top of the unit and that ends in a horizontal
termination.
Figure 2 - Minimum Shelf Height Above Fireplace
*Note: 3 in. (75 mm) above any horizontal vent
component. See Note u in Figure 2.
**Note: See Page 9, Step 1 for clearance
requirements to the nailing flange located at
each side of the unit and any screw heads
adjacent to it.
***Note: To ensure proper fit of the facade
(required - sold separately). The appliance
base will need to be elevated 3/4" minimum
above the floor to allow for the proper fit of the
facade (i.e. use 3/4" board as platform).
SHELF HEIGHT
To provide for the lowest possible shelf surface, the venting attached to the top vent
should be routed in a way to minimize ob-
6
structions to the space above the appliance.
Do not insulate the space between the appliance and the area above it (see Figure 2).
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 the table in Figure 2.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Figure 3 - Mantel Clearances - Inches (millimeters)
Combustible materials
may project beyond the
sides of the fireplace
opening as long as
they are kept within
the shaded areas illustrated here.
At 14" minimum side
wall clearance, a
combustible wall may
project to any length
Side Wall Clearances
Figure 4
V
V
V
V
V
F
C
B
B
A
B
H
M
I
X
V
D
V
A
A
A
V
L
B
J
X
E
V
A
G
*18”
18”
B
C
C
C
VENT TERMINATION CLEARANCES
* See Item D in the Text Below.
Exterior Wall
Horizontal
Termination
Inside Corner
= Air Supply Inlet
Center Line
of Termination
DETAIL D
Ventilated Soffit
Fixed
Closed
Window
= Vent Terminal
Inside
Corner Detail
Operable
Window
= Area where Terminal is NOT permitted
EXTERIOR HORIZONTAL VENT TERMINATION
CLEARANCE REQUIREMENTS
= 9" in U.S.
= 12" in Canada
3 ft.
3 ft.
Minimum Clearances Canadian Installation * US Installation **
A = Clearance above grade, veranda, porch, deck
or balcony.
B = Clearance to window or door that may be
opened.
C = Clearance to permanently closed window 12 inches (305 mm) recommended to prevent window
12 inches (30 cm) * 12 inches (30 cm) **
6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW),
12 in. (30 cm) for appliances > 10,000 BTU/hr (3kW) and <
100,000 BTU/hr (30kW), 36 inches (91 cm) for appliances
> 100,000 BTU/hr (30kW)*
condensation
6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW),
9 in. (23 cm) for appliances > 10,000 BTU/hr (3kW) and <
50,000 BTU/hr (15kW), 12 inches (30 cm) for appliances
> 50,000 BTU/hr (15kW)*
9 inches (229 mm) to prevent window condensation
D = Vertical clearance to ventilated soffit located
18 inches (458 mm) 18 inches (458 mm)
above the terminal within a horizontal distance of 18
in. (458 mm) from the center line of the terminal
E = Clearance to unventilated soffit 12 inches (30 cm) 12 inches (30 cm)
F = Clearance to outside corner 5 inches (12.7 cm) 5 inches (12.7 cm)
G = Clearance to inside corner 2" (5.08cm) Min. to Non-Combustible - SV4.5HT-2 •
6" (15.24cm) Min. to Combustible - SV4.5HT-2
H = Clearance to each inside of center line extended
above meter / regulator assembly
3 feet (91 cm) within a height of 15 feet above the meter /
regulator assembly *
2" (5.08cm) Min. to Non-Combustible - SV4.5HT-2 •
6" (15.24cm) Min. to Combustible - SV4.5HT-2
3 feet (91 cm) within a height of 15 feet above the meter
/ regulator assembly **
I = Clearance to service regulator vent outlet 3 feet (91 cm) * 3 feet (91 cm) **
J = Clearance to non-mechanical air supply inlet
to building or the combustion air inlet to any other
appliance
K = Clearance to mechanical air supply inlet 6 feet (1.8 meters) * 3 feet (91 cm) above, if within 10 feet (3 m) horizon
L = Clearance above paved sidewalk or paved
driveway located on public property
M = Clearance under veranda, porch, deck or
balcony
6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW), 12
in. (30 cm) for appliances > 10,000 BTU/hr (3kW) and <
100,000 BTU/hr (30kW), 36 inches (91 cm) for appliances
> 100,000 BTU/hr (30kW)*
7 feet (2.13 m) ‡ 7 feet (2.13 m) ‡
12 in. (30 cm) * ‡ 12 in. (30 cm) ** ‡
6 in. (15.2 cm) for appliances < 10,000 BTU/hr (3kW), 9
in. (23 cm) for appliances > 10,000 BTU/hr (3kW) and <
50,000 BTU/hr (15kW), 12 inches (30 cm) for appliances
> 50,000 BTU/hr (15kW)*
tally**
* In accordance with the current CSA-B149.1 National Gas and B149.2 Propane Installation Code - Latest Editions.
** In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Codes - Latest Edition.
‡ 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 2 sides beneath the floor.
• 2" clearance to Non-combustibles for SV4.5HT-2
Figure 5
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
-
7
These instructions should be used as a guide-
12
X
Roof Pitch is X/12
2 FT
MIN.
2 FT MIN.
Lowest
Discharge
Opening
H*
*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 (25.4 mm) Minimum
Clearance to Combustibles
3"
(76 mm)
12"
(305 mm)
Combustible Projection greater
Horizontal Vent Termination Clearances
Combustible Projection
2-1/2”(64mm) or less in length
18"
(457 mm)
Ventilated
Soffit
Unventilated
Soffit
than 2-1/2”(64mm) in length
Side Elevation View
SV4.5HT-2
Termination Kit
SV4.5HT-2
Termination Kit
Side Exterior
Wall
MINIMUM ALLOWABLE
SIDE WALL CLEARANCE
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 noncombustible exterior sidewalls only, if
the SV4.5HT-2 termination is used.
line and do not supersede local codes in any
way. Install vent 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 and
-B149.2 in Canada.
Horizontal Vent Termination Clearances
The horizontal vent termination must have
a minimum of 3" (76 mm) clearance to any
overhead combustible projection of 2-1/2" (64
mm) or less. See
exceeding 2-1/2" (64 mm), see
additional vent location restrictions refer to
Figure 5 on Page 7.
Figure 7. For projections
Figure 5. For
Vertical Vent Termination Clearances
Terminate single vent caps relative to building
components according to
The vent / air intake termination clearances
above the high side of an angled roof is as
shown in the following chart:
Termination Heights For Vents
Above Flat Or Sloped Roofs
Ref. NFPA 54 / ANSI Z223.1, 7.6
Roof Pitch * Feet * Meters
8
Flat to 6/12
6/12 to 7/12
7/12 to 8/12
8/12 to 9/12
9/12 to 10/12
10/12 to 11/12
11/12 to 12/12
Figure 6
Terminate multiple vent terminations according to the installation codes listed at the top
this Page.
of
Figure 6.
1.0 0.3
1.25 0.38
1.5 0.46
2.0 0.61
2.5 0.76
3.25 0.99
4.0 1.22
See Figure 28 on Page 18 for the recess allowances, into
exterior walls, of the square horizontal terminations.
Figure 7
TYPICAL INSTALLATION SEQUENCE
The typical sequence of installation follows,
however, each installation is unique resulting
in variations to those described. See the page
numbers references in the following steps for
detailed procedures.
Step 1. (Page 9) Construct the appliance fram-
ing. Position the appliance within the framing
and secure with nailing brackets.
Step 2. (Page 12) Route gas supply line to
appliance location.
(Page 12) Install the vent system and
Step 3.
exterior termination.
Step 4. (Page 22) Field Wiring
a. Millivolt Appliances –
switch is factory installed.
b. Electronic Appliances – Connect 120 Vac
electrical power to the appliance recep
tacle.
Step 5. (Page 23) Install blower kit (optional
equipment).
Step 6. (Page 23) Remove glass door frame
assembly.
Step 7. (Page 24) Make connection to gas
supply.
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
The operating control
Step 8. BEFORE PROCEEDING TO STEP 9,
INSTALL A FIREBOX LINER KIT PER INSTRUC
TIONS PROVIDED IN THE KIT (REQUIRED
- SOLD SEPARATELY).
Step 9. (Page 25) Install the logs and glowing
embers.
Step 10. (Page 27) Checkout appliance op-
eration.
Step 11. (Page 27) Adjust burner to ensure
proper flame appearance.
DETAILED INSTALLATION STEPS
The appliance is shipped with all gas controls
and components installed and pre-wired. Re
move the shipping carton, exposing the front
glass door. Pull out the two spring loaded
latches securing the glass door (located under
-
the firebox floor). Remove the door by tilt
ing it outward at the bottom and lifting it up
and off. Set the door aside protecting it from
inadvertent damage.
on Page 23.
See Figure 38a and 38b
-
-
-
C
E
D
A
B
7 (178)
�
Step 1. FRAMING
D*
B
VENT FRAMING TOP VENT WITH ONE
90° ELBOW
Framing should be
constructed of 2x4
or larger lumber
2 x 4 Header must be
installed, vertical as shown
to allow proper clearance
from venting components to
combustible header. See
Figure 50 for more
details.
A
C
Platform
**
Inches (mm)
8
(203)
5-1/8
13-1/8
(333)
10-1/2
(267)
(130)
3/4” Minimum from
Finished Floor
Frame these appliances as illustrated in Figure
9, unless the appliance is to be installed in a
corner.
FIREPLACE FRAMING SPECIFICATIONS
Framing With Platform
See
Figure 10 for corner framing installations.
All framing details must allow for a minimum
clearance to combustible framing members as
shown in
Table 6 on Page 6.
If the appliance is to be elevated above floor
level, a solid continuous platform must be
constructed. Headers may be in direct contact
with the appliance top spacers 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 fram
ing members using the unit's nailing flanges
each side of the fireplace front. See
on
Figure 8.
Use 8d nails or their equivalent.
* D shown here is not
dimensioned to the vertical
center of the horizontal
framing. This is to allow for
the required 4" clearance
above the vent and the 1"
required clearance below
the vent. This does not
include the suggested 1/4"
rise per foot for horizontal
runs.
** With the facade installed
(required - sold separately), the appliance base
will need to be elevated a
minimum of 3/4" above the
-
The platform should extend the full width
and depth of the fireplace base.
Figure 9 - Framing
in. 22-1/8 40-1/4 15-3/4 44-1/8
mm 562 1022 400 1121
floor to allow for the proper
fit of the facade (i.e. use
3/4" board minimum as
platform).
Framing Dimensions - All Models
A B C D
Left Side Front Corner of Fireplace Shown
(Right Side Requirements the Same)
Unit Being Secured By Its Nailing
Flanges To The Framing
Frame the opening to the exact dimensions
specified in the framing details in this manual.
Figure 8
Use Top Flange For
5/8” Thick Drywall
Use Center Flange For
1/2” Thick Drywall
Use Bottom Flange
For Flush Mount
Inches (mm)
Top Vent With Horizontal
Termination In A Corner
uWhen installing in a corner configuration, one of
the rear stand-offs will need to be removed.
Corner Framing Dimensions - All Models
in. 22-1/8 41-5/8 29-1/2 10 20-7/8
mm 562 1057 749 254 530
Figure 10 - Corner Framing with Square Termination (SV4.5HT-2)
A B C D E
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
9
Co-axial DV Vent
4-1/2" (114) Inner
7-1/2" (191) Outer
36-23/32
(933)
21-1/16 (535)
1-7/8
(48)
6-1/16
(154)
8-7/32
(209)
1-1/2
(38)
15-1/32
(382)
15-15/32
(393)
7-11/16
(195)
34
(864)
40-1/32
(1017)
20-3/4
(527)
14-3/4 (375)
5-13/32
(137)
FIREPLACE SPECIFICATIONS
Fireplace Dimensions - Inches (millimeters)
Due to Lennox' ongoing commitment to quality, all specifications, ratings and dimensions are subject to change without notice.
Figure 11A
10
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
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