TOA Electronics SSDV-3328 User Manual
US
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 indicated on the rating plate. This
appliance is not convertible for use with other
gases, unless a certified kit is used.
INSTALLATION
INSTRUCTIONS
DIRECT VENT
SSDV-3328 SERIES
DIRECT VENT GAS FIREPLACE HEATERS
P/N 700,043M REV. A 06/2008
MODELS
Millivolt Models Electronic Models
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.
WARNING: IF THE INFORMATION IN THIS MANUAL
IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE,
PERSONAL INJURY OR LOSS OF LIFE.
FOR YOUR SAFETY: Do not store or use gasoline
or other flammables or liquids in the vicinity of
this or any other appliance.
FOR YOUR SAFETY: What to do if you smell gas:
• DO NOT light any appliance.
• DO NOT touch any electrical switches.
• Do not use any phone in your building.
• Immediately call your gas supplier from a
neighbor’s phone. Follow your gas suppliers
instructions.
• If your gas supplier cannot be reached, call
the fire department.
Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
OTL Report No. 116-F-29-5
SSDVT-3328CNM
SSDVR-3328CNM
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
AVERTISSEMENT: ASSUREZ-VOUS DE BIEN
SUIVRE LES INSTRUCTIONS DONNÉ DANS CETTE
NOTICE POUR RÉDUIRE AU MINIMUM LE RISQUE
D'INCENDIE OU POUR ÉVITER TOUT DOMMAGE
MATÉRIEL, TOUTE BLESSURE OU LA MORT.
POUR VOTRE SÉCURITÉ: Ne pas entreposer ni
utiliser d'essence ni d'autre vapeurs ou liquides
inflammables dans le voisinage de cet appareil ou
de tout autre appareil.
POUR VOTRE SÉCURITÉ: Que faire si vous sentez
une odeur de gaz:
• Ne pas tenter d'allumer d'appareil.
• Ne touchez à aucun interrupteur. Ne pas vous
servir des téléphones se trouvant dans le batiment où vous vous trouvez.
• Evacuez la piéce, le bâtiment ou la zone.
• 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 dos incendies.
SSDVT-3328CNE
SSDVR-3328CNE
A French manual is available upon request. Order P/N 700,043CF
Ce manuel d’installation est disponible en francais, simplement en
faire la demande. Numéro de la pièce 700,043CF.
L'installation et service doit être exécuté par un
qualifié installeur, agence de service ou le fournisseur de gaz.
TABLE OF CONTENTS
Packaging .........................................Page 2
Introduction ......................................Page 2
General Information ..........................Page 2
Requirements for the
Commonwealth of Massachusetts .Page 4
New York City Approval .....................Page 4
Cold Climate Insulation .....................Page 5
Location ............................................Page 5
Manufactured Home Requirements ..Page 6
Vent Termination Clearances ............Page 7
Minimum Clearances to Combustibles ..Page 9
Detailed Installation Steps .................Page 10
Typical Installation Sequence ...........Page 10
Step 1. Framing .................................Page 10
Step 2. Routing Gas Line ..................Page 10
Fireplace Specifications .....................Page 11
Step 3. Install the Venting System ....Page 13
Vertical Termination Systems ............Page 14
Vent Section Length Chart ................Page 14
Vertical Vent Tables and Figures ........Page 17
Horizontal Termination System .........Page 19
Horizontal Vent Tables and Figures ...Page 21
Venting Using Flexible Vent Pipe .......Page 24
Step 4. Field Wiring ...........................Page 25
Step 5. Optional Blower Kit Wiring ....Page 25
Step 6. Connecting Gas Line .............Page 26
Step 7. Checking Unit Operation .......Page 27
Step 8. Installing Logs .....................Page 28
Step 9. Installing Glass Door ............Page 30
Step 10. Burner Adjustments ............Page 31
Step 11. Hood Installation .................Page 31
Finishing Requirements ....................Page 31
Installation Accessories ....................Page 32
Gas Conversion Kits ..........................Page 34
This installation manual will help you obtain
a safe, efficient, dependable installation for
your appliance and vent system.
Please read and understand these
instructions before beginning your
installation.
2
The Millivolt appliances have a millivolt
gas control valve with piezo ignition system
which provides safe, efficient operation. If any
optional accessories that will require electrical
power are to be installed, the electrical power
must be provided at the time of appliance
installation.
The Electronic appliances have an electronic
intermittent pilot ignition system which
provides safe, efficient operation. External
electrical power is required to operate these
appliances.
PACKAGING
The assembled vented gas fireplace heater is
packaged with:
1 - One log set located in firebox area.
2 - One envelope containing the literature pack-
age which consists of the homeowner's
manual, installation instructions, and warranty; envelope is located in the control
compartment.
3 - One vent restrictor to be applied as shown on
Page 13; restrictor is taped to the envelope.
4 - One hood located behind the top panel.
5 - One bag of decorative volcanic stone located
in the control compartment.
6 - One bag of glowing embers located in the
control compartment.
INTRODUCTION
These vented gas fireplace heaters are sealed
combustion, air circulating gas fireplaces designed for residential applications.
Approved Vent Components - These fireplaces
are designed, tested and listed for operation
and installation with, the following vent components only:
• Secure Vent™ Direct Vent System Compo-
nents,
• Secure Flex™ Flexible Vent Components
manufactured by Security Chimneys Inter-
national and
• Z-FLEX™ Model GA Venting Systems listed
to UL1777 and ULCS635 manufactured by
Flexmaster Canada Limited.
These approved vent system components are
labeled for identification. DO NOT use any other
manufacturer’s vent components with these
appliances. Use only the correct size venting
(4-1/2" inner & 7-1/2" outer).
These appliances comply with National Safety
Standards and are tested and listed by OMNITest Laboratories, Inc. (Report No. 116-F-29-5)
to ANSI Z21.88 (in Canada, CSA-2.33), and
CAN/CGA-2.17-M91 in both USA and Canada,
as vented gas fireplace heaters.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Both millivolt and electronic versions of
these appliances are listed by OMNI-Test
Laboratories for installation in bedrooms
and Manufactured Homes.
Manufactured Homes -
See Manufactured Home Requirements on
Page 6 for additional information.
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.
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.
Misc. Codes / Standards -
Installation must conform to local codes. In the
absence of local codes, installation must comply
with the current National Fuel Gas Code, ANSI
Z223.1. (In Canada, the current CAN-1 B149
installation code).
The appliance, when installed, must be electrically grounded & 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.
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 from carpeting,
bedding material, etc.
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 openings and adequate accessibility clearance for
service and proper operation. Never obstruct
the front openings of the appliance.
These appliances are designed to operate on
natural or propane gas only. To operate on
Propane Gas a field converion is necessary
(see Pages 34 to 36). Do not use any other
fuels. 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 heat source when installed in a
dwelling.
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.
Millivolt models come standard with a manually-modulated gas valve; flame appearance and
heat output can be controlled at the gas valve.
The BTU Input for these appliances is shown
in Table 1.
Input (BTU) Manually-Modulated Gas
Valves (millivolt models)
NATURAL & PROPANE GAS
Models Input Rate (BTU / HR)
SSDVT/R-3328
17,500 high
13,500 low
Table 1
Electronic Models
Electronic models have a fixed rate gas valve.
Input of electronic models is shown in Table 2.
Electronic Models with Fixed Rate Gas Valve
Natural and Propane Gas
Model Series Input Rate (BTU / HR)
SSDVT/R-3328 17,500
Table 2
Gas Pressure - All Models
Tables 3, 4 and 5 show the appliances' gas
pressure requirements:
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
Manifold Gas Supply Pressure
(millivolt models)
Fuel # Low High
Natural
Gas
Propane
(Lo) 2.2" WC
(.55 kPa)
(Lo) 6.3" WC
(1.57 kPa)
(Hi) 3.5" WC
(.87 kPa)
(Hi) 10.0" WC
(2.49 kPa)
Table 4
Manifold Gas Supply Pressure
(electronic models)
Fuel # Manifold Pressure
Natural Gas 3.5" WC (.87 kPa)
Propane 10.0" WC (2.49 kPa)
Table 5
Test gauge connections are provided on the
front of the millivolt gas control valve, identified IN for the inlet and OUT for the manifold
side. A 1/8" NPT Test gauge connection
is provided at the inlet and outlet side of
the electronic gas control 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 less than
1/2 psig (3.5 kPa).
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 sizes (marked with an "*" in
Table 6 ). 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.
Burner Orifice Sizes
Elevation 0-4500 feet ( 0-1372 meters)
Model
Series
SSDVT/R-3328
* Standard size installed at factory
Natural
Gas
drill size (inches)
#45
*
Propane
Gas
drill size (inches)
(0.048")
*
Table 6
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
3
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IN
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SIT Millivolt Gas Valve
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Honeywell Electronic Gas Valve
Massachusetts Horizontal Vent Requirements
HI/LO Variable
Flame Height
Adjustment
Pilot Adjustment
Screw
Manifold Pressure Tap
Inlet Pressure Tap
Main Gas
Control Knob
OFF/PILOT/ON
Figure 1
Honeywell Millivolt Gas Valve
PIEZO
PILOT
ADJUSTMENT
SCREW
TP/TH
TP
TH
WIRING
TERMINALS
IGNITER
GAS CONTROL
KNOB
INLET
PRESSURE
TAP
Figure 2
CONVERTIBLE
HI/LO REGULATOR
(adjusts flame height
and heat output)
OUTLET
PRESSURE
TAP
Manifold Pressure
Port
ON / OFF Switch
Inlet
Pressure
Port
Electronic Gas
Control Valve
Figure 3
NEW YORK CITY, NY AND MASSACHUSETTS REQUIREMENTS
These appliances are approved for installation in the following USA locations listed
in the following:
Massachusetts -
Installation of these fireplaces are approved for installation in the US state of
Massachusetts if the following additional
requirements are met -
• Installation and repair must be done by
a plumber or gas fitter licensed in the
Commonwealth 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.
In the Commonwealth of Massachusetts,
horizontal 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 IAS 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.”
New York City, New York
These fireplaces are approved for installation in New York City in the US state of
New York.
4
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
COLD CLIMATE INSULATION
For cold climate installations, seal all cracks
around the 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 the appliance rests, if floor is
above ground level.
Gas line holes and other openings 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 conducting cold up into
the room. It also helps to
surfaces and tape for maximum air tightness
and caulk firestops.
sheetrock inside
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. Consideration should be
given to traffic ways, furniture, draperies, etc.,
due to elevated surface temperatures (see
Figure 4 ). 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. Utility
shelves like these are commonly used for locating television sets and decorative plants. Be
aware that this is a heat producing appliance.
Objects placed above the unit are exposed to
elevated temperatures.
To provide for the lowest possible shelf surface
use the alternate rear vent outlet with attached
venting routed in a way to minimize obstructions
to the use of the space above the appliance. Do
not insulate the space between the appliance
and the area above it. See Figure 9. The mini-
mum 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 9.
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.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
5
MANUFACTURED HOME
(Rear Vent
VERTICAL VENT
Application)
(Rear Vent Application
HORIZONTAL VENT
without a chase)
HORIZONTAL VENT
(Top Vent
Application)
HORIZONTAL VENT
(Rear Vent Application
With a chase)
VERTICAL VENT
(Top Vent
Application)
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REQUIREMENTS
This appliance may be installed in an aftermarket permanently located, manufactured
home (USA only) or mobile home, where not
prohibited by local codes.
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).
Figure 4 - Typical Locations
6
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.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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
VENT TERMINATION CLEARANCES
3"
(76 mm)
12"
(305 mm)
Termination Kit
Combustible Projection
greater than inches in length
Combustible Projection
2-1/2 inches or less in length
18"
(457 mm)
Ventilated
Soffit
Unventilated
Soffit
Horizontal Vent Termination Clearances
2-1/2
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 noncombustible exterior
sidewalls only, if the
SV4.5HT-2 or SF4.5HT-2
termination
is used.
Horizontal Vent Termination Clearances
These instructions should be used as a guideline 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.
Terminate multiple vent terminations according to
the installation codes listed above.
Terminate single vent caps relative to building
components according to Figure 5.
Vertical 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. For projections exceeding 2 1/2" (64 mm), see
Figure 6. All horizontal terminations may be located as close as 6" (152mm) to any combustible
exterior sidewall. This distance may be decreased to 2" (51mm) if the SV4.5HT-2 or SF4.5HT-2
termination is used and the exterior sidewall is non-combustible only. For additional vent location
restrictions refer to Figure 7 on Page 8.
Note - See Figure 33 on Page 20 for the exterior wall recess allowances of the square horizontal termination.
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
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
Figure 5
Figure 6
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
Side Elevation View
7
V
V
V
V
V
F
C
Fixed
Closed
Window
Operable
Window
B
B
A
B
H
M
I
= Area where Termination is not Permitted
= Air Supply Inlet
X
= Vent Termination
V
D
V
3 ft.
3 ft.
A
A
A
= 9 in U.S.
= 12 in Canada
V
L
B
J
X
V
A
G
Inside
Corner Detail
B
C
C
C
*18
Ventilated Soffit
Horizontal
Termination
Detail D
Exterior Wall
Center Line
of Termination
18
Inside Corner
*
See Item D in the Text Below.
V
P
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N
N
Q
NOTE: Local Codes Or Regulations
May Require Different Clearances.
NOTE: Location Of The Vent Termination
Must Not Interfere With Access To The
Electrical Service.
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EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS
8
Figure 7
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
MINIMUM CLEARANCES TO COMBUSTIBLES
4 (102)
2
(51)
4
(102)
6
(152)
8
(203)
10
(254)
12
(305)
6 (152)
10 (254)
14 (356)
12 (305)
8 (203)
5 (127)
8-1/4
(209)
14
(356)
12 (305)
19
(483)
Shelf Above Fireplace With Rear Venting
Do not insulate the
space between the
appliance and the
area above it.
Shelf Height
(see table)
*Shelf Height
(see table)
Do not insulate the
space between the
appliance and the
area above it.
Shelf Above Fireplace With Top Venting
Appliance and Vent Clearances
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.
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 front face. See Figure 57 on Page 31.
Non-combustible materials, such as surrounds and other appliance trim, may be installed on the
appliance front face with these exceptions: they must not cover any portion of the removable glass
panel or louvers.
Vertical installation clearances to combustible mantels vary according to the depth of the mantel.
See Figure 8. 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 hood.
Mantel Depth
Top of
Appliance
inches (millimeters)
The appliance is approved with zero clearance to
combustible materials on all sides (as detailed
in Table 8), 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.
Refer to Figure 4.
MINIMUM CLEARANCES Inches (millimeters)
Back 1/2 (13)
0 (0) Spacers
Sides 1/2 (13)
0 (0) Spacers
Top Spacers 0 (0)
Floor 0 (0)
Bottom of Appliance
To Ceiling
64 (1626)
Vent 3 (76) Top *
1 (25.4) Sides & Bottom
SERVICE CLEARANCES Feet (meters)
Front 3 ft. (0.9 m)
Table 8
Figure 8 - Minimum Mantel Clearances
Model No.
SSDVT-3328
SSDVR-3328 N/A N/A 33 1/4 (845) 33 1/4 (845)
* Includes 3” clearance to combustibles (required above vent components)
Figure 9 -
Top Vent - with One 90 Degree Elbow Rear Vent - Straight Out the Back
Secure Vent Secure Flex
*
44-1/8
Shelf Height Minimum Clearances
Hood
Combustible Shelf Height - Inches (millimeters)
Secure Vent Secure Flex
N/A N/A
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
(1121)
(flex elbow)
*45-7/8 (1165)
*Note: 3 in. (75 mm) above any horizontal/inclined vent component.
**Note: See Page 10, Step 1 for clearance
requirements to the nailing flange located
at each side of the unit and any screw heads
adjacent to it.
Minimum Distance to Unprotected Side Wall
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
can project to any
length.
At 8-1/4" side
wall clearance, a
combustible wall
can project 12"
o
45
Top View of
Fireplace
Combustible Materials
Allowed In Shaded
Area “Safe Zone”
Combustible Walls
shown in dark gray
Inches (millimeters)
Protected wall shown in white
Figure 10
9
DETAILED INSTALLATION STEPS
Note: The nailing flanges, combustible members
and screw heads located 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 of this manual.
Side
Framing
Unit Nailing Flange
(No clearance to
combustible
framing is required)
Left Side Front Corner of Fireplace Shown
(Right Side Requirements the Same)
Unit Being Secured By Its Nailing Flanges
To The Framing
The appliance is shipped with all gas controls
and components installed and pre-wired. Remove the shipping carton, exposing the front
glass door. Remove the top and bottom louvered
control panel per instructions on Page 27 (see
Control Compartment Access / Louver Panel
Instructions). Remove the cardboard from
underneath the pressure relief plates, in area
behind top louver panel (see Figure 11). Open
the two latches (located under the firebox floor)
securing the glass door. Remove the door by
tilting it outward at the bottom and lifting it up.
Set the door aside protecting it from inadvertent
damage. See Figure 54 on Page 30.
Pressure Relief Plates
Step 4. (Page 25) Field Wiring
a. Millivolt Appliances – Install the operating
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 5. (Page 25) Install blower kit (optional
equipment).
Step 6. (Page 26) Make connection to gas sup-
ply.
Step 7. (Page 27) Checkout appliance operation.
Step 8. (Page 28) Install the logs, decorative
volcanic stone and glowing embers.
Step 9. (Page 30) Install glass door frame as-
sembly.
Step 10. (Page 30) Adjust burner to ensure proper
flame appearance.
Step 11. (Page 31) Install the hoods.
REMOVE
CARDBOARD
BEFORE USING
Remove Cardboard Before
Using Appliance
REMOVE
CARDBOARD
BEFORE USING
Figure 11
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 10) Construct the appliance
framing. Position the appliance within the
framing and secure with nailing brackets.
Step 2. (Page 10) Route gas supply line to
appliance location.
Step 3. (Page 13) Install the vent system and
exterior termination.
Step 1. FRAMING
Frame these appliances as illustrated in Figure
14 on Page 11, unless the appliance is to be
installed in a corner. See Figure 15 on Page
12 for corner framing installations. All framing
details must allow for a minimum clearance to
combustible framing members as shown in
Table 8 on Page 9.
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 framing
members using the unit's nailing flanges - one top
and bottom on each side of the fireplace front. See
Figure 12. Use 8d nails or their equivalent.
Figure 12
STEP 2. ROUTING GAS LINE
Route a 1/2" (13 mm) gas line along the inside
of the right side framing as shown in Tables.
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 inch shutoff valve. (See Step 6
on Page 26).
Right Side Front
Corner of Fireplace Framing
6 1/2"
(152 mm)
Also see Figure 14.
3"
(76 mm)
10
Figure 13 - ROUTE GAS LINE
Continued on Page 12.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
FIREPLACE SPECIFICATIONS
21-1/2
(546)
13
(330)
1/2 (13)
1-5/8
(42)
8-11/32
(212)
3 (76)
Top View
NOTE - Eyebrow
hood shown as positioned
in louvered front model.
*CONCENTRIC FLUE
FLUE - 4-1/2 (114)
COMBUSTION AIR - 7-1/2
FRAMING
SPACERS
(Top and Sides
and Rear)
GAS INLET
(Either Side
and bottom)
Front View
3 (76)
**Rear vent models only
ELECTRICAL INLET
2-3/4 x 2 (70 x 51)
COVER PLATE with
KNOCKOUT)
Right Side View
*SSDVR models have only a rear vent
*SSDVT models have only a top vent
6-13/16
(173)
2-3/4
(70)
33-1/8
(841)
30-1/8
(765)
27-1/2
(699)
17
(432)
**19-5/8
(498)
10-3/4
(273)
33-1/8
(841)
Inches (millimeters)
1 (25)
1
(25)
7
(178)
5-1/8
12-1/8
(308)
10-1/2
(267)
VENT FRAMING TOP VENT WITH ONE
90¡ ELBOW
VENT FRAMING REAR VENT WITH
NO ELBOWS
Framing should be constructed
of 2 x 4 or larger lumber.
Inches (mm)
(130)
7
(178)
*12-7/8 inches (327 mm) is the
required framing depth dimension
when the finish material (drywall)
thickness is 1/2 in. (13mm).
*12-7/8
(327)
33-1/4
(845)
33-1/4
(845)
16-5/8
(422)
37-1/8
(943)
19-5/8
(498)
FRAMING WITH SQUARE HORIZONTAL TERMINATION (SV4.5HT-2)
5-1/8
(130)
12-1/8
(308)
Notes
Due to Lennox' ongoing commitment to quality,
all specifications, ratings and dimensions are
subject to change without notice.
Vent Size
Co-axial DV Vent Size
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 19).
4-1/2" Inner
7-1/2" Outer
Figure 14
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
11
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