Quadrafire Fortress See-Through Gas Outdoor Fireplace, Fortress See-Through Gas Fireplace Installation guide

Quadrafire Fortress See-Through Gas Outdoor Fireplace, Fortress See-Through Gas Fireplace Installation guide
Installation Manual
Installation and Appliance Setup
INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
NOTICE: DO NOT discard this manual!
FORTRESS
SERIES
Models: ODFORTG-36
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death, or
property damage.
• 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 neighbor’s phone. Follow the gas supplier’s instructions.
- 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.
This appliance may be installed as an OEM
installation in manufactured home (USA
only) or mobile home and must be installed
in accordance with the manufacturer’s
instructions and the Manufactured Home
Construction and Safety Standard, Title 24
CFR, Part 3280 in the United States, or the
Standard for Installation in Mobile Homes,
CAN/CSA Z240 MH Series, in Canada.
This appliance is only for use with the type(s)
of gas indicated on the rating plate. This
appliance is not convertible for use with other
gases, unless a certified kit is used.
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 provided
with this appliance and shall be installed for
the protection of children and other at-risk
individuals.
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.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
1
Safety Alert Key:
•
•
•
•
DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.
WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.
CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
NOTICE: Used to address practices not related to personal injury.
Table of Contents
Installation Standard Work Checklist. . . . . . . . . . . . . . . . . . . . . 3
7 Venting and Chimneys
1 Product Specific and Important Safety Information
A.
B.
C.
D.
E.
F.
A.
B.
C.
D.
E.
F.
G.
H.
Appliance Certification. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glass Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BTU Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Altitude Installations. . . . . . . . . . . . . . . . . . . . . . . . . . .
Non-Combustible Materials Specification. . . . . . . . . . . . . .
Combustible Materials Specification . . . . . . . . . . . . . . . . . .
Electrical Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Requirements for the Commonwealth of Massachusetts. . .
4
4
4
4
4
4
4
5
Design and Installation Considerations . . . . . . . . . . . . . . . .
Good Faith Wall Surface/TV Guidelines . . . . . . . . . . . . . . .
Tools and Supplies Needed. . . . . . . . . . . . . . . . . . . . . . . . .
Inspect Appliance and Components. . . . . . . . . . . . . . . . . . .
6
6
6
7
►
A.
B.
C.
D.
E.
Appliance/Decorative Front Dimension Diagrams. . . . . . . . 8
Clearances to Combustibles.. . . . . . . . . . . . . . . . . . . . . . . . 9
Mantel Combustibles.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Constructing the Appliance Chase. . . . . . . . . . . . . . . . . . . 10
Hearth Extension. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 Termination Location and Vent Information
A.
B.
C.
D.
E.
F.
Vent Termination Minimum Clearances. . . . . . . . . . . . . . .
Chimney Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Approved Pipe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Use of Elbows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Measuring Standards. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Vent Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Electrical Information
A. General Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
B. Wiring Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
A.
B.
C.
D.
Fuel Conversion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Altitude Installations. . . . . . . . . . . . . . . . . . . . . . . . . .
A. Facing Material. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
B. Installation Instructions for Outdoor Side. . . . . . . . . . . . . . 34
C. Log Placement Instructions . . . . . . . . . . . . . . . . . . . . . . . . 40
11 Reference Materials
A. Vent Components Diagrams . . . . . . . . . . . . . . . . . . . . . . . 43
B. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
12
13
14
15
16
16
5 Venting Installation
A. Installation Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
B. Installation Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
C. Installation Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6 Appliance Preparation
A. Securing and Leveling the Appliance. . . . . . . . . . . . . . . . . 25
 = Contains updated information.
2
33
33
33
33
10 Finishing - Final Installation
3 Framing and Clearances
►
26
27
27
28
28
30
9 Gas Information
2 Getting Started
A.
B.
C.
D.
Assemble Vent Sections . . . . . . . . . . . . . . . . . . . . . . . . . .
Assemble Slip Sections. . . . . . . . . . . . . . . . . . . . . . . . . . .
Secure the Vent Sections. . . . . . . . . . . . . . . . . . . . . . . . . .
Disassemble Vent Sections. . . . . . . . . . . . . . . . . . . . . . . .
Vertical Termination Requirements. . . . . . . . . . . . . . . . . . .
Horizontal Termination Requirements . . . . . . . . . . . . . . . .
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
Installation Standard Work Checklist
ATTENTION INSTALLER:
Follow this Standard Work Checklist
This standard work checklist is to be used by the installer in conjunction with, not instead of, the instructions contained in
this installation manual.
Customer:
Date Installed:
Lot/Address:
Location of Fireplace:
Installer:
Model (circle one): ODFORTG-36
Dealer/Distributor Phone #
Serial #:
WARNING! Risk of Fire or Explosion! Failure to install appliance according to these instructions can lead to a
fire or explosion.
Appliance Install Information
Verified clearances to combustibles requirements are maintained. (Pg. 9-10)
Verified that the chase is insulated and sealed. (Pg. 9)
Verified mantel and wall clearance requirements are maintained. (Pg. 9)
Verified hearth extension requirements are maintained. (Pg. 11)
Verified appliance is leveled and secured. (Pg. 25)
YES
IF NO, WHY?
___________________
___________________
___________________
__________________
___________________
Venting/Chimney Section 7 (Pg. 26-30)
Verified venting configuration complies to vent diagrams.
Verified venting installed, locked and sealed/secured in place.
Verified venting meets clearance to combustible requirements.
Verified wall/ceiling firestops are installed (if applicable).
Verified attic insulation shield is installed (if applicable).
Verified Exterior wall/Roof flashing is installed and sealed.
Verified termination cap is installed and sealed.
___________________
___________________
___________________
___________________
___________________
___________________
___________________
Electrical Section 8 (Pg. 31-32)
Verified unswitched power (110-120 VAC) provided to the appliance.
Verified wall switch wires are properly installed (if applicable).
___________________
___________________
Gas Section 9 (Pg. 33)
Verified appliance is using proper fuel type.
If converted, verified proper fuel conversion kit was used.
Verified that gas components (fittings, pressure taps, etc) are leak free and fireplace is
operating under correct pressures.
Finishing Section 10 (Pg. 34-40)
Verified that finish material does not interfere with install/operation of decorative front.
Verified combustible materials are not installed in non-combustible areas.
Verified all clearances meet installation manual requirements.
Verified mantels/wall projections comply with installation manual requirements.
Verified all packaging and protective materials are removed (inside & outside of appliance).
Verified Glowing Embers and logs installed correctly.
Verified fixed glass assembly installed and secured.
Verified remote control has been programmed and is fully functional.
Verified proper air shutter setting for installation type and vent configuration.
Manual bag and all of its contents are removed from inside/under
the appliance and given to party responsible for use and operation.
___________________
___________________
___________________
___________________
___________________
___________________
___________________
___________________
___________________
___________________
___________________
___________________
___________________
Hearth & Home Technologies recommends the following:
• Photographing the installation and copying this checklist for your file.
• That this checklist remain visible at all times on the appliance until the installation is complete.
Comments: Further description of the issues, who is responsible (Installer/ Builder/ Other Trades, etc) and corrective
action needed ____________________________________________________________________________________
Comments Communicated to party responsible ____________________ by ______________________on ___________
(Builder / Gen. Contractor/) (Installer)
(Date)
 = Contains updated information.
4602-902 12/16
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
3
1
Product Specific and Important Safety Information A. Appliance Certification
D. High Altitude Installations
MODELS: ODFORTG-36
TYPE: Direct Vent Heater
NOTICE: If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.
STANDARD: ANSI-Z21.88-2014 • CSA 2.33-2014
When installing above 2000 feet elevation:
LABORATORY: CSA
This product is listed to ANSI standards for “Vented Gas
Fireplace Heaters” and applicable sections of “Gas Burning Heating Appliances for Manufactured Homes and
Recreational Vehicles”, and “Gas Fired Appliances for
Use at High Altitudes”.
NOTICE: This installation must conform with local codes.
In the absence of local codes you must comply with the
National Fuel Gas Code, ANSI Z223.1-latest edition in
the U.S.A. and the CAN/CGA B149 Installation Codes in
Canada.
• In the USA: Reduce input rate 4% for each 1000 feet
above 2000 feet.
• In CANADA: Input ratings are certified without a reduction of input rate for elevations up to 4500 feet (1370
m) above sea level. Please consult provincial and/or
local authorities having jurisdiction for installations
at elevations above 4500 feet (1370 m).
Check with your local gas utility to determine proper orifice size.
E. Non-Combustible Materials Specification
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.
This appliance is tested and approved as either supplemental room heat or as a decorative appliance. It should not be
factored as primary heat in residential heating calculations.
Material which will not ignite and burn. Such materials are
those consisting entirely of steel, iron, brick, tile, concrete,
slate, glass or plasters, or any combination thereof.
Materials that are reported as passing ASTM E 136,
Standard Test Method for Behavior of Materials in
a Vertical Tube Furnace at 750 ºC shall be considered
non-combustible materials.
WARNING: This product and the
fuels used to operate this product (liquid
propane or natural gas), and the products
of combustion of such fuels, can expose
you to chemicals including benzene, which
is known to the State of California to cause
cancer and reproductive harm. For more
information go to: www.P65Warnings.
ca.gov.
F. Combustible Materials Specification
Materials made of or surfaced with wood, compressed paper, plant fibers, plastics, or other material that can ignite
and burn, whether flame proofed or not, or plastered or
unplastered shall be considered combustible materials.
G. Electrical Codes
NOTICE: This appliance must be electrically wired
and grounded in accordance with local codes or, in the
absence of local codes, with National Electric Code
ANSI/NFPA 70-latest edition or the Canadian Electric
Code CSA C22.1.
B. Glass Specifications
This appliance is equipped with ceramic glass that is
used on the inside glass door frames attached to the
firebox. Replace glass only with ceramic glass. The outdoor glass in the black frame screwed to the Stainless
Steel frame is tempered glass. Replace with tempered
glass. Please contact your dealer for replacement glass.
• A 110-120 VAC circuit for this product must be protected with ground-fault circuit-interrupter protection,
in compliance with the applicable electrical codes,
when it is installed in locations such as in bathrooms
or near sinks.
C. BTU Specifications
Models
(U.S. or Canada)
4
Maximum
Input
BTU/h
Minimum
Input
BTU/h
Middle
Orifice
Size
(DMS)
Outer
Orifice
Size
(DMS)
ODFORTG-36 (NG)
US
(0-4500FT)
56,000
38,000
#31
#46
ODFORTG-36 (LP)
US
(0-4500 FT)
56,000
44,000
#50
#56
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
Note: The following requirements reference various
Massachusetts and national codes not contained in this
document.
H. Requirements for the Commonwealth of
Massachusetts
For all side wall horizontally vented gas fueled equipment
installed in every dwelling, building 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 gas fitter
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 gas fitter 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 qualified 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 subdivision 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) in. in size, “GAS
VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”.
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 dwelling, 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 equipment 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 appliance 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
instructions.
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.
See Gas Connection section for additional Commonwealth of Massachusetts requirements.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
5
2
Getting Started
A. Design and Installation Considerations
Outdoor Lifestyles direct vent gas appliances are designed to operate with all combustion air siphoned from
outside of the building and all exhaust gases expelled to
the outside. No additional outside air source is required.
Installation MUST comply with local, regional, state and
national codes and regulations. Consult insurance carrier,
local building inspector, fire officials or authorities having
jurisdiction over restrictions, installation inspection and
permits.
Before installing, determine the following:
• Where the appliance is to be installed.
• The vent system configuration to be used.
B. Good Faith Wall Surface/TV Guidelines
TO CEILING
FIREPLACE
OPENING
105 °F
116 °F
123 °F
36 in.
124 °F
129 °F
157 °F
30 in.
24 in.
18 in.
12 in.
6 in.
MEASUREMENTS FROM
TOP EDGE OF THE OPENING
• Gas supply piping requirements.
• Electrical wiring requirements.
• Framing and finishing details.
• Whether optional accessories—devices such a wall
switch or remote control—are desired.
Installation and service of this appliance should be performed by
qualified personnel. Hearth & Home Technologies recommends
HHT Factory Trained or NFI certified professionals.
APPLIANCE FRONT
Figure 2.1 Good Faith Wall Surface Temperatures Above Appliance
NOTICE: Temperatures listed above are taken with a
temperature measuring probe as prescribed by the test
standard used for appliance certification. Temperatures
on walls or mantels taken with an infrared thermometer
may yield increased temperatures of up to 30 degrees or
more depending on the thermometer settings and material
characteristics being measured.
C. Tools and Supplies Needed
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualified
service technician, service agency or your dealer.
6
Before beginning the installation be sure that the following
tools and building supplies are available.
Tape measure
Framing material
Pliers
Hammer
Phillips screwdriver Manometer
Gloves
Framing square
Voltmeter
Electric drill and bits (1/4 in.)
Plumb line
Safety glasses
Level
Reciprocating saw
Flat blade screwdriver
Non-corrosive leak check solution
1/2 - 3/4 in. length, #6 or #8 Self-drilling screws
Caulking material (300 ºF minimum continuous exposure
rating)
One 1/4 in. female connection (for optional fan).
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
D. Inspect Appliance and Components
• Carefully remove the appliance and components from
the packaging.
• The vent system components may be shipped in
separate packages.
• If packaged separately, the log set and appliance grate
must be installed.
• Report to your dealer any parts damaged in shipment,
particularly the condition of the glass.
• Read all of the instructions before starting the installation. Follow these instructions carefully during the
installation to ensure maximum safety and benefit.
WARNING! Risk of Fire or Explosion! Damaged parts
could impair safe operation. DO NOT install damaged, incomplete or substitute components. Keep appliance dry.
Hearth & Home Technologies disclaims any responsibility
for, and the warranty will be voided by, the following actions:
• Installation and use of any damaged appliance or vent
system component.
• Modification of the appliance or vent system.
• Installation other than as instructed by Hearth & Home
Technologies.
• Improper positioning of the gas logs or the glass door.
• Installation and/or use of any component part not approved
by Hearth & Home Technologies.
Any such action may cause a fire hazard.
WARNING! Risk of Fire, Explosion or Electric Shock!
DO NOT use this appliance if any part has been under
water. Call a qualified service technician to inspect the
appliance and to replace any part of the control system
and/or gas control which has been under water.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
7
3
Framing and Clearances
A. Appliance/Decorative Front Dimension Diagrams
Dimensions are actual appliance dimensions. Use for reference only. For framing dimensions and clearances refer to Section 5.
J
I
Outdoor Side
E
Outdoor Side
Indoor Side
Indoor Side
F
D
C
H
B
K
L
G
A
Appliance Dimensions Table
►
8
Location
Inches
Millimeters
Location
Inches
Millimeters
A
471/2
1207
G
7-3/8
187
B
39-3/8
1000
H
9
228
C
34-1/4
869
I
12
305
D
38-1/4
978
J
23-13/16
605
E
49-3/8
1254
K
24
609
F
44-3/8
1128
L
25-5/8
650
Figure 3.1 Appliance Dimensions
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
B. Clearances to Combustibles.
WARNING
12 in.
Fire Risk.
Follow these instructions carefully to ensure safe
installation. Failure to follow instructions exactly
can create a fire hazard.
16 in.
The appliance cannot be installed on a carpet, tile or
other combustible material other than wood flooring. If
installed on carpet or vinyl flooring, the appliance shall
be installed on a metal, wood or noncombustible material
panel extending full width and depth of the appliance.
g
2-1/2 in.
10 in.
Side View
Combustible Mantel
72 in.
(1829 mm)
Min.
12 in.
Top of Fireplace
Opening
ilin
Ce
Noncombustible
Material to Top of
Standoffs
6 in.
Stud
12 in.
(305 mm)
Max. Depth
Finish Wall
Combustible
Material Area
16 in.
(406 mm)
Min.
1 in.
4 in.
2 in.
3 in.
5 in.
6 in.
(152 mm)
Min.
Top View
He
Fir arth
ep
lac Mini
e O mu
pe m
nin
g
Hearth 8 in. Min.
(203 mm)
Noncombustible
Figure 3.2. Ceiling and Side Wall Clearance
C. Mantel Combustibles.
NOTE: The combustible area above the facing must not
protrude more than 1/2" from the facing. If it does, it is
considered a mantel and must meet the mantel requirements listed in this manual.
45°
6 in.
Figure 3.3. Mantel Clearance
WARNING
Fire Risk.
Never obstruct or modify the air inlet or outlet
grilles (louvers). This may create a fire hazard
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
9
A
E=43 in.
HEADER
DEPTH**
E=33 in.
HEADER
DEPTH**
F
C
B
D
G
I
APPLIANCE MAY BE
INSTALLED OFF OF FLOOR***
H
MINIMUM FRAMING DIMENSIONS*
A
B**
C*
D
E
F**
G**
H
I
Rough
Opening
(Vent Pipe)
Rough
Opening
(Height)
Rough
Opening
(Depth)
Rough
Opening
(Width)
Clearance
to ceiling
from opening
Clearance
to ceiling
from top of
appliance
Combustible
Floor
Combustible
Flooring
Sides of
Appliance
Front or
Rear of
Appliance
Inches
10
44-1/2
23
49-1/2
37-3/4
33-1/2
0
See Note Below
1
48
Millimeters
254
1130
584
1257
959
851
0
See Note Below
25
1219
* Adjust framing dimensions for interior sheathing (such as sheetrock)
** Fireplace may need to be elevated from the floor affecting framing height B, depending on hearth construction. See Section 3.D
for hearth and combustible floor requirements.
Figure 3.4 Clearances to Combustibles
D. Constructing the Appliance Chase
A chase is a vertical box-like structure built to enclose the
gas appliance and/or its vent system. In cooler climates
the vent should be enclosed inside the chase.
NOTICE: Treatment of ceiling firestops and wall shield
firestops and construction of the chase may vary with the
type of building. These instructions are not substitutes
for the requirements of local building codes. Therefore,
you MUST check local building codes to determine the
requirements to these steps.
Chases should be constructed in the manner of all outside walls of the home to prevent cold air drafting problems. The chase should not break the outside building
envelope in any manner.
Walls, ceiling, base plate and cantilever floor of the chase
should be insulated. Vapor and air infiltration barriers
should be installed in the chase as per regional codes for
the rest of the home. Additionally, in regions where cold
air infiltration may be an issue, the inside surfaces may be
sheet rocked and taped (or an equivalent method may be
used) to achieve maximum air tightness.
10
To further prevent drafts, the wall shield and ceiling firestops should be caulked with caulk with a minimum of
300ºF continuous exposure rating to seal gaps. Gas
line holes and other openings should be caulked with
caulk with a minimum of 300ºF continuous exposure rating
or stuffed with unfaced insulation. If the appliance is being
installed on a cement surface, a layer of plywood may be
placed underneath to prevent conducting cold up into the
room.
NOTICE: Install appliance on hard metal or wood surfaces
extending full width and depth. DO NOT install directly
on carpeting, vinyl, tile or any combustible material other
than wood.
WARNING! Risk of Fire! Maintain specified air space
clearances to appliance and vent pipe:
• Insulation and other materials must be secured to prevent
accidental contact.
• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
making contact with fireplace or chimney.
• Failure to maintain airspace may cause overheating and
a fire.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
E. Hearth Extension
16 in.
(406 mm)
WARNING! Risk of Fire! Hearth extension required
to protect combustible floors in front of appliance.
WARNING! Risk of Fire! DO NOT block ventilation
slots. A minimum 1/4 in. space between the bottom of
hearth refractory and top of field installed hearth extension (marble, tile, granite, etc) is required across full width
of fireplace.
If the appliance is to be placed directly on the floor, the
non-combustible hearth material will be limited to 3/4 in.
thick, including the floor adhesive. If the hearth material will exceed 3/4 in. thick, the appliance will need to
be shimmed from the floor appropriately to maintain 1/4
in. minimum space between the floor hearth and hearth
refractory.
27-3/4 in.
(705 mm)
24 in.
(610 mm)
6 in.
(152 mm)
66-1/4 in.
(1683 mm)
The base of the fireplace may sit on a combustible surface. The area in front of the fireplace must be protected
by a noncombustible hearth extension, unless the fireplace is raised a minimum of three inches above the combustible floor or hearth. See Figures 3.5 and 3.6
NON-COMBUSTIBLE
MATERIAL ON SIDES
(PROFILE VIEW)
MINIMUM
1/4 in. SPACE
REQUIRED
NOTE: •
MARBLE, GRANITE, TILE OR
OTHER NON-COMBUSTIBLE
HEARTH EXTENSION
•
3/4 in. MAX
8 in.
WOOD OR OTHER
COMBUSTIBLE FLOOR
OR PLATFORM
HEARTH
REFRACTORY
BOTTOM OF
FIREPLACE
3-1/2 in.
(89 mm)
No combustibles in the area between the
two walls.
If using 2” x 6” exterior framing material,
interior framing must be placed on edge in
order to maintain 16 in. clearance.
Figure 3.6 Non-Combustible Zone
Figure 3.5 Fireplace Positioned on Combustible Surface
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
11
4
Termination Location and Vent Information
A. Vent Termination Minimum Clearances
A
WARNING
Fire Risk.
Maintain vent clearance to combustibles as
specified.
• DO NOT pack air space with insulation or other
materials.
Failure to keep insulation or other materials away
from vent pipe could cause overheating and fire.
B
6 in. (minimum) up to 20 in.
152 mm/508 mm
18 in. minimum
457 mm
20 in. and over
0 in. minimum
Gas, Wood or Fuel Oil
Termination Cap
B
A*
HORIZONTAL
OVERHANG
2 ft.
MIN.
20 in. MIN.
Gas
Termination
Cap **
VERTICAL
WALL
LOWEST
DISCHARGE
OPENING
GAS DIRECT VENT
TERMINATION CAP
12
X
ROOF PITCH
IS X/ 12
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
*
**
If using decorative cap cover(s), this distance may need to be
increased. Refer to the installation instructions supplied with the
decorative cap cover.
In a staggered installation with both gas and wood or fuel oil
terminations, the wood or fuel oil termination cap must be
higher than the gas termination cap.
Figure 4.2 Staggered Termination Caps
Roof Pitch
H (Min.) Ft.
Flat to 6/12...........................................................1.0*
Over 6/12 to 7/12..................................................1.25*
Over 7/12 to 8/12..................................................1.5*
Over 8/12 to 9/12..................................................2.0*
Over 9/12 to 10/12................................................2.5*
Over 10/12 to 11/12..............................................3.25
Over 11/12 to 12/12..............................................4.0
Over 12/12 to 14/12..............................................5.0
Over 14/12 to 16/12..............................................6.0
Over 16/12 to 18/12..............................................7.0
Over 18/12 to 20/12..............................................7.5
Over 20/12 to 21/12..............................................8.0
* H minimum may vary depending on regional snowfall.
Refer to local codes.
Figure 4.1 Minimum Height From Roof to Lowest Discharge
Opening
12
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
B. Chimney Diagram
O
N
P
F
C
R
V
Q
B
J
B
V
D
V
H or i
B
V
G
V
V
H
V
X
M
A
V
V
E
H
L
V
V
A
V = VENT TERMINAL
X = AIR SUPPLY INLET
V
K
= 12 inches����������������clearances above grade, veranda,
porch, deck or balcony
B
= 12 inches.����������������clearance to window or door that may
be opened, or to permanently closed
window
C
= 18 inches�����������������clearance below unventilated soffit
18 inches����������������clearance below ventilated soffit
30 inches����������������clearance below vinyl soffits and
electrical service
E
= 6 inches������������������clearance to inside corner
V
V
A
= 6 inches������������������clearance to outside corner
K
C
= AREA WHERE TERMINAL IS NOT PERMITTED
D
Electrical
Service
Covered Alcove Applications
(Spaces open only on one side and with an overhang)
N
= 6 inches ���������� non-vinyl sidewalls
O
= 18 inches �������� non-vinyl soffit and overhang
P
F
= 3 ft. (Canada)����������not to be installed above a gas meter/regulator assembly within 3 feet
horizontally from the center-line of the
regulator
G = 3 ft���������������������������clearance to gas service regulator
vent outlet
H
= 12 inches.���������������clearance to non-mechanical (unpowered) air supply inlet, combustion air
inlet or direct-vent termination
i
= 3 ft. (U.S.A.)
6 ft. (Canada)�����������clearance to a mechanical (powered)
air supply inlet
12 inches �������� vinyl sidewalls
42 inches �������� vinyl soffit and overhang
= 8 ft.
QMIN
RMAX
1 cap
3 feet
2 x Q ACTUAL
2 caps
6 feet
1 x Q ACTUAL
3 caps
9 feet
2/3 x Q ACTUAL
4 caps
12 feet
1/2 x Q ACTUAL
QMIN = # termination caps x 3
RMAX = (2 / # termination caps) x QACTUAL
Measure vertical clearances from this surface.
All mechanical air intakes within 10 feet of a termination cap
must be a minimum of 3 feet below termination.
= 7 ft.������������������������� On public property: clearance above
paved sidewalk or a paved driveway.
J
A vent shall not terminate directly above a sidewalk or paved
driveway which is located between two single family dwellings
and serves both dwellings.
K
= 6 inches����������������clearance from sides of electrical
service
L
= 12 inches���������������clearance above electrical service
Location of the vent termination must not interfere with access to the
electrical service.
►M
= 12 inches������������������clearance under veranda, porch, deck,
balcony or overhang
Permitted when veranda, porch, deck or balcony is fully open
on a minimum of 2 sides beneath the floor.
Figure 4.3 Minimum Clearances for Termination
CLEARANCE = 6 IN.
Measure horizontal clearances from this surface.
CAUTION! Risk of Burns! Termination caps are HOT,
consider proximity to doors, traffic areas or where people
may pass or gather (sidewalk, deck, patio, etc.). Listed cap
shields available. Contact your dealer.
•
Local codes or regulations may require different
clearances.
•
Vent system termination is NOT permitted in screened
porches.
•
Vent system termination is permitted in porch areas with
two or more sides open.
•
Hearth & Home Technologies assumes no responsibility
for the improper performance of the appliance when the
venting system does not meet these requirements.
Vinyl protection kits are suggested for use with vinyl siding.
•
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
13
How to Use the Vent Graph
C. Approved Pipe
The Vent Graph should be read in conjunction with the
following vent installation instructions to determine the
relationship between the vertical and horizontal dimensions of the vent system.
This appliance is approved for use with Hearth & Home
Technologies DVP venting systems. SLP venting may
be used when a power vent is installed. Refer to Section
11.A for vent component information and dimensions.
1. Determine the height of the center of the horizontal
vent pipe exiting through the outer wall. Using this
dimension on the Sidewall Vent Graph below, locate
the point intersecting with the slanted graph line.
DO NOT mix pipe, fittings or joining methods from different manufacturers.
2. From the point of this intersection, draw a vertical line
to the bottom of the graph.
3. Select the indicated dimension, and position the
fireplace in accorance with same.
The pipe is tested to be run inside an enclosed wall.
There is no requirement for inspection openings at each
joint within the wall.
WARNING! Risk of Fire or Asphyxiation. This appliance requires a separate vent. DO NOT vent to a pipe
serving a separate solid fuel burning appliance.
Example: If the vertical dimension from the floor of
the fireplace is 11' (3.4 m) the horizontal run to the
face of the outer wall must not exceed 16' (4.9 m).
Sidewall Vent Graph showing the relationship between
vertical and horizonal dimensions for the Direct Vent flue
system.
Dimensions in Feet
eg: A
Vertical Dimension From the Floor of Unit to the
Center of the Horizontal Vent Pipe
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
2 4 6 8 10 12 14 16 18 20
Horizontal dimension from the finished outside
wall to the center of the pipe on the fireplace.
Figure 4.4 Rear Wall Venting Graph (No Horizontal Elbows)
14
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
D. Use of Elbows
WARNING! Risk of Fire. This appliance requires a minimum of 24 inches of vertical venting before attaching any
elbow to the appliance. DO NOT attach elbow directly to
the appliance.
Y
Diagonal runs have both vertical and horizontal vent aspects when calculating the effects. Use the rise for the
vertical aspect and the run for the horizontal aspect. See
Figure 4.5.
Two 45º elbows may be used in place of one 90º elbow.
On 45º runs, one foot of diagonal is equal to 8-1/2 in. (216
mm) horizontal run and 8-1/2 in. (216 mm) vertical run. A
length of straight pipe is allowed between two 45º elbows.
See Figure 4.5.
Figure 4.6 shows the vertical and horizontal offsets for
DVP elbows.
X
Vent
Type
DVP
X
Millimeters
114
Inches
4-1/2
Inches
17
X
RISE
E
LE FFE
N C
G TI
TH V
E
VERTICAL
Y
Millimeters
432
RUN
X
HORIZONTAL
Vent Type
Effective Length
DVP
Rise/Run
DVP
Pipe
Inches
Millimeters
Inches
Millimeters
DVP4
DVP6
4
6
102
152
2-3/4
4-1/4
70
108
DVP12
12
305
8-1/2
216
DVP24
DVP36
DVP48
DVP6A
24
36
48
3 to 6
610
914
1219
76 to 152
17
25-1/2
34
432
648
864
2-1/8-4-1/4
54-108
DVP12A
3 to 12
76 to 305
2-1/8-8-1/2
54-216
Inches
16-1/4
X
Millimeters
413
Figure 4.6 Vertical and Horizontal Offset for DVP and SLP Elbows
Figure 4.5
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
15
E. Measuring Standards
F. Vent Diagrams
Vertical and horizontal measurements listed in the vent
diagrams were made using the following standards:
General Rules:
• Pipe measurements are shown using the effective length
of pipe. See Section 11.A Figure 11.1 for information on
effective length of pipe components.
• Horizontal terminations are measured to the outside
mounting surface (flange of termination cap) (see Figure
4.7).
• Vertical terminations are measured to top of last section
of pipe. See Figure 4.8.
• Horizontal pipe installed level with no rise.
• SUBTRACT 3 ft. from the total H measurement for each
90º elbow installed horizontally.
• SUBTRACT 1-1/2 ft. from the total H measurement for
each 45º elbow installed horizontally.
• A maximum of three 90º elbows (or six 45º elbows) may
be used in any vent configuration. Some elbows may be
installed horizontally.
• Elbows may be placed back to back anywhere in the
system.
• Any 90º elbow may be replaced with two back to back
45º elbows.
• When penetrating a combustible wall, a wall shield
firestop must be installed.
• When penetrating a combustible ceiling, a ceiling firestop
must be installed.
• This appliance requires a minimum of 24 inches of vertical pipe attached directly to the appliance starting collar
before attaching a 90 degree or 45 degree elbow.
• Horizontal runs of vent do not require vertical rise;
horizontal runs may be level.
MEASURE TO SHADED SURFACE
(OUTSIDE MOUNTING SURFACE)
• Horizontal termination cap should have a 1/4 inch
downward slant to allow any moisture in cap to be
released.
Figure 4.7 Measure to Outside Mounting Surface
Figure 4.8. Measure to Top of Last Section of Pipe
16
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
5
Venting Installation
WARNING
Read all instructions completely and thoroughly
before attemping installation. Falilure to do so
could result in serious injury, property damage
or loss of life. Operation of improperly installed
and maintained venting system could result in
serious injury, property damage or loss of life.
**1 in.
*3 in.
**1 in.
72 in.
(1829 mm)
24 in.
(610 mm)
A. Installation Precautions
Consult local building codes before beginning the installation. The installer must make sure to select the proper
vent system for installation. Before installing vent kit,
the installer must read this fireplace manual and vent kit
instructions.
Only a qualified installer/service person should install the
venting system. The installer must follow these safety
rules:
• Wear gloves and safety glass for protection.
• Use extreme caution when using ladders or when on
rooftops.
• Be aware of electrical wiring locations in walls and
ceilings.
The following actions will void the warranty on your
venting system:
• Installation of any damaged venting component.
• Unauthorized modification of the venting system.
• Installation of any component part not manufactured or
approved by Hearth & Home Technologies.
• Installation other than permitted by these instructions.
WARNING
Horizontal sections of this vent system require
a minimum of 3" clearances to combustibles at
the top of the flue and 1" clearance at the sides
and bottom until the flue penetrates the outside
wall. A minimum 1" clearance all around the flue
is acceptable at this point of penetration. Unless
the vertical run is 7-1/2 feet or higher from the
floor of the fireplace, the clearance for horizontal
run is 1" on all sides.
FP2567
Figure 5.1 Combustible Clearances for Vent Pipe
FP2567
KSTDV vent clearances
* A minimum of 3" clearance to the top is required along
horizontal length until flue pipe penetrates outside wall.
** A minimum 1" clearance to combustibles permitted all
around flue at outside wall
WARNING
This fireplace must be vented to the outside.
The venting system must NEVER be attached to
a chimney serving a separate solid fuel burning
appliance. Each gas appliance must use a
separate vent system. Do not use common vent
systems.
NOTICE: Failure to follow these instructions will
void the warranty.
Vertical sections of this vent system require a
minimum of 2" clearance to combustibles at
the top of the unit directly above the stand-off.
A minimum of 1" clearance all aroun the flue is
acceptable thereafter.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
17
B. Installation Planning
There are two basic types of direct-vent installation:
• Horizontal Termination
• Vertical Termination
It is important to select the proper length of vent pipe for
the type of termination you choose. It is also important to
note the wall thickness.
For Horizontal Termination
Select the amount of vertical rise desired. All horizontal run
of venting must have 1/4" rise for every 12" of run towards
the termination below 71⁄2" of vertical rise from floor of fireplace. With 71⁄2 feet or more of vertical rise from the floor
of the fireplace, the horizontal run may be level. NEVER
run vent piping down.
You may use up to three 90° elbows in this vent configuration. Refer to Vertical/Horizontal Termination Configurations
on Page 20.
For Vertical Termination
Measure the distance from the fireplace floor to the ceiling. Add the ceiling thickness, the vertical rise in an attic
or second story, and allow for sufficient vent height above
the roof line.
NOTE: You may use two 45° elbows in place of a 90°
elbow. You must follow rise to run ratios when using
45° elbows. The appliance is approved for use with
three 90° elbows maximum or a combination of 90°
and 45° elbows up to a maximum of 270°.
NOTICE: Treatment of firestops and construction of
the chase may vary from building type to building
type. These instructions are not substitutes for the
requirements of local building codes. You must follow
all local building codes.
18
WARNING
Never run the vent pipe down. This may cause
excessive temperatures which could cause
a fire.
For two-story applications, firestops are required at each
floor level. If an offset is needed in the attic, additional pipe
and elbows will be required.
You may use a chase with a vent termination with exposed
pipe on the exterior of the house. See Installing Vent
System in a Chase below. If pipe is enclosed in chase, it
is not exposed.
It is very important that the venting system maintain its balance between the combustion air intake and the flue gas
exhaust. Certain limitations apply to vent configurations
and must be strictly followed.
C. Installation Instructions
Installing a Vent System in an Outside
Chase
A chase is a vertical boxlike structure built to enclose
venting that runs along the outside of a building. A chase
is required for such venting.
NOTICE: When installing in a chase, you should
insulate the chase as you would the outside walls
of your home. This is especially important in
cold climates. Insulation should be considered a
combustible material. Maintain proper clearances
to all combustible materials.
WARNING
Always maintain minimum clearances around
vent systems. The minimum clearances to
combustibles for horizontal vent pipe are 3”
at the top* and 1” at the sides and bottom
of the vent system until the pipe penetrates
the nearest vertical wall (1” required). A 1”
minimum clearance all around the pipe must be
maintained at outside wall and on vertical runs.
Do not pack the open air spaces with insulation
or other materials. This could cause high
temperatures and may present a fire hazard.
*Unless the vertical run is 71⁄2 feet or higher
from floor of fireplace, the clearance for the
horizontal run is 1” on all sides.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
Vertical Sidewall Installation
NOTE: Sealant is not required to assemble fireplace
venting. Do not use silicone sealant at the inner flue
exhaust connections.
Step 1
X
Locate vent opening on the wall. It may be necessary to
first position the fireplace and measure to obtain hole location. Depending on whether the wall is combustible or
noncombustible, cut opening to size. See Figure 5.2 (For
combustible walls first frame in opening.)
Combustible Walls: Cut a 101⁄2”H x 101⁄2”W (267 x 267
mm) hole through the exterior wall and frame as shown.
See Figure 5.2.
Figure 5.3
Vertical Height
Requirement
Noncombustible Walls: Hole opening must be 81⁄2” (216
mm) in diameter.
Vent Opening for Combustible Walls
X
101⁄2"
(267 mm) Min.
101⁄2”
(267 mm)
Min.
Framing Detail
Fireplace Hearth
Figure 5.4
Horizontal Length
Requirement
Opening for Noncombustible Wall
8 1 ⁄2 "
(216 mm)
Note: Always install horizontal venting on a level
plane.
Fireplace Hearth
Figure 5.2 Locate vent opening on wall
Step 6
Noncombustible Walls: Hole opening must be 81⁄2” (216
VO584-100
mm) in diameter.
Step 2
Vent Opening
2/99 djt
Secure firestop to the inside frame, center in the
101⁄2” vent opening.
FP1385
101⁄2”
x
Step 3
Place fireplace into position. Measure the vertical height
(X) required from the base of the flue collars to the center
of the wall opening. See Figure 5.3.
Step 4
Using appropriate length of pipe section(s) attach to fireplace with three (3) screws. Follow with the installation of
the elbow.
Step 5
Measure the horizontal length requirement figuring a 11⁄4”
(32 mm) overlap, i.e. from the elbow to the outside wall
cap. See Figure 5.4
Use appropriate length of pipe sections - telescopic or
fixed - and install.
Sealing vent pipe and firestop gaps with high temperature sealant will restrict cold air being drawn in
around fireplace.
Step 7
Guide the vent terminations 5” and 8” collard into their
respective vent pipes. Double check that the vent pipes
overlap the collars by a minimum of 11⁄4” (32 mm). Secure
the termination to the wall with screws provided and caulk
around the wall plate to weatherproof. As an alternative to
screwing the termination directly to the wall, you may also
use expanding plugs or an approved exterior construction
adhesive.
Note: Support horizontal pipes every 36” (914 mm)
with metal pipe straps.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
19
Max. 20"
508mm)
Vertical/Horizontal Termination
configurations
Since it is very important that the venting system maintain
its balance between the combustion air intake and the flue
gas exhaust, certain limitations as to vent configurations
apply and must be strictly adhered to.
The Vent Graph, showing the relationship between vertical
and horizontal side wall venting, will help to determine the
various dimensions allowable. See Figure 4.4.
NOTE: Horizontal sections of this vent system require
a minimum of 3" clearances to combustibles at the top
of the flue and 1" clearance at the sides and bottom
until the flue penetrates the outside wall. A minimum
1" clearance all around the flue is acceptable at this
point of penetration. Unless the vertical run is 71⁄2 feet
or higher from floor of fireplace, the clearance for the
horizontal run is 1" on all sides.
Vertical sections of this vent system require a minimum
of 1" clearance to combustibles on all sides of the pipe.
When vent exits through foundations less than 20" below
outcrop, the termination must be flush up with outcropped
wall above.
It is best to locate the fireplace in such a way that minimizes
the number of offsets and horizontal vent length.
The horizontal vent run refers to the total length of vent
pipe from the flue collar of the fireplace (or the top of the
Transition Elbow) to the face of the finished outside wall.
24"
(610 mm)
Min.
*NOTE: With a 24"
rise, the maximum
horizontal run is 36".
FP1381
Figure 5.6 Horizontal Run with Minimum Vertical Rise
• If a 90° elbow is used in the horizontal vent run (level
height maintained) the horizontal vent length is reduced
by 36". Refer to Figure 5.7. This does not apply if the
90° elbows are used to increase or redirect a vertical
rise.
Example: According to the vent graph (page 14) the maximum horizontal vent length in a system with a 10' vertical
rise is 171⁄2’ (5.3 m) and if a 90° elbow is required in the
horizontal vent it must be reduced to 141⁄2' (4.4 m).
In Figure 5.7 dimension A plus B must not be greater than
141⁄2' (4.4 m).
• The maximum number of 90° elbows per side wall
90° Elbow = 36" (914 mm)
Reduction
installation is three (3). See Figure 5.5.
B
3 x 90° Elbows
A
10 ft.
24" Min.
FP1380
FP2546
Figure 5.5 Maximum Three (3) 90° Elbows Per Installation
• A minimum of 24" is required before a 90° elbow. If a 90°
elbow is fitted directly after 24" vertical section mounted
to the top of the fireplace, the maximum horizontal vent
run before the termination is 36” (914 mm). See Figure
5.6.
20
Figure 5.7 Horizontal Run Reduction
FP2546
Horizontal run
reduction
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
• For each 45° elbow installed in the horizontal run, the
•
length of the horizontal run MUST be reduced by 18"
(457 mm). This does not apply if the 45° elbows are
installed on the vertical part of the vent system.
The maximum number of elbow degrees in a system is
270°. See Figure 5.8.
3.
4.
5.
Elbow 1
Elbow 2
Elbow 3
Elbow 4
Total Angular Variation
Example:
=
=
=
=
=
90°
45°
45°
90°
270°
6.
7.
supplied). Refill hole with 12" of coarse gravel leaving
a clearance of approximately 4" below snorkel. See
Figure 5.9.
Install vent system.
Ensure a watertight seal is made around the vent pipe
coming through the wall.
Apply high temperature sealant caulking (supplied)
around the 5" and 8" snorkel collars.
Slide the snorkel into the vent pipes and secure to the
wall.
Level the soil so as to maintain a 4" clearance below
snorkel. See Figure 5.9.
Screws
1
1
2
2
3
3
4
4
Firestop
Minimum
4" Clearance
Ground
Window
Well
24"
(610 mm)
Minimum
Gravel
24" (610 mm)
Minimum
Drain
Foundation
Wall
FP1383
Figure 5.8 Maximum Elbow Usage
Below Grade Installations
FP1383
Max bends
When it is not possible to meet the required vent
terminal
clearances of 12" above grade level, a snorkel kit is recommended. It allows installation depth down to 7" (178 mm)
below grade level. The 7" (178 mm) is measured from the
center of the horizontal vent pipe as it penetrates through
the wall.
Figure 5.9 Below Grade Installation
If the foundation
is recessed, use recess brackets (not
FP2134
supplied) forbelow
securing
lowerinstall
portion of the snorkel. Fasten
grade
brackets to wall first, then secure to snorkel with self drilling #8 x 1/2 sheet metal screws. It will be necessary to
extend vent pipes out as far as the protruding wall face.
See Figure 5.10.
Ensure that sidewall venting clearances are observed.
If venting system is installed below ground, we recommend a window well with adequate and proper drainage
to be installed around the termination area.
If installing a snorkel, a minimum 24" vertical rise is necessary. The maximum horizontal run with the 24” vertical pipe
is 36". This measurement is taken from the collar of the
fireplace (or transition elbow) to the face of the exterior wall.
See the Sidewall Venting Graph for extended horizontal
run if the vertical exceeds 24".
1. Establish vent hole through the wall.
2. Remove soil to a depth of approximately 16" below base
of snorkel. Install drain pipe. Install window well (not
Snorkel
Foundation
Recess
Wall Screws
Watertight Seal
Around Pipe
Sheet Metal
Screws
Figure 5.10 Snorkel Installation, Recessed Foundation
FP1966
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual
• 4602-901 Rev G • 11/19
snorkel
21
WARNING
• Do not back fill around snorkel.
• A clearance of at least 4" must be
40' (12 m) Maximum Height
12' (3.7 m) Minimum Height
maintained between the snorkel and the
soil.
B
Vertical Through-the-Roof Applications
NOTICE: A restrictor disc must be installed on
vertical terminations that are higher than 12' (366
cm).
A
Install restrictor disc as shown in Figure 20 for vertically
vented applications. Up to two (2) restrictor discs may be
needed for 40' installation. The two (2) restrictor discs
suppled will work for most installations. If a third disc is
needed order part number 56D3027.
Support Straps
Every 3'
FP1387a
11
A: Vertical
dimension from
the floor to the
center of the
horizontal vent
pipe.
Restrictor Disc
Fireplace Collar
10
9
8
7
6
(Dimensions in feet)
5
10
12
14
16 18
20
B: Length of horizontal pipe section
before vertical elbow.
Example: If the vertical dimension from the floor of the
fireplace is 81⁄2' (2.6 FP2917
m), the horizontal run to vertical
vert horiz vent graph
elbow must not exceed
16' (4.9 m).
Figure 5.11 Install Restrictor Disc into Fireplace Collar
This gas fireplace has been approved for vertical installations up to 40' (12 m) in height. Up to a 20' (6 m) horizontal
vent run can be installed within the vent system using a
maximum of two 90° elbows. See Figure 5.12.
NOTE: Horizontal sections of this vent system require a
minimum of 3" clearances to combustibles at the top of
the flue and 1" clearance at the sides and bottom until the
flue penetrates the outside wall. A minimum 1" clearance
all around the flue is acceptable at this point of penetration.
Unless the vertical run is 71⁄2 feet or higher form floor of
FP2707
fireplace, the clearance for the horizontal run is 1" on all
restrictor disc
sides.
Vertical sections of this vent system require a minimum
of 1" clearance to combustibles on all sides of the pipe.
• Up to two 45° elbows may be used within the horizontal
run. For each 45° elbow used on the horizontal plane,
the maximum horizontal length must be reduced by 18"
(457 mm).
22
Figure 5.12 Allowable Horizontal Runs with Vertical Rises
and Terminations
Example: Maximum horizontal length
No elbows = 10’ (3 m)
1x45° elbows = 8.5’ (2.6 m)
2x45° elbows = 7’ (2.1 m)
• A minimum of an 8' (2.5 m) vertical rise is required.
• Two sets of 45°elbows offsets may be used within the
•
•
vertical sections. From 0 to a maximum of 8' (2.5 m)
of vent pipe can be used between elbows. See Figure
5.13.
The maximum angular variation allowed in the system
is 270°. See Figure 5.13.
For the minimum height of the vent above the highest
point of penetration through the roof refer to Page 24,
Figure 5.17.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
For optimal flame appearance, a restrictor disk is necessary
on straight vertical runs of 10' of more.
• Runs may not incorporate elbows.
• The disk is part number 56D3027K and is included
1
2
•
3
4
•
24" (610 mm) Min.
Elbow 1
Elbow 2
Elbow 3
Elbow 4
Total Angular Variation
Example:
=
=
=
=
=
90°
45°
45°
90°
270°
Figure 5.13 Maximum Elbow Usage
installation for Vertical Termination
1. Determine the route your vertical venting will take. If
ceiling joist, roof rafters or other framing will obstruct
the venting system, consider an offset. See Figure 5.15
to avoid cutting load bearing members.
FP1179
maxRoof
bends
Flashing
1
2
3
4
in installation manual packet.
Drop the disk into a 5" inner collar before installing the
first section of flue or install at the last section before
installing the termination. Also disk can be installed
from inside the firebox into the 5" inner collar.
An additional disk may be installed on runs of 35' or
more. Rotate disks perpendicular to each other.
NOTE: Pay special attention to these installation instructions
for required clearances (air space) to combustibles when
passing through ceilings, walls, roofs, enclosures, attic
rafters, etc. Do not pack air spaces with insulation. Also
note maximum vertical rise of the venting system and any
maximum horizontal offset limitations. Offsets must fall
within the parameters shown in Figures 5.15 and 5.16.
2. Set fireplace in desired location. Drop a line plumb down
from the ceiling to the position of the flue exit. Mark the
center point where the vent will penetrate the ceiling.
Drill a small locating hole a this point.
Drop a plumb line from the inside of the roof to the ceiling
locating hole in the ceiling. Mark the center point where
the vent will penetrate the roof. Drill a small locating hole
at this point.
Flat Ceiling Installation
1. Cut a 101⁄2" (241 mm) square hole in the ceiling using
the locating hole as a center point The opening should
be framed to 101⁄2"x101⁄2" (267 x 267 mm) inside dimensions as shown in Figure 5.16 using framing lumber
the same size as the ceiling joist. If the area above the
ceiling is an insulated ceiling or a room, nail firestop
from the top side. This prevents loose insulation from
falling into the required clearance space. See Figure
5.14. Otherwise, install firestop below the framed hole.
See Figure 5.16
Wall Strap
Nails
45° Elbows
Firestop
FP1669
Ceiling Firestop
Figure 5.14 Offset with Wall Strap and 45° Elbows
Figure 5.15 If Area Above is a Room, Install Firestop
above Framed Hole as Shown
FP1969
offset w/ wallstrap
FP1969
firestop w room above
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
23
10
/"
1 2
101
/2"
FP1970
Firestop
Nails
Figure 5.16 If Area Above is Not a Room, Install Firestop
above Framed Hole as Shown
2. Assemble the desired lengths of pipe and elbows necFP1970
essary to reach from the burner system flue up through
noelbow
roomconnections are
the firestop. Be surefirestop
pipe and
fully twist-locked.
3. Cut a hole in the roof using the locating hole as a center
point. (Cover any exposed open vent pipes before
cutting hole in roof). The 101⁄2"x101⁄2" (267 x 267 mm)
hole must be measured on the horizontal. Actual length
may be larger depending on the pitch of the roof. There
must be a 1" minimum clearance from the vent pipe to
combustible materials. (Insulation should be considered
a combustible material).
4. Connect a section of pipe and extend up through the
hole.
NOTE: If an offset is needed to avoid obstructions, you
must support the vent pipe every three (3) feet. Use wall
straps for this purpose. Page 22, Figure 5.12. Whenever
possible, use 45° elbows instead of 90° elbows. The 45°
elbow offers less restriction to the flow of the flue gases
and intake air.
5. Place the flashing over the pipe section(s) extending
through the roof. Secure the base of the flashing to
the roof and framing with roofing nails. Be sure roofing
material overlaps the top edge of the flashing. There
must be a 1" clearance from the vent pipe to combustible
materials.
6. Continue to add pipe sections until the height of the vent
cap meets the minimum building code requirements as
shown in Figure 5.17.
NOTE: You must increase vent height for steep roof
pitches. Nearby trees, adjoining roof lines, steep pitched
roofs, and other similar factors may cause poor draft or
down-drafting in high winds. Increasing the vent height
may solve this problem.
NOTE: If the vent pipe passes through any occupied areas
above the first floor, including storage spaces and closets,
you must enclose pipe. You may frame and sheetrock the
enclosure with standard construction material. Make sure
to meet the minimum allowable clearances to combustibles.
Do not fill any of the required clearance spaces with
insulation.
Termination Height for Vents above Flat or
Sloped Roofs.
Horizontal Overhang
2 ft.
Min.
Termination
Vent
2 ft. Min.
Lowest
Discharge
Opening
H*
Vertical Wall
12
X
Storm Collar
FP1971
Flashing
Concentric
Vent Pipe
Roof Pitch
Flat to 6/12
Over 6/12 to 7/12
Over 7/12 to 8/12
Over 8/12 to 9/12
Over 9/12 to 10/12
Over 10/12 to 11/12
Over 11/12 to 12/12
H (feet)
1.0
1.25
1.5
2.0
2.5
3.25
4.0
*H - Minimum height from roof to
lowest discharge opening of vent
1" Minimum
Clearances to
Combustibles
Figure 5.17 Minimum Chimney Clearance
FP1971
Min chimney clearance
24
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
6
Appliance Preparation
A. Securing and Leveling the Appliance
WARNING! Risk of Fire! Prevent contact with:
• Sagging or loose insulation
• Insulation backing or plastic
• Framing and other combustible materials
Block openings into the chase to prevent entry of blownin insulation. Make sure insulation and other materials
are secured.
DO NOT notch the framing around the appliance
standoffs.
Failure to maintain air space clearance may cause
overheating and fire.
The diagram shows how to properly position and secure
the appliance. See Figure 6.1. Nailing tabs are provided
to secure the appliance to the framing members.
• Bend out nailing tabs on each side.
• Place the appliance into position.
• Keep nailing tabs flush with the framing.
• Level the appliance from side to side and front to back.
• Shim the appliance as necessary. It is acceptable to use
wood shims underneath the appliance.
Figure 6.1 Proper positioning, leveling and securing of an
appliance
• Secure the appliance to the framing by using nails or
screws through the nailing tabs.
• Secure the appliance to the floor by inserting two screws
through the pilot holes at the bottom of the appliance.
• Optional: Secure the appliance to the floor by inserting
two screws through the pilot holes at the bottom of the
appliance.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
25
7
Venting and Chimneys
A. Assemble Vent Sections
(DVP Pipe Only)
Attach Vent to the Firebox Assembly
from horizontal to vertical, one screw minimum should be put
in the outer flue at the horizontal elbow joint to prevent the
elbow from rotating. Use screws no longer than 1/2 in. (13
mm). If predrilling screw holes, DO NOT penetrate inner pipe.
Note: The end of the pipe sections with the lanced tabs
will face toward the appliance.
Attach the first pipe section to the starting collar:
• Lanced pipe end of the starting collar.
• Inner pipe over inner collar.
• Push the pipe section until all lanced tabs snap in place.
• Lightly tug on pipe to confirm it has locked.
Required Commercial, Multi-family (Multi-level exceeding
two stories), or High-Rise Applications
All outer pipe joints must be sealed with 100% silicone
(300ºF minimum continuous exposure rating), including
the slip section that connects directly to the horizontal termination cap.
• Apply a bead of silicone sealant (300ºF minimum continuous exposure rating) inside the female outer pipe
joint prior to joining sections. See Figure 7.1. OR
Figure 7.1 High Temperature Silicone Sealant
Apply a bead of silicone sealant (300ºF minimum continuous exposure rating) to the outside of connecting
joint after joining sections OR
A
Apply aluminum foil tape (300ºF minimum continuous
exposure rating) to the outside of connecting joint after
joining sections. On horizontal pipe runs, it is recommended that the tape seam is positioned on the bottom
side of the vent pipe.
• Only outer pipes need to be sealed. All unit collar, pipe,
slip section, elbow and cap outer flues shall be sealed
in this manner, unless otherwise stated.
WARNING! Risk of Fire or Explosion! DO NOT break
silicone seals on slip sections. Use care when removing termination cap from slip pipe. If slip section seals
are broken during removal of the termination cap, vent
could leak.
Lances
B
Figure 7.3
Figure 7.2
Note: Make sure that the seams are not aligned to prevent
unintentional disconnection.
Assemble Pipe Sections
Per Figure 7.2:
• Start the inner pipe on the lanced end of section A into
the flared end of section B.
CORRECT
• Start the outer pipe of section A over the outer pipe of
section B.
• Once both vents sections are started, push firmly until
all lanced tabs lock into place.
• Lightly tug on the pipe to confirm the tabs have locked.
It is acceptable to use screws no longer than 1/2 in. (13
mm) to hold outer pipe sections together. If predrilling holes,
DO NOT penetrate inner pipe.
For 90º and 45º elbows that are changing the vent direction
26
Figure 7.4 Seams
INCORRECT
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
B. Assemble Slip Sections
C. Secure the Vent Sections
• Slide the inner flue of the slip section into the inner flue
of the pipe section and the outer flue of the slip section
over the outer flue of the pipe section. See Figure 7.5.
• Vertical runs originating off the top of the appliance, with
no offsets, must be supported every 8 ft. (2.44 m) after
the maximum allowed 25 ft. (7.62 m) of unsupported rise.
• Slide together to the desired length.
• Vertical runs originating off the rear of the appliance, or
after any elbow, must be supported every 8 ft. (2.44 m).
• Horizontal runs must be supported every 5 feet (1.52
m).
• Vent supports or plumbers strap (spaced 120º apart)
may be used to support vent sections. See Figures 7.7
and 7.8.
• Wall shield firestops may be used to provide horizontal
support to vent sections.
Pilot hole
Figure 7.5 Slip Section Pilot Holes
• Maintain a 1-1/2 in. (38 mm) overlap between the slip
section and the pipe section.
• Secure the pipe and slip section with two screws no
longer than 1/2 in. (13 mm), using the pilot holes in the
slip section. See Figure 7.6.
• SLP ceiling firestops have tabs that may be used to
provide vertical support.
WARNING! Risk of Fire, Explosion or Asphyxiation!
Improper support could allow vent to sag and separate.
Use vent run supports and connect vent sections per installation instructions. DO NOT allow vent to sag below
connection point to appliance.
120º
Figure 7.7 Securing Vertical Pipe Sections
Figure 7.6 Screws into Slip Section
• Continue adding pipe as necessary following instructions
in “Assembling Pipe Sections.”
120º
NOTICE: If slip section is too long, the inner and outer
flues of the slip section can be cut to the desired length.
NOTICE: When installing a vent system with an HRC
termination cap, all pipe system joints shall be sealed
using a high temperature silicone sealant (300ºF minimum
continuous exposure rating).
• Apply a bead of silicone sealant (300ºF minimum
continuous exposure rating) inside the female outer pipe
joint prior to joining sections.
Figure 7.8 Securing Horizontal Pipe Sections
• Only outer pipes are sealed, sealing the inner flue is not
required.
• All unit collar, pipe, slip section, elbow and cap outer
flues shall be sealed.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
27
D. Disassemble Vent Sections
E. Vertical Termination Requirements
• Rotate either section (see Figure 7.9) so the seams on
both pipe sections are aligned as shown in Figure 7.10.
Install Metal Roof Flashing
• Pull carefully to separate the pieces of pipe.
• See minimum vent heights for various pitched roofs
(Figure 7.11) to determine the length of pipe to extend
through the roof.
• Slide the roof flashing over the pipe sections extending
through the roof as shown in Figure 7.12.
HORIZONTAL
OVERHANG
2 ft.
MIN.
20 in. MIN.
VERTICAL
WALL
LOWEST
DISCHARGE
OPENING
GAS DIRECT VENT
TERMINATION CAP
Figure 7.9 Rotate Seams for Disassembly
12
X
ROOF PITCH
IS X/ 12
H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
Figure 7.10 Align and Disassemble Vent Sections
Roof Pitch
H (Min.) Ft.
Flat to 6/12........................................1.0*
Over 6/12 to 7/12............................. 1.25*
Over 7/12 to 8/12............................... 1.5*
Over 8/12 to 9/12............................... 2.0*
Over 9/12 to 10/12............................. 2.5*
Over 10/12 to 11/12.......................... 3.25
Over 11/12 to 12/12............................ 4.0
Over 12/12 to 14/12............................ 5.0
Over 14/12 to 16/12............................ 6.0
Over 16/12 to 18/12............................ 7.0
Over 18/12 to 20/12............................ 7.5
Over 20/12 to 21/12............................ 8.0
* H minimum may vary depending on
regional snowfall. Refer to local codes.
Figure 7.11 Minimum Height From Roof to Lowest Discharge
Opening
NOTICE: Failure to properly caulk the roof flashing and
pipe seams could permit entry of water.
• Caulk the gap between the roof flashing and the outside
diameter of the pipe.
• Caulk the perimeter of the flashing where it contacts the
roof surface. See Figure 7.13.
• Caulk the overlap seam of any exposed pipe sections
that are located above the roof line.
28
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
Install Vertical Termination Cap
CAULK
• Attach the vertical termination cap by sliding the inner
collar of the cap into the inner flue of the pipe section
while placing the outer collar of the cap over the outer
flue of the pipe section.
• Secure the cap by driving three self-tapping screws
(supplied) through the pilot holes in the outer collar of
the cap into the outer flue of the pipe (see Figure 7.14).
Figure 7.12
Assemble and Install Storm Collar
CAUTION! Risk of Cuts, Abrasions or Flying Debris.
Wear protective gloves and safety glasses during installation. Sheet metal edges are sharp.
•
•
Slide the storm collar onto the exposed pipe section
and align brackets.
Insert a bolt (provided) through the brackets and install
nut. Do not completely tighten.
Figure 7.14
Figure 7.13 insert Bolt into Brackets
•
Slide the assembled storm collar down the pipe section
until it rests on the roof flashing (see Figure 7.13).
•
Tighten nut and make sure the collar is tight against the
pipe section.
•
Caulk around the top of the storm collar. See Figure 7.14.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
29
F. Horizontal Termination Requirements
Install Horizontal Termination Cap
Heat Shield Requirements for Horizontal
Termination
WARNING! Risk of Fire! The telescoping flue section of the termination cap MUST be used when connecting vent.
WARNING! Risk of Fire! To prevent overheating and fire,
heat shields must extend through the entire wall thickness.
• DO NOT remove the heat shields attached to the
wall shield firestop and the horizontal termination cap
(shown in Figure 7.15).
• Heat shields must overlap 1-1/2 in. (38 mm) minimum.
There are two sections of the heat shield. One section
is factory-attached to the wall shield firestop. The other
section is factory-attached to the cap. See Figure 7.15.
If the wall thickness does not allow the required 1-1/2 in.
(38 mm) heat shield overlap when installed, an extended
heat shield must be used.
• If the wall thickness is less than 4 in./102 mm (DVP)
or 4-3/8 in./ 111 mm (SLP), the heat shields on the cap
and wall shield firestop must be trimmed. A minimum
1-1/2 in. (38 mm) overlap MUST be maintained.
• 1-1/2 (38 mm) minimum overlap of flue telescoping
section is required.
Failure to maintain overlap could cause overheating and
fire.
• Vent termination must not be recessed in the wall. Siding
may be brought to the edge of the cap base.
• Flash and seal as appropriate for siding material at
outside edges of cap.
• When installing a horizontal termination cap, follow
the cap location guidelines as prescribed by current
ANSI Z223.1 and CAN/CGA-B149 installation codes
and refer to Section 4 of this manual.
CAUTION! Risk of Burns! Local codes may require installation of a cap shield to prevent anything or anyone
from touching the hot cap.
NOTICE: When penetrating a brick wall, a brick extension
kit is available for framing the brick.
• Use an extended heat shield if the finished wall
thickness is greater than 7-1/4 in. (184 mm).
• The extended heat shield may need to be cut to length
maintaining sufficient length for a 1-1/2 in. (38 mm)
overlap between heat shields.
• Attach the extended heat shield to either of the existing
heat shields using the screws supplied with the extended
heat shield. Refer to vent components diagrams in the
back of this manual.
• Rest the small leg on the extended heat shield on top
of the pipe section to properly space it from the pipe
section.
Important Notice: Heat shields may not be field constructed.
30
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
8
Electrical Information
A. General Information
Junction Box Installation
WARNING! Risk of Shock or Explosion! DO NOT wire
110-120 VAC to the valve or to the appliance wall switch.
Incorrect wiring will damage controls.
• Pull the electrical wires from outside the appliance through
the opening into the valve compartment and secure wires
with a Romex connector. See Figure 8.1.
NOTICE: This appliance must be electrically wired
and grounded in accordance with local codes or, in the
absence of local codes, with National Electric Code
ANSI/NFPA 70-latest edition or the Canadian Electric
Code CSA C22.1.
• Make all necessary wire connections to the junction box/
receptacle and reattach the junction box/receptacle to
the outer shell.
• Wire the appliance junction box to unswitched 110120 VAC. This is required for proper operation of the
appliance (Intellifire ignition).
• A 110-120 VAC circuit for this product must be protected
with ground-fault circuit-interrupter protection, in
compliance with the applicable electrical codes, when
it is installed in locations such as in bathrooms or near
sinks.
• Low voltage and 110-120 VAC voltage cannot be shared
within the same wall box.
Figure 8.1 Junction Box Detail
Accessories Requirements
• This appliance may be used with a wall switch, wall
mounted thermostat and/or a remote control.
Wiring for optional Hearth & Home Technologies approved
accessories should be done now to avoid reconstruction.
Follow instructions that come with those accessories.
Electrical Service and Repair
WARNING! Risk of Shock! Label all wires prior to disconnection when servicing controls. Wiring errors could
cause improper and dangerous operation. Verify proper
operation after servicing.
WARNING! Risk of Shock! Replace damaged wire with
type 105º C rated wire. Wire must have high temperature
insulation.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
31
B. Wiring Requirements
Intellifire™ Touch Ignition System Wiring
NOTICE: Batteries should only be used as a power source
in the event of an emergency power outage. Batteries
should not be used as a primary long-term power source.
Battery polarity must be correct when installing batteries.
When using batteries as a power source, the 6-volt
transformer must be unplugged from the receptacle.
• Wire the appliance junction box to 110-120 VAC for
proper operation of the appliance.
WARNING! Risk of Shock or Explosion! DO NOT wire
IFT controlled appliance junction box to a switched circuit.
Incorrect wiring will override IFT safety lockout.
Do not store batteries in the battery pack when the
appliance is powered by the 6 volt transformer connected
to permanent electrical service.
• Refer to Figure 8.3 or 8.4, IFT Wiring Diagram.
• This appliance is equipped with an Intellifire™ Touch
control valve which operates on a 6 volt/1.5 AMP system.
• Plug the 6 volt transformer plug into the appliance junction
box to supply power to the unit OR install 4 AA cell
batteries (not included) into the battery pack before use.
FLAME
SENSE
IGNITER
ADAPTER
IFT-RC400
REMOTE
CONTROL
WIRE ASSEMBLY
S
MODULE
RESET
SWITCH
TO JUNCTION
BOX 110-120
VAC
I
RF MODULE
GRN/WHT/BLK
ORANGE
(PILOT)
LED
CONTROL
6 PIN
GREEN
(MAIN)
BLK
BRN
RED/
BLK
RED/
BLK
POWER VENT
(OPTIONAL)
ACCESSORY CABLE
BRN
BLK
BRN
RED
JUMPER WIRE
RED
Figure 8.3 IFT Wiring Diagram
32
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
9
Gas Information
A. Fuel Conversion
C. Gas Connection
• Make sure the appliance is compatible with available gas
types.
• Refer to Reference Section 3 for location of gas line
access in appliance.
• Conversions must be made by a qualified service
technician using Hearth & Home Technologies specified
and approved parts.
• Gas line may be run through knockout(s) provided.
B. Gas Pressure
• Optimum appliance performance requires proper input
pressures.
• Gas line sizing requirements will be determined in ANSI
Z223.1 National Fuel Gas Code in the USA and CAN/
CGA B149 in Canada.
• Ensure that gas line does not come in contact with outer
wrap of the appliance. Follow local codes.
• Pipe incoming gas line into valve compartment.
• Connect incoming gas line to the 1/2 in. (13 mm)
connection on manual shutoff valve.
• Pressure requirements are:
Gas Pressure
• The gap between supply piping and gas access hole
may be caulked with caulk with a minimum of 300
ºF continuous exposure rating or stuffed with noncombustible, unfaced insulation to prevent cold air
infiltration.
WARNING! Risk of Fire or Explosion! Support control
when attaching pipe to prevent bending gas line.
Natural Gas
Propane
Minimum inlet pressure
5.0 in. w.c.
11.0 in. w.c.
Maximum inlet pressure
10.0 in. w.c.
13.0 in. w.c.
• A small amount of air will be in the gas supply lines.
Manifold pressure
3.5 in. w.c.
10.0 in. w.c.
WARNING! Risk of Fire or Explosion! Gas build-up
during line purge could ignite.
WARNING! Risk of Fire or Explosion! High pressure
will damage valve. Low pressure could cause explosion.
• Verify inlet pressures. Verify minimum pressures when
other household gas appliances are operating.
• Install regulator upstream of valve if line pressure is
greater than 1/2 psig.
WARNING
Fire Risk.
Explosion Hazard.
High pressure will damage valve.
• Disconnect gas supply piping BEFORE
pressure testing gas line at test pressures
above 1/2 psig.
• Close the manual shutoff valve BEFORE
pressure testing gas line at test pressures
equal to or less than 1/2 psig.
Note: Have the gas supply line installed in accordance with
local codes, if any. If not, follow ANSI 223.1. Installation
should be done by a qualified installer approved and/or
licensed as required by the locality. (In the Commonwealth
of Massachusetts installation must be performed by a
licensed plumber or gas fitter).
Note: A listed (and Commonwealth of Massachusetts approved) 1/2 in. (13 mm) T-handle manual shut-off valve
and flexible gas connector are connected to the 1/2 in. (13
mm) control valve inlet.
• If substituting for these components, please consult
local codes for compliance.
• Purge should be performed by qualified service
technician.
• Ensure adequate ventilation.
• Ensure there are no ignition sources such as sparks or
open flames.
Light the appliance. It will take a short time for air to purge
from lines. When purging is complete the appliance will
light and operate normally.
WARNING! Risk of Fire, Explosion or Asphyxiation!
Check all fittings and connections with a non-corrosive
commercially available leak-check solution. DO NOT use
open flame. Fittings and connections could have loosened during shipping and handling.
WARNING! Risk of Fire! DO NOT change valve settings.
This valve has been preset at the factory.
D. High Altitude Installations
NOTICE: If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.
When installing above 2000 feet elevation:
• In the USA: Reduce input rate 4% for each 1000 feet
above 2000 feet.
• In CANADA: Input ratings are certified without a
reduction of input rate for elevations up to 4500 feet
(1370 m)above sea level. Please consult provincial and/
or local authorities having jurisdiction for installations at
elevations above 4500 feet (1370 m).
Check with your local gas utility to determine proper
orifice size.
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
33
10
Finishing - Final Installation
B. Installation Instructions for Outdoor Side
A. Facing Material
• Metal front faces may be covered with non-combustible
materials only.
• Facing and/or finishing materials must not interfere with
air flow through louvers, operation of louvers or doors,
or access for service.
• Facing and/or finishing materials must never overhang
into the glass opening.
• Observe all clearances when applying combustible
materials.
• Seal joints between the finished wall and appliance top
and sides using a 300 ºF minimum sealant. Refer to
Figure 10.1.
1. Install installation brackets and framing stand-offs.
Installation brackets can be positioned to accommodate the thickeness of the outer wall sheeting. Framing
stand-offs can be oirented in two (2) positions according to the location of the fireplace relative to the wall
framing. See Figure 10.2.
2. Position fireplace in final installation location and.
Secure the installation brackets to the wall framing.
Install electrical supply, gas supply and venting
according to installation instructions supplied with
your fireplace.
WARNING! Risk of Fire! DO NOT apply combustible
materials beyond the minimum clearances. Comply with
all minimum clearances to combustibles as specified in
this manual. Overlapping materials could ignite and will
interfere with proper operation of doors and louvers.
Noncombustible Material
Must Extend Above Stand-off
Height
NOTICE: Surface temperatures around the appliance will
become warm while the appliance is in operation. Ensure
finishing materials used for all surfaces (floor, walls,
mantels, etc.) will withstand temperatures up to 190 °F.
COMBUSTIBLE MATERIAL
47-1/2 in.
(1207 mm)
0 in.
0 in.
NON-COMBUSTIBLE
BOARD
Sheeting can go to
Zero Clearance on
Sides of Unit
Framing Stand-off, reuse
from Original face
0 in.
44-1/2 in.
(1130 mm)
Adjustible
Installation Bracket
Figure 10.2
High Temperature Sealant (300 °F / 149 °C min.)
Top and Side Seal Joint
Figure 10.1 Non-combustible Facing Diagram
34
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
3. Install facing material to overlap the face of the
fireplace by at least 3/4 in. (19 mm), apply high temp
weather adhesive sealant between the face of the
fireplace and the facing material to ensure the fireplace is sealed from the weather outside following the
parameters in Figure 10.3.
5. For placement of house wrap or building paper and
tape see Figure 10.4. Special care should be taken
when choosing building materialsor weatherproofing
(i.e. buiding wraps, sealant tapes, liquid sealants,
rubberized flashings, etc.).All sealant materials or
building wraps installaed must be approved to a
minimum temperature of 225 °F (124 °C) continuous
exposure. Consult the material’s manufacturer to
ensure product compliance.
CAUTION: The house wrap should not come
any lower than 4-1/4 in. (6 mm) below the bend
on the metal flashing. See Figure 10.5.
Seal this Seam
with Caulk (Both
Sides)
Facing Material
Must Overlap Face
by at 3/4 in. (19 mm)
Facing Material
Must NOT Extend
Beyond This Edge
Seal Along Bottom
Edge with Caulk
NOTE: Seal along bottom edge and boundary of facing
matieral with caulk.
Figure 10.3
4. Install wall sheeting around the fireplace. Sheeting
can go to zero clearance on sides of the fireplace an on
top of the metal flashing.
SHEETING
COMBUSTIBLE
HOUSE WRAP
4-1/2 in.
(108 mm)
HOUSE WRAP
OVERLAP
8-3/4 in. (222 mm)
FLASHING
6. Install facing material to overlap the fireplace by at
least 3/4 in. (19 mm), apply high temp weather adhesive sealant around the perimeter of the faming material and the fireplace. Also seal along the bottom edge
of the fireplace. See Figure 10.3
HOUSE WRAP**
(BUILDING PAPER)
OVERLAP FLASHING
4-1/4 in. (108 mm)
WALL STUD
8 in. (223 mm)
NON-COMBUSTIBLE
ZONE
NON-COMBUSTIBLE
SHEETING (PROVIDED)
FIREPLACE
HEADER
RAIN FLASHING
3/4 in. (19 mm)
FLASHING
OVERLAP
4-1/4 in. (108 mm)
TOP OF RAIN FLASHING
TO EDGE OF HOUSE WRAP
TOP OF FIREPLACE
3/4 in. (19 mm)
OVERLAP
3-3/4 in. (95 mm)
FROM TOP OF
FIREPLACE TO
HOUSE WRAP
Figure 10.5
Figure 10.4
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
35
NOTE: You must first remove the Safety Barrier Screen
before you remove the glass frame. To remove the barrier, lift up and pull out until the tabs are clear of their
corresponding slots on the firebox. Then proceed to
remove the glass frame by:
1. Remove the plate located in front of the glass at the
bottom.
2. Rotate the access doors on the right and left side of the
glass toward the glass.
3. Remove glass frame by releasing the three latches
located at the top of the firebox. Tilt glass away from
the unit, lift glass frame up and away from the unit. See
Figure 10.6.
CAUTION
Glass Frame Removal (Interior Side)
Each clamp has a quick spring force. When
reinstalling clamps, keep fingers clear.
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 provided with this appliance and shall
be installed for the protection of children and
other at risk individuals.
20306543
SAFETY BARRIER
GLASS FRAME
Figure 10.6 Remove Safety Barrier and Glass Frame
36
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
Glass Frame Removal (Outdoor Side)
1. Remove the top trim at the top of the stainless steel
outdoor face see Figure 10.7.
2. Remove the stainless steel screen face by lifting up and
out. See Figure 10.7.
3. Remove exterior glass door assembly by unfastening
the top four machine bolts, the two side bolts and the two
bottom corner bolts. Loosen the two middle bottom bolts
but do not remove total to help support the assembly.
See Figure 10.7.
4. Lift glass frame assembly up and out.
5. Remove the stainless steel inner frame by unfastening
the two machine bolts at the bottom and the ten stainless
steel screws that secure the inner frame to the stainless
steel face. Pull the inner frame out. See Figure 10.7.
6. Remove the inner glass frame by releasing the three
latches located at the top of the firebox. Tilt glass frame
away from the unit. Lift the glas frame up and away
from the unit. See Figure 10.7.
STAINLESS STEEL
INNER FRAME
EXTERIOR
GLASS DOOR
STAINLESS STEEL
OUTDOOR FACE
TOP TRIM
STAINLESS STEEL
SCREEN
INNER GLASS
FRAME ASSEMBLY
Figure 10.7 Remove Safety Barrier and Glass Frame
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
37
Light Installation
Brick Installation
1. Remove barrier screen by lifting up and out.
1. It is easier to remove the grate on the outdoor side
from inside of the unit in order to be able to place the
two hearth brick in place by unfastening the two
screws that secure the grate. Replace the grate after
brick are installed.
2. Remove glass frame assembly by unlatching the
three latches at the top of the firebox. Tilt the glass
up and out.
3. Remove the five (5) screws securing each light box and
remove from the unit Figure
2. Install the vour (4) hearth brick pieces, two on each
side of the unit, in front of the burners from the indoor
side.
3. Place the floor brick panels on the brick supports
between the hearth bricks.
Note: Wall bricks are different, the combustion air
side has cut out at the bottom.
A
4. Place the wall brick panels against the firebox walls,
setting on the floor and hearth bricks. The wall brick
will be held in place by the brick retainer tab on the
light box cover. See Figure 10.10.
5. The brick retainer tab can be bent to a different angle
to hold the wall brick panels in place more firmly if
necessary.
Wall Brick
Figure 10.8 Light Box Removal
3. The light bulbs are included in the Homeowner's Manual
packet. Install the light bulbs into bulb sockets as shown
in Figure 10.8. CAUTION: Finger prints or the transfer
of oil from hands will reduce the lifespan of the bulbs. It
is advisable to handle the light bulbs with a clean cloth.
4. The light lenses, lens retainer brackets and screws are
included in the Homeowner’s Manual packet. Install the
light lenses into the light cover box and secure with the
lens retainer brackets and screws as shown in Figure
10.9.
Lens
Lens Retainer
Bracket (26D3320K)
Light Box Cover
Floor Brick
Hearth Brick
Figure 10.10 Install Brick
FP2592
install brick
Light Box Cover
Figure 10.9 Lense Retainer Bracket Removal
38
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
Rock Wool Placement
Place rock wool evenly in dime-sized pieces over front
and rear burner both in front and behind rear grate. For
the middle burner, place the rock wool only on the carryover areas between the flames. To better enable the gas
to permeate the rock wool, apply the rock wool in light,
fluffy pieces.
WARNING
Do not use the entire bag of rock wool to
cover the burner. This could cause the flame
to burn poorly and may lead to sooting.
Figure 10.11 Rockwool placement
LG725
rockwool
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
39
C. Log Placement Instructions
NOTE: LOG PLACEMENT INSTRUCTIONS ARE FROM THE INDOOR SIDE OF THE FIREPLACE.
1. Facing the indoor side of the fireplace and holding log #1
in your right hand with the widest end of the log toward
you. Place the log over the pilot, making sure to locate
notches in log over the first grate tine from right on the
far side and the first two grate tines from the right on
the closest side of the fireplace.
second tine from the right. Position log with the inside
face of the log perpendicular to the middle burner. Slide
log to the right, there will be a slight gap between the
right end of the log and log #1 (about 3/8 inch.)
Log #3
Log #1
Figure 10.12
Figure 10.10
2. While holding log #2 in your left hand with the wide
end of the log away from you and the flat edge on the
bottom left, place the log over the left end of all three
burners, making sure to align the notches in the log with
the first grate tine from the left on both the far side and
the closest rear grates.
4. Holding log #4 in your right hand with the narrow end
down, place the log on the lug of log #1 that is toward
the outside. Make sure to locate the notch at the narrow
end of the log over the third grate tine from the right. The
inside edge facing you of the log should rest against log
#3.
Log #2
Log #4
Figure 10.11
3. Hold log #3 with the fat end to the left and the narrow
end to your right. Place the log over the lug on the top
of log #2 closest to the outside making sure to align the
bump on the narrow end against the inside edge of the
40
Figure 10.13
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
5. Hold log # 5 in your right hand with the knots at each
end of the log facing you and the notched end on your
left, place the log on the lug on the top of log #1 with
the notch in the bottom of the log resting on the third
grate tine from the right.
7. Hold log #7 with the “Y” pointing away from you and
place the log seated firmly on the lug located on the
top of log #3. This log should be positioned 2 to 2-1/2
inches above the burner.
Log #7
Log #5
Figure 10.16
Figure 10.14
6. Hold log #6 in your left hand with the narrow cut end of
the “Y” toward you and pointing up. Place the log on
the lug on the top of log #2 with the bottom of the log
resting securely on top of the second grate tine from
the left creating a “V” shape with log #5.
8. Hold log #8 with the narrow end away from you and
place on the key located on the narrow end of log #5.
Make sure to rest the narrow end of log #8 on the bracket
nearest to you on the middle burner.
Log #8
Log #6
Figure 10.15
Figure 10.15
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
41
CERTIFIED
SAFETY BARRIER
Safety Barrier Installation Instructions
NOTE: A barrier designed to reduce the risk of burns
from the hot viewing glass is provided with this
appliance and shall be installed for the protection of
children and other at risk individuals. If the barrier
becomes damaged, the barrier shall be replaced with
the manufacturer's barrier for this appliance.* Any
safety screen, guard, or barrier removed for servicing
the appliance must be replaced prior to operating the
appliance.
* See parts list for model number.
1. Remove screen from packaging.
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 provided with this appliance and shall
be installed for the protection of children and
other at risk individuals.
20306543
WARNING: The safety screen barrier
must be installed after the glass front is
in place. It is NOT a replacement for the
glass and the unit must NOT be operated without the glass in place.
2. Align the four slots on the sides of the screen frame
(two top, two bottom) Figure 45 with the corresponding shoulder bolts on the firebox Figure 46.
3. Slide the screen down onto the shoulder bolts until it
fits securely in place.
4. Repeat on other side.
NOTICE: It is the responsibility of the installer to ensure
the barrier is affixed to the fireplace at the time of installation.
Tabs
(two per side)
Figure 10.17
42
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
11
Reference Materials
A. Vent Components Diagrams
Pipe
Millimeters
4
102
DVP6
6
152
DVP12
12
305
DVP24
24
610
DVP4
Effective
Height/Length
DVP Pipe (see chart)
Effective Length
Inches
10-1/2 in.
(267 mm)
45 °
4-7/8 in.
(124 mm)
10-7/8 in.
(276 mm)
DVP36
36
914
DVP48
48
1219
DVP6A
3 to 6
76 to 152
DVP12A
3 to 12
76 to 305
DVP45 (45º Elbow)
11-3/8 in.
(289 mm)
20-3/4 in.
(527 mm)
10 in.
(254 mm)
1 in.
(25 mm)
7-3/8 in.
(187 mm)
Tab=1 in.
(25.4 mm)
Finished Height: 19-3/4 in./502 mm
UNIV-AS2 (Attic Insulation Shield)
9-1/4 in.
(235 mm)
13-1/4 in.
(337 mm)
1- 1/2 in.
(38 mm)
10 in.
(254 mm)
1-1/4 in. (32 mm)
10 in.
(254 mm)
1/2 in. TYP
(13 mm)
DVP90ST (90° Elbow)
DVP-FS (Ceiling Firestop)
UP
5 in.
(127 mm)
12 in.
(305 mm)
12 in.
(305 mm)
1 in.
(25 mm)
DVP-HVS (Vent Support)
8 in.
(203 mm)
14 in.
(356 mm)
14 IN.
(356 MM)
20 IN.
(508 MM)
6 in.
(152 mm)
14 IN.
(356 MM)
12 IN.
(305 MM)
DVP-RDS
ROOF DECK INSULATION SHIELD
DVP-WS (Wall Shield Firestop)
Figure 11.1 DVP Vent Components
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
43
A. Vent Components Diagrams (continued)
Note: Heat shields MUST overlap by a minimum of 1-1/2 in. (38 mm). The heat shield is designed to be
used on a wall 4 in. to 7-1/4 in. (102 mm to 184 mm) thick. If wall thickness is less than 4 in. (102 mm) the
existing heat shields must be field trimmed. If wall thickness is greater than 7-1/4 in. (184 mm) a DVP-HSM-B
will be required.
8 in.
(203 mm)
Heat
Shield
15-1/8 in.
(384 mm)
Term Cap
12 in.
(305 mm)
DVP-TRAP
Horizontal Termination Cap
Max
Effective
Length
Trap1
Trap2
Minimum
Effective Length
Maximum
Effective Length
3-1/8 in.
4-5/8 in.
79 mm
117 mm
5-3/8 in.
9-3/8 in.
137 mm
238 mm
DVP-TRAP1
DVP-TRAP2
DVP-TRAPK1
DVP-TRAPK2
Figure 11.2 DVP Vent Components
44
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
A. Vent Components Diagrams (continued)
31 in.
(787 mm)
13-1/4 in.
(337 mm)
24-5/8 in.
(625 mm)
27-1/2 in.
(699 mm)
24-5/8 in.
(625 mm)
13-1/4 in.
(337 mm)
RF6
Roof Flashing
RF12
Roof Flashing
11-7/8 in.
(302 mm)
5 in.
(127 mm)
13-7/8 in.
(352 mm)
DVP-TRAPFL
Flashing
DVP-BEK2
DVP-HPC Cap Brick Extension
11-5/8 in.
(295 mm)
12-1/8 in.
(308 mm)
7-1/8 in.
(181 mm)
5-3/4 in.
(146 mm)
COOL-ADDM
Cap Shield
13-7/8 in.
(352 mm)
26 in.
660 mm
DVP-HSM-B
Extended Heat Shield
9-1/2 in.
(241 mm)
14 in.
(356 mm)
DRC-RADIUS
Cap Shield
Figure 11.3 DVP Vent Components
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
45
A. Vent Components Diagrams (continued)
7-3/8 in.
(187 mm)
1-1/2 in.
(38 mm)
14 in.
(356 mm)
17-3/4 in.
(451 mm)
6 in.
152 mm
12 in.
(305 mm)
DVP-TB1
Basement Vent Cap
12 in.
305 mm
7-1/4 in.
(184 mm)
16-7/8 in.
(429 mm)
14 in.
(356 mm)
12-1/2 in.
(318 mm)
5-1/4 in.
(133 mm)
12 in.
(305 mm)
DVP-TVHW
VerticalTermination Cap (Highwind)
Figure 11.4 DVP Vent Components
46
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
A. Vent Components Diagrams (continued)
Optional Wire Harness
DESCRIPTION
13-5/8 IN.
346 mm
EFFECTIVE LENGTH
32 IN. (813 mm) MIN.
35 IN. (889 mm) MAX.
12-1/2 IN.
318 mm
PART NUMBER
10 FT PV Wire Harness
PVI-WH10
20 FT PV Wire Harness
PVI-WH20
40 FT PV Wire Harness
PVI-WH40
60 FT PV Wire Harness
PVI-WH60
80 FT PV Wire Harness
PVI-WH80
100 FT PV Wire Harness
PVI-WH100
Note: Wire harnesses required to power the PVI-SLP
connect to the appliance and are ordered separately from
PVI-SLP. Contact your dealer to order.
20-3/4 IN.
527 mm
Note: Use only approved termination caps with the PVISLP. See instructions included with PVI-SLP kit.
PVI-SLP
Power Vent Inline
16 IN.
406 mm
9-3/16 IN.
(233 mm)
13-5/8 IN.
(346 mm)
12-1/2 IN.
(318 mm)
Figure 11.5 Vent Components
4-1/2 IN.
114 mm
15 IN.
(381 mm)
16-11/16 IN.
424 mm
16-11/16 IN.
(424 mm)
SLP-LPC
SLP Low Profile Cap
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
47
A. Vent Components Diagrams (continued)
Top View
6-1/4 IN.
159 mm
1-1/2 IN.
38 mm
Front View
15-1/2 IN.
394 mm
Side View
2-1/4 IN.
57 mm
4-3/4 IN.
121 mm
8 IN.
203 mm
14 IN.
356 mm
11-1/2 IN.
292 mm
4-3/8 IN.
112 mm
10 IN.
254 mm
9-1/2 IN.
241 mm
5-1/4 IN.
135 mm
2-1/4 IN.
57 mm
PVLP-SLP
Power Vent Low Profile
Required Wire Harness
DESCRIPTION
PART NUMBER
10 FT PV Wire Harness
PVI-WH10
20 FT PV Wire Harness
PVI-WH20
40 FT PV Wire Harness
PVI-WH40
60 FT PV Wire Harness
PVI-WH60
80 FT PV Wire Harness
PVI-WH80
100 FT PV Wire Harness
PVI-WH100
PVLP-BEK
Brick Kit
Note: Wire harnesses required to power the PVLP-SLP
connect to the appliance and are ordered separately from
PVLP-SLP. Contact your dealer to order.
Note: A PVLP-HS heat shield is available and sold
separately. Use if the PVLP-SLP is installed in a high traffic
area.
PVLP-HS
Heat Shield
Figure 11.6 PVLP-SLP Vent Components
48
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
A. Vent Components Diagrams (continued)
Note: SLP pipe is only allowed when using Power Vent system.
6-1/2 in.
165 mm
6-1/2 in.
165 mm
8-3/4 in.
222 mm
6-1/2 in.
165 mm
9-1/4 in.
235 mm
6 in.
152 mm
6-5/8 in.
168 mm
SLP45
45° Elbow
6-5/8 in.
168 mm
9-7/8 in.
251 mm
Effective Height/Length
Effective
Height/
Length
SLP PIPE
10-7/8 in.
276 mm
SLP90
90° Elbow
Pipe
inches
mm
SLP4
4
102
SLP6
6
152
SLP12
12
305
SLP24
24
610
SLP36
36
914
SLP48
48
1219
SLP6A
2-6
51 - 152
SLP12A
2 - 12
51 - 305
SLP-FLEX-2
24
610
SLP-FLEX-3
36
914
SLP-FLEX-5
60
1524
SLP-FLEX-10
120
3048
6-1/2 in.
165 mm
25-3/16 in.
640 mm
8-1/16 in.
205 mm
1-1/2 in.
38 mm
8-7/8 in.
225 mm
DVP-SLP24
Adapter
SLP-HVS
Horizontal Pipe
Support
8-11/16 in.
220 mm
8-11/16 in.
220 mm
SLP-FS
Ceiling Firestop
12 in.
305 mm
1-1/2 in.
38 mm
12 in.
305 mm
5-1/2 in.
146 mm
SLP-WS
Wall Shield Firestop
Figure 11.7 SLP Series Vent Components
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
49
B. Accessories
Remote Controls, Wall Controls and Wall
Switches
Follow the instructions supplied with the control installed
to operate your fireplace:
For safety:
• Install a switch lock or a wall/remote control with child
protection lockout feature.
• Keep remote controls out of reach of children.
See your dealer if you have questions.
Outdoor Lifestyles, a brand of Hearth & Home Technologies
7571 215th Street West, Lakeville, MN 55044
www.outdoorlifestylesproducts.com
Please contact your Outdoor Lifestyles dealer with any questions or concerns.
For the location of your nearest Outdoor Lifestyles dealer,
please visit www.outdoorlifestylesproducts.com
Printed in U.S.A. - Copyright 2016
50
Outdoor Lifestyles by Hearth & Home Technologies • Fortress - ODFORTG-36 Installation Manual • 4602-901 Rev G • 11/19
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