Astria Fireplaces Windsor STP2 Installation And Operation Instructions Manual
P126653 01
USC
P./N 126653-01 Rev. E 07/2018
INSTALLATION AND OPERATION
INSTRUCTIONS
Multi-Sided Wood-burning Fireplace
Ce manuel est disponible en francais, simplement
en faire la demande. Numéro de la pièce 126653-02.
PFS
®
MODEL
Windsor STP2
REPORT NO. 09-146
SAVE THIS BOOK
This book is valuable. In addition to instructing you on how to install and maintain your appliance, it also
contains information that will enable you to obtain replacement parts or accessory items when needed. Keep
it with your other important papers.
INSTALLER: Leave this manual with the appliance.
CONSUMER: Retain this manual for future reference.
Installateur : Laissez cette notice avec l’appareil.
Consommateur : Conservez cette notice pour consultation ultérieure.
This Wood-burning fireplace complies with UL127
CAN/ULC-S610-M87 standard as a FACTORY
BUILT FIREPLACE.
Ce foyer au bois est conforme aux UL 127 CAN/ULCS610-M87 norme comme une USINE CONSTRUITE
CHEMINÉE.
This fireplace is approved for use as a Wood-burning fireplace or for use with a vented gas log approved to
ANS Z21.60, Z21.84 standards or for use with a vent-free gas log heater approved to ANS Z21.11.2 standard.
An INNOVATIVE HEARTH PRODUCTS, LLC hood must be installed when using a vent-free log heater (see Accessories, page 18).
FOR CANADA: The authority having jurisdiction
(such as the municipal building department, fire
department, etc.) should be contacted before
installation to determine the need to obtain a permit.
POUR LE CANADA: L’autorité compétente (comme le
service municipal du bâtiment, les pompiers, etc.) doit
être contacté avant l’installation afin de déterminer la
nécessité d’obtenir un permis.
This installation manual will enable you to obtain a safe, efficient and dependable installation of your fireplace
system. Please read and understand these instructions before beginning your installation.
Do not alter or modify the fireplace or its components under any circumstances. Any modification or alteration of
the fireplace system, including but not limited to the fireplace, chimney components and accessories, may void the
warranty, listings and approvals of this system and could result in an unsafe and potentially dangerous installation.
IMPORTANT! TO ASSURE PROPER ALIGNMENT OF GLASS DOORS: INSTALL THIS FIREPLACE IN A SQUARE
AND PLUMB CONDITION, USING SHIMS AS NECESSARY AT SIDES AND/OR BOTTOM.
NOTE: DIAGRAMS AND ILLUSTRATIONS THROUGHOUT THE MANUAL ARE NOT TO SCALE.
Thank you for your purchase. We appreciate your
business!
Please carefully read and follow all instructions in this manual. Pay
special attention to all warnings and safety information.
Following these safety, care, and operation instructions will help
ensure many years of dependable and enjoyable service from your
fireplace.
Please read and understand these instructions before installing
or operating.
SAFETY
WARNING
This product can expose you to chemicals including Carbon Black, which is known to the State of
California to cause cancer, and Carbon Monoxide,
which is known to the State of California to cause
birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov.
WARNING: Improper installation, adjustment,
alteration, service or maintenance can cause injury,
property damage or loss of life. Refer to this manual
for assistance or additional information. Consult a
qualified installer or local distributor.
IMPORTANT: Check local codes before installing this
fireplace.
This fireplace model is a Wood-burning fireplace intended and approved for installation in either residential homes or buildings of
standard construction. This fireplace system requires the utilization
of INNOVATIVE HEARTH PRODUCTS, LLC’s (IHP) 8", double-wall,
and snap lock flue pipe system.
Glass doors are optional with this fireplace and come in different
styles. For more information see Glass Doors, page 14). Optional
glass doors in several finishes are available for this fireplace (see
Replacement Parts, page 15 and Accessories on page 16).
Before beginning installation of this fireplace, read these instructions
through completely.
• This IHP fireplace and its components are safe when installed
according to this installation manual. Unless you use IHP components, which have been designed and tested for the fireplace
system, you may cause a fire hazard.
• The IHP warranty will be voided by and IHP disclaims any responsibility for the following actions.
a. Modification of the fireplace or any of the components manufactured by IHP unless otherwise permitted by IHP.
TABLE OF CONTENTS
Safety .............................................................................................2
Product Dimensions ......................................................................4
Fireplace Installation ......................................................................5
Venting Installation ........................................................................7
Optional Gas Line Installation ......................................................13
Operation and Maintenance Guidelines ........................................14
Replacement Parts .......................................................................15
Technical Service .........................................................................15
Important Notices - Canada .........................................................16
Fireplace Accessories ...................................................................17
Installation Accessories ...............................................................17
Draft Smoke Guidelines - Appendix A .........................................19
Warranty ......................................................................................23
b. Use of any component part not manufactured or approved by
IHP in combination with an IHP fireplace system.
c. Installation and/or operation in a manner other than instructed
in this manual.
d. The burning of any other fuel not tested or approved by IHP
in this Wood-burning fireplace.
Proper installation is the most important step in ensuring safe and
continuous operation of the fireplace. Consult the local building codes
as to the particular requirements concerned with the installation of
all factory built fireplaces.
Proper installation is the most important step in ensuring safe and
continuous operation of the fireplace. Although grounding may not
be required by code in your area, it must be electrically grounded in
accordance with local codes or, in the absence of local codes, with
the National Electrical Code, ANSI/NFPA 70-1990.
This fireplace is intended for installation in accordance with the
National Fire Protection Association Standard for Chimneys, Fireplaces, Vents and Solid-Fuel Burning Fireplaces, NFPA 211, and in
accordance with codes such as the BOCA Basic/National Code, the
Standard Mechanical Code, and the Uniform Building Code.
WARNING: Do not install a fireplace insert in this
fireplace unless the manufacturer's instructions with
the insert specifically state this fireplace has been
tested for use with this insert.
FOR YOUR SAFETY
• Do not store or use gasoline or any other flammable
vapors or liquids in the vicinity of this or any other
appliance.
• Due to high temperatures, the appliance should be
located out of traffic and away from furniture and
draperies.
• Do not place clothing or other flammable materials
on or near the appliance.
• Never leave children unattended when a fire is
burning in the fireplace.
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SAFETY Continued
WARNING: Use solid wood or processed solid
fuel fire logs only. Do not poke or stir the logs while
they are burning. Use only firelogs that have been
evaluated for the application in fireplace and refer to
firelog warnings and caution markings on packaging
prior to use.
This fireplace is not intended to be used as a substitute for a furnace to heat an entire home. Use for
supplemental heat only.
Overfiring of a fireplace is a condition where excessive temperatures are reached, beyond the design
capabilities of the appliance. The damage that occurs
from overfiring is not covered under the manufacturer’s
limited warranty.
WARNING: CONTINUED OVERFIRING CAN PERMANENTLY DAMAGE YOUR FIREPLACE SYSTEM.
SOME EXAMPLES OF CONDITIONS THAT COULD
CAUSE OVERFIRING ARE:
• BURNING QUANTITIES OF SCRAP LUMBER, PINE
BRANCHES, PAPER OR CARDBOARD BOXES
WHICH EXCEED THE VOLUME OF THE NORMAL
LOG FIRE.
• BURNING TRASH, CHEMICALS OR CHEMICALLY
TREATED COMBUSTIBLES.
Disposal of Ashes
Ashes should be placed in a metal container with a
tight-fitting lid. The closed container of ashes should
be placed on a noncombustible floor or on the ground,
well away from all combustible materials, pending
final disposal. If the ashes are disposed of by burial
in soil or otherwise locally dispersed, they should be
retained in the closed container until all cinders have
thoroughly cooled.
WHEN USING THE DECORATIVE APPLIANCE, THE
FIREPLACE DAMPER MUST BE SET IN THE FULLY
OPEN POSITION.
Never use gasoline, gasoline-type lantern fuel, kerosene, charcoal lighter fluid, or similar liquids to start
or ’freshen up’ a fire in this fireplace. Keep all such
liquids well away from the fireplace while it is in use.
Use SOLID WOOD only for fuel. It is best to use dry
and well seasoned hardwood. Softwoods tend to burn
very quickly. DO NOT use treated wood, charcoal, coal,
trash, driftwood or woods that have been dipped in tar,
pitch, pine tar, creosote, etc. Wood products made
with synthetic binders, such as plywood, produce abnormally high temperatures and sputtering, smoking
fires. When burning artificial logs, please read and
follow the instructions provided by the manufacturer.
Never burn treated construction lumber or scraps.
These woods burn excessively hot and may contain
chemicals used to treat insects and fungus. When
burned, these chemicals can pose a significant hazard.
IMPORTANT: See appendix A, page 19 for additional
information regarding draft requirements, smoking
causes and troubleshooting.
WARNING: BURNING IMPROPER FUEL (I.E.
CHARCOAL) CAN RESULT IN CARBON MONOXIDE
POISONING, WHICH MAY LEAD TO DEATH!
Carbon Monoxide Poisoning – Early signs of carbon
monoxide poisoning resemble the flu with headaches,
dizziness, or nausea. If you have these signs, get
fresh air at once! Have the appliance inspected by a
qualified service technician. Some people are more
affected by carbon monoxide than others. These
include pregnant women, people with heart or lung
disease or anemia, those under the influence of alcohol, and those at high altitudes.
Ventilation Requirements - Provide adequate air for
combustion. The fresh air requirements of this appliance must be met within the space where it will
be installed.
Smoke Detectors - Since there are always several
potential sources of fire in any home, we recommend
installing smoke detectors. If possible, install the
smoke detector in a hallway adjacent to the room (to
reduce the possibility of occasional false activation
from the heat produced by the appliance). If your local
code requires a smoke detector be installed within the
same room, you must follow the requirements of your
local code. Check with your local building department
for requirements in your area.
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SAFETY Continued
Creosote – Formation and Need for Removal
When wood is burned slowly, it produces tar and other
organic vapors, which combine with expelled moisture
to form creosote. The creosote vapors condense in
the relatively cool chimney flue of a slow-burning
fire. As a result, creosote residue accumulates on
the flue lining. When ignited this creosote makes an
extremely hot fire.
The chimney shall be inspected at least twice a
year during the heating season to determine when a
creosote buildup has occurred. When creosote has
accumulated (1/8" [3 mm] or more) it shall be removed
to reduce the risk of a chimney fire.
PRODUCT DIMENSIONS
MODEL CATALOG NO.
Windsor STP2 F0703
6"
(153 mm)
WARNING: Always leave glass doors fully opened
or fully closed when operating fireplace.
WARNING: Children and adults should be alerted
to the hazards of high surface temperatures and to
stay away to avoid burns or clothing ignition. Young
children should be carefully supervised when in the
same room as fireplace.
15”
(381 mm)
O.D.
TOP VIEW
12-3/8”
(315 mm)
2-1/2”
(64 mm)
12"
(305 mm)
1-1/2”
(38 mm)
OUTSIDE AIR
LEFT SIDE
VIEW
24"
(610 mm)
19"
(483 mm)
4-1/2”
(115 mm)
16"
(407 mm)
GAS LINE
CONDUIT
11-1/4”
(286 mm)
24"
(610 mm)
37-1/2”
(953 mm)
21-3/8”
(543 mm)
9-1/2”
(242 mm)
42-5/8”
(1083 mm)
15-1/2”
(394 mm)
54"
(1372 mm)
20-1/2”
(521 mm)
10-1/4”
(261 mm)
7"
(178 mm)
12"
(305 mm)
FRONT VIEW
36-1/2”
(927 mm)
Figure 1 - Dimensions
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FIREPLACE INSTALLATION
Spacers on Sides of Fireplace
SELECTING LOCATION
To determine safest and most efficient location for fireplace, you
must take into consideration the following guidelines:
1. The location must allow for proper clearances (see Figure 2).
2. Consider a location where the fireplace will not be affected by
drafts, air conditioning ducts, windows or doors.
3. A location that avoids the cutting of joists or roof rafters will
make installation easier.
4. If an outside air kit is to be installed, accessibility to outside
combustion air must be considered. This can also be achieved
through a vented crawl space in some cases (see Optional
Outside Air Kit on page 7).
5. If gas line is to be installed, consider location of gas supply.
6. Do not connect this fireplace to a chimney system other than
an IHP chimney system.
7. Install in an area providing ventilation and adequate combustion air.
8. Due to high temperatures, do not locate this firebox in high
traffic areas or near furniture or draperies.
9. Provide adequate clearances around air openings into combustion chamber. NEVER obstruct front opening of firebox or flow
of combustion and ventilation air.
10. Do not locate in or near an area where gasoline or other flammable liquids may be stored. The firebox area must be kept clear
and free from these combustible materials.
The typical installation for this fireplace is a projected installation
which allows you to extend the fireplace any distance into the room. A
projection may be ideal for a new addition on an existing, finished wall.
Provide Required 1" (2.5 cm)
Clearance
3" (7.6 cm)
12" (30.4 cm) Min. From Perpendicular
Side Wall to Fireplace Opening (Typ.)
2" (5 cm) Min. Clearance
From Pipe to Combustibles
Figure 3 - Firebox Clearances
FRAMING
1. Frame opening for fireplace using dimensions shown in Figures
4, 5 and 6 on pages 5 and 6.
*A header
must be
installed after
fireplace is set
in place
Figure 2 - Common Location of Fireplace
MINIMUM CLEARANCE TO COMBUSTIBLES
Back and sides of fireplace 1" (26 mm) minimum*
Adjacent wall 12" (305 mm) minimum
Chimney outer pipe surfaces 2" (51 mm) minimum
Bottom of fireplace to floor 0" (0 mm) minimum
WARNING: DO NOT PACK REQUIRED AIR SPACES
WITH INSULATION OR OTHER MATERIALS.
Do not obstruct fireplace openings (ie. louvers, etc.)
with any type of facing material. Combustible material must not be in contact with back of front face of
fireplace.
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*38 3/4"
(98.43 cm)
(60.96 cm)
44
3
(113.67 cm)
/4"
Figure 4 - Framing Firebox
15" (38.1 cm) DIA. OD
1" (2.5 cm) MIN.
TO COMBUSTIBLES
3
21
/8" (54.29 cm)
5
42
/8" (108.27 cm)
OUTER PIPE
Figure 5 - Framing Clearances
24"
2" (5.1 cm) MIN. CLEARANCE
FROM OUTER PIPE TO COMBUSTIBLES
54"
(137.16 cm)
(60.96 cm)
12"
(30.48 cm)
24"
5
FIREPLACE INSTALLATION Continued
HEARTH EXTENSION
2. If fireplace is to be installed directly on carpeting, tile or any
combustible material other than wood flooring, fireplace must
be installed upon a metal or wood panel extending full width and
depth of fireplace.
3. Set fireplace directly in front of this opening and slide unit back
until nailing flanges touch side framing.
4. Check level of fireplace and shim with sheet metal if necessary.
5. Before securing fireplace to prepared framing, ember protector
(provided) must be placed between hearth extension (not supplied) and under bottom front edge of fireplace to protect against
glowing embers falling through (see Figure 7). If fireplace is to
be installed on a raised platform, a Z-type ember protector (not
supplied) must be fabricated to fit your required platform height
(see Figure 6). The ember protector should extend under fireplace
a minimum of 1 1/2". The ember protector should be made of
galvanized sheet metal (28 gauge minimum) to prevent corrosion.
6. Using screws or nails, secure fireplace to framing through flanges
located on sides of fireplace (see Figure 8).
"Z" Type
Ember Protector
*A header
must be
installed after
fireplace is set
in place
*38
3
(98.43 cm)
/
4
"
54"
(137.16 cm)
Min.
(Not Supplied)
44
3
(113.67 cm)
/
4
"
Min.
Nailing
Flanges
1" Clearance is
Not Required at
Nails or
Screws
Nailing Flanges
Prepared
Framing
Figure 8 - Nailing Flanges
HEARTH EXTENSIONS
A hearth extension projecting a minimum of 16" in front of and a
minimum of 8" beyond each side of fireplace opening is required to
protect combustible floor construction in front of fireplace. Fabricate a hearth extension using a material which meets the following
specifications: a layer of noncombustible, inorganic material having
a thermal conductivity of k = .84 BTU IN/FT2 HR °F (or less) at 1"
thick. For example, if material selected has a k factor of 0.25, such
as glass fiber, the following formula would apply:
0.25 x 1.0" = 0.30" thickness required
0.84
Thermal conductivity "k" of materials can be obtained from manu-
facturer or supplier of noncombustible material.
If hearth extension is to be raised, a “Z” type ember protector must
be used (see Figure 6 and Figure 10, page 7).
As Required by Design as Long
as Ceiling Clearance Is Maintained
24"
(60.96 cm)
Platform Must be
Solid, Flat and
Fully Supported
Figure 6 - Framing Firebox with “Z” Type Ember Protectors
Ember Protector
(Typ. 2 of 2)
1/2" (1.2 cm)
Max.
Figure 7 - Ember Protectors
WARNING: Hearth extension is to be installed
only as shown in Figure 9.
8" MIN.
(20.3cm)
36
1
/
2
" MIN.
(92.7cm)
52
1
/
2
" MIN.
(133.3cm)
NONCOMBUSTIBLE
Figure 9 - Hearth Extension
16" MIN.
(40.6cm)
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126653-01_E
FIREPLACE INSTALLATION Continued
)
2" (51 mm) x 4" (102 mm)
Front
Face
1-1/2" (38 mm)
Seal Gaps with
Adhesive
(10.1 cm)
Material Must
Noncombustible
Hearth Extension
8" (204 mm
Max.
1-1/2" (39 mm) Typ.
Noncombustible
Hearth Extension
1
1-
/2" (39 mm) Typ.
Figure 10 - Raised Hearth Extension
MANTEL CLEARANCES
Woodwork such as wood trims, mantels or any other combustible
material projecting from the front face must not be placed within 9"
of firebox effective opening.
Combustible materials above and projecting more than 1 1/2" from the
firebox front face (see Figure 11) must not be placed less than 12"
from effective opening of the firebox (NFPA 211, Section - Clearance
from Combustible Material).
Mantels or any other combustible material may also come up to the
side edge of the black metal face of the firebox only if the projection
from the front face falls within limits shown in Figure 12.
“Z” Type Ember
Protector
“k” Factor
.84
Ember
Protector
VENTING INSTALLATION
OPTIONAL OUTSIDE AIR KIT (MODELS AK4 OR AK4F)
The installation of an outside air kit should be performed during
the rough framing of the fireplace due to the nature of it’s
location. Outside combustion air is accessed through and exterior
wall (AK4) or a vented crawl space (AK4F). See Figure 13 and
Accessories on page 16.
Avoid installing outside air eyebrow in areas where inlet opening
may be blocked by snow, bushes or other obstacles. It should also
be located beyond the reach of children.
CAUTION: Combustion air inlet ducts shall not
terminate in attic space.
The maximum height for the air vent can not exceed
3 feet below the flue gas outlet of the termination.
For further details on installation of outside air kit, please refer to
instructions included with air kit. For operating instructions, please
refer to your owner’s manual.
Secure to Collars with Metal Tape, Screws
or Straps (Min. of 1/4" x 20" in size)
Air Inlet
Location
Must
Allow For
Bushes or
Snow
Stud
Drywall
Combustible
Materials
33°
6" (153mm)
Nom.
12"
(305 mm)
9"
Min.
(229 mm)
Min.
Fireplace Side View
3" (77 mm) Nom.
Figure 11 - Mantel Clearances to Combustible Materials
Drywall
4"
(Approx.)
33°
Nom.
Top View of Fireplace
6" Nom.
(15.2 cm)
3
4
/8"
Min.
(11.1 cm)
Noncombustible
Mortar or
3
2
/4" Max.
(6.98 cm)
Combustible
Not Overlap
Black Metal
Front Face
Figure 12 - Mantel Clearances to Metal Face
126653-01_E
Vented Crawl Space (Check
Local Codes Before Installing
in a Vented Crawl Space)
CHIMNEY PIPE
be applied by the installer to all chimney pipe
sections but is not required on sections that will
be visible after the installation is complete. Label
must wrap around the circumference of the pipe.
See accessories, page 18 for Kit F2659.
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Air Inlet
Eyebrow
Vent Hood
Required
for Wall
Installation
Figure 13 - Air Kit Installation
WARNING: Label part number 900599-01 must
7
VENTING INSTALLATION Continued
)
The IHP chimney system is a snap-lock, double-wall pipe. It consists
of a stainless steel inner flue pipe(s), a galvanized outer pipe and a
wire spacer. Each section of pipe comes in lengths of 12", 18", 36"
and 48". The actual lineal gain for each is measured after each section
is fully connected. Lineal gain is the actual measurable length of a
part after two or more parts are connected.
LINEAL GAIN
PART NO. DESCRIPTION GAIN
Windsor STP2 See-Through Fireplace 52 3/4"
48-12DM
48-12TM
36-12DM
48-12TM
24-12DM
48-12TM
18-12DM
48-12TM
12-12DM
48-12TM
STL-12D
RLT-12D
Flue Pipe 46 5/8"
Flue Pipe 34 5/8"
Flue Pipe 22 5/8"
Flue Pipe 16 5/8"
Flue Pipe 10 5/8"
Chase Style
Termination
Round Top
Termination
1" to 12"
7
"
USING ELBOW OFFSETS AND SUPPORTS
Chimney weight above offset rests on return elbow. Straps must be
securely nailed to rafters or joists (see Figure 15).
To achieve desired offset, you may install combinations of 12", 18",
36" and 48" length of double wall pipe (see offset chart and Figure 16).
Maximum length of pipe between supports is 6 feet of angled run. A
maximum of two 6 feet angled run sections per chimney system (see
Figure 18).
SUPPORT SECTIONS
The chimney support section is a 4-strap 12" length of pipe. The height
of a vertical chimney pipe supported ONLY by the fireplace, must not
exceed 20 feet. Chimney heights above 20 feet must be supported.
12S-8DM
Support
20 FT.
(6.096m)
Required
20 FT.
(6.096m
PIPE INSTALLATION
The pipe sections must be assembled independently as the chimney
is installed. When connecting chimney directly to the fireplace, the
inner flue pipe section must be installed first with the lanced side up.
The outer pipe section can then be installed over the flue pipe section
with the hemmed end up. Press down on each pipe section until the
lances securely engage the hem on the fireplace starter. The wire will
assure the proper spacing between the inner and outer pipe sections.
Continue to assemble chimney sections as outlined above, making
sure that both the inner and outer pipe sections are locked together.
When installing double wall snap-lock chimney together, it is important to assure the joint between the chimney sections is locked. Check
by pulling chimney upward after locking. The chimney will not come
apart if properly locked. It is not necessary to add screws to keep the
chimney together (exception, see Figure 17, page 9).
WARNING: The opening in collar around chimney
at top of fireplace must not be obstructed. Never use
blown insulation to fill chimney enclosure.
15" Galvanized
Outer Pipe
12 3/8'' Stainless
Inner Pipe Lanced
Side Up
Hemmed End
Figure 15 - Elbow Offset
OFFSET
RISE CHIMNEY LENGTH
A B 48" 36" 18" 12"
4 3/8" 16 3/8"
9 1/2" 25 1/4"
12 1/2" 30 3/8"
14 3/8" 34"
17 5/8" 39 1/4"
21 1/2" 46"
22 3/4" 48 1/8"
26 3/8" 54 7/8"
26 3/8" 60"
31 3/4" 63 3/4"
34 3/4" 69"
38 5/8" 75 5/8"
39 7/8" 77 7/8"
43 3/4" 84 1/2"
46 3/4" 87 3/4"
48 7/8" 93 3/8"
ELBOW SET ONLY
1
1
1 1
1
1 2
1
1 1
1 1
1 1
2
1 1 1
1 1
2 1
2
OFFSET CHART
Return
Elbow
2
Screws
B
A
Figure 16 - Raise and Offset
Figure 14 - Pipe Connection
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126653-01_E
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