Heatilator BIR50-B User manual
1Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
WOODBURNING FIREPLACE
Fire Risk.
WARNING
For use with solid wood fuel only.
Model(s):
Installation Manual
Installation and Fireplace Setup
WARNING
HOT SURFACES!
Glass and other surfaces are hot during
operation AND cool down.
Hot glass will cause burns.
• DO NOT touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
• CAREFULLY SUPERVISE children in same room as
• Alert children and adults to hazards of high temperatures.
materials.
materials away.
INSTALLER: Leave this manual with party responsible for use and operation.
OWNER: Retain this manual for future reference.
BIR50-B
NOTICE: DO NOT discard this manual!
• DO NOT-
or any other appliance.
• DO NOT
warranty.
• Comply with all minimum clearances to com-
WARNING: If the information in these
or explosion may result causing property
damage, personal injury, or death.
2 Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
Safety Alert Key:
• DANGER! will result in death or serious injury.
• WARNING!could result in death or serious injury.
• CAUTION!
• NOTICE:
Table of Contents
2 Getting Started
B. Design and Installation Considerations 6
1. Selecting Fireplace Locations 6
3 Framing and Clearances
A. Appliance Dimensions/Weight 9
B. Clearances 10
C. Construct the Chase 11
D. Frame the Fireplace 12
4 Chimney and Termination Installation
K. Install Attic Insulation Shield 20
L. Install Roof Radiation Shields 20
5 Shrouds
D. Pyramid Style Shroud 26
6 Finishing
1. Fireplace Installed Flush on the Floor
7 Fireplace Setup
8 Reference Materials
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
Customer:
Lot/Address
Model (circle one):
YES IF NO, WHY?
WARNING! Risk of Fire or Explosion! Failure to install fireplace acording to these instructions can lead to a fire or
explosion.
Chimney configuration complies with diagrams.
Firestops installed.
Roof flashing installed.
Installer:
Shrouds Section 5 (Pg. 24)
Shrouds properly installed per instructions.
Dealer/Distributor Phone #
Serial #:
Chimney Section 4 (Pg. 15)
Fireplace Install
Attic insulation shield installed.
ATTENTION INSTALLER:
Follow this Standard Work Checklist
his installation
manual.
Date Installed:
Location of Fireplace:
Fireplace Setup Section 7 (Pg. 33)
Grate properly installed
Firescreen installed properly.
Comments:
needed:_________________________________________________________________________________________________
________________________________________________________________________________________________________
________________________________________________________________________________________________________
Finishing Section 6 (Pg. 27)
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
WARNING! Risk of Fire! Hearth & Home Technologies
disclaims any responsibility for, and the warranty and
agency listing will be voided by the following actions.
DO NOT:
• install other than as instructed by Hearth & Home
Technologies
• operate the fireplace without fully assembling all
components
• install any component not approved by Hearth & Home
Technologies
• install parts or components not Listed or approved
Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
installer, service agency or your dealer.
B. Non-Combustible Materials
- Steel - Iron
- Concrete - Slate
- Glass - Plasters
ASTM E 136, Standard
Test Method for Behavior of Metals, in a Vertical Tube
Furnace at 750° C
C. Combustible Materials
materials:
- Wood - Compressed paper
not, plastered or un-plastered
1
1
WARNING: This product and the fu-
els used to operate this product (wood
and wood pellets), and the products of
combustion of such fuels, 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.
-
-
ratories Inc. for installation and operation in the United
States.
-
met.
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
2
2 Getting Started
Additional lateral
support for chimney
above roof (or enclosed
in chase) if needed
Ceiling firestop
on floor of attic
Support straps
on rafter supports
chimney (not shown)
Termination cap
Chimney penetrates roof
preferably without affecting
roof rafters
Framing headed off
in ceiling joists
Enclosed space above
and around fireplace
Mantel and surround
Decorative facing
and trim
Hearth extension
Factory-built fireplace
Protective metal
hearth strip(s)
Combustible
framing/header
on top of
V-shaped
standoffs
(spacers)
Chimney system
Attic insulation shield must be used
here to keep insulation away
from chimney if attic is insulated
Attic Shield Collar
Storm Collar
Outside Air
(both sides)
Chase Top Flashing
(4) Roof Radiation Shields
A. Typical Fireplace System
Figure 2.1 Typical Fireplace System
6 Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
A*
F
D
BC
1/2 in. (13 mm) all
configurations
1-1/2 in. min. air space
from fireplace to
combustible materials.
1/2 in. min. air space at
nailing flanges.
Note:
In an exterior chase
or projecting into a
garage
Across a
corner
As a
room
divider Along a wall
92 in.
(2337 mm)
G
B
E
48 in.
(1219 mm)
MINIMUM
24 in. (610 mm)
from fireplace opening to
any perpendicular wall
A
B
G
G
B
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Model # A B C D E F G
in. 85 7/8 61 7/8 103 1/4 51 5/8 25 1/4 73 28 1/2
mm 2181 1572 2623 1311 641 1854 724
BIR-50
*12 in. (305 mm) extra space
included for each outside air
connection. If outside air duct has
no bend, this dimension may be
reduced as long as minimum
clearances are met.
Figure 2.2 Fireplace Locations
NOTICE:
are FOR DESIGN PURPOSES ONLY.
• Illustrations/diagrams are not drawn to scale.
• Actual installation/appearance may vary due to individual
design preference.
• Hearth & Home Technologies reserves the right to alter
its products.
NOTICE: In addition to these framing dimensions, also
reference the following section:
• Framing and Clearances (Section 3).
NOTICE:
A minimum 1-1/2 in. air clearance at the back and
-
tained.
Chimney sections at any level require a 2 in.
minimum air space clearance between the
framing and chimney sections.
B. Design and Installation Considerations
NOTICE: Check building codes prior to installation.
national codes and regulations.
installation inspection and permits.
• Before installing, determine the following:
- Gas supply piping.
- Electrical wiring.
fan, wall switch or remote control - are desired
1. Selecting Fireplace Locations
See Figure 2.2.
deciding on a location.
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
-
mance.
• Locate termination cap away from trees, adjacent
and attic joists.
Marginal Location:
Marginal Location:
Figure 2.3 Recommended Chimney Locations
winds during the heating season.
all
small isolated spaces.
• Attic hatches weather stripped or sealed.
taped or sealed.
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
C. Tools and Supplies Needed
Reciprocating saw Framing material
D. Inspect Fireplace and Components
WARNING! Risk of Fire and/or Explosion! Damaged
parts could impair safe operation. DO NOT install dam-
-
place dry.
inspect for damage.
• Vent system components and doors are shipped in
• Report to your dealer any parts damaged in shipment.
• Read all the instructions before starting the
installation. Follow these instructions carefully
during the installation to ensure maximum safety
E. Fireplace System Requirements
the following:
• Fireplace
• Chimney System
9Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
3
3 Framing and Clearances
A. Appliance Dimensions/Weight
16 1/8 in.
408 mm
Gas Line
Knockout
11 1/8 in.
282 mm
6 7/8 in.
175 mm
5 in.
129 mm
50 in.
1270 mm
60 7/8 in.
1546 mm
3 3/4 in.
97 mm
38 in.
965 mm
54 in.
1372 mm
74 1/8 in.
1883 mm
70 3/4 in.
1797 mm
16 1/8 in.
408 mm
11 1/8 in.
282 mm
6 7/8 in.
175 mm
5 in.
129 mm
45 1/8 in.
1146 mm
11 in.
281 mm
27 1/2 in.
699 mm
74° TYP.
Gas Line
Knockout
22 1/2 in.
572 mm
61 7/8 in.
1572 mm
5 1/2 in.
140 mm
Outside
Air
Outside
Air
Figure 3.1 Appliance Dimensions
Model Pounds
Appliance Weight Table
10 Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
1/2 in. air space
established by
spacers
Chase Top
Flashing
Roof
Radiation Shield
1/2 in.
Air Space
Spacers furnished with
complete Chase Top Flashing
(May be field-fabricated)
1/2
Storm collar must
be installed 1 in.
off chase top
CHASE TOP CLEARANCES
1 1/2” Ventilation Opening
around Chimney Pipe
(insulation)
0 in. to level
of standoffs
Attic
Insulation Shield
(ceiling)
(roof)
(attic)
(ceiling)
Attic Shield Collar
Ceiling Firestop
Storm Collar
Chase Top Flashing
1-1/2 in. (38 mm)
to back & sides
of appliance
(except at nailing
flanges where it is
1/2 in. [13 mm])
Must have 2 in. (51 mm)
minimum clearance
to any combustible materials
including header
0 in.
to floor
2 in. (51 mm) min.
Shaded areas
represent
2 in. (51 mm) min.
air space clearance
required around pipe
Combustible Object
48 in.
1219 mm
1 in.
B. Clearances
WARNING! Risk of Fire!
You must comply with all minimum air space clearances
DO NOT pack
required air spaces with insulation or other materials.
be constructed entirely of non-combustible materials (i.e.,
steel studs, concrete board, etc.). Failure to comply may
Figure 3.2 Clearances to Combustible Materials
Minimum Clearances to Combustibles
WITHIN ENCLOSURE AREA
Fireplace to sidewall
Door opening to sidewall
MANTEL
11Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
C. Construct the Chase
chase.
-
-
-
chase as per regional codes for the rest of the home. Ad-
insulation.
Ceiling
Firestop
Metal Chase Top
Round Termination Cap
False Ceiling
Insulation in the
outside walls
of the chase
Attic
Insulation
Shield
Chimney
Ceiling
Firestop
Tabs
False Ceiling
False Ceiling
Insulation
Insulation
Storm Collar
Figure 3.3 Chase Assembly
1 2 3
All outside walls should be insulated.
Figure 3.4 Chase Constructions
considered:
chimney.
-
WARNING! You must install false ceilings and ceil-
WARNING! Risk of Fire! DO NOT
stop opening and chimney pipe except where they enter
the attic or leave the warm air envelope of the home (use
600° F sealant).
WARNING! Risk of Fire! You must maintain a minimum
-
er materials surrounding the chimney system.
prevent accidental contact with chimney system.
• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
• Failure to prevent contact between insulation or other
materials and chimney system may cause overheating
12 Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
WARNING! Risk of Fire! You must comply with all
minimum air space clearances to combustibles. DO NOT
pack required air spaces with insulation or other materi-
als.
WARNING! Risk of Fire! Comply with all minimum clear-
assembly.
• Chimney sections at any level require a 2 in. (51 mm)
minimum air space clearance between the framing and
chimney section.
CAUTION! Risk of Cuts/Abrasions. Wear protective gloves
and safety glasses during installation. Sheet metal edges
are sharp.
B
C
A
2 in. (51 mm)
min. air space
clearance
from chimney.
Note: Framing must be
extended straight up,
all the way to the ceiling.
Header MUST NOT be notched!
D
D = extra space needed for outside air connection.
If outside air duct has no bend, this dimension may be
reduced as long as minimum clearances are met.
D
E
A B * C ** D E min.
in. 61 7/8 28 3/8 74 1/2 12 21
mm 1572 721 1892 305 533
Model #
** Adjust header height for raised floor under fireplace.
BIR-50
* If interior of chase will be drywalled, add the thickness to this meaurement.
The header cannot be positioned until
after the fireplace assembly is in place.
Figure 3.5 Framing the Fireplace
D. Frame the Fireplace
NOTICE:
-
to the ceiling.
Note: Before framing up the chase, consider where
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
E. Secure and Level the Fireplace
face of the drywall on the walls.
1 in. (25 mm)
overlap minimum
Protective metal strips are placed 2 in. (51 mm) under
the front of the fireplace and must extend beyond the
front and sides of fireplace opening by 2 in. (51 mm).
Raised Platform
Floor
2 in.
(51 mm)
1 in. (25 mm) min.
overlap
2 in.
(51 mm)
Top piece must overlap
bottom piece
Figure 3.7 Protect the Front of an Elevated Platform
F. Protective Metal Hearth Strips
Figure 3.6 Position the Protective Metal Hearth Strips
Section 6 f
instructions.
WARNING! Risk of Fire! Protective metal hearth
strips MUST be installed on combustible surfaces. DO
NOT cover metal strips with combustible materials.
WARNING! High temperatures, sparks,
embers or other burning material falling from the
surfaces.
• Protective metal hearth strips MUST be installed.
• Hearth extensions MUST be installed exactly as
WARNING! Risk of Fire! Prevent contact with sagging,
loose insulation.
• DO NOT install against vapor barriers or exposed
insulation.
• Secure insulation and vapor barriers.
• Provide minimum air space clearances at the sides and
G. Outside Air Kit (Required on both sides)
-
-
the top of the uppermost chimney section to the outside
Note:
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
3 ft min. from
top of uppermost
chimney section
to air inlet.
CAUTION! Risk of Cuts/Abrasions. Wear protective
gloves and safety glasses during installation. Sheet metal
edges are sharp.
CAUTION! Risk of Fire or Asphyxiation! DO NOT draw
enclosed spaces such as an attic or garage.
• DO NOT place outside air inlet hood close to exhaust
vents or chimneys. Fumes or odor could be drawn into
• Locate outside air inlet hood to prevent blockage from
leaves, snow/ice, or other debris. Blockages could cause
combustion air starvation.
Figure 3.8 Outside Air Inlet Locations
Outlet placed
higher than 3 ft
below the
termination cap
Attic space
Garage or
combustible
liquids storage
Outlet blocked by
snow, leaves, etc.
Clear area
outside
house or in
ventilated
crawl space
YES
NO
NO
NO
NO
Factory-built
fireplace
• Use UL181 Class 1 or Class 0 rigid or flexible ducting.
• Install with short run and add a P-trap which will help
prevent flow of cold air.
• Secure flex duct with screws or wire ties.
Figure 3.8 Outside Air Installation
Outside air is re-
quired to be in-
stalled on both
sides (right side
not shown)
NOTICE: The fireplace provides some outside air for
combustion. Other methods may be necessary if more air
is required.
inlet hood.
WARNING! Risk of Fire! The outside air kits are in-
-
air piping.
frost condensation.
• Use the supplied outside air inlet hoods.
Typical Outside Air
Installation
Recommend
around 24 inches
for a minimum bend
Figure 3.10 P-Trap
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
4
4 Chimney and Termination Installation
NOTICE: Chimney performance may vary.
performance.
• Chimney height may need adjustment if smoking or
overdraft occurs.
A. Chimney Requirements
WARNING! Risk of Fire!
mm) air space clearance to insulation and other com-
bustible materials around the chimney system. Failure
Feet Meters
•
•
•
•
and return
20 6.10
•
•
6
•
• 6
•
Height of Chimney Components in. mm
Stabilizer
Firestop
Elbows
Miscellaneous
Chimney Sections*
10 1/2
16 1/2
Table 4.1
16 Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
(4) Roof
Radiation
Shields
Chimney Section
Chimney Section
Attic Insulation
Shield & Collar
Square Frame
Firestop
Square Frame
Firestop
Chimney Section
74 1/8 in.
(1883 mm)
Effective
Height
Termination
Cap
Storm
Collar
Chase Top
Flashing
The chimney must be
enclosed from the
fireplace to the attic
maintaining the 2 inch
clearances.
Figure 4.1
Determine the chimney components needed to complete
your particular installation:
cap.
• Create a schematic for your application similar to Figure
NOTICE:
used.
CAUTION! Risk of Fire and/or Asphyxiation! DO
NOT
another appliance. Do NOT connect to any air distribu-
tion duct or system. These actions could cause over-
fumes into the living areas.
NOTE: This appliance must be run through a chase
only. See following instructions on chase installa-
tions.
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
A MAJOR CAUSE OF VENT RELATED FIRES IS FAIL-
URE TO MAINTAIN REQUIRED CLEARANCES (AIR
SPACES) TO COMBUSTIBLE MATERIALS. IT IS OF
THE UTMOST IMPORTANCE THAT DURACHIMNEY II
BE INSTALLED ONLY IN ACCORDANCE WITH THESE
INSTRUCTIONS.
B. Clearances
-
or any other materials.
C. Installation Notes
Proper planning for your DuraChimney II installation will
must use only autho-
rized DuraChimney II parts to maintain a listed chimney
system. Do not-
• Do not
jeopardize your chimney’s safety.
• Keep electrical wiring and building insulation away
from all chimneys.
• When deciding the location of your chimney, try to
Simpson Dura-Vent directly.
D. Frame Openings
ceiling.
attic insulation shield.
E. Cut Roof Opening
clearance all around the chimney.
must
F. Install Firestop
-
-
tion with an attic.
not installed where the chimney pen-
etrates through the roof.
screw per corner.
Framing
Figure 4.2
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
G. Assemble Chimney Sections
additional sections of chimney as needed.
height.
• For each additional chimney section use four
the chimney.
Figure 4.3
Figure 4.4
WARNING! Risk of Fire! DO NOT
30 ft. Chimney draft will be restricted and could cause overheating
Table 8.2
Elbow
Angle
from
Vertical
Chimney
Length
Between
Elbows
Inches
Rise
Inches
Millimeters
Rise
Millimeters
0 67 549
12 in./305 mm 140 819
457 mm 181 965
914 mm 298 1407
1219 mm 378 1702
0 159 622
12 in./305 mm 298 864
457 mm 375 997
914 mm 603 1394
1219 mm 756 1657
RISE
OFFSET
Figure 4.5
19Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
Elbow Strap
30° or 15°
Elbow
Figure 4.6
Elbow Strap
1 per
Section
Figure 4.7
-
-
mating the male and female ends with each other and
Chase
Frame
Stabilizer
Plumbers
Tape
Install supplementary
support if height exceeds
50 ft or if required by
fireplace manufacturer
Each supplementary
support holds up to
25 ft. of chimney
Maintain 2 in. clearance
from chimney to framing
Figure 4.8
Figure 4.9
Install a supplementary support if total chimney height
Note:
a chase.
20 Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
K. Install Attic Insulation Shield
-
you must enclose the attic portion of the chimney in a
framed enclosure. If the chimney is fully enclosed through
the attic insulation shield as follows:
opening.
• Secure the attic insulation shield to the top of the framed
• Wrap the collar of the attic insulation shield around the
chimney and fasten it loosely. Slide the collar down
•
maintained to the chimney pipe.
Attic
Insulation
Shield
Firestop
Attic
Figure 4.10
Attic
Attic Shield
Collar
Firestop
Figure 4.11
L. Install Roof Radiation Shields
Note: Roof radiation shields do not allow for a reduced
away from the chimney pipe.
• Install roof radiation shields at either the top of the chase
the top of the installation.
position.
• Secure the roof radiation shields to the top of the framing
than 2 in., center the roof radiation shield to the chimney
or nails.
(4) Roof
Radiation
Shields
Chase
Enclosure
Figure 4.12
M. Attach Flashing
-
Field-Constructed Chase
Top Flashing.
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