Martin Industries BW4245A User Manual

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42
INCH
BUILT.IN
WOOD
BURNING
FIREPLACE
AND
CHIMNEY
MODEL
BW4245A
Look
for the Underwriters'
Laboratories,
lnc.
Listing
Mark
on
our
Fireplaces.
Pat.
No.
3724443
PLEASE
NOTICE:
I NSTALLATION
INSTRUCTIONS
This
fireplace
is
not approved
by
Underwriters'
Laboratories
for
mobile
home
installation.
These
instructions
should
be
read
in their
entirety
before
beginning
any
part
of the
installation.
The
step by
step
portions
of these
instructions
should
be
kept available
f
or
easy
ref
erence
th
roughout
the
installation
process
to
which
they
apply.
GENERAL
INFORMATION:
The
Martin
Fireplace
is a carefully
engineered,
factory
built
fireplace
which
can be
safely
installed
with
the normal
points
of
contact
on
the fireplace
at
zero clearance
to wood or
other
combustibles.
The
fireplace
requires
no special
foundation
or footing
and
is designed
to be
complete
with
its own
chimney,
flashing,
and
chimney
termination.
When
installing
the fireplace,
only
parts
manufactured
by
Martin
lndustries
and
Iisted
for use with
the
Martin
Model BW4245A
should
be
used with
the only
exception
belng
special
roof
flashings
for use in
unusual
roof designs
such
as
pitches
above
12112.
These flashings
may
be
purchased from a local
sheet
metal fabricator.
CODE
INFORMATION:
You should
refer
to
your
local building
code
for
local
requirements
factory-built
fireplaces.
Martin
f
ireplaces
are
intended
for
installation
and
No.
211
of the
National
Fire
Protection
Association.
Martin fireplaces
have
been either
listed
or
approved
by
many
local
fol I
owi
n
g
national
I
y
recogn
ized
organ
izations
:
1.
Underwriters'
Laboratories,
lnc.
(File
MH7603)'
2.
lnternational
Conference
of
Building
Officials
(Report
No.
2767).
3.
Building
Officials
and
Code Administration
(Report
No.
73-74).
4. Southern
Building
Code
Congress
(Report
No.
7208
73).
pertaining
to the
installation
of
use
according
to Standard
NFPA
building
authorities
and
bY the

Martin Industries BW4245A Specifications

General

Brand	Martin Industries
Model	BW4245A
Category	Indoor Fireplace
Language	English

Summary

42 Inch Built-In Wood Burning Fireplace and Chimney Model BW4245A

Clearances

Chimney Section Clearances

Specifies 2-inch clearance for chimney sections to combustibles.

Firebox Opening Clearances

Requires 36 inches clearance from the firebox opening to walls or items.

Chimney Installation

Proper Chimney Height Rule

Explains the rule for chimney height relative to the roof and nearby structures.

Chimney Installation Sequence

Install Firestop Spacers

Guidance on installing firestop spacers at ceiling levels.

Install Starter Sections

Instructions for installing the starter sections for flue and air ducts.

Install Chimney Sections

Steps for connecting and stacking chimney sections.

Installing Elbows for Chimney Offset

Elbow Clearances

Specifies the required 2-inch clearance for elbows to combustibles.

Offset Installation Sequence

Install First Elbow

Instructions for installing the initial elbow in an offset.

Install Second Elbow

Installing the second elbow to return the chimney to vertical.

Offset Charts

Using Offset Charts

How to read the offset charts to determine required parts.

Installing Chimney Housing (Models 420, 620, 440, 640)

Chimney Housing Installation Sequence

Install Chimney Housing Flashing

Instructions for placing and securing the flashing halves.

Chimney Housing Installation on Roof

Setting, Leveling, and Cutting Housing

Steps for setting, leveling, and cutting the housing to match roof pitch.

Installing Housing Components and Connections

Connecting duct telescopes, air shield, rain cap, and adjusting flashing.

Securing and Sealing Chimney Housing and Termination

Securing and Sealing Chimney Housing

Instructions for securing flashing, caulking, and aligning housing.

Installing Model 985A Round Termination Cap

Round Termination Installation Sequence

Extend Chimney Sections for Termination

Flashing and Storm Collar Installation for Round Termination

Prepare Roof and Install Flashing

Cut and Seal Flashing Assembly

Round Termination Base Assembly and Final Checks

Install Round Termination Base Assembly

Final Installation Checks

Inspecting all components for damage and proper installation.

Preparation for Gas Appliance Installation

Firebox Preparation Steps

Gas Appliance and Pipe Installation

Surround Installation and Operation Instructions

Surround Installation Steps

Covers unpacking and protecting surround parts before installation.

Assembling and Mounting the Surround

Assemble Surround Components

Mount Surround to Fireplace

Final Surround Mounting and Outside Grill Preparation

Secure Surround and Check Gaps

Prepare Outside Wall for Grills

Connecting Ducts and Grills for Surround

Prepare and Install Ducts

Mount Inlet Boxes and Install Grills