Coleman 36MWL Installation Instructions Manual

36MWL

36” Circulating Louvered Firebox
Includes: Manual Variable Control Fan System, Combustion

Air Kit and Bi-Fold Doors with Brushed Brass finish

INSTALLATION INSTRUCTIONS

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.

WARNING: ALWAYS LEAVE GLASS DOORS
FULLY OPENED OR FULLY CLOSED WHEN
OPERATING THIS FIREPLACE.

This firebox meets the construction and safety standards of H.U.D. for
application in mobile homes when installed according to these instructions.

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 or
RGA 2-72 standards or for use with a vent-free gas log heater approved to ANS Z21.11.2 standard. A vent-free log can only be
installed in an aftermarket (completion of sale, not for purpose of resale from the manufacturer), permanently located, manufactured
(mobile) home, where not prohibited by local codes. A DESA hood must be installed when using a vent-free gas log heater (see
Accessories, p. 11)

ALL DIMENSIONS IN THIS MANUAL ARE IN
INCHES UNLESS OTHERWISE SPECIFIED

DESA INTERNATIONAL P/N 106626-01

2701 INDUSTRIAL DRIVE REV C
P.O. BOX 90024 6/01
BOWLING GREEN, KY 42102-9004
www.desatech.com

CONTENTS

1. INTRODUCTION --------------------------------------------------------------------------------- PG. 2

2. SELECTING LOCATION --------------------------------------------------------------------------------- PG. 2

3. MINIMUM CLEARANCES --------------------------------------------------------------------------------- PG. 2

4. FRAMING AND INSTALLING --------------------------------------------------------------------------------- PG. 3

5. HEARTH EXTENSION --------------------------------------------------------------------------------- PG. 3

6. OUTSIDE AIR KIT INSTALLATION --------------------------------------------------------------------------------- PG. 4

7. FAN KIT ASSEMBLY --------------------------------------------------------------------------------- PG. 4

8. CHIMNEY PIPE INSTALLATION --------------------------------------------------------------------------------- PG. 4,5,6

9. TERMINATIONS --------------------------------------------------------------------------------- PG. 6

10. FINISHING YOUR FIREPLACE --------------------------------------------------------------------------------- PG. 7

11. MANTELS --------------------------------------------------------------------------------- PG. 7

12. GLASS DOORS --------------------------------------------------------------------------------- PG. 7

13. GAS LINE INSTALLATIONS --------------------------------------------------------------------------------- PG. 8

14. CHIMNEY OFFSET --------------------------------------------------------------------------------- PG. 9

15. DAMPER OPERATION --------------------------------------------------------------------------------- PG. 10

16. TECHNICAL SERVICE --------------------------------------------------------------------------------- PG. 10

17. REPLACEMENT PARTS AND ACCESORIES --------------------------------------------------------------------------------- PG. 11

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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.

EVER leave children unattended when a fire is

•

burning in the fireplace.

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.

CHECK HUD REQUIREMENTS BEFORE
INSTALLING THIS FIREPLACE.

INTRODUCTION

Model 36MWL is specifically designed for use in
manufactured mobile homes. This fireplace includes a manual
control fan system, combustion air kit and bi-fold doors with a
brushed brass finish.

BEFORE YOU BEGIN

♦ Before beginning the installation of the fireplace, read

these instructions through, completely.

♦ These DESA components and fireplace are safe when

installed according to this Installation Manual. Unless you
use DESA components, which has been designed and
tested for the fireplace system, you may cause a fire
hazard.

♦ The DESA warranty will be voided by and DESA

disclaims any responsibility for the following actions:

a) Modification of the fireplace, components, doors, blower,

fans, air inlet system and damper control.

b) Use of any component part not manufactured or approved

by DESA in combination with a DESA fireplace system.

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. Although grounding may not be required by
code the manufacturer recommends it.

This model fireplace 36MWL meets the construction and
safety standards of HUD for application in mobile homes
when installed according to these instructions.

WARNING: DO NOT INSTALL A FIREPLACE INSERT

IN THIS BOX UNLESS THE MANUFACTURER’S
INSTRUCTIONS WITH THE INSERT SPECIFICALLY
STATE THIS FIREPLACE HAS BEEN TESTED FOR
USE WITH THE INSERT.

This fireplace is intended to be used as a decorative
appliance and is not intended to be used to heat the home.

This wood burning fireplace complies with the UL
127 standard as a FACTORY BUILT FIREPLACE.

CAUTION: The structural integrity of the mobile home floor,
and ceiling/roof must be maintained.

SELECTING LOCATION

To determine the safest and most efficient location for the
fireplace, you must take into consideration the following
guidelines:

1. The location must allow for proper clearances (see figures
1 & 2).

2. Consider a location where the fireplace would 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. An outside air kit is included with this fireplace. For
more details refer to section on outside air kit installation
on page 4.

WARNING: DO NOT INSTALL IN A BEDROOM.

MINIMUM CLEARANCES TO COMBUSTIBLES:

• Back and sides of fireplace …………………..3/4” Min.

Note: the ¾ “ clearance is not required at the nailing flanges

• Ceiling to Top of Opening ……………….. 67-7/8” Min.

• Floor* ………………………….…………………0” Min.

*See step 2 of “Installing the Fireplace” – next page

• Wall to front of Fireplace ……………………….36” Min.

• Perpendicular Wall to Opening of Unit ………...14” Min.

• Top Spacers …………………..…………………..0” Min.

• Mantel Clearances …………………………… see page 7

“Finishing your Fireplace”

• Chimney Outer Pipe Surfaces ……………………1” Min.

WARNING: DO NOT PACK REQUIRED AIR SPACES WITH

INSULATION OR OTHER MATERIALS.

MINIMUM/MAXIMUM CHIMNEY HEIGHT:

The MINIMUM height of the chimney, measured from the
base of the fireplace to the flue gas outlet of the termination, is

11.5 feet for straight flue or a flue with one elbow set. The

maximum distance between elbows is 2 feet. For systems with
2 elbow sets, the MINIMUM height is 22 feet. The maximum
height of any system is 28 feet. This measurement includes the
fireplace, chimney sections and the height of the termination
assembly at the level of the flue gas outlet (see pg. 6, fig. 14).

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FRAMING AND INSTALLING THE FIREPLACE

STEP 1: Frame the opening for the fireplace using the
dimensions shown in figure 1 or 2.
STEP 2: If the fireplace is to be installed directly on carpeting,
tile (other than ceramic), or any combustible material other
than wood flooring; the fireplace must be installed upon a
metal or wood panel extending the full width and depth of the
fireplace.
STEP 3: Set the fireplace directly in front of this opening and
slide the unit back until the nailing flanges touch the side
framing.
STEP 4: Check the level of the fireplace and shim with sheet
metal if necessary.
STEP 5: Before securing fireplace to prepared framing, the
ember protector (provided), must be placed between the hearth
extension (not supplied), and under the bottom front edge of
the fireplace to protect against glowing embers falling
through. If the 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. The ember protector should
extend under the fireplace a minimum of 1-½”. The ember
protector should be made of galvanized sheet metal (28ga.
minimum) to prevent corrosion.
STEP 6: Using screws or nails, secure the fireplace to the
framing through flanges located on the sides of the fireplace
(see figure 4).

Figure 1 FRAMING DIMENSION

HEARTH EXTENSION:

A hearth extension projecting a minimum of 16” in front of
and a minimum of 8” beyond each side of the fireplace
opening is required to protect combustible floor construction
in front of the fireplace. Fabricate a hearth extension using
material which meets the following specifications: a layer of
non-combustible, inorganic material having a thermal
conductivity of K=0.84 BTU IN/FT. HR. F (or less) at 1”
thick. [For example, if the material selected has a K factor of

0.25, such as glass fiber, the following formula would apply.

0.25/0.84 x 1.0” = 0.30 thickness required. Thermal

conductivity “K” of materials can be obtained from the
manufacturer or supplier of the non-combustible material.] If
the hearth extension is to be covered, use non-combustible
material such as tile, slate, brick, concrete, metal, glass,
marble, stone etc. Provide a means to prevent the hearth
extension from shifting and seal the gap between the fireplace
frame and hearth extension with a non-combustible material
(see figure 3).

STANDARD HEARTH

Figure 3 HEARTH EXTENSION

WARNING: HEARTH EXTENSION IS TO BE

INSTALLED ONLY AS ILLUSTRATED.

Figure 2 CORNER INSTALLATIONS

Figure 4 NAILING FLANGE

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