Heatilator CL36D Manual

02-02 1 12538 Rev D
CL36D and CR36D
WOODBURNING FIREPLACE
INSTALLATION & OPERATING
INSTRUCTIONS
WARNING!
Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this
manual. For assistance or additional information, consult a qualified installer, service agency or the gas supplier.

12538 Rev D 2 02-02
CL36D AND CR36D INSTALLATION INSTRUCTIONS
CAUTION:
Do not expose the fireplace to the elements (i.e. rain, etc.) and eep the fireplace dry at all times. Wet insulation
will produce an odor when the fireplace is used.
SAFETY PRECAUTIONS
1. Please read these installation instructions completely
before beginning installation procedures. Failure to
follow them could cause a fireplace malfunction
resulting in serious injury and/or property damage.
2. Always check your local building codes prior to
installation. The fireplace installation must comply
with all local, regional, state and national codes and
regulations.
3. An adequate supply of replacement combustion air
from outside the house must be a ailable to the fire
for the fireplace to operate properly. To achie e this,
the use of the optional outside air kit is highly
recommended.
In the e ent the home is unusually tightly sealed, the
optional combustion air kit may not pro ide all the air
required to support combustion. Hearth Technologies
Inc. is not responsible for any smoking or related
problems that may result from the lack of adequate
combustion air. It is the responsibility of the builder/
contractor to ensure that adequate combustion air
has been pro ided for the fireplace.
4. This fireplace must be installed with the Hearth
Technologies Inc. (HTI) SL Series Chimney System.
The chimney system must always terminate outside
the building. Be sure to follow all chimney
specifications gi en in these installation instructions.
5. NEVER lea e children unattended when there is a fire
burning in the fireplace.
6. This woodburning fireplace is built for solid fuel only.
NEVER use gasoline, gasoline type lantern fuel,
kerosene, charcoal lighter fluid, or similar liquids in
this fireplace. Keep any flammable liquids a safe
distance from the fireplace.
7. DO NOT use chimney cleaners or flame colorants in
your fireplace.
8. The flue damper must be open at all times when the
fireplace is in use.
9. While ser icing this fireplace, always shut off any
electricity or gas to the fireplace. This will pre ent
possible electric shock or burns. Also, make sure the
fireplace is completely cooled before ser icing.
10. To ensure a safe fireplace system and to pre ent the
build up of soot and creosote, inspect and clean the
fireplace and chimney prior to use and periodically
during the burning season. See page 29 for cleaning
instructions.
Table of Contents
Design and Installation Considerations ........................................................................................... 3
A. Listings and Code Approvals .......................................................................................................... 4
B. Description of the Fireplace System .............................................................................................. 4
C. Fireplace System Components ...................................................................................................... 5
D. re-Installation reparation .......................................................................................................... 10
E. Chimney Requirements ................................................................................................................ 12
F. Installation of Fireplace ................................................................................................................ 15
G. Constructing a Chase .................................................................................................................. 22
H. Operating Instructions .................................................................................................................. 25
I. Maintenance Instructions ............................................................................................................. 29
Index ........................................................................................................................................... 31
Warranty ...................................................................................................................................... 32

02-02 3 12538 Rev D
CL36D AND CR36D INSTALLATION INSTRUCTIONS
DESIGN AND INSTALLATION CONSIDERATIONS
When selecting a location for your woodburning fireplace, it is important to e aluate a number of considerations. Modern
construction techniques can create conditions that may not allow your chimney to draft properly. This may result in
smoke spillage from your fireplace, as well as cause other combustion appliances to operate incorrectly.
Tightly sealed construction is important for energy efficiency. Unfortunately, a great deal of effort has been directed to
tightening up sidewall construction, while considerably less attention has been paid to tightening upper portions of the
warm air en elope (insulated ceilings). This has increased the Stack Effect, a condition that increases the negati e
pressure generated by the structure. This negati e pressure will directly affect the drafting performance of a fireplace
chimney. To minimize the negati e pressure generated by stack effect, make certain that all ductwork installed in the
attic spaces is sealed airtight. Minimize the number of recessed light fixtures installed in the insulated ceiling, and use
sealed recessed light fixtures. Finally, make certain the whole house fans and attic access panels are tightly sealed.
These are important design considerations that must be obser ed during the design and construction stage of the
home.
If you desire to put a fireplace in your basement, we recommend that you consider a direct ent gas fireplace. Basements
always ha e a significant negati e air pressure that causes the fireplace system to be more susceptible to smoke
spillage and cold flue backdrafting. Since direct ent gas fireplaces are sealed, they are not affected by the negati e
pressure that exists in basements.
Finally, woodburning fireplaces perform best when their chimney (roof termination) is located on the upper half of the
roof, especially when cathedral ceilings are present. Chimneys that are located on the lower half of the roof realize what
is known as lazy flue and will not draft as well as a chimney that is located in the upper portion of the roof. The reason
for this is that the stack effect generated by the o erall height of the li ing spaces inside the house will exceed the draft
generated by the chimney system. If you desire to place a woodburning fireplace in a location where the termination cap
would be located on the lower half of a roof, such as on an outside wall at the base of a cathedral ceiling, we recommend
that you consider using a direct ent gas fireplace. This will assure the homeowner a fireplace that operates correctly.
These properties do not affect just your woodburning factory built fireplace. They can cause any woodburning fireplace as
well as any con entionally ented (B- ent) gas appliance to operate improperly. Careful planning at this stage of your
project will ensure satisfaction with the operation of your fireplace once it is completed.

12538 Rev D 4 02-02
CL36D AND CR36D INSTALLATION INSTRUCTIONS
WARNING!
This fireplace and its components are designed to be installed and operated as a system. Any alteration to or
substitution for items in this system, unless allowed by these installation instructions, will void the Underwrit-
ers Laboratories listing and may void the product warranty. It may also create a hazardous installation. Read
through these instructions thoroughly before starting your installation and follow them carefully throughout
your project.
1. The Heatilator fireplace system consists of the following:
a. Fireplace/Integral Grate/Outside Combustion Air System
b. Refractory
c. Chimney Termination Cap
d. Chimney System
e. Hearth Extension
2. Optional Components Include:
a. Glass Doors
b. Chimney Air Kit
Note: Illustrations used throughout these instructions
reflect typical installations and are for design purposes
only. Actual installation may ary slightly due to indi-
idual design preferences. Howe er, minimum and maxi-
mum clearances must be maintained at all times.
The illustrations and diagrams used throughout these
installation instructions are not drawn to scale.
Figure 1 - Typical Fireplace System
B. DESCRIPTION OF THE FIREPLACE SYSTEM
A. LISTINGS AND CODE APPROVALS
This fireplace system has been tested and listed in
accordance with UL 127 standards, and has been listed
by Underwriters Laboratories Inc. for installation and
operation in the United States and Canada.
This fireplace has been tested and listed for use with the
optional components listed on page 5. These optional
components may be purchased separately and installed
at a later date. Howe er, installation of an outside air kit
will require significant reconstruction, and should be
installed at the time of the initial fireplace installation.
Check with your local building code agency prior to
installing this fireplace to ensure compliance with local
codes, including the need for permits and follow-up
inspections. If you need assistance during installation,
please contact your local dealer or the Heatilator Technical
Ser ices Department, Hearth Technologies Inc., 1915 W.
Saunders St., Mt. Pleasant, Iowa 52641 (1-800-843-2848).
Heatilator® is a registered trademark of Hearth
Technologies Inc., Di ision, HON INDUSTRIES.

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CL36D AND CR36D INSTALLATION INSTRUCTIONS
C. SYSTEM COMPONENTS
1. Fireplace Components
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Bi-Fold Glass Doors
DM1436
DM1436B
DM1436S
Perception Glass Doors
DP1436
DP1436B
DP1436S
Perception Glass Door
End Panel
DPE1436
DPE1436B
DPE1436S
HX3 - Hearth Extension
GR3L/GR3R Integral
Grate

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CL36D AND CR36D INSTALLATION INSTRUCTIONS
AK14 - Outside Air Kit
Fireplace Dimensions

02-02 7 12538 Rev D
CL36D AND CR36D INSTALLATION INSTRUCTIONS
2. Chimne Components
The following pictures show only those chimney components which may be safely used with this fireplace.
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12538 Rev D 8 02-02
CL36D AND CR36D INSTALLATION INSTRUCTIONS
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603LS"6"¾4
213LS"21"¾01
813LS"81"¾61
423LS"42"¾22
633LS"63"¾43
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RF370 - Roof Flashing
Flat to 6/12 Pitch
RF371 - Roof Flashing
6/12 to 12/12 Pitch
CB876
Chimney Brac et
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Straight Attic
Insulation Shield
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Chimney Sections
Firestop Spacer
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Joint Band
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02-02 9 12538 Rev D
CL36D AND CR36D INSTALLATION INSTRUCTIONS
LDS33 (3 x 3)
LDS46 (4 x 6)
Decorative Shroud
TR344
Round
Termination Cap TR342
Round Telescoping
Termination Cap
ST375
Square
Termination Cap
CT35
Chase Top
CAK4A
Chimney Air Kit
TS345/TS345P
Square
Termination Cap

12538 Rev D 10 02-02
CL36D AND CR36D INSTALLATION INSTRUCTIONS
Figure 3
Installation Along a Wall or an Exterior Chase
WARNING!
Do not draw outside air from garage spaces. Exhaust products of gasoline engines are hazardous.
Do not install outside air ducts such that the air may be drawn from attic spaces, basements or above the
roofing where other heating appliances or fans and chimneys exhaust or utilize air. These precautions will
reduce the possibility of fireplace smo ing or air flow reversal.
WARNING!
To prevent contact with sagging or loose insulation, the fireplace must not be installed against vapor barriers
or exposed insulation. Localized overheating could occur and a fire could result.
These are rough framing
dimensions only.
Figure 2 - Fireplace Locations
1. Fireplace Locations and Space Requirements
Se eral options are a ailable to you when choosing a location for your fireplace. This fireplace may be used as a
room di ider, installed along a wall, across a corner or used in an exterior chase. See Figure 2.
Locating the fireplace in a basement, near frequently opened doors, central heat outlets or returns, or other locations
of considerable air mo ement can affect the performance and cause intermittent smoke spillage from the front of
the fireplace. Consideration should be gi en to these factors before deciding on a location.
CLEARANCES!
A minimum ½ air clearance
must be maintained at the
bac and side of the fireplace
assembly.
Chimney sections at any level
require a 2 minimum air
space clearance between the
framing and chimney section.
D. PRE INSTALLATION PREPARATION
Figure 3 shows a typical installations assuming an outside air kit is being used. Therefore, an allowance must be
made for 90° bends. Less space is required when ducting goes directly outside without forming elbows.
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