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NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
3
Figure 1
TYPICAL INSTALLATION
INTRODUCTION
General Information
The CST38MH Series is a radiant-heat, two-
sided fireplace with standard glass doors and
an outside combustion air kit is provided.
A steel grate is also included to properly posi-
tion the fire and limit the amount of fuel. IF A
REPLACEMENT GRATE IS NEEDED REPLACE
THE GRATE WITH MODEL SGR-38B
ONLY.
Note: Illustrations shown reflect “typical”
installations with nominal dimensions and
are for design and framing reference only.
Actual installations may vary due to individual
design preferences. However, always maintain
minimum clearances to combustible materials
and do not violate any specific installation
requirements.
These fireplaces have been tested and listed
by OMNI Test Labs (Report No. 116-F-20-4) to
U.L. standard 127. These units are intended for
installation in Manufactured Homes, residential
homes and other buildings of conventional
construction including commercial.
These fireplace systems are designed for in-
stallation in accordance with the National Fire
Protection Standard for chimneys, fireplaces
and solid fuel burning appliances; NFPA 211-
latest edition and in accordance with codes
such as the BOCA Basic/National Codes, the
Standard Mechanical Code and the Uniform
Building Codes.
The fireplace opening must be kept a minimum
of 8" (203 mm) from a protected combustible
side wall. A perpendicular side wall can not be
closer that 18" (457 mm). If there is a continu-
ous perpendicular side wall closer than 18" from
the fireplace opening, it must be protected with
a 40" x 40" x 1/2" (1016 mm x 1016 mm x 13
mm) wall shield constructed of a durable non-
combustible material with an equal or greater
insulating value than k=.84 BTU IN/FT2 HR °F
(refer to Pages 18, 19 and 20).
As with all chimney installations, avoid overhead
obstructions such as trees, power lines, etc.
Additionally chimney terminations must meet
certain clearance to roof requirements detailed in
the paragraph titled Ten-Foot Rule Summary.
The fireplace and chimney system must be
enclosed when installed in or passing through
a living area where combustibles or people may
come in contact with it. This is important to pre-
vent possible personal injury or fire hazard.
For questions, please call your distributor or
the manufacturer. Special restrictions apply to
the front and facing of the fireplace and nearby
walls (See Pages 18, 19 and 20).
CHIMNEY SYSTEM
These fireplaces are designed and code listed
for use with Security Chimneys FTF8 chimney
System only. Always use Security Chimneys
FTF8 chimney components with these fireplaces.
Do not modify or alter these components as
this may cause a potential serious hazard and
void the Warranty.
*Construction Materials:
• Framing Materials • Paneling
• Particle Board • Flooring
• Dry Wall • Plywood
• Noncombustible Insulating Materials
• Etc.
Chimney Height
The total height of your Fireplace systems from
the surface the fireplace rests on to the chimney
top must not exceed 80' (24.4m) and must also
meet minimum system height chart.
WARNING
Failure to use manufacture
provided parts, variations in
techniques and construction
materials or practices other than
those described in this manual
may create a fire hazard and void
the limited warranty.
WARNING
Do not pack or fill required air
spaces with insulation or other
material. No material is allowed
in these areas. Secure the
airspace around the chimney
with the firestop/thimble before
completing the installation.
Maintain 2" clearance between
chimney and thimble.
WARNING
If insulation is used, the fireplace
must not be placed directly
against it. Insulation or vapor
barriers, if used, must first be
covered with gypsum board,
plywood, particle board or other
material to assure insulation
and vapor barriers remain in
place.
When complete these fireplace systems con-
sists of four basic “sub-systems”:
1. The Fireplace
2. The Chimney and Termination
3. Glass Doors
4. Combustion Air Kit
CLEARANCES AND HEIGHT
REQUIREMENTS
The fireplace may be placed on or near normal
construction materials*. The combustion air
kit, firestop spacer and roof flashing (not chase
flashings) may be placed directly on or against
normal construction materials.* The chimney
and fireplace outer wrapper require a minimum
2" and 1/2" air space to combustibles respectively.
A combustible mantel may be installed 12" above
the opening of the fireplace as per NFPA 211-
latest edition.
Chimney and
Termination
Firestop
Thimble
Outside Combustion Air Kit
Minimum System Height
Security's FTF8 Pipe
Vertical Installation 15' 0"
One Offsets 16' 0"
Two Offsets 25' 0"
Table 1