Vermont Casting ODSHR42 User Manual
ODSHR Series
Outdoor Woodburning Fireplace
Homeowner's Installation
and Operating Manual
Model:
Underwriter's Laboratories
Report No. MH20546
ODSHR42
DO NOT DISCARD THIS MANUAL: Retain for future use.
20002264 10/06 Rev. 17
ODSHR Outdoor Woodburning Fireplace
Table of Contents
PLEASE READ THIS MANUAL BEFORE INSTALLING AND USING FIREPLACE.
IMPORTANT: Read all instructions and warnings carefully before starting installation. Failure to follow
these instructions may result in a possible fire hazard and will void the warranty.
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications and Framing Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Hearth Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Chase Installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Freestanding Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Chimney Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Planning Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Framing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Installing Outside Air Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Installing Chimney System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Finishing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Sidewall Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Hearth Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Installing Line for Gas Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
2
20002264
ODSHR Outdoor Woodburning Fireplace
Safety Information
NOTE: This unit is intended for outdoor use in the United States using CF11 or SK chimney systems. The unit
may be installed indoors, in the U.S. only, using CF11 chimney system only. This unit is intended for outdoor
use in Canada using the SK chimney system only.
Description
The ODSHR Series (Super Hearth) fireplace is a cleanfaced, solid fuel, woodburning fireplace.
Precautions
CFM Corporation fireplaces and component parts have
been highly tested and will operate safely when installed
in accordance with instructions provided in this manual.
Carefully read and understand all instructions before
beginning installation.
If you notice any damage to fireplace or component parts,
immediately report damage to your Majestic Fireplaces
dealer.
Only use CFM Corporation components or the warranty
will be voided and a fire hazard may be created.
CFM Corporation warranty will be voided by and CFM
Corporation disclaims any responsibility for the following
actions:
• Installation of any damaged fireplace or chimney
component;
• Modification of fireplace, chimney assembly or any
component parts thereof; (except for chase flashings
as detailed in the Chimney Top installation instruc
tions).
• Installation other than as instructed by CFM Corporation; or
• Installation and/or use of any component part not
manufactured or approved by CFM Corporation in
combination or assembly with a CFM Corporation
fireplace system, notwithstanding any independent
testing laboratory or other third party approval of
such component parts or accessory.
Any such action may possibly cause a fire hazard.
Consult local building codes to ensure that you are in
compliance before installing the fireplace.
Fireplaces must be vented to the out-of-doors.
WARNING: To avoid the risk of damaging fireplace
materials and increasing the risk of spreading a fire,
do not use the fireplace to cook or warm food.
Do not obstruct or modify air inlets/outlets in any
manner.
Do not install combustible materials on any of the
fireplace surround.
Burn only solid wood fuel or gas logs.
Do not install a solid fuel burning insert or other
products not specified for use with this fireplace.
These fireplaces are not approved for installation in
mobile homes.
This fireplace is not designed to be water tight.
Therefore, when installing this unit against an exterior wall, the wall must be finished before setting unit
in place.
Proposition 65 Warning: Fuels used in gas, woodburning
or oil fired appliances, and the products of combustion of
such fuels, contain chemicals known to the State of California to cause cancer, birth defects and other reproductive
harm.
California Health & Safety Code Sec. 25249.6
Drafts
The fireplace should not be located in areas that create
drafts (ie: frequently opened doors and central heating air
inlets/outlets) that hamper the normal flow of air into the fire.
-
If you plan to install a gas log, the gas line should be
installed before framing the fireplace. The gas line must
be installed by a certified gas line installer.
Gas Logs
Cleaning
There are three methods of cleaning the polished stainless steel of your outdoor fireplace;
1. Warm, soapy water - to loosen any dirt film
2. Glass cleaner with ammonia
3. Stainless steel cleaner available at hardware stores
Regardless of which method is used, remember that anything with too much abrasive may dull the finish.
ODSHR42
Listed
UL / ULc127
Standard for Factory Built Fireplaces
20002264
Unit: GH3SR0
3
ODSHR Outdoor Woodburning Fireplace
Minimum
Rough
Opening
Height
42"
(1067 mm)
52
"
(1327 mm)
44"
(1118 mm)
"
"
"
(610 mm)
"
(189 mm)
13" Dia.
Minimum Rough Opening
Width 53" (1365 mm)
Minimum
Rough
Opening
Depth
62" (1578 mm)
" (2232 mm)
"
264 mm)
"
(280 mm)
"
(889 mm)
48
"
(1226 mm)
" (1132mm)
" (19 mm)
"
"
12"
(318 mm)
11" Dia.
15"
(397 mm)
13
"
(349 mm)
7"
14
"
(368 mm)
Outside
Air
Gas Line Access
Gas Line
Access
62" (1578 mm)
(340 mm)
(279 mm)
A
B
C
1/2” (13 mm)
ODSHR42 Series Woodburning Fireplace
Fig. 1 ODSHR42 Series specifications and framing.
Front Width Back Width Depth
A B C
ODSHR42 41⁷⁄₈" 27⁷⁄₈" 20⁵⁄₁₆"
(1064 mm) (708 mm) (516 mm)
Fig. 2 Hearth dimensions.
4
FP1531
Fig. 3 Exterior chase installation.
NOTE: When installation
is on a hard, flat surface
(such as concrete), the
surface must be sloped
1/4" per foot away from
any structure.
Blocking
Hard, Flat Surface
(i.e. concrete)
Metal Safety Strips
FP1642
20002264
ODSHR Outdoor Woodburning Fireplace
Chase Installation
Insulation methods shown are optional for cold climate, not a
requirement for unit operation or exterior installation .
Interior Chase
Installation
Batt Insulation
(cut out around
firestop)
Firestop
Ceiling
Level
Gas Line Access
(both sides)
Outside Air
Cover Plate
FP554A
Fig. 4 Fireplace and chase parts identification.
Termination Cap
Storm Collar
Pan Flashing
Draftstop
Ledge Bracket
Surround
Damper Control
Gas Line
Knockout
(both sides)
Screen
Grate
Firebox
Metal Safety
Strips (1,2 or 3)
Exterior
Siding
Interior sides
of chase
should be
weather proof
Gas Line Access
(both sides)
Outside Air
Cover Plate
Exterior Chase Installation
Termination Cap
Metal Safety
Strips (1,2 or 3)
Storm Collar
Pan Flashing
Exterior
Siding
Ledge
Bracket
Surround
Damper
Control
Gas Line
Knockout
(both
sides)
Screen
Grate
Firebox
NOTE: If the fireplace is a freestanding unit, it must be located
a minimum of 10' (3 m) from the
opening of the firebox to a combustible structure.
A minimum height of 6'4" (1.9 m)
measured from the base of the
firebox to the bottom of the termination cap is permitted.
Fig. 5 Freestanding installation.
6'4" (1.9 m)
Min.
10'
(3 m)
Min.
FP1001
20002264
5
ODSHR Outdoor Woodburning Fireplace
OFFSET
RISE
D
RISE
B
G
H
B
OFFSET
C
E
6 FT.
G
H
A
HEARTH
FLOOR
CHIMNEY
SECTION
CHIMNEY FLUE EXIT
ELBOW
30˚
OFFSET
ELBOW
30˚
OFFSET
ELBOW
30˚
RETURN
ELBOW
30˚
RETURN
ELBOW
11CS
SUPPORT
Example 1 Example 2 Example 3
Chimney Requirements - Offset Installations
IWF282
30˚ Elbow Offsets
Notes: G + H cannot exceed 20 feet (610cm).
*11CF Chimney airspace clearance = 2" (51mm) minimum.
Illustration Key
The following safety rules apply to offset
installations (letters correspond with illustra
tion above):
A. Height of the chimney is measured from
the hearth to the chimney exit.
ODSHR42
Maximum: 90' (27.4 m)
Minimum:
Without Elbows 14'6" (4.4 m)
With 2 Elbows* 15'6" (4.7 m)
With 4 Elbows* 21'0" (6.4 m)
B. Do not use more than 4 elbows per
chimney.
Attach the straps of the return (top) elbow
to a structural framing member.
The offset (first) elbow of any pair does not
have straps.
C. The chimney cannot be more than 30˚
Fig. 6 Chimney system requirements.
6
1'
0 0 0 0 0 3" 11"
1 0 0 0 0 8
0 1 0 0 0 11
2 0 0 0 0 13¹⁄₂" 29¹⁄₄"
1 1 0 0 0 16
0 0 1 0 0 20
2 1 0 0 0 21
0 0 0 1 0 26
0 1 1 0 0 28¹⁄₂" 55¹⁄₄"
1 0 0 1 0 31
0 1 0 1 0 34
0 0 2 0 0 37¹⁄₂" 70³⁄₄"
1 1 0 1 1 41
0 0 1 1 1 45" 83
0 1 2 0 1 47¹⁄₄" 87¹⁄₂"
FP269
from the vertical plane in any installa-
-
tion.
D. The maximum length of the angled
run of the total chimney system is 20
feet. (G plus H cannot exceed 20 feet.)
E. A chimney support (Model 11CS)
is required every 6 feet of angled run
of chimney. Chimney supports are
required for every 30 feet and 60 feet
chimney height above the hearth.
Determine the offset distance of your
chimney arrangement from the centerline of the fireplace to the centerline of
the chimney where it is to pass through
the first ceiling.
NOTE: This offset distance may not be
your full offset distance. See Examples
2 and 3.
0 0 0 2 1 51" 94"
0 1 1 1 1 53¹⁄₄" 98"
0 0 3 0 1 56¹⁄₄" 103¹⁄₄"
0 1 0 2 1 59
0 0 2 1 1 62
0 1 3 0 1 64
0 0 1 2 1 68
0 1 2 1 1 70¹⁄₂" 128"
0 0 0 3 1 74
0 1 1 2 2 78" 140
0 0 3 1 2 81" 146"
0 1 0 3 2 84" 151
0 0 2 2 2 87" 156
0 1 3 1 2 89¹⁄₄" 160¹⁄₄"
0 0 1 3 2 93" 166
0 1 2 2 2 95
0 0 0 4 2 99
0 1 1 3 2 101
0 0 3 2 2 104¹⁄₄" 186¹⁄₄"
0 1 0 4 2 107
0 0 2 3 2 110
0 1 3 2 3 114" 203¹⁄₄"
0 0 1 4 3 117
0 1 2 3 3 120" 213
0 0 0 5 3 123³⁄₄" 220"
1¹⁄₂'
3' 4'
Offset
Chimney
Support
Rise
¹⁄₄" 20"
¹⁄₄" 25¹⁄₄"
¹⁄₂" 34¹⁄₄"
¹⁄₄" 40³⁄₄"
³⁄₄" 43¹⁄₂"
¹⁄₄" 51¹⁄₄"
¹⁄₂" 60¹⁄₄”
¹⁄₂" 65¹⁄₂"
¹⁄₂" 77³⁄₄"
³⁄₄"
¹⁄₄" 108¹⁄₂"
¹⁄₄" 113¹⁄₂"
¹⁄₂" 117¹⁄₂"
¹⁄₄" 124"
¹⁄₄" 134¹⁄₂"
³⁄₄"
¹⁄₄"
¹⁄₂"
³⁄₄"
¹⁄₄" 170³⁄₄"
¹⁄₄" 177³⁄₄"
¹⁄₄" 181³⁄₄"
¹⁄₄" 191¹⁄₂"
¹⁄₄" 196³⁄₄"
³⁄₄" 209³⁄₄"
¹⁄₂"
20002264
Planning Information
L
1
L
1
L
T
11CF
Chimney
Model No.
Total
Length
(L
T
)
Installed
Length
(L
1
)
11CF1
11CF18
11CF3
11CF4
"
"
"
"
"
"
"
"
2' Min.
2' Min.
3'
Min.
0 To 10'
3'
Min.
0 To 10'
Reference
Point
Preplanning an installation is very important to ensure
safety and to save time and money. An installer must
predetermine where a fireplace will be set and how the
chimney system will be run.
Mounting the Fireplace
A fireplace may only be mounted on the following surfaces:
1. A flat combustible surface.
2. A raised wooden platform.
3. A concrete block or other solid object placed beneath
each of the four (4) corners of the fireplace.
The fireplace must be spaced 3/4" (19 mm) from a
combustible back wall and 3/4" (19 mm) from a combustible side wall or support. (Fig. 20, Page 14)
Planning the Chimney Run
Determine how the chimney will be run, length of run
and chimney components required to complete the
job. (Fig. 7) Never install a chimney below minimum
heights.
ODSHR Outdoor Woodburning Fireplace
The Ten Foot Rule
Major U.S. building codes specify a minimum chimney
height above the roof top. The “Ten Foot Rule” is a fire
safety rule and not a draft rule. To ensure proper draft,
it is recommended that you always meet or exceed the
“Ten Foot Rule,” especially when installing a termination on a high pitch roof. (Fig. 8)
The key points of the "Ten Foot Rule" are:
1. If the horizontal distance from the chimney to the
peak of the roof is 10' (3 m) or less, the top of the
chimney must be at least 2' (610 mm) above the
peak of the roof, but never less than 3' (914 mm)
in height above the highest point where it passes
through the roof.
2. If a horizontal distance from the chimney to the
peak of the roof is more than 10' (3 m), a chimney
height reference point is established that is on
the surface of the roof a distance of 10' (3m) from
the chimney in a horizontal plane. The top of the
chimney must be at least 2' (610 mm) above the
reference point, but never less than 3' (914 mm)
in height above the highest point where it passes
through the roof.
FP288b
Fig. 7 Installed lengths of chimney sections.
In planning a chimney system, it is important to know:
1. The height of a chimney is measured from the
hearth to the exit point on the termination.
2. A chimney cannot be offset more than 30° from a
vertical plane.
3. A chimney may run straight up or it may be necessary to offset it to avoid obstructions.
4. The maximum length of an angled run (total chimney
system) is 20' (6 m).
5. No more than 2 offsets (4 total 30° elbows in) per
fireplace may be used.
6. A guy wire stabilizer is required for chimneys extend
ing more than 6' (1.8 m above a roof line.
20002264
AC246
Fig. 8 Ten Foot Rule illustration.
-
7
ODSHR Outdoor Woodburning Fireplace
Chimney Supports
The chimney system is supported by the fireplace for
vertical chimney heights less than 30' (9 m) above the
hearth. Chimney supports are required if the vertical
height exceeds 30' (9 m) with 11CF chimneys. Locate
chimney supports at ceiling holes or other structural
framing at 30 foot heights. Spacing between chimney
supports must not exceed 30' (9 m). Use Chimney
Support Model 11CS. (NOTE: The 11CS can not be
mounted directly to the fireplace.) Support provided
by elbow straps fulfills the support requirement only if
they are spaced as previously described. (A chimney
support is 2¹⁄₂" (64mm) long when installed.)
Angled chimney runs require a support every 6' (1.8 m)
in addition to the elbow straps. Chimney supports are
used for this function. (Fig. 9)
Chase Installation
A chase is a vertical box-like structure which encloses
the fireplace and/or chimney. Chases are typically built
on the outside of the house with fireplace opening cut
into the outer wall of a room. (Page 5, Fig. 4)
If you need help in determining fireplace location or how
the chimney system should be run, contact your CFM
Corporation dealer for assistance.
Chimney Support Strap
Installation
Insulating Fireplace Enclosure
for Cold Climates
If you live in a cold climate, it is not required but
highly recommended that you insulate fireplace
enclosure to eliminate cold air penetration as much
as possible.
Insulate base of fireplace with a noncombustible
insulation rated for a minimum of 300°F. Insulating
is very important for outside wall installations over
a concrete slab. If fireplace is installed on a platform,
insulation should be placed on top of the platform
before fireplace is set. (Fig. 10)
When a fireplace is installed in a chase or on an
outside wall, enclosure should be treated like any
outside wall in a home. Insulation should be installed
on the inside wall as well as the outside wall(s). In
a chase, it is also a good idea to install a firestop at
the first ceiling level above the fireplace and enclose
the chase with sheeting material. Insulation may
then be installed above sheeting material to assure
the space around the fireplace is totally protected.
(Fig. 4)
When installing the chimney, DO NOT caulk between outer pipe and firestop. It is vital that some air
be allowed to flow through this very thin gap.
CAUTION: WHEN INSTALLING A FIREPLACE
IN AN INSULATED ENCLOSURE, BE SURE ALL
REQUIRED AIR SPACES ARE MAINTAINED. (Page
14, Fig. 20)
11CS
Fig. 9 Chimney support installation
8
FP284
Hard, Flat
Surface
Insulation
Platform
FP555SHR
Fig. 10 Insulating between platform and fireplace.
20002264
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