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.
Description
The SR/SC Series "A" fireplaces are solid fuel, woodburning premium fireplaces. The SR36A/42A are radiant
clean-face models and the SC36A/42A are circulating
models with removable grilles (louvres). Both models
are fully insulated fireplaces.
Precautions
CFM Specialty Home Products 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 Specialty Home Products components or
the warranty will be voided and a fire hazard may be
created.
CFM Specialty Home Products warranty will be voided
by and CFM Specialty Home Products disclaims any
responsibility for the following actions:
• Installation of any damaged fireplace or
chimney component;
Do not install combustible materials on any of the
black 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.
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.
Gas Logs
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.
• Modification of fireplace, chimney assembly or
any component parts thereof; (except for chase
flashings as detailed in Chimney Top installation
instructions).
• Installation other than as instructed by CFM
Specialty Home Products; or
• Installation and/or use of any component part
not manufactured or approved by CFM Specialty Home Products in combination or
assembly with a Majestic Fireplaces 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.
Do not obstruct or modify air inlets/outlets in any
manner.
SC36A Series Woodburning Fireplace — Circulating Model
Fig. 2 SC36A Series specifications and framing.
7412948
FP589
FP590
3
SR/SC Series "A" Woodburning Fireplace
SR42A Series Woodburning Fireplace
Rough
Opening
Depth
(572mm)
22¹⁄₂"
(210mm)
22"
(559mm)
Rough
Opening
Height
(1111mm)
7¹⁄₂"
(191mm)
14⁵⁄₈"
(372mm)
8¹⁄₄"
43³⁄₄"
¹⁄₂"
50" (1270mm)
50" (1270mm)
¹⁄₂" (13mm)
)
m
" (914m
36
" (1791m
¹⁄₂
70
39⁵⁄₈"
(1006mm)
Outside
Air
Gas Line
Access
)
" (16m
m
⁵⁄₈
11"
(279mm)
)
m
26¹⁄₄"
(667mm)
Rough Opening Width 47"
(1067mm)
(1194mm)
42"
11" Dia.
(279mm)
8" Dia.
(203mm)
(191mm)
22³⁄₄"
(578mm)
(610mm)
(197mm)
(16mm)
7¹⁄₂"
24"
7³⁄₄"
Recessed
⁵⁄₈"
Nailing
Flange
Gas Line
Access
8"
(203mm)
15⁵⁄₈"
(397mm)
Fig. 3 SR42A Series specifications and framing.
SC42A Series Woodburning Fireplace — Circulating Model
Rough
Opening
50" (270mm)
¹⁄₂" (13mm)
50" (1270mm)
¹⁄₂"
Outside Air
36" (914mm)
Gas Line
Access
⁵⁄₈" (16mm)
70¹⁄₂" (1791mm)
39⁵⁄₈"
(1006mm)
11"
(279mm)
8"
(203mm)
Fig. 4 SC42A Series specifications and framing.
4
Depth
22¹⁄₂"
(572mm)
15 ³⁄₈"
(391mm)
3"
(76mm)
Electrical
Access
8¹⁄₄"
(210mm)
22"
(559mm)
Rough
Opening
Height
43³⁄₄"
(1111mm)
7¹⁄₂"
(191mm)
14⁵⁄₈"
(372mm)
3"
(76mm)
Electrical Access
46"
(1168mm)
26¹⁄₄"
(667mm)
Rough Opening Width 47"
(1067mm)
38" (965mm)
46" (1168mm)
(1194mm)
42"
11" Dia.
(279mm)
8" Dia.
(203mm)
(971mm)
22³⁄₄"
(578mm)
(45mm)
⁵⁄₈"
(16mm)
(191mm)
38¹⁄₄"
(610mm)
(197mm)
1³⁄₄"
Recessed
Nailing
Flange
7¹⁄₂"
24"
7³⁄₄"
FP591
Gas Line
Access
FP592
7412948
Chase Installation
Insulation methods shown are optional
for cold climate, not a requirement for
unit operation.
Batt Insulation
(cut out around
fiestop)
Firestop
SR/SC Series "A" Woodburning Fireplace
Termination Cap
Storm Collar
Pan Flashing
Draftstop
Ceiling Level
Nailing Flange
Gas Line Access
(both sides)
Electrical Access
Outside Air Cover Plate
Standoff
Surround
Damper Control
Screen
Grate
Firebox
Metal Safety Strips
(1, 2 or 3 pieces)
Gas Line Knockout
(both sides)
Fig. 5 Fireplace and chase parts identification.
7412948
FP554
5
SR/SC Series "A" Woodburning Fireplace
Chimney Requirements - Offset Installations
CHIMNEY FLUE EXIT
CHIMNEY
SECTION
ELBOW
A
B
D
E
RISE
6 FT.
C
OFFSET
B
HEARTH
FLOOR
Example 1Example 2Example 3
Notes: G + H cannot exceed 20 feet.
Air Space Clearances: SK8 (2-wall) = 1¹⁄₂" and "S" Series (3-wall) = 2"
Illustration Key
The following safety rules apply to offset
installations (letters correspond with
illustration above):
A. Height of the chimney is measured
from the hearth to the chimney exit.
SR/SC36ASR/SC42A
Maximum:90'0"90'0"
Minimum:
Without Elbows 12' 6"12' 6"
With 2 Elbows* 14' 6"14' 6"
With 4 Elbows* 21' 0"21' 0"
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.
* In Canada, two (2) SK845 are allowed.
G
H
C. The chimney cannot be more than 30˚
(45˚ in Canada) from the vertical plane in
any installation*.
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 SKCS8) is
required every 6 feet of angled run of
chimney . Chimney supports are required
for every 30 feet and 60 feet (SK8 pipe)
or 20 feet and 40 feet (3-wall pipe) of
vertical 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.
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 1/2" (13mm) from a
combustible back wall and 1/2" (13mm) from a com-
bustible side wall or support. (Page 14, Fig. 20)
Planning the Chimney Run
L
T
MODEL SK
2 WALL CHIMNEY
L
1
L
1
Fig. 7 Installed lengths of chimney sections.
SK81
SK818
SK83
SK84
TOTAL
LENGTH
(LT)
11¹⁄₂
17¹⁄₂
35¹⁄₂
47¹⁄₂
"
"
"
"
INSTALLED
LENGTH
(L1)
10¹⁄₂
"
16¹⁄₂
"
34¹⁄₂
"
46¹⁄₂
"
WF288
5. No more than 2 offsets (4 total 30° elbows in U.S./
or 2 total 45° elbows in Canada) per fireplace may
be used.
6. A guy wire stabilizer is required for chimneys
extending more than 6' (1.8m) above a roof line.
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' (3m) or less, the top of the
chimney must be at least 2' (610mm) above the
peak of the roof, but never less than 3' (914mm) 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' (3m), a chimney height
reference point is established 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' (610mm) above the reference point, but
never less than 3' (614mm) in height above the
highest point where it passes through the roof.
Determine how the chimney will be run, length of run
and chimney components required to complete the
job. (Fig. 6) Never install a chimney below minimum
heights.
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' (6m).
7412948
0 To 10’
2’ Min.
3’
Min.
Reference
Point
Fig. 8 Ten Foot Rule illustration.
0 To 10’
2’ Min.
3’
Min.
AC246
7
SR/SC Series "A" Woodburning Fireplace
Chimney Supports
The chimney system is supported by the fireplace for
vertical chimney heights less than 30' (9m) above the
hearth. Chimney supports are required if the vertical
height exceeds 30' (9m) with SK8 chimneys or 20'
(6m) with 3-wall chimneys. Locate chimney supports
at ceiling holes or other structural framing at 30' (9m)
(SK8) or 20' (6m) (3-wall) heights. Spacing between
chimney supports must not exceed 30' (9m) (SK8) or
20' (6m) (3-wall). Use Chimney Support Model
SKCS8. (NOTE: The SKCS8 can not be mounteddirectly 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' (1.8m)
in addition to the elbow straps. Chimney supports are
used for this function. (Fig. 9)
Chase Installation
A chase is a vertical boxlike 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. 5)
If you need help in determining fireplace location or
how the chimney system should be run, contact your
Majestic Fireplaces 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. 5)
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)
SKCS8
Fig. 9 Chimney support installation
8
FP284
7412948
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