MAJESTIC BC36 36 Inch Heat Circulating Wood Burning Fireplace Instruction Manual

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BC36 36 Inch Heat Circulating Wood Burning Fireplace

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BR/BC Series
Woodburning Fireplace

Homeowner’s Installation and Operating Manual
For Models:
BR36
BR42
BC36
BC42
For use in U.S./Canada
Underwriter’s Laboratories
Report No. MH7603 11/10/97
NATIONAL FIREPLACE INSTITUTE

CERTIFIED
www.nficertified.org

We recommend that our woodburning hearth products be installed and serviced by professionals who are certified in the U.S. by the National Fireplace Institute® (NFI) as NFI Woodburning Specialists or who are certified in Canada by Wood Energy Technical Training (WETT).

Wood Energy
Technical Training
www.wetitinec.ca
DO NOT DISCARD THIS MANUAL: Retain for future use.
7412944 1/11 Rev. 27

Safety Information

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 BR/BC Series fireplaces are solid fuel, woodburning fireplaces. The BR36/42 (Builder Radiant) is a clean-face fireplace and the BC36/42 (Builder Circulating) unit has fixed grilles.

Precautions
MHSC 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 MHSC Fireplaces dealer.
Only use MHSC components or the warranty will be voided and a fire hazard may be created.
MHSC warranty will be voided by and MHSC disclaims any responsibility for the following actions:

• Installation by any other than a qualified installer, preferably NFI or WeTT (Canada) certified.
• 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 Chimney Top installation instructions).
• Installation other than as instructed by MHSC; or
• Installation and/or use of any component part not manufactured or approved by MHSC in combination or assembly with a MHSC 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.
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.
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.
BR36 / BR42
BC36 / BC42
Listed
UL 127 / ULC-S610
Standard for Factory Built Fireplaces

BR36 Series Woodburning Fireplace

Fig. 1 BR36 Series specifications and framing.

If elbows are offset to the back of the unit, chase depth will be 22⁵⁄₈” (575mm).
BC36 Series Woodburning Fireplace — Circulating Model Fig. 2 BC36 Series specifications and framing.
If elbows are offset to the back of the unit, chase depth will be 22⁵⁄₈” (575mm).
BR42 Series Woodburning Fireplace If elbows are offset to the back of the unit, chase depth will be 22⁵⁄₈” (575mm).
Fig. 3 BR42 Series specifications and framing.
BC42 Series Woodburning Fireplace — Circulating Model
If elbows are offset to the back of the unit, chase depth will be 22⁵⁄₈” (575mm).
Fig. 4 BC42 Series specifications and framing.

Fig. 4a Hearth dimensions.
Chase Installation
Insulation methods shown are optional for cold climate, not a requirement for unit operation.![MAJESTIC BC36 36 Inch Heat Circulating Wood Burning Fireplace

• Termination Cap](https://manuals.plus/wp-content/uploads/2024/07/MAJESTIC- BC36-36-Inch-Heat-Circulating-Wood-Burning-Fireplace-Termination-Cap.jpg)Fig. 5 Fireplace and chase parts identification.

Chimney Requirements – Offset Installations

FP269

Notes: G + H cannot exceed 20 feet.
Air space clearances: SK8 (2-wall = 1Z⁄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.

| BR/BC36| BR/BC42
---|---|---
Maximum:| 90’0″| 90’0″
Maximum:| 1|
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.
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.

| 30° Elbow Offsets|
---|---|---
1′| 1 ¹⁄₂|

‘ 3’

| 4′| Chimney Support| Offset| Rise|
0| 0| 0| 0| 0| 3″| 11″|
1| 0| 0| 0| 0| 8Z⁄v”| 20″|
0| 1| 0| 0| 0| 11Z⁄v”| 25Z⁄v”|
2| 0| 0| 0| 0| 13Z⁄₂”| 29Z⁄v”|
1| 1| 0| 0| 0| 16Z⁄₂”| 34Z⁄v”|
0| 0| 1| 0| 0| 20Z⁄v”| 40³⁄v”|
2| 1| 0| 0| 0| 21³⁄v”| 43Z⁄₂”|
0| 0| 0| 1| 0| 26Z⁄v”| 51Z⁄v”|
0| 1| 1| 0| 0| 28Z⁄₂”| 55Z⁄v”|
1| 0| 0| 1| 0| 31Z⁄₂”| 60Z⁄v”|
0| 1| 0| 1| 0| 34Z⁄₂”| 65Z⁄₂”|
0| 0| 2| 0| 0| 37Z⁄₂”| 70³⁄v”|
1| 1| 0| 1| 1| 41Z⁄₂”| 77³⁄v”|
0| 0| 1| 1| 1| 45″| 83³⁄v”|
0| 1| 2| 0| 1| 47Z⁄v”| 87Z⁄₂”|
0| 0| 0| 2| 1| 51″| 94″|
0| 1| 1| 1| 1| 53Z⁄v”| 98″|
0| 0| 3| 0| 1| 56Z⁄v”| 103Z⁄v”|
0| 1| 0| 2| 1| 59Z⁄v”| 108Z⁄₂”|
0| 0| 2| 1| 1| 62Z⁄v”| 113Z⁄₂”|
0| 1| 3| 0| 1| 64Z⁄₂”| 117Z⁄₂”|
0| 0| 1| 2| 1| 68Z⁄v”| 124″|
0| 1| 2| 1| 1| 70Z⁄₂”| 128″|
0| 0| 0| 3| 1| 74Z⁄v”| 134Z⁄₂”|
0| 1| 1| 2| 2| 78″| 140³⁄v”|
0| 0| 3| 1| 2| 81″| 146″|
0| 1| 0| 3| 2| 84″| 151Z⁄v”|
0| 0| 2| 2| 2| 87″| 156Z⁄₂”|
0| 1| 3| 1| 2| 89Z⁄v”| 160Z⁄v”|
0| 0| 1| 3| 2| 93″| 166³⁄v”|
0| 1| 2| 2| 2| 95Z⁄v”| 170³⁄v”|
0| 0| 0| 4| 2| 99Z⁄v”| 177³⁄v”|
0| 1| 1| 3| 2| 101Z⁄v”| 181³⁄v”|
0| 0| 3| 2| 2| 104Z⁄v”| 186Z⁄v”|
0| 1| 0| 4| 2| 107Z⁄v”| 191Z⁄₂”|
0| 0| 2| 3| 2| 110Z⁄v”| 196³⁄v”|
0| 1| 3| 2| 3| 114″| 203Z⁄v”|
0| 0| 1| 4| 3| 117³⁄v”| 209³⁄v”|
0| 1| 2| 3| 3| 120″| 213Z⁄₂”|
0| 0| 0| 5| 3| 123³⁄v”| 220″|

Fig. 6. Chimney system requirements.

Planning Information

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″ (13 mm) from a combustible back wall and 1/2″ (13 mm) from a combustible side wall or support. (Page 14, Fig. 20)
Planning the Chimney Run 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 neces- sary 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 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′ (1.8 m) 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′ (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 on the surface of the roof a distance of 10′ (3 m) 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.

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 SK8 chimneys or 20′ (6 m) with 3-wall chimneys. Locate chimney supports at ceiling holes or other structural framing at 30′ (9 m) (SK8) or 20′ (6 m) (3-wall) heights. Spacing between chimney supports must not exceed 30′ (9 m) (SK8) or 20′ (6 m) (3-wall). Use Chimney Support Model SKCS8. (NOTe: The SKCS8 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 2Z⁄₂” (64 mm) 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. 5)
If you need help in determining fireplace location or how the chimney system should be run, contact your MHSC Fireplaces dealer for assistance.

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 a 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, Figure 20)

Framing
Framing can be constructed before or after the fireplace is set in place, however, most installers build the frame before setting the fireplace.
Frame fireplace with 2 x 4 lumber or heavier materials.
Refer to framing dimensions in Figures 1, 2, 3 or 4 for basic fireplace specifications.
NOTE: When using 2 x 6 framing construction, the allowable air space between the front of the SK8 outer pipe and 2 x 6 framing is reduced to 1″ (25mm) as tested and approved by U.L. for use in both the United States and Canada.
NOTE: Framing should be positioned to accommodate wall covering and fireplace facing material.
Installing electrical Wire (for Circulator Models)
If a circulating fireplace is to be installed, run the 120 VAC, 60 Hz wiring to the left side of installation. Wiring must be completed before the fireplace is secured and finish material applied.
Remove the cover plate and electrical knock-out on the lower left side of the fireplace and set aside. Follow the instructions on Page 10 for proper wiring and installation of the EB1.
If the fan kit is not being installed with the fireplace, it is highly recommended that 120 VAC supply be made available since someone may elect to install a blower at a later date.

Option For Circulating Models Only —
EB1 (Receptacle) Hook-Up:

• Wiring should be installed by a certified electrician.
• Turn off circuit breaker before wiring models.

Once fireplace is secured, complete wiring the fan kit. Remove knockout in the center of the back of the EB1 and install listed cable clamps. Feed electrical wire through listed cable clamp leaving approximately 6″ (152 mm) of wire exposed through the EB1. Secure listed cable clamp to the wire.
Attach white wire from power source to one (1) wire of receptacle and secure with nut. Attach black wire from power source to the other wire of receptacle and secure with nut. Be sure nuts are secured tightly.
Secure EB1 assembly to inside of electrical box coverplate using two screws. Attach cover to face of the EB1 while being careful to position excess wire completely within the EB1, then attach coverplate to fireplace.
Install Fan Kit Assembly
Refer to optional Model FK12 fan kit assembly installation instructions for field installation.

Chimney Set-up
Since you have already preplanned the chimney run, you should know exactly how the installation is to be accomplished — how much pipe is required, the number of elbows, if any, and type of termination to be used.
CAUTION: REPORT TO YOUR DEALERS ANY PARTS DAMAGED IN SHIPMENT, SPECIFICALLY CHECK THE END CONNECTION OF CHIMNEY SECTIONS AND ELBOWS.
NOTE: Fireplaces may use MHSC Model SK8, or Model S (three wall) chimney systems. The BR/BC Series Fireplace will accept the SK8 chimney system as is; but a TWABR adapter collar is required when using the Model S (triple wall) chimney system. The installation procedure described in this manual applies only to the SK8 system. Either chimney system may be used, but may not be mixed.

Straight-Up Chimney Installation
To mark the centerline of the flue, put the fireplace in final position and measure out from the wall: 8Z⁄v” (210 mm)
Mark a spot on the ceiling directly above the fireplace.
Draw a line parallel to the back wall through this mark.
(Fig. 11)
Using a plumb bob positioned directly over center point of fireplace flue collar, mark the ceiling to establish the chimney center point. (Fig. 11)

Offset Installation
In order to clear an obstruction, it may be necessary to offset chimney from vertical. This is accomplished by using MHSC elbows. Use the 30° Offset Elbow table on Page 6 to determine proper offset and parts required.
Each offset requires two (2) elbows. The second elbow is equipped with support straps. It is very important to install the second elbow in each offset as close to the ceiling or support as possible so that the elbow straps can be secured to framing members to help support the weight of the chimney.
Determine offset distance of your chimney arrangement from centerline of fireplace to centerline of chimney where it is to pass through ceiling.
Locate center point of the chimney on ceiling as though a straight up chimney arrangement is to be used. Measure your offset dimension from straight up chimney center point on ceiling.

Ceiling Chimney Hole/Possible Obstructions
The size of the hole in ceiling will vary with the angle at which the chimney passes through ceiling.
Drive a nail up through ceiling at marked chimney center point. Go to floor above and see where hole will be cut. Check to see where existing ceiling joists and other possible obstructions are located…i.e. wiring, plumbing etc… If necessary, re-position chimney and/or fireplace to avoid obstructions.

Cutting the Hole
Cover fireplace collar opening and cut proper sized chimney hole in chimney. The SK8 pipe allows you to run pipe through a typical 16” on center joist without cutting joists.
Framing the Ceiling Hole
Frame the ceiling chimney hole as shown in Figure 12. It is good practice to use framing lumber that is the same size as the ceiling joists; this is a requirement at attic level.The following table gives firestop spacer model numbers:

25Z⁄₂” (368 mm x 648 mm)
8″ Flue “S” Series 3-Wall| FS2A 17Z⁄₂” x 17Z⁄₂” (445 mm x 445 mm)| FS6A 17⁷⁄₈” x 29⁵⁄₈” (454 mm x 753 mm)

Fig. 13 Ceiling chimney hole sizes necessary for installing firestop spacer.
The inside dimension of the frame must be the same as the hole size selected from Figure 13 in order to provide the required 1Z⁄₂” (38 mm) of air space between the outside diameter of the chimney and the edges of the framed ceiling hole.

Positioning, Safety Strips, Securing the Fireplace
Slide fireplace into position.
Lift the fireplace front slightly and slide the metal safety strips under front bottom edge about 1Z⁄₂” (38 mm), allowing the remainder to extend in front of firebox. Overlap strips at least 1/2″ (13 mm) to provide a positive joint. (Flat safety strips are packed with fireplace.) (Fig. 14)
Safety strips are used to ensure that any combustible materials in front of the fireplace are protected even though a noncombustible hearth extension is required.
If fireplace is to be elevated above the floor, a “Z” shaped metal safety strip must be fabricated and used to protect combustible surfaces in front of the fireplace.
This “Z” shaped safety strip is not provided but must be fabricated of metal with each horizontal leg at least 1Z⁄₂” (38mm) wide and equal in length to the metals strips provided with the fireplace.
Note: Safety strips are not required over noncombustible floors where all supports at the base of the fireplace are noncombustible.
Four (4) nailing flanges are supplied with the fireplace (found on the fireplace hearth). To level the box and secure it firmly in place, remove the nailing flanges from the hearth and install at the sides of the fireplace as shown in Figure 15.

Installing Outside Air Kit

An outside air kit is installed in all BR/BC Series Fireplaces.
If desired, or if local codes mandate the use of an air kit, then an AK-MST is required to complete the installation (from air kit to the outdoors). If the outside air kit is to be used, the AK-MST MUST be installed BEFORE the fireplace is enclosed. Refer to the AK-MST instructions for field installation.
NOTE:
For Canada installations, model CCE-SK Chimney Collar Enclosure must be used on this fireplace with
Model SK8 double wall chimney systems.

Installing the Chimney System
Start by attaching the first chimney section to the collar on top of the fireplace.
Install the pipe as pictured in Figure 16. When you get a good lock, you will hear the pipe clearly snap together. Once sections are snap-locked in place, it is extremely difficult to get them apart. Make sure the pipe is firmly snapped and locked together as each pipe section is mounted.
When installing elbows, only outer pipe will snap- lock.
Middle pipes simply slide into position. Be sure to always attach straps on upper elbow to a structural framing member. (Fig. 17)
Continue installing the pipe as required until pipe is installed up through the ceiling. At this point, you must install a firestop spacer.
Installing the Firestop Spacer in the Ceiling Hole
A firestop spacer is used to keep pipe spaced properly and required for safety.
Nail the firestop spacer (at each corner) to the framing members of the ceiling hole.
NOTE: A firestop spacer is not required at the roof.
Hole sizes listed in Figure 13 for angled firestop spacers provide minimum required air space to chimney pipe for ceiling thickness up to 8″ (203 mm). When combined thickness of ceiling material, ceiling joists and flooring material exceeds 8″ (203 mm), adjustments must be made in framing to assure that minimum air spaces to chimney are maintained. Proper Firestop Spacer Installation
Figure 18 shows different installation procedures for both an area that is an attic and an area that is not an attic.
If the area above the ceilingis not an attic, position the firestop spacer with the flange on the ceiling side and the angled portion extending up into the hole.
If the area above the ceiling is an attic, position the firestop spacer with the flange on the top of the framed hole and the angled portion extending down into the hole. Firestop spacers are not available for nor are they required on vertical walls.
DO NOT put any sealant around the area where the outer pipe slides through the firestop spacer. If you seal this area, it may cause a fire hazard.

Canadian Requirements for Insulation Shield
In Canada, an attic insulation shield is required to prevent attic insulation from contacting the chimney section.
NOTE: If the attic insulation shield is used, the firestop is not required in the attic installation. Framing dimensions for the chimney hole should  measure 14Z⁄₂” x 14Z⁄₂” (368 x 368 mm). An attic shield MUST be installed on top of attic joists (above the floor level). (Fig. 19)
NOTE: In the U.S., it is a good idea, although not always required, to install an attic insulation shield where blown-in insulation is planned to be used in the attic.
Install the attic insulation shield with the flanges on its base extending down into the framing hole. Nail each corner of attic insulation shield to the framing members of the ceiling hole using 8d nails. Attic shields are not required at the roof.

Continue Installing Pipe to Complete Run
Continue attaching pipe sections to complete system to next level always being careful that the pipe is firmly snapped locked in place before proceeding to next pipe section.
Chimney Supports
If chimney supports are required, they are installed the same as elbows. Nail chimney support straps to adjacent structural framing, as shown on Figure 9, Page 8. Bend straps as necessary and make sure they are secure so they will support the weight of the chimney.
A chimney support is 2Z⁄₂” (64mm) long when installed.
Consider this dimension when determining how many straight chimney sections are needed.
NOTE: Chimney supports are generally used in long runs in a chase installation.
Additional Ceilings
If you encounter additional ceilings, repeat same steps required for first ceiling installation. See firestop illustration on Page 12, Figure 18.
Penetrating the Roof
Run pipe to roofline. Since chimney system must be vented to the out-of- doors, you must use an approved termination.
If a chase is used, refer to the installation manual provided with the termination cap.
Locate Chimney Centerpoint On Roof
Use same procedure detailed in locating center point of the flue system.
Drive a nail up through roof at the center point. This will determine center point on outside of the roof.
Cut and Frame Roof Hole
Size of roof hole varies with the type of chimney termination installed. Refer to installation instructions provided with the chimney termination to find correct size of roof hole.
There must be a 1Z⁄₂” (38mm) air space between outermost portion of chimney sections and any adjacent combustible surfaces. (Combustible surfaces include burnable materials such as: ceiling members, joists, flooring, combustible insulation and roof structures.)
WARNING: DO NOT PACK REQUIRED AIR SPACES WITH INSULATION OR OTHER MATERIALS.
Mark an outline of the roof hole around the center of the point nail. NOTE: Hole dimensions given in the chimney top installation instructions are horizontal dimensions; therefore, the hole size must be marked on the roof accordingly.
Cover the opening of the installed chimney so debris cannot get into the system.
Cut and frame the hole. It is good practice to use framing lumber that is the same size as the rafters. Install the frame securely because the chimney top and flashing anchored to the frame must be able to withstand heavy winds.

Install Remainder of Chimney Sections
Since you have already preplanned the height of your termination according to the Ten Foot Rule, continue to install pipe to the predetermined height.
Check the chimney top installation instructions for details on how high above the roof top the chimney sections (all pipes) should extend.

Installing Top Housing or Termination
Follow the installation instructions provided with the chimney termination you have selected.

Installing Chimney In a Chase
Refer to Page 5, Figure 5 for an illustration of a typical chase installation.
CAUTION: Treatment of firestop spacers and construction of chase may vary with type of building. These instructions are not a substitute for local building codes.”
You must check your local building codes to determine specific requirements for your city or state. NOTE: Other building materials may be required in addition to Firestop Spacers.
Finishing
CAUTION: All joints between the finished wall and the fireplace surround (top/sides) must be sealed with noncombustible material to prevent cold air leakage into the room. Only noncombustible material may be applied to the facing of the fireplace surround. (Black painted area) (Fig. 20)
Finish Wall
Finish the wall with material of your choice. Do not install a combustible mantel shelf less than 12″ (305mm) from the top of the fireplace opening for radiant models and 12″ (305mm) from top of grille opening for circulating models. Do not install a mantel face plate less than 6″ (159mm) from top of fireplace opening for radiant models and 6″ (159mm) from top of grille opening for circulating models. (Fig. 22) If a combustible material is used below a flat mantel shelf, consult your local building codes for minimum clearance from top of fireplace opening to bottom of mantel shelf.
All joints (top, bottom and sides) where wall or decorative facing material meets fireplace surround must be completely sealed with a noncombustible material. (Figures 21 and 22)
NOTE: No side wall protection is required for fireplaces installed at 45° to two (2) side walls (corner installation).Often a decorative surround or vertical portion of the mantel is desired. If this is constructed of any combustible material it must be within the safe zone indicated in Figure 23. Side Wall Protection
Adjacent combustible side walls that are within minimum dimensions shown in Figure 23 of the fireplace opening must be protected with MHSC Wall Shield Model SP40 or a specifically built wall shield described in Figure 20.
The special wall shield design described in Figure 20 is an alternate method of adding protection to side walls and can be used in place of the SP40 with the same wall clearances specified for the SP40. Rt must =1.85 minimum.
Examples of wall shield insulation:

1. Manville – CERAFORM 126, K=.27, 1/2 inches thick
2. MHSC – EH2416, K = .458, 1 inch thick required.

Hearth Installation
A hearth extension is required to protect a combustible floor in front of the fireplace. Refer to Figure 23 for minimum dimensions and mounting detail.
NOTE: Hearth extension must not cover the air inlet opening of a fireplace.
The hearth extension described in Figure 23 must be a durable noncombustible material with a minimum (total) Rt value of 1.09; see Figure 24 for examples. The overall height (above a combustible floor), depth and width must be as indicated, with the extension centered to the fireplace opening.
The top of insulation must be covered with a noncombustible decorative covering or a piece of .018” minimum sheet metal, to protect hearth extension material. (Fig. 23)
Secure the hearth extension to the floor to prevent shifting, using trim molding or other similar means at three (3) outer edges. Seal crack between the fireplace hearth and hearth extension with a noncombustible material. (Figs. 23 and 25)

WARNING: HEARTH EXTENSION MUST BE INSTALLED IN ACCORDANCE WITH FIGURE 23 AND MUST NOT COVER THE BOTTOM FRONT OPENING OF THE CIRCULATING MODEL.
Alternate noncombustible materials may be used providing the (total) thermal resistance (Rt value) of the alternate material employed is greater than or equal to R = 1.09 Thermal resistance (R) or thermal conductivity (K), may be obtained from manufacturer of the material. Factors are related by the formula
K = 1/R. (Fig. 24)
T = given thickness
R = thermal resistance for a given thickness (T)
K = thermal conductivity
Noncombustible material with a lower R value may be used, provided thickness of material is sufficiently greater to maintain an equivalent (total) thermal resistance (Rt).Example of Determining Hearth extension equivalents
To determine the thickness required for any new material: thickness K of listed material (per inch) material
Example for Common Brick
T (new) = 5.0/0.458 x 0.50 in. = 5.46 in. (new required thickness).
Recessed Installation – BR/BC36 Only
Fig. 26 Recessed installation.
NOTE: If noncombustible material is not used between the stainless steel plate and fireplace opening, the steel must be attached to the front of the unit a minimum of four (4) places on each piece with sheet metal screws no longer than 1/2″.
NOTE: The size of the insulation and stainless steel plate must be within limits stated above and covers all combustible framing material.

Installing Line For gas Log

MHSC fireplaces are designed to accept a 1/2 inch gas line for installation of an approved gas appliance.
(MHSC manufactures a wide variety of gas logs for use in MHSC fireplaces.)
Be sure to have the appliance installed in accordance with building codes.
Gas connection may enter from either left or right side of the fireplace.
Locate appropriate gas line in the outer casing of fireplace and remove insulation from gas line tube. (Fig. 27) From inside the fireplace, locate the knockout on the firebrick — be sure you are on the appropriate or “gas line” side of the fireplace. Using a flat bladed screwdriver or small chisel and hammer, carefully tap around the knockout until it loosens and falls out.
Install 1/2 inch certified gas pipe through opening.
After gas pipe installation is complete, use insulation that was removed from gas line tube to repack space around the pipe. Material should be inserted from outside of the fireplace and packed tightly to totally seal between the pipe and tube.
Note: gas pipe should not come in contact with any wood structures until it has reached a point at least one (1) inch away from fireplace side.
NOTE: When installing an ANSI Z21.11.2 ventless appliance, the finishing material used for the mantel must be rated at 250°F or greater.
BTU input of a gas appliance installed in fireplace should be rated less than 100,000 BTU/Hr.
Gas pipe installation is intended for connection to a decorative gas appliance only when (1.) incorporating an automatic shutoff device and (2.) complying with the Standard for Decorative Gas Appliances for Installation in Vented Fireplaces (ANSI Z21.60) or CSA draft requirements for Gas-Fired Log Lighters for Woodburning Fireplaces (Draft No. 4, August 1993).
Decorative gas appliance should be installed in accordance with the National Fuel Gas Code, ANSI Z223.1/ NFPA 54 (latest edition). CAUTION: WHEN USING DECORATIVE GAS APPLIANCE, FLUE DAMPER MUST BE SET IN FULLY OPEN POSITION. IF YOU HAVE GLASS DOORS ON THE FIRE- PLACE, THEY MUST ALSO BE FULLY OPENED.
WARNING: DO NOT OPERATE AN UNVENTED GAS LOG SET IN THIS FIRE- PLACE WITH THE CHIMNEY REMOVED.
WARNING: WHEN INSTALLING AN UNVENTED GAS LOG SET, THE MHSC MODEL CABL OR CABR 4″ ADJUSTABLE HOOD MUST BE USED.
Only unvented gas log sets which have been found to comply with the Standard for Unvented Room Heaters, ANSI Z21.11.2, are to be installed in this fireplace.MHSC reserves the right to make changes in design, materials, specifications, prices and discontinue colors and products at any time, with out notice.

| Item/Model Number| BR/BC36| BR/BC42
---|---|---|---
1.| Damper Blade Weld Assembly| RP199| RP199
2.| Damper Bracket| 3030176| 3030176
3.| Screen Rod (two per fireplace)| 26D0132| 61D0500
4.| Screen Mesh (two per fireplace)| 26D0131| 26D0131
5a.| Firebrick – Hearth| 3030103 or 20007494| 3032103 or 20007496
5b.| Firebrick – Rear| 3030102 or 20007495| 3032102 or 20007497
5c.| Firebrick – Rt. Side| 3030160 or 20007492| 3030160 or 20007492
5d.| Firebrick – Lt. Side| 3030104 or 20007493| 3030104 or 20007493
6.| Top Brick Retainers (three per fireplace)| 3030172| 3030172
7.| Cable Clips (four per fireplace)| 7512135| 7512135
8.| Hearth Pan Cover (BC Only)| 3031104| 3031104
9.| Outer Collar Assembly (SK8 Chimney)| 3030143| 3030143
10.| Nailing Flange – Bag of 4 w/screws| 2253160| 2253160
11.| Basket Grate| 3030129| 3030129
12.| O.S.A. Assy.| 20003076| 20003076

• When ordering replacement firebrick, check the serial number and plant code of the fireplace, located on the UL label inside the firebox. Serial numbers/plant code with an ‘H’ or ‘P’ require the firebrick listed first under the respective fireplace (grey brick).  Serial numbers/plant code with an ‘X’ require the firebrick listed second under the respective fireplace (white brick).

Accessories

The following accessories for this appliance are available from your local MHSC Fireplaces distributor. Should you need additional information beyond what your distributor can furnish, contact: MHSC, 149 Cleveland Drive, Paris, KY 40361, Attn: Technical Services.
CAUTION: This fireplace and chimney assembly is a highly engineered system, and, as such, must be operated only with MHSC approved components. If you use an unapproved component to make any modifications, you may create a possible fire hazard and will void the MHSC warranty. In addition, such action may void the coverage provided by the owner’s insurance.

(BR/BC36)
42GDKBB (BR/BC42)
Black finish| 36GDKBK (BR/BC36)
42GDKBK (BR/BC42)
Polished Brass finish| 36GDKDP (BR/BC36)
42GDKDP (BR/BC42)
Pewter finish| 36GDKS (BR/BC36)
42GDKS (BR/BC42)
Fan Kit| Provides forced air flow| FK12
Variable Speed Control| Provides speed adjustment of fans| SCVS
Outside Air Termination| Completes connection from air kit to out-of-doors| AK-MST
Hearth Extension Insulation| Provides hearth extension floor protection| EH2416
Grate for BR/BC36/42| Holds firewood in firebox| RBBG36
Hearth Patch Compound| Patch cracks in hearth| HPC-1
Chimney System Adapter Collar| Converts fireplace to a 3-wall chimney system| TWABR

Contact your MHSC Fireplaces distributor or dealer for finishing Marble and Mantels, available in a wide selection of styles.

Chimney Components

U.S.

0-6/12 pitch
8-12-12 with 8″ flue: 6/12-12/12 pitch
Square Termination – Housing| Top housing of simulated brick pattern available in red, tan or white. Appropriate adapter required. Flashing included.| S20B (R,T,W)
Msut include PLTSK8 or SLTSK8
Adapter Kit| Unites Square Termination with chimney pipe (required).| CF8CA
Housing Extensions| Extends Square Termination on steep pitched roofs.| 202036
Square Chase Termination| Housing used to terminate chimney through a chase top. Appropriate adapter required. (Flashing not included.)| CT100
Adapter Kit| Unites Square Chase Termination with chimney pipe (required).| CTSK
Chase Top Housing| Low profile pyramid-style chimney cap used to terminate chimney through a chase. Includes adapter. (Flashing not included.)| PTLSK8
Chase Top Housing| Square chimney cap used to terminate chimney through a chase. Terra Cotta Masonry. Includes adapter. (Flashing not included.)| SLTSK8
SK8 Chimney Sections| Pipe used to build 8″ (SK8) flue systems.| SK81 (1′ Long)
SK818 (1Z⁄₂’ Long) SK83 (3′ Long)
SK84 (4′ Long)
SK8 Chimney Elbows| Elbow used to create an offset in an 8″ chimney system. Only 30˚ elbows available. Packaged 2 per carton (offset and return).| SK830-2
Firestop| Required at each floor level of chimney installation. (Plus attic on multi-story installation.)| SKFS2A —
(8″ straight flue) SKFS6A —
(8″ 30° inclined flue)
Chimney Support| Used to support chimney for each of: 30′ vertical height and 6′ of angled chimney run.| SKCS8

(Chimney Components con’t.)
Canada

SK
Attic Insulation Shield| Used to prevent insulation from coming in contact with the chimney system.| AIS-SK
SK8 Chimney Sections| Used to build chimney systems exposed above roof.| SK818CAN (1Z⁄₂’ Long) SK84CAN (4′ Long)
45° Chimney Elbows| Provides 45° offset and return. For Canadian installations only. For use with SK8 chimney only. (Maximum use of 2, or 1 pair.)| SK845/2

LIMITED WARRANTY
Factory-Build Fireplace and Components (except Blowers)

What is Covered and For How Long
Five-Year Coverage: For five years from the date this fireplace and components are first purchased for use, MHSC will, at its option, repair or replace any defective part of this fireplace or components, or refund to you a sum not to exceed the factory retail price in effect at the time of purchase.
Ten-Year Coverage: From the sixth through the tenth year following the date this fireplace or accessory is first purchased for use, MHSC will make available to you, at our factory, a free replacement for any defective part in this fireplace or accessory.
Twenty-Five-Year Availability of Replacement Parts: From the eleventh through the twenty-fifth year following the date this fireplace or accessory is first purchased for use, MHSC will make available at our factory replacement parts for this fireplace or accessory, which you may purchase for the list price current at the time your purchase order is received.
What is Not Covered

• This limited warranty does not cover:
• Transportation or shipping cost.
• The cost of a service call to diagnose trouble.
• Painted surfaces.
• Damage or defect caused by improper installation, accident, misuse, abuse or alteration.
• Poor ventilation of smoke or gases caused by air-conditioning and heating systems, exhaust fans, or pressure differentials produced by wind.
• Broken glass components.
• Cracks in ceramic and castable parts that do not affect safe operation.
• We do not warrant this fireplace to be in compliance with your local building code. Building codes vary greatly throughout the country, and you should determine whether your local building code contains restrictions on the use of this fireplace before you purchase it.
• Blowers or fans, which are warranted separately.
• Heat loss due to the passage of heat or air through or around the fireplace.

Also, under our five year coverage, we do not pay the cost of removal and replacement of any portion of the structure in which the fireplace is situated, made necessary by the repair, removal or re-installation of the fireplace. And under our twenty-five year warranty of availability of replacement parts, we only promise to maintain a supply of replacement parts at our factory for you to purchase.
Limitations and exclusions

1. No one has authority to add to or vary this limited warranty, or to create for MHSC any other obligations of liability in connection with this fireplace and accessory.
2. MHSC shall not be liable for incidental, consequential, special or contingent damages you might suffer as a result of its breach of this written warranty or any implied warranty. Some states do not allow the exclusion of limitation of incidental or  consequential damages, so the above limitations may not apply to you.
3. This warranty applies only to a fireplace sold and used in the United States.

IF WARRANTY SERVICE IS NEEDED…

1. Contact your supplier. Make sure you have your warranty, your sales receipt and the model/serial number of your MHSC product.
2. DO NOT ATTEMPT TO DO ANY SERVICE WORK YOURSELF.

MHSC
149 Cleveland Drive
Paris, Kentucky 40361
www.mhsc.com

References

• Repair Your Grill: Shop Replacement Parts for 24,880 Models
• Majestic Fireplace Parts - Select From 585 Models

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