Majestic SB4800 Installation, Operation And Maintenance Manual For Residential Installation Download

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53D9025

PRODUCT FEATURES

48”

52”

FP1875
SB4800 features
8/08

Figure 1
Residential Installation

Model LC
Chimney Cap

Roof Flashing
Model 612

(Flue Outlet Height)

Storm
Collar

15 ft. = Min. Height (No offsets)
15 ft. = Min. Height (2 30° Elbows)
21 ft. = Min. Height (4 30° Elbows)
86 ft. = Max. Height (Chimney support
every 25 ft.)

L12 (1 ft. pipe)
L18 (1

¹⁄₂

ft. pipe)

L36 (3 ft. pipe)
L48 (4 ft. pipe)
Maintain 2” Minimum Air Space Be-
tween Chimney and Combustibles

Fireplace Model
SB4800

Flexible Duct
Type FP-4-U

Combustion Air
Assembly

Nail to Framing Members

Galvanized Metal Strip

CAUTION:

Do Not Restrict Side Air Inlet Vents

with Surround or Trim Materials

(Floor Line)

Top Spacer

Firestop Model LF-FS-2
(Requires 17 x 17 framing)

Summary of Contents for SB4800

Page 1: ...d Room Heaters ANSI IAS AGA Z21 11 2 are to be installed in this ﬁreplace When an approved ANSI ISA AGA Z21 11 2 unvented room heater is installed in this ﬁreplace an H2853 canopy must also be installed WARNING DO NOT operate an unvented gas log set in this ﬁreplace with the chimney re moved Underwriter s Laboratories Inc This ﬁreplace is U L listed for use with the L Series Chimney System compone...

Page 2: ...11 Some codes may require the ﬁreplace and chimney be electrically grounded Before beginning the installation you should check with local building ofﬁcials to obtain required permits and assure compliance with local regulations and coded If you encounter problems with code requirements contact your dealer for assistance These Fireplace models are listed by Underwriters Laboratories Inc to U L 127 ...

Page 3: ...RNING Do not pack required air spaces with combustible material or insulation not speciﬁcally recommended for use in such areas Intended Product Usage The ﬁreplace is designed to sit directly on a combustible ﬂoor The ﬁreplace must be installed with clearances to com bustible building materials speciﬁed in this manual Only parts manufactured by MHSC and labeled for use with the ﬁre place should be...

Page 4: ...ling down to close the damper When the ﬁreplace is not in use the damper should be closed to pre vent cold air form entering the chimney as well as preventing warm air in the room from escaping up the chimney NOTE It is normal for a small amount of smoke to be released from the upper portion of the ﬁreplace the ﬁrst few times you use your new ﬁreplace This results from an oil residue on the metal ...

Page 5: ...ht 4 30 Elbows 86 ft Max Height Chimney support every 25 ft L12 1 ft pipe L18 1 ft pipe L36 3 ft pipe L48 4 ft pipe Maintain 2 Minimum Air Space Be tween Chimney and Combustibles Fireplace Model SB4800 Flexible Duct Type FP 4 U Combustion Air Assembly Nail to Framing Members Galvanized Metal Strip CAUTION Do Not Restrict Side Air Inlet Vents with Surround or Trim Materials Floor Line Top Spacer Fi...

Page 6: ...ims 8 08 Figure 2 70 11 11 17 17 35 35 47 47 SCALE 1 2 1 0 SCALE 1 4 1 0 L36 70 Linear Gain 52 52 Linear Gain 34 34 Linear Gain L36 L36 L18 L18 L36 L48 L12 L18 L18 47 47 L48 20 5 Linear Gain 20 5 35 35 L36 70 L36 L36 70 Linear Gain 52 52 Linear Gain 34 34 Linear Gain L36 L36 L18 L18 L18 11 11 L12 17 17 L18 Front Right Side Gas Line Opening Outside Air Opening ...

Page 7: ...27 46 6 3 L 21 30 8 1 L 12 25 2 1 L 9 16 0 3 E L w o b l E 4 6 3 L 6 3 L 6 3 L 8 1 L 8 4 L 6 3 L 8 1 L 2 1 L 0 3 E L w o b l E SCALE 1 2 1 0 SCALE 1 4 1 0 NOTE Dimensions May Vary Slightly De to Manufacturing Tolerances 46 21 39 30 27 76 61 56 12 9 4 30 25 16 FP1877 elbows dims 8 08 ...

Page 8: ... suggested ﬁreplace locations When selecting a loca tion choose one that is away from frequently opened doors central heat outlets or returns or other places where air movements may disturb the airﬂow around the ﬁreplace Air turbulence near the ﬁreplace may cause smoke to spill out of the ﬁreplace opening CAUTION Do not install ﬁreplace over carpeting 60 Minimum 1 9 M i n 4 7 8 5 M i n i m u m 1 9...

Page 9: ...17 square combustible material free space for the chimney to pass through If the chimney is to pass through living or storage spaces be sure there is adequate space to enclose the chimney to avoid personal contact with or damage to the chimney If the ﬁreplace is to be installed on an outside wall the surrounding walls chase should be constructed and insulated as shown by Figure 5 Failure to insula...

Page 10: ...t See Table 1 for Roof Open ing Size 3 ft Min FP1883 multistory install Figure 8 Multiple Story Installation Model LC Chimney Cap Storm Collar Included with cap Flashing 612 or 1212 See Table 1 for Roof Opening Size Attic Space Firestop Spac er LF FS 2 2 Air Space Clearance to Combustibles 2 Clearance to Combustibles Min 17 Square Opening in Joist Max Installation Height 86 ft Chimney Third Floor ...

Page 11: ...ve strength to support the weight of the covering materials and persons standing on it and insulating qualities equal to or better than the 1 2 covering provided by the H2068 Alternate brick or stone hearth extension for use with the SB4800 ﬁreplace when placed over a combustible ﬂoor without insulation board protection Figure 9 12 Min SB4800 Fireplace Hearth Brick or Stone Hearth Extension 62 Lon...

Page 12: ...rated 12 Min 12 Min 20 Min FP1887 hearth extension 8 08 Figure 12 Top of Raised Hearth Floor Line with Raised Hearth Hearth Extension Metal Safety Strip With either type hearth extension minor shifting of the supporting ﬂoor or expansion and contraction may eventually cause a crack to develop between the hearth extension and the face of the ﬁreplace To help prevent the crack from developing the he...

Page 13: ...a outer pipe L12 1 foot chimney section 11 inch diameter ﬂue 13 dia outer pipe LE30 One pair of 30 degree elbows Maximum two pairs 4 elbows per chimney LCS Chimney support required when chimney height exceeds 30 feet LC Round chimney cap for contemporary installation Includes storm collar LCL Round telescoping chimney cap For use with ﬂat chase top terminations 612 0 6 12 pitch ﬂashing for contemp...

Page 14: ...grounding the ﬁreplace and chimney Chimney Installation In order to assure safe and satisfactory performance of the ﬁreplace it is very important to properly install the chimney This is an important part of the installation and the sections of this manual pertaining to chimney installation should be reviewed very thoroughly For your safety some of the important things to remember in regard to chim...

Page 15: ... joists or headers on all four sides of the spacer and use a minimum of four 8 penney nails to secure the spacer 3 To install the L series chimney sections insert the male end of the ﬂue the smallest diameter pipe into the ﬂue outlet of the ﬁreplace and press down until the snap locks engage Continue the process adding the chimney sections on top of each other until the chimney is at least six inc...

Page 16: ...17 x 18 3 4 7 12 17 x 19 3 8 8 12 17 x 20 9 12 17 x 20 5 8 10 12 17 x 21 3 8 11 12 17 x 22 1 4 12 12 17 x 23 Figure 16 Outer Pipe Flue Support Straps Fasten Securely Firestop Chimney Support Snap Lock Chimney Support Securely to Lower pipes Before Fastening Support Straps Figure 17 Firestop Spacer Installation at Attic Level Inlet Air Pipe Ceiling Joist Flue Pipe Firestop Spacer Chimney Section He...

Page 17: ...ength of the inclined portion of chimney between elbows must not exceed 6 feet when unsup ported or 20 feet if the chimney is supported at six foot intervals with support such as metal sup port straps 6 When enclosing the elbows and inclined portions of the chimney enclosing materials must be installed vertically to maintain the required two inch minimum air space clearance to the chimney at the e...

Page 18: ...ust Be Enclosed in Accessible Areas Firestop Spacer Diagonal Chimney Enclosure RISE Firestop Spacer 2 Air Space Clearance to Combustibles NOTE Four 4 elbows may be used when toatl installation height exceeds 24 ft Maximum four 4 elbows Per Fireplace Offset Max 10 Support Straps Diagonal Chimney Enclosure Vertical Chimney Enclosure Recommended Diagonal Chimney Enclosure Acceptable Fasten All Suppor...

Page 19: ...ce and slide the ﬂashing over the chimney Adjust the chimney to assure that the proper minimum clearances are maintained 5 Nail the ﬂashing securely in place with eight nails 6 Seal the crack between the top of the ﬂashing and the chimney with mastic Leave some excess mastic at this area to be used in step eight NOTE Use pliers and wear gloves when performing step seven to minimize the danger of c...

Page 20: ... 0 15 36 1 1 1 0 0 18 41 1 0 0 1 0 22 47 1 2 1 0 0 24 50 1 0 0 0 1 28 57 1 0 1 1 0 30 62 1 1 0 0 1 33 67 1 0 1 0 1 36 72 1 0 0 2 0 39 77 1 1 1 0 1 42 82 1 0 0 1 1 45 88 1 0 1 2 0 48 92 1 0 0 0 2 51 98 1 0 1 1 1 54 102 1 0 0 3 0 57 107 1 0 1 0 2 60 113 1 0 0 2 1 63 118 1 0 1 3 0 65 122 1 0 0 1 2 69 128 1 0 1 2 1 71 133 1 0 0 0 3 75 139 1 0 1 1 2 77 143 1 0 0 3 1 80 148 1 0 1 0 3 83 154 1 0 0 2 2 86...

Page 21: ...hould be at least 24 inches apart to help prevent smoke from a ﬁreplace in use from being drawn down the chimney of a ﬁreplace that is not in use Additional spac ing between caps or staggering the height of the caps will further lessen the likelihood of this occurring 6 Place LCL cap assembly into position by aligning the ﬂue telescope into the last section of ﬂue pipe and lower it down until the ...

Page 22: ...tarting collar to left side of ﬁre place with four 4 sheet metal screws provided NOTE The starting collar extends through the outer ﬁreplace jacket and will seal against the ﬁrebox wall when secured as indicated Step 2 Secure outside duct to starting collar with duct clamp or screws Fireplace Outer Wrap AK4 Combustion Air Kit Shortest Toward Firebox AK4 Mounting Plate Firebox Insulation Seal Secon...

Page 23: ...rea where combustible fumes such as gasoline might be drawn into the ﬁreplace 4 Combustion air can be drawn form the crawl space under a house when an adequate supply of air is provided by open ventilation 5 Do not take combustion air from attic space or garage space Figure 22 Screw Nail Holes Screws AK4 Inlet Air Vent Duct Extending 3 min 6 Diameter Hole Outside Air Control Lever Lift to Open Pul...

Page 24: ...ond the face of the wall to which the AK 4 inlet air vent will be attached The duct may be cut with a standard pocket knife use FP 4 U duct for maximum efﬁciency and safety Do not use a combustible duct Always use UL Listed Class 0 or 1 duct material 5 If the duct is the insulated type push the insulation back from one end of the duct approxi mately two inches 6 Slip the exposed end of the duct ov...

Page 25: ... ANSI IAS AGA Z21 11 2 unvented room heater is installed in this ﬁreplace a H2853 CANOPY must also be installed WARNING Do not operate an unvented gas log set in this ﬁreplace with the chimney removed The installer of the ﬁreplace and gas appliance must describe the operation of the ﬁreplace and appliance to the people who will be operating them and leave all instruction manuals with the op erator...

Page 26: ... To The Fireplace Do not allow the trim materials to extend closer than 3 8 inch to the vertical edges of the ﬁrebox opening if you plan to equip the ﬁreplace with glass doors The face of your ﬁreplace may be left exposed or trimmed with any noncombustible material such as brick stone or marble If a trim is installed be sure it is fastened snugly to the face of the ﬁreplace A crack between the mat...

Page 27: ...se a pos sible ﬁre hazard and will void the MHSC warranty 12 Max M1002 Mantel install 8 08 Figure 24A Mantel Installation Combustible Framing Members to Top of Spacers Combustible Mantel Top Edge of Fireplace 18 Min From Fireplace Opening to Bottom of Combustible Mantel Manufacturuer Recommendation Top Edge of Fireplace Opening Figure 25 Combustible Surround Placement Combustible Surround Materi a...

Page 28: ...more expensive but a little combined with other wood goes a long way Start your ﬁre with a mixture of softwood and hardwood then add some fruit or nut wood for nostalgic aroma Since most woods will not burn well when freshly cut the wood you purchase should be reasonably dry The sizes you buy are dictated by the size of your ﬁreplace Purchase logs that will ﬁt when laid across your grate and ask t...

Page 29: ...pruce 41 44 59 Birch 55 64 79 86 Redwood 33 40 47 54 Apple 58 62 83 84 White Pine 35 37 50 A Few Words Of Caution Beware of burning certain material in your ﬁreplace Among these are plastics poison ivy twigs and stems and chemically treated woods such as discarded poles and railroad ties These not only cre ate air pollution but can induce extreme irritation for some individuals Use hemlock spruce ...

Page 30: ...son to determine if a creosote buildup has occurred If creosote has accumulated it should be removed to reduce the risk of a chimney ﬁre The chimney cap can be removed for inspection maintenance and cleaning by removing three screws from the support legs and lifting upward When the ﬁreplace is ﬁrst in use inspect the chimney frequently and clean the chimney any time an accumulation is observed on ...

Page 31: ...ribed material and parts for the installation of the ﬁreplace 3 Do insulate the exterior walls surrounding the ﬁreplace to prevent excessive heat loss from the ﬁreplace 4 Do trim the face of the ﬁreplace only with noncombustible materials 5 Do attach the noncombustible face trim material ﬁrmly to the face of the ﬁreplace 6 Do block in or fasten the ﬁreplace to prevent the possibility of the ﬁrepla...

Page 32: ...Don t dry clothing or other articles near the ﬁreplace 15 Don t store or place ﬂammable liquids gases or pressurized containers near the ﬁreplace 16 Don t neglect to instruct all responsible persons in the proper and safe operation of the ﬁreplace 17 Don t fail to instruct all persons especially children and elderly persons concerning the hazards of improper operation and unauthorized tampering wi...

Page 33: ...echnical Service Department MHSC 149 Cleveland Drive Paris KY 40361 www mhsc com 1 2 3 4 not shown 5 6 7 8 9 10 9025 SB4800 parts 8 08 Figure 26 SB4800 Key No Part Name Noun ﬁrst Qty Part No 1 Weldment Damper Weight 1 053127 2 Handle Damper 1 037391 3 Firebrick Back Assy 1 052857 4 Firebrick Rt Side Assy 1 050447 5 Hearth Refractory 1 052779 6 Grate Painted Assy 1 052874 7 Panel Firescreen w ull 2...

Page 34: ...chnical Service Department MHSC 149 Cleveland Drive Paris KY 40361 www mhsc com 1 2 3 4 not shown 5 6 7 8 9 10 9025 SB4800HB parts 8 08 Figure 27 SB4800HB Key No Part Name Noun ﬁrst Qty Part No 1 Weldment Damper Weight 1 053127 2 Handle Damper 1 037391 3 Firebrick Back Assy 1 067516 4 Firebrick Rt Side Assy 1 n a 5 Hearth Refractory 1 070034 6 Grate Painted Assy 1 052874 7 Panel Firescreen w ull 2...

Page 35: ...53D9025 35 NOTES ...

Page 36: ...36 53D9025 NOTES ...

Page 37: ...53D9025 37 NOTES ...

Page 38: ...ing 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 inst...

Page 39: ...53D9025 39 ATTENTION APPLIANCE INSTALLER PLEASE RETURN THESE OPERATING AND INSTALLATION INSTRUCTIONS TO THE APPLIANCE FOR CONSUMER USE ...

Page 40: ...AUGUST 2008 53D9025 Rev 3 MHSC 149 Cleveland Drive Paris Kentucky 40361 www mhsc com ...

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