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M400BFC
Balanced Flue (Closed Combustion)
Heat-Circulating Fireplace
Homeowner’s Installation and
Operating Manual
647
BFC cover
8/18/00 djt
For use in the U.S. / Canada
Underwriter’s Laboratories
Report No. MH7603
DO NOT DISCARD THIS MANUAL: Retain for future use.
87D1505 12/09 Rev. 3
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M400BFC Balanced Flue Heat-Circulating Fireplace Table of Contents Safety Information ......................................................................................3 Specifications and Framing .......................................................................4 Parts Identification ....................................................................................6 Chimney Requirements ............................................................................7 Planning Inf
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M400BFC Balanced Flue Heat-Circulating Fireplace 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 instruc- tions may result in a possible fire hazard and will void the warranty. Any such action may possibly cause a fire hazard. Description Consult local building codes to ensure that you are in The M400BFC fireplace is a solid fuel, woodburning complian
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M400BFC Balanced Flue Heat-Circulating Fireplace M400BFC Balanced Flue Heat-Circulating Fireplace " Rough (624mm) " Opening 13 " Dia. (197mm) Depth (343mm) 51 " (1297mm) 11" Dia. " " (13mm) (179mm) (610mm) 8" Dia. 23" (203mm) " Recessed (584mm) (16mm)Nailing Flange Rough Opening Width 43" (1092mm) Rough Opening " (179mm) Height " " (902mm) 32 " (829mm) Gas Line 35" Gas Line 39 " Access " (889mm) Access 36" (997mm) (533mm) (914mm) " " " (914mm) " (176mm) (246mm)
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M400BFC Balanced Flue Heat-Circulating Fireplace Termination Cap Storm Collar Pan Flashing Batt Insulation (Cut out around firestop) Draftstop Firestop Ceiling Level Standoff Trim Ledge Standoff Surround Glass Door Gas Line Ac- cess Hole (Each Side) Romex Pigtail Gas Line Access Knock- out (Each Side) Air Inlet Basket Grate Bottom Grille Top Grille and Air Outlet Metal Safety Strip(s) Shown not inplace (1,2 or 3 pieces) Nailing Flange FP554c Fig. 2 Fireplace and chase parts identification. FP
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M400BFC Balanced Flue Heat-Circulating Fireplace Chimney Requirements - Offset Installations Offset CHIMNEY FLUE EXIT Rise Chimney Section IWF282 30° Elbow FP282 30˚ Elbow Offsets Return Elbow MBUF B G A 5/26/96 1’ 1 ¹⁄₂' 3’ 4’ Offset Rise G 30° 0 0 0 0 0 3” 11” Offset 1 0 0 0 0 8 Z\v" 20" D Elbow 0 1 0 0 0 11 Z\v" 25 Z\v" E Rise 2 0 0 0 0 13 Z\x" 29 Z\v" 6 FT. TCS8A 1 1 0 0 0 16 Z\x" 34 Z\v" 30° C Support 0 0 1 0 0 20 Z\v" 40 C\v" Return H Elbow 2 1
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M400BFC Balanced Flue Heat-Circulating Fireplace Planning Information Preplanning an installation is very important to ensure The Ten Foot Rule safety and to save time and money. An installer must Major U.S. building codes specify a minimum chimney predetermine where a fireplace will be set and how the height above the roof top. The “Ten Foot Rule” is a fire chimney system will be run. safety rule and not a draft rule. To ensure proper draft, it is recommended that you always meet or exc
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M400BFC Balanced Flue Heat-Circulating Fireplace Chimney Supports Installation 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 Insulating Fireplace Enclosure height exceeds 30’ (9 m). Locate chimney supports for Cold Climates at ceiling holes or other structural framing at 30’ (9 m) heights. Spacing between chimney supports must If you live in a cold climate, it is not require
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M400BFC Balanced Flue Heat-Circulating Fireplace NOTE: Check local building codes to determine if junction box is required at the romex pigtail/house wire connection Also check junction box and speed control (SCVS) installation instructions. Hard Flat Surface The Model FKSX-A blower assembly is preinstalled in the M400BFC. Fireplace Electrical Coverplate Romex Pigtail (Provided) Wire Nuts (Not pro- vided) Insulation Black Ground Platform White House Wiring FPC555a (120V 60Hz) FP1062 Fig
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M400BFC Balanced Flue Heat-Circulating Fireplace Ceiling Chimney Hole/ Chimney Centerline Possible Obstructions Actual Center- The size of the hole in ceiling will vary with the angle at point which the chimney passes through ceiling. Drive a nail up through ceiling at marked chimney cen- 8 " (222mm) ter 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 necessar
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M400BFC Balanced Flue Heat-Circulating Fireplace 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 1 Z\x” (38 mm), allowing the remainder to extend in front of firebox. Overlap strips at least 1/2” (13 mm) to provide a posi- tive joint. (Flat safety strips are packed with fireplace.) Metal Safety Strips (Fig. 12) (1,2 or 3 pcs.) Safety strips are used to ens
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M400BFC Balanced Flue Heat-Circulating Fireplace Installing the Pipe Section Chimney System Pipe Start by attaching the first chimney section to the collar Rim on top of the fireplace. Hem Lance Install the pipe as pictured in Figure 14. When you Pipe get a good lock, you will hear the pipe clearly snap Hem 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 mo
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M400BFC Balanced Flue Heat-Circulating Fireplace Firestop spacers are not available for, nor are they A chimney support is 2 Z\x" (64 mm) long when installed. required on vertical walls. Consider this dimension when determining how many straight chimney sections are needed. DO NOT put any sealant around the area where the outer pipe slides through the firestop spacer. If you NOTE: Chimney supports are generally used in long seal this area, it may cause a fire hazard. runs in a chase inst
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M400BFC Balanced Flue Heat-Circulating Fireplace Check the chimney top installation instructions for details on how high above the roof top the chimney sec- Air Space Clearances tions (all pipes) should extend. Combustible framing material MUST NOT penetrate AIR SPACE (shaded areas). Installing Top Housing or Termination Follow the installation instructions provided with the MHSC chimney termination you have selected. 2” Installing Chimney in a Chase Standoff Refer to Page 4, Figure 2 for a
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M400BFC Balanced Flue Heat-Circulating Fireplace Combustible 12" Mantel Shelf (305mm) and Trim Max. Finished Wall 1 Z\x" Stud (38mm) 12" (305mm) Standoff Min. 6" Noncombustible Material (159mm) Min. Circulating Front Fireplace Opening Side View Z\x" 2 x 4 Stud Finished Wall Must be sealed with noncom- Fireplace bustible material Front FP531b Fig. 19 Mantel clearance. FP531b Face Plate mantel clearances 9/03 djt * C 1 Z\x" * * Ref. B Combustible materials are permitted within a shaded ar
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M400BFC Balanced Flue Heat-Circulating Fireplace Side Wall Protection Hearth Installation Adjacent combustible side walls that are within mini- A hearth extension is required to protect a combustible mum dimensions shown in Figure 24 of the fireplace floor in front of the fireplace. Refer to Figure 21 for mini- opening must be protected with MHSC Wall Shield mum dimensions and mounting detail. Model SP40 or a specifically built wall shield described Note: Hearth Extension must not cover th
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M400BFC Balanced Flue Heat-Circulating Fireplace WARNING: Hearth extension must be installed in Side View Wall Covering accordance with Figure 23 and must not cover the bottom front opening of the circulating model. Noncombustible Alternate noncombustible materials may be used pro- 2 x 4” Header Decorative Fac- - Do not notch at viding the (total) thermal resistance (Rt value) of the al- ing standoffs ternate material employed is greater than or equal to R = 1.09 Thermal resistance (R) o
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M400BFC Balanced Flue Heat-Circulating Fireplace Operation Hole in Outer Casing Fireplace Top View Before the first fire, the location of the upper refractory baffle (ceiling panel) should be checked. This part floats 1" intentionally and may move out of place during ship- Min. Supply Gas Line ping or installation of the fireplace. If the baffle is out Line Tube of place, the resulting improper air flow will cause dirty Ceramic Repack Insu- glass and improper combustion. The baffle should
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M400BFC Balanced Flue Heat-Circulating Fireplace 4 3 1 5 2 6 8 10 15 9 16 14 7 12 11 13 18 29 17 27 26 28 21 19 23 20 22 25 24 23 MHSC reserves the right to make changes in design, materials, specifications, prices and discontinue colors and products at any time, without notice. M400BFC Balanced Flue Fireplace 647 BFC parts 2008 Ref. Description M400BFC 2/08 djt 1. Top Grille - Painted 3126160 2. Bottom Grille - Painted 3126160 3. Grate Assembly 7579218 4. Left Door Assembly Complete 300
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M400BFC Balanced Flue Heat-Circulating Fireplace M400BFC Balanced Flue Fireplace (continued) Ref. Description M400BFC 17. Blower Assembly - FKSX-A 20000620 18. Grate Retainer 2353179 19. Junction Box Assembly 3126161 20. Ceramic Glass Panel (two per fireplace) 30004352 21. Flat Gasket 3/4” Wide (two per fireplace) 20013997 22. Knob (two per fireplace) 1600657 23. Bushing (four per fireplace) 1201895 24. Pan Hd, PH 1/4-20 x 1 Black (two per fireplace) 1200907 25. Spacer (two per firepl
