Lennox Hearth MP54-VDLPM Cold Climate Insulation, Installation Accessories, Mantel Clearances

Note: Combustible wall finish materials and/or surround materials must not be allowed to be placed in direct contact with the area defined by the appliance front face (black sheet metal). Never allow combustible materials to overlap the appliance front face. See Figure 44 on page 25. Combustible mantle materials may be placed in front of non-combustible facing materials, as shown in Figure 45.

Non-combustible materials, such as surrounds and other appliance trim, may be installed on the appliance front face with these exceptions: they must not cover any portion of the glass or hood; they may cover any portion of the top radiant panel or the air gaps surrounding the top radiant panel up to the installed hood.

Vertical installation clearances to combustible mantels vary according to the depth of the mantel. See Figure 45. Mantels constructed of non- combustible materials may be installed at any height above the appliance opening; however, do not allow anything to hang below the hood.

		MANTEL CLEARANCES
			Inches (mm)
				12 (305) MANTEL
				10 (254) MANTEL
				8 (203) MANTEL
18				6 (152) MANTEL
(457)
16				4 (102) MANTEL
(406)	14				TOP OF
	(356)	12		2 (51) MANTEL	APPLIANCE
		(305)	10
			(254)	8
				(203)
Figure 45

COLD CLIMATE INSULATION

Combustible materials may project beyond the sides of the fireplace opening as long as they are kept within the shaded areas illustrated in Figure 46.

Combustible Materials
Allowed In Shaded		Top View Of
Area “Safe Zone”
		Fireplace
12"
	45°	5"
17"
		Min. Distance
		8-1/4" To Protected
Side		Side Wall
Wall	Side
	Wall	Min. Distance To
14"
		Unprotected Side Wall

Figure 46

For cold climate installations, seal all cracks around your appliance with noncombustible material and wherever cold air could enter the room. It is especially important to insulate outside chase cavity between studs and under floor on which appliance rests, if floor is above ground level. Gas line holes and other openings should be caulked or stuffed with unfaced fiberglass insulation. In cold climates, if the fireplace is being installed on a cement slab, a sheet of plywood or other raised platform can be placed underneath to prevent conducting cold up into the room. It also helps to sheetrock inside surfaces and tape for maximum air tightness and caulk firestops.

INSTALLATION ACCESSORIES

Listed Secure Vent™Components

Cat.No.	Model No.	Description
**94L10	SV4.5HTSS	Horizontal Small Square
		Termination with
		Firestop/Spacer (96K80)
		and Adapter (74L61)
**98L27	SV4.5HTSSL	Horizontal Small Square-
		Long Termination with
		Firestop/Spacer (96K80)
		and Adapter (74L61)

**May be used with 30" and 35" models only.

Se

a

lant

Listed Secure Flex™Components

Cat.	Model	Description
No.	No.
10K81	SFMP	Mil Pac Black Hi-Temperature
		Sealant
89L40	SFMP-12	Mil Pac Black Hi-Temperature
		Sealant - Bulk Pack 12
91L66	SF-GC4-6	Gear Clamp 4.5in. (114 mm) for
		Flex (6 pieces)
91L67	SF-GC7-6	Gear Clamp 7.5 in. (190.5 mm)
		for Flex (6 pieces)
H2248	SF4.5HF	Firestop/Spacer - 10 Pack
		Horizontal (3-1-1 spacing)
H2249	SF4.5VF	Firestop/Spacer - 10 Pack
		Vertical (1-1-1 spacing)

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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.