Desa LHN) (V)L36(EN, LZPR), LHP) (V)L36(EP Continued, Rough Opening for Installing in Wall

INSTALLATION

Continued

1.Frame in rough opening. The firebox fram- ing should be constructed of 2 x 4 lumber or heavier. Use dimensions in Table 1 and rough opening layout in Figure 7a. Adjust framing so that firebox flushes with finished wall surface. If installing in a corner, use dimensions in Figures 7b, 7c and 7d for rough opening.

2.Install gas piping to firebox location (see Connecting to Gas Supply, page 16.) IM- PORTANT: If installing blower accessory (circulating models with louvers only), see Hard-Wiring Firebox, page 15.

3.Carefully set firebox in front of rough open- ing with back of firebox inside wall opening. IMPORTANT: If installing a perimeter trim kit, see instructions included with trim accessory.You must install shoulder screws from trim kit now.

4.Carefully insert firebox into rough opening.

5.Attach firebox to wall studs using nails or wood screws through holes in nailing flange (see Figure 8).

6.If using an optional perimeter trim kit, install the trim after final finishing and/or painting of wall. See instructions included with trim accessory for attaching trim.

7.Install and properly test gas log heater. Follow installation instructions included with the vent- free gas log heater that is being installed.

IMPORTANT:When finishing your firebox, combus- tible materials such as wall board, gypsum board, sheet rock, drywall, plywood, etc. may be butted up next to the sides and top of the firebox. Combustible materials should never overlap the firebox front facing.

WARNING: Do not allow any combustiblematerialstooverlap the firebox front facing.

IMPORTANT: Noncombustible materials such as brick, tile, etc. may overlap the front facing, but should never cover any necessary openings like louvered slots.

Table 1

Rough Opening Dimensions for

Built-in Installation

	Front Width		Depth
Model	(Inside to Inside)	Height	(Min.)
32"	34 7/8"	36 3/4"	16 1/4"
36"	41 1/2"	40 1/2"	20 3/4"
42"	48 5/8"	44 1/2"	22 5/8"

WARNING: Do not allow noncombustible materials to cover any necessary openings like louvered slots.

WARNING: Use only non- combustible mortar or adhe- sives when overlapping the front facing with noncombustible facing material.

			Depth	Figure 7a
			(Minimum)
	Height
			Width
			(InsidetoInside)
				FOR 32"
			"	MODELS
		16
		7/
30"	42			Figure 7b
			347/8"
			60"
			TOP VIEW
				FOR 36"
			"	MODELS
		/32
		11
37"	2
	5			Figure 7c
			411/2"
			74"
			TOP VIEW
				FOR 42"
			"	MODELS
			6
		/1
		13
43"	0
	6			Figure 7d

485/8"

86"

TOP VIEW

Figure 7 - Rough Opening for Installing

in Wall

Nails or Wood

Screws

Nailing

Flanges

Figure 8 - Attaching Firebox to Wall Studs

115254-01A www.desatech.com 11