www.desatech.com113111-01B 11WARNING: Do not allow anycombustible materials to over-lap the firebox front facing.IMPORTANT: Noncombustible materials such asbrick, tile, etc. may overlap the front facing, butshould never cover any necessary openings likelouvered slots.WARNING: Do not allow non-combustible materials to coverany necessary openings like lou-vered slots.WARNING: If pre-wiring, donot connect wiring to any elec-trical source at this time.Install fireplace electrical outletand connect wiring to outlet be-fore connecting to electricalsource. The fireplace electricaloutlet is included with theGA3450T blower accessory.Only use the fireplace electricaloutlet supplied with theGA3450T blower accessory.2. If installing GA3450T blower accessory, doso at this time. See Installing Blower Acces-sory GA3450T, page 13.Note: If not installing blower accessory, youmay wish to run electrical wiring to your fire-place for future blower installation (see Ac-cessories, page 30) Use only approved three-wire electrical wiring.Note: A qualified installer should make allelectrical connections.3. Install gas piping to fireplace location. Thisinstallation includes an approved flexible gasline (if allowed by local codes) after the equip-ment shutoff valve. The flexible gas line mustbe the last item installed on the gas piping.4. If you have not assembled firebox, follow in-structions on page 4.5. Carefully set fireplace in front of rough open-ing with back of fireplace inside wall opening.6. Attach flexible gas line to fireplace gas regu-lator. See Connecting to Gas Supply, page 16.7. Bend four nailing flanges on outer casing withpliers (see Figure 10).8. Attach fireplace to wall studs using nails orwood screws through holes in nailing flange.9. Check all gas connections for leaks. SeeChecking Gas Connections, page 18.10. If using optional trim kit, install the trim afterfinal finishing and/or painting of wall. See in-structions included with trim accessory for at-taching trim.IMPORTANT: When finishing your firebox, com-bustible materialsINSTALLATIONContinued36 5 /8 "257 /8 "51 3 /4 "26 7 /8 "Figure 9 - Rough Opening for Installingin Corner267/ 8"26 7/8"3/4" OffThe FloorMinimum10 1/2"Figure 8 - Rough Opening for Installingin WallFigure 10 - Attaching Fireplace to WallStudsNails orWoodScrewsNailingFlanges