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If you do not meet the clearances listed below, you will need a hood. Determining Minimum Mantel Clearances If you meet minimum clearance between mantel shelf and top of fireplace opening, a hood is not required (see Figure 6). Determining Minimum Mantel Clearances When Using a Hood If minimum clearances in Figure 6 are not met, you must have a hood. When using a hood there are still certain minimum mantel clearances required. Follow minimum clearances shown in Figure 7, page 11, when using hood. NOTICE: Surface temperatures of adjacent walls and mantels become hot during operation. Walls and mantels above the firebox may become hot to the touch. If installed properly, these temperatures meet the requirements of the national product standard. Follow all minimum clearances shown in this manual. Figure 6 - Minimum Mantel Clearances Without Using Hood Minimum Noncombustible Material Minimum Noncombustible Material Height Distances to Underside of Mantel Top of Fireplace Opening Underside of Mantel Shelf Mantel Shelf 12" 8" (A) 18" 8" 20" 14" 22" 17" 24" 20" All minimum distances are in inches LogSet 24"/30" Models 18" Model 2 1/2" 6" 8" 10" 111161-01D INSTALLATION Continued NOTICE: If your installation does not meet the minimum clearances shown, you must do one of the following: • operate the logs only with the flue damper open • raise the mantel to an acceptable height • remove the mantel. Mantel Shelf Minimum Noncombustible Material 8" Min. 12" 15" 18" All minimum distances are in inches LogSet 20" 2 1/2" 6" 8" 10" 12" Distances to Underside of Mantel Hood (GA6050, GA6052) Top of Fireplace Opening Underside of Mantel Shelf Figure 7 - Minimum Mantel Clearances When Using Hood All Models FLOOR CLEARANCES A. If installing appliance on the floor level, you must maintain the minimum distance of 14" to combustibles (see Figure 8). B. If combustible materials are less than 14" to the fireplace, you must install appliance at least 5" above the combustible flooring (see Figure 9). Hearth 5" Min. Combustible Material Figure 9 - Minimum Fireplace Clearances Above Combustible Flooring INSTALLING DAMPER CLAMP ACCESSORY FOR VENTED OPERATION Note: When used as a vented heater, appliance must be installed only in a solid-fuel burning fireplace with a working flue and constructed of noncombustible material. If you choose to use your heater as a manually- controlled model (no remote control installed), you may use this heater as a vented product. There are three reasons for operating your heater in the vented mode. 1. The fireplace does not meet the clearance to combustibles requirements for vent-free operation. 2. State or local codes do not permit vent-free operation. 3. You prefer vented operation. If reasons number 1 or 2 above apply to you, you must permanently open chimney flue damper. You must install the damper clamp accessory (to order, see Accessories, page 34). This will insure vented operation (see Figure 10, page 12). The damper clamp will keep damper open. Installation instructions are included with clamp accessory. See chart below for minimum permanent flue opening you must provide. Attach damper clamp so the minimum permanent flue opening will be maintained at all times. 14" Min. Combustible Material Noncombustible Material Figure 8 - Minimum Fireplace Clearances If Installed at Floor Level Chimney Height (ft.) Minimum Permanent Flue Opening (sq. in.) 6' to 15' 15' to 30' 39 sq. inches 29 sq. inches Area of Various Standard Round Flues Diameter (inches) Area (sq. inches) 5 6 7 8 20 29 39 51 111161-01D INSTALLATION Continued Damper Damper Clamp Damper Manufactured FireplaceMasonry Fireplace Damper Clamp Damper Figure 10 - Attaching Damper Clamp INSTALLING HEATER BASE ASSEMBLY CAUTION: Do not remove the data plates attached to the heater base assembly. The data plates contain important warranty and safety information. WARNING: You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak. WARNING: If installing in a sunken fireplace, special care is needed. You must raise the fireplace floor to allow access to heater control panel. This will insure adequate air flow and guard against sooting and controls being damaged. Raise fireplace floor with noncombustible material. Make sure material is secure. CAUTION: Do not pick up heater base assembly by burners. This could damage heater. Only handle base assembly by grates. Installation Items Needed • hardware package (provided with heater) • approved flexible gas hose (not provided) (if allowed by local codes) • sealant resistant to propane/LP gas, not provided • electric drill with 3/16" masonry drill bit Note: Install optional remote receiver and handheld remote kit (see Accessories, page 34) before installing gas log heater. See installation instructions included with the kit. 1. Apply pipe joint sealant lightly to male threads of the fitting to be threaded int...

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