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If your heater is a manually controlled model, 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 26). This will insure vented operation (see Figure 11). 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. Chimney Minimum Permanent Height (ft.) Flue Opening (sq. ins.) 6' to 15' 39 sq. inches 15' to 30' 29 sq. inches Area of Various Standard Round Flues Diameter (ins.) Area (sq. ins.) 5" 6" 7" 8" 20 sq. inches 29 sq. inches 39 sq. inches 51 sq. inches Damper Damper Clamp Damper Damper Clamp Damper 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 the burner. This could damage heater. Only handle base assembly by grates. IMPORTANT:Make sure the heater burners are level. If heater is not level, heater will not work properly. For thermostat models, avoid damage to thermostat bulb. Avoid nicks or sharp bends in thermostat bulb wire. Keep thermostat bulb in mounting bracket until ready to mount base to floor. See Optional Positioning Of Thermostat Sensing Bulb, page 25. Installation Items Needed • hardware package (provided with heater) • approved flexible gas hose (not provided) (if allowed by local codes) • sealant resistant to propane (propane/LP) gas, not provided • electric drill with 3/16" drill bit • flathead screwdriver 1. Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator. Connect approved flexible gas hose to gas regulator of heater (see Figure 12). IMPORTANT: Hold gas regulator with wrench when connecting flexible gas hose. 2. Locate masonry screws in hardware package. 3. Position heater base assembly in fireplace. 4. Place logs in their proper position on heater base, see Installing Logs on pages 13 through 17. 5. Center heater base and logs front-to-back and side-to-side in fireplace. 6. Carefully remove logs without moving heater base. Masonry Fireplace Manufactured Fireplace Figure 11 - Attaching Damper Clamp For more information, visit more information, visit 111160-01B 111160-01B Forr morre iinfforrmattiion,, viisiitt 1111 WARNING: This appliance requires a 1/2" NPT (National Pipe Thread) inlet connection to the pressure regulator. WARNING: A qualified service person must connect heater to gas supply. Follow all local codes. CAUTION: Never connect heater directly to the propane/LP supply. This heater requires an external regulator (not supplied). Install the external regulator between the heater and propane/LP supply. WARNING: Never connect natural gas fireplace to private (non-utility) gas wells. This gas is commonly known as wellhead gas. Figure 12 - Attaching Flexible Gas Hose to Heater Gas Regulator INSTALLATION Continued 7. Mark screw locations through holes in mounting brackets (see Figure 13 and 14). If installing in a brick-bottom fireplace, mark screw locations in mortar joint of bricks. 8. Remove heater base from fireplace. 9. Drill holes at marked locations using 3/16" drill bit. 10. Attach base assembly to fireplace floor using two masonry screws (in hardware package) (see Figure 13 or 14). Figure 13 - Attaching Base Assembly to Fireplace Floor - Dual Burner Model Figure 14 - Attaching Base Assembly to Fireplace Floor - Single Burner Model Heater Gas Regulator Flexible Gas Hose (if allowed by local codes) Fitting Masonry Screw Mounting Bracket INSTALLATION Installing Heater Base Assembly (Cont.) Connecting to Gas Supply Masonry Screw Mounting Bracket CONNECTING TO GAS SUPPLY Installation Items Needed Before installing heater, make sure you have the items listed below. • external regulator (supplied by installer) • piping (check local codes) • sealant (resistant to propane/LP gas) • equipment shutoff valve * • test gauge connection * • sedime...

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