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Example 3:Shows a single offset at 45° degrees of inclination and therefore the lateral length at 10 feet of offset does not have to meet the 75% percent rule. In each case the offsets must be supported and firestops must be positioned wherever the vent must pass through a sub-floor, ceiling joist or an attic overhang. The vent pipe must terminate vertically into a listed type vent cap and extend a sufficient height through an approved roof flashing, roof jack or a roof thimble. At all points the listed clearances must be maintained. Listed Listed Vent Cap Vent Cap Maintain Listed Clearance 12' Min. 12' Min. 45° 45° 45° Position Firestop Maintain Listed Clearance Maintain Listed Clearance Maintain Listed Clearance 10' EXAMPLE 1 EXAMPLE 2 EXAMPLE 3 Figure 9 - Typical B-Vent Configuration For more information, visit more information, visit 108660 99 Forr morre iinfforrmattiion,, viisiitt CHECKING FOR PROPER VENTING After completing and checking the electrical, gas and vent connections, follow the lighting instructions and allow the main burner to run for approximately 5 minutes. Hold a lighted match or cigarette near the top edge of the fireplace opening and play it along the entire length of the opening (see Figure 11). Proper venting should tend to draw the flame or smoke into the appliance. Improper venting or escaping of spillage of burned gas, is indicated when the match flickers or goes out. Smoke from a cigarette will also tend to disperse away from the appliance. If the appliance is found to be improperly venting, shut it off and notify your installer or a qualified service agency to inspect the venting system. WARNING: This appliance must be properly connected to a system and must not be connected to a chimney flue servicing a separate solid fuel burning appliance. NOTICE: This appliance is equipped with a vent safety shutoff switch which will shut down the appliance in the case of a venting problem. Do not bypass the vent safety switch. If the appliance should shut down, contact a qualified installer, service agency, or your gas supplier to have the vent inspected before operating. Vent terminations must be located in accordance with height and proximity rules of NFPA No. 54 or CAN/CSA B149. These rules apply to vents at 12 in. diameter or less and require a minimum height in accordance with the roof pitch and a minimum of 8 ft. distance from a vertical wall or obstruction (see Figure 11). If venting horizontally through a side wall becomes necessary, a listed thimble approved for use with B-type vent must be used. Check with your local codes before venting through a side wall. Some codes areas allow the use of existing B-type vent systems if the system is at or above the recommended diameter of the flue. The flue connection must be made using listed B-type connectors and the existing system must be code inspected for damage and proper installation. It is not recommended that this appliance be common vented with an existing gas burning appliance. However, if it becomes necessary to common vent this appliance, the venting system must be sized and configured in accordance with the common venting guides Appendix G of the current National Fuel Gas Code NFPA No. 54/ ANSI Z223.1 and in Canada with CAN/CSA B149. VENTING INSTALLATION Continued Lowest Discharge Opening Listed Vent Cap 8 Ft. Min. Roof Pitch x/12 Listed Clearance 12 x Listed Gas Vent H (Min) Height From Roof H (Min.) Roof Pitch Ft. m Flat to 6/12 1.0 0.30 6/12 to 7/12 1.25 0.38 Over 7/12 to 8/12 1.5 0.46 Over 8/12 to 9/12 2.0 0.61 Over 9/12 to 10/12 2.5 0.76 Over 10/12 to 11/12 3.25 0.99 Over 11/12 to 12/12 4.0 1.22 Over 12/12 to 14/12 5.0 1.52 Over 14/12 to 16/12 6.0 1.83 Over 16/12 to 18/12 7.0 2.13 Over 18/12 to 20/12 7.5 2.27 Over 20/12 to 21/12 8.0 2.44 Figure 10 - B-Vent Terminations Check this area along the entire top edge of the fireplace opening. Smoke or flame should be drawn into the appliance opening. Figure 11 - Checking for Spillage Note: Before connecting this appliance to an existing vent system or a common venting system consult with your local architect, planner, or building official. VENTING INSTALLATION Checking for Proper Venting 108660 10 Forr morre iinfforrmattiion,, viisiitt Figure 13 - Wall Switch Wiring Diagram Note: If any of the original wire as supplied must be replaced, use 18 AWG TYPE CL2 (UL) 105 C (25 ft. length MAXIMUM) or equivalent. OPTIONAL WIRELESS HAND-HELD REMOTE CONTROL INSTALLATION Note: If using optional wireless hand-held remote control, the wall switch is no longer operational. Installing Receiver 1. Remove the front refractory access panel by lifting up and angling out of the firebox opening (see Figure 12) to expose controls. 2. Disconnect wall switch wires from TH/TP terminals on control valve and the blade connector on safety circuit wiring (see Figure 13 and Wiring Diagram on page 27). 3. Install remote receiver unit ...

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