OWNER’S MANUAL
VENTING INSTALLATION
Continued
Vent terminations must be located in accor- dance with height and proximity rules of NFPA No. 54 or CAN/CGA B149. These rules apply to vents at 12 in. diameter or less and require a minimum height in accor- dance with the roof pitch and a minimum of 8 ft. distance from a vertical wall or obstruc- tion (see Figure 10).
If venting horizontally through a side wall becomes necessary, a listed thimble ap- proved for use with
Some codes areas allow the use of existing
The flue connection must be made using listed
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 window frame and play it along the entire length of the window (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
Lowest Listed
Discharge Vent Cap
Opening
8 Ft. Min. 
Listed Gas
Vent 
12
H(Min) Height From Roof
x
Roof Pitch x/12 Listed Clearance
It is not recommended that this appliance be common vented with an existing gas burn- ing appliance. However, if it becomes nec- essary to common vent this appliance, the venting system must be sized and config- ured in accordance with the common vent- ing guides Appendix G of the current Na- tional Fuel Gas Code NFPA No. 54/ANS Z223.1 and in Canada with CAN/CGA B149.
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.
NOTICE: This appliance is equipped with a vent safety
| 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
Note: Before connecting this appliance to an existing vent system or a common vent- ing system consult with your local architect, planner, or building official.
WARNING: This appliance must be properly connected to a
shutoff switch which will shut down the appliance in the case of a venting problem. Do not by- pass the vent safety switch. If the appliance should shut down, con- tact a qualified installer, service agency, or your gas supplier to have the vent inspected before operating.
Check this area along the entire top edge of the glass frame. Smoke or flame should be drawn into the appliance opening.
Figure 11 - Checking for Spillage
107050 | 7 |