AIR TERMINAL INSTALLATIONS: | 7 |
|
FIGURE 10
|
| INSTALLATIONS |
|
| |
|
| CANADIAN | U.S.A. |
|
|
| A | 12 INCHES | 12 INCHES | Clearance above grade, veranda porch, deck or balcony. | |
|
|
|
|
|
|
| B | 12 INCHES | 9 INCHES | Clearance to windows or doors that open. | |
|
|
|
|
|
|
| C | 12 INCHES* | 12 INCHES* | Clearance to permanently closed windows. | |
|
|
|
|
| |
| D | 18 INCHES** | 18 INCHES** | Vertical clearance to ventilated soffit located above the terminal within | |
| a horizontal distance of 2 feet from the centerline of the terminal. | ||||
|
|
|
|
| |
| E | 12 INCHES** | 12 INCHES** | Clearance to unventilated soffit. | |
|
|
|
|
| |
| F | 0 INCHES | 0 INCHES | Clearance to an outside corner wall. | |
|
|
|
|
|
|
|
| 0 INCHES*** | 0 INCHES*** | Clearance to an inside | |
|
| ||||
| G |
|
| ||
|
|
|
|
| |
| 2 INCHES*** | 2 INCHES*** | Clearance to an inside combustible corner wall or protruding com- | ||
|
| ||||
|
| bustible obstructions ( vent chase, etc.). | |||
|
|
|
| ||
|
|
|
|
| |
| H | 3 FEET | 3 FEET**** | Clearance to each side of the centerline extended above the meter | |
| / regulator assembly. | ||||
|
|
|
| ||
|
|
|
|
| |
| I | 6 FEET | 3 FEET**** | Clearance to a service regulator vent outlet. | |
|
|
|
|
| |
| J | 12 INCHES | 9 INCHES | Clearance to a | |
| combustion air inlet to any other appliance. | ||||
|
|
|
| ||
|
|
|
|
| |
| K | 6 FEET | 3 FEET† | Clearance to a mechanical air supply inlet. | |
|
|
|
|
| |
| L | 7 FEET‡ | 7 FEET**** | Clearance above a paved sidewalk or paved driveway located on | |
| public property unless fitted with a heat shield kit | ||||
|
|
|
| ||
|
|
|
|
| |
| M | 12 INCHES†† | 12 INCHES**** | Clearance under a veranda, porch, deck or balcony. | |
|
|
|
|
| |
| N | 16 INCHES | 16 INCHES | Clearance above the roof. | |
|
|
|
|
| |
| O | 2 FEET†* | 2 FEET†* | Clearance from an adjacent wall including neighbouring buildings. | |
|
|
|
|
|
|
*Recommended to prevent condensation on windows and thermal breakage
**It is recommended to use a heat shield and to maximize the distance to vinyl clad soffits.
***The periscope
****This is a recommended distance. For additional requirements check local codes.
†Three feet above if within 10 feet horizontally.
‡A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family
dwellings and serves both dwellings.
††Permitted only if the veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor. †* Recommenced to prevent recirculation of exhaust products. For additional requirements check local codes.