2 Venting
2. Outdoor installation venting
NOTICE | Before installing a venting system, follow | |
all venting clearances and requirements | ||
| ||
| found in the Venting, General Information | |
| section, page 16. | |
| Only install outdoor models outdoors | |
WARNING | ||
and only use the vent caps supplied by | ||
| the appliance manufacturer. Personal | |
| injury or product damage may result if | |
| any other cap is used or if an outdoor | |
| model is used indoors. Properly install all | |
| covers, doors and jacket panels to ensure | |
| proper operation and prevent a hazardous | |
| condition. |
Units are
Combustion air supply must be free of contaminants (see Combustion and Ventilation Air, page 12). To prevent recirculation of the flue products into the combustion air inlet, follow all instructions in this section.
Outdoor vent/air inlet location
Keep venting areas free of obstructions. Keep area clean and free of combustible and flammable materials. Maintain a minimum clearance of 3'' (76mm) to combustible surfaces and 36" clearance to the rear of the unit for outdoor installations. To avoid a blocked air inlet or blocked flue condition, keep the air inlet, flue outlet and drain slot clear of snow, ice, leaves, debris, etc.
CAUTION | Do not install outdoor models directly on | ||
the ground. You must install the outdoor | |||
| |||
| unit on a concrete, brick, block, or other | ||
|
| ||
| Do not locate unit so that high winds | ||
CAUTION | |||
can deflect off of adjacent walls, buildings | |||
| |||
| or shrubbery causing | recirculation. | |
| Recirculation of flue products may cause | ||
| operational problems, bad combustion or | ||
| damage to controls. Locate | unit at least | |
| 3 feet (0.91m) from any wall or vertical | ||
| surface to prevent wind conditions from | ||
| affecting performance. |
|
Installation & Service Manual
NOTICE | Multiple outdoor unit installations require | |
48'' (1.22m) clearance between each vent | ||
| ||
| cap. Locate the outdoor cap at least 48'' | |
| (1.22m) below and 48'' (1.22m) horizontally | |
| from any window, door, walkway or gravity | |
| air intake. | |
| Locate the unit at least 10 feet (3.05m) away | |
| from any forced air inlet. | |
| Locate the unit at least 3 feet (0.91m) | |
| outside any overhang. | |
| Clearances around outdoor installations can | |
| change with time. Do not allow the growth | |
| of trees, shrubs or other plants to obstruct | |
| the proper operation of the outdoor vent | |
| system. | |
| A minimum of 3 feet must be maintained | |
CAUTION | ||
at all times from outdoor air vent cap | ||
| surfaces to combustible construction and/or | |
| materials. | |
| Do not install in locations where rain from | |
CAUTION | ||
building runoff drains will spill onto the | ||
| unit. |
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