PREPARE THE | PREPARE THE |
INSTALLATION LOCATION | INSTALLATION LOCATION |
ROOF INSTALLATIONS
WALL INSTALLATIONS
1. Locate the blower on the rear slope of | 1. Choose a position on the outside wall. | ||||||
the roof. Place it in a location to minimize | Make sure that no wall studs, pipes or | ||||||
duct run. The location should be free of | wires run through the opening area. | ||||||
obstacles (T.V. leads, electrical lines, | 2. From inside, mark and drill a guide | ||||||
etc.). If the blower top is level with the | |||||||
roof peak, it will not be seen from the | hole centered between wall studs. | ||||||
street. Keep this approximate location |
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in mind as you work from within the attic. |
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2. Mark and drill a guide hole centered |
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between roof rafters. |
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| 1¼" dia. hole |
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Ø |
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| Guide hole |
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| 18" |
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| 3" | ||
Ø |
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| 1411/16" | (centered between studs) | |||
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1¼" dia. hole |
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1211/16" | REMOVE SHINGLES | 1" |
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RafterRoof |
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| StudWall | 29½" | ||
RafterRoof | 20½" |
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| Wall |
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| REMOVE | 11" dia. |
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Guide hole |
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| hole |
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| SIDING |
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(centered | 11" dia. |
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between rafters) | hole |
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| 125/8" |
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| 1114135//168"" |
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| 21"18" |
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| 25"2" |
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3. From the outside, use the guide hole as a starting point to lay out the installation:
A.Use a
B.Starting from the
C.Mark an 11" diameter hole centered on the guide hole. Cut this hole through the roof board(s).
D.Mark and cut a 1¼" diameter hole
through |
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the | roof |
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board(s) |
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w h e r e |
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shown. |
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4. For | flat |
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roof | in- |
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s t a l l a - |
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t i o n s , | 25" |
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build a |
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curb that |
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w i | l l |
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mount the blower at a minimum pitch of 2/12. Discharge end of the blower should be pointed downward.
3.From the outside, use the guide hole as a starting point to lay out the instal- lation:
A.Use a
B.Starting from the
C.Mark an 11" diameter hole cen- tered on the guide hole. Cut this hole through the roof board(s).
D.Mark and cut a 1¼" diameter hole through the roof board(s) where shown.
3
