PREPARE THE INSTALLATION LOCATION
ROOF INSTALLATIONS
PREPARE THE INSTALLATION LOCATION
WALL INSTALLATIONS
1. Locate the blower on the rear slope of the roof. | 1. Choose a position on the outside wall. Make sure | ||||||||||
Place it in a location to minimize duct run. The |
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location should be free of obstacles (T.V. leads, |
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electrical lines, etc.). Bear in mind, if the blower top |
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is level with the roof peak, it will not be seen from | Figure 3 |
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the street. Keep this approximate location in mind |
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| 24¾"25" |
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as you work from within the attic. |
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| 10¾" |
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Figure 1 |
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| 20¾" |
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| REMOVE |
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| 8½" |
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| 8½" |
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| SIDING |
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| Stud |
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| REMOVE |
| 11" | 127/8" |
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| 11" dia. | |||
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| Wall |
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| hole | |||
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| SHINGLES |
| dia. |
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| Pilot |
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103/8" | RafterRoof | Pilot | RafterRoof | hole |
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| Hole | StudWall |
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| Hole |
| 20½" |
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| 28¼"9½ | |
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| 1¼" |
| 91/8" | ||
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| dia. hole |
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| 1¼" |
| 91/8" |
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| dia. hole |
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| 7¼" |
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| 7¼" |
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| OUTSIDE - WALL VIEW |
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| OUTSIDE - ROOF VIEW |
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From inside the attic space: |
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| From inside the wall: |
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| 2. | Drill a PILOT HOLE through the wall, 8½" from | ||||||||
2. Drill a PILOT HOLE up through the roof, 8½" | |||||||||||
| the inside edge of a WALL STUD. | ||||||||||
from the inside edge of a ROOF RAFTER. |
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From outside - on the roof:
3.Measure and mark the 20¾" x 20½" rectangle. Cut and remove only the shingles inside this rect- angle.
4.Measure and mark the 11" DIAMETER HOLE and the 1¼" DIAMETER HOLE. Cut these holes all the way through the roof.
From outside - on the wall:
3.Measure and mark the 25" x 29½" rectangle. Cut and remove only the siding inside this rectangle.
4.Measure and mark the 11" DIAMETER HOLE and the 1¼" DIAMETER HOLE. Cut these holes all the way through the wall.
Figure 2 |
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| 2" |
2" |
| 6¾" |
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| 24¾" | 28¼" |
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5.For flat roof installations, build a curb that will mount the blower at a minimum pitch of 2/12. See Figure
2. Discharge end of the blower should be pointed |
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away from prevailing winds. | 2 |
PREPARE THE BLOWER
ALL INSTALLATIONS
1.Unpack the blower assembly.
2.Remove the cover and screws.
3.Remove and discard cardboard from blower wheel.
4.Remove the wiring box cover and screws.
5.Attach an appropriate U.L. approved cable con- nector in the hole at the rear of the wiring box.