PREPARE THE | PREPARE THE |
INSTALLATION LOCATION | INSTALLATION LOCATION |
ROOF INSTALLATIONS
WALL INSTALLATIONS
1. Locate the blower on the rear slope of the | 1. Choose a position on the outside wall. | ||||||||||
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, |
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etc.). Bear in mind, if the blower top is | Figure 3 |
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level with the roof peak, it will not be seen |
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| 24¾"25" |
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from the street. Keep this approximate |
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| 10¾" |
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location in mind as you work from within |
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the attic. |
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| 8½" | REMOVE |
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| SIDING |
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Figure 1 |
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| 20¾" |
| 127/8" | Stud |
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| 11" dia. | ||||
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| hole | |
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| 8½" |
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| Wall | Pilot |
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| Hole |
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| REMOVE |
| 11" |
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10 | 3 | /8" |
| SHINGLES |
| dia. |
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| 1¼" | WallStud | 28¼"9½ |
Rafter |
| Rafter | hole |
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| 91/8" | |||||
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| Pilot |
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| Hole |
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| Roof |
| Roof | 20½" |
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| 1¼" | 91/8" |
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| 7¼" |
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| dia. hole |
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| OUTSIDE - WALL VIEW |
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| the wall: |
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| 7¼" |
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| From inside | |
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| 2. Drill a PILOT HOLE through the wall, 8½" | |
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| OUTSIDE - ROOF |
| VIEW |
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From inside the attic space:
2.Drill a PILOT HOLE up through the roof, 8½" from the inside edge of a ROOF RAFTER.
From outside - on the roof:
3.Measure and mark the 20¾" x 20½" rect- angle. Cut and remove only the shingles inside this rectangle.
4.Measure and mark the 11" DIAMETER HOLE and the 1¼" DIAMETER HOLE. Cut these holes all the way through the roof.
Figure 2 | 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 away from pre- vailing winds.
From outside - on the wall:
3.Measure and mark the 24¾" x 28¼" rectangle. Cut and remove only the sid- ing 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.
PREPARE THE BLOWER
ALL INSTALLATIONS
1.Unpack the blower assembly.
2.Remove the cover and screws.
3.Removeanddiscardcardboardfromblower wheel.
4.Remove the wiring box cover and screws.
5.Attachan appropriateU.L.approvedcable connectorintheholeattherearofthewiring box.
3
