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| MODEL 801641 | ||
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| INSTALLATION | Page 2 | |||
ROOF MOUNT | |||||
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For use with Models CTWH30, CTWH36, IH4227, DD30R, DD36R, DD45R, | |||||
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PREPARE THE ROOF | WIRE THE VENTILATOR |
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| 20¾" |
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| BLACK |
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| TO |
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| 8½" |
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| BLACK |
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| REMOVE |
| 11" |
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103/8" |
| SHINGLES |
| dia. |
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Rafter | Pilot | Rafter | hole |
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| Hole |
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| 120 VAC | WHITE | GREEN | |||
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| 20½" | LINE IN | TO | ||||
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| TO | ||||
| Roof |
| Roof |
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| WHITE | |||
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| GREEN | |||
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| 91/8" |
| 5 Remove 7 COVER SCREWS and lift off ventilator cover. | |||||
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| 1¼" |
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| Remove BIRD SCREEN and WIRING COVER. | |||||
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| dia. hole |
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| 6 Feed the electric power cable through the 1¼" DIAMETER | |||
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| HOLE and connect cable to ventilator with a proper | |||
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| connector for the type of cable being used. | |||
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| 7¼" |
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| 7 Connect BLACK TO BLACK, WHITE TO WHITE, and the | |||
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| GREEN TO GREEN or bare wire. Replace wiring cover. | ||||
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| OUTSIDE - ROOF VIEW |
| INSTALL THE VENTILATOR | |||||
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From inside the attic space: |
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| 6 | |||
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| 7 Cover |
| Mounting | ||||
1 Drill a PILOT HOLE up through the roof, 8½" from the inside |
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| Holes | ||||||||
Screws |
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edge of a ROOF RAFTER. |
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From outside - on the roof: |
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| Remove | |||
2 Measure and mark the 20¾" x 20½" rectangle. Cut and |
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| roofing | ||||||
remove only the shingles inside this rectangle. |
| Shipping | nails from | ||||||
3 Measure and mark the 11" DIAMETER HOLE and the 1¼" | top 2/3 of | ||||||||
Cardboard | |||||||||
DIAMETER HOLE. Cut these holes all the way through the | shingles. | ||||||||
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roof. |
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| Wiring |
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| 2" |
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| Cover |
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| Bird Screen | |||
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2" |
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| 6¾" | Flashing Sheet |
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| OUTSIDE - ROOF VIEW | ||||
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| 24¾" | 28¼" |
| 8 Remove SHIPPING CARDBOARD from blower wheel. | |||||
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| 9 Remove roofing nails from top 2/3 of shingles around | |||
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| area. |
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For flat roof installations: |
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| 10 Slide the ventilator's FLASHING SHEET up and under | |||||
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| the loosened shingles until ventilator's discharge collar | ||||||
4 Build a curb that will mount the blower at a minimum pitch of | fits into 11" diameter hole. |
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2/12. Discharge end of the blower should be pointed away | 11 Use the 6 screws (provided) to attach the ventilator to the | ||||||||
from prevailing winds. |
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| roof. 6 MOUNTING HOLES are provided. | |||||
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| 12 Seal the screw heads, loosened shingles, and edges of | |||
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| the flashing sheet, with a good grade of roofing cement. | |||
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| 13 Check for free movement of the | |||
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| power and check operation. |
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