Wolf 801641 Benutzerhandbuch

From inside the attic space:



  Drill a 

PILOT HOLE up through the roof, centered between 

ROOF RAFTERS.

From outside - on the roof:



  Measure and mark the 21" x 20½" rectangle. Cut and remove 

only the shingles inside this rectangle.



  Measure and mark the 

11" DIAMETER HOLE and the 1¼" 

DIAMETER HOLE. Cut these holes all the way through the 

roof.

For flat roof installations:



  Build a curb that will mount the blower at a minimum pitch of 

2/12. Discharge end of the blower should be pointed away 

from prevailing winds.



 Remove 

COVER SCREWS 

and lift off 

ventilator cover.



  Feed the electric 

power cable 

through the 

DIAMETER HOLE 

and connect cable 

to ventilator with a 

proper connector 

for the type of 

cable being used.



Connect 

TO BLACK, 

WHITE TO BLUE, 

and 

SCREW.



  Remove roofing nails from top 2/3 of shingles around cut-out 

area.



  Slide the ventilator's 

FLASHING SHEET up and under the 

loosened shingles until ventilator's discharge collar fits into 

11" diameter hole.



  Use the 6 screws (provided) to attach the ventilator to the 

roof. 

DRILL 6 MOUNTING HOLES inside the ventilator, 

as necessary.



  Seal the screw heads, loosened shingles, and edges of 

the flashing sheet, with a good grade of roofing cement.



  Check for free movement of the spring-loaded 

DAMPER, 

and re-install the ventilator cover. Turn on power and check 

operation.