Broan EB15 manual Prepare The, Installation Location, Roof Installations, Wall Installations

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
in mind as you work from within the attic.				Ø
2. Mark and drill a guide hole centered				20"17"
between roof rafters.			Ø
				1¼" dia. hole
Ø				Guide hole
	18"						3"
Ø			1411/16"	(centered between studs)
1¼" dia. hole
1211/16"	REMOVE SHINGLES	1"
	RafterRoof					StudWall	29½"
RafterRoof		20½"		Stud
				Wall
				REMOVE	11" dia.
Guide hole					hole
				SIDING
(centered	11" dia.
between rafters)	hole
	125/8"			1114135//168""
	21"18"			25"2"

3. From the outside, use the guide hole as a starting point to lay out the installation:

A.Use a T-square to measure 125/8" to the left of the guide hole, then up 1211/16" to locate the top-left corner of the layout.

B.Starting from the top-left corner, mark the rectangular cutout (21" W x 20½" H) and remove only the shingles in this area.

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
the	roof
board(s)			29-1/	2"
w h e r e					2"
shown.
4. For	flat
roof	in-				7"
s t a l l a -
t i o n s ,		25"			2"
build a
curb that
w i	l l

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 T-square to measure 145/8" to the left of the guide hole, then up 1411/16" to locate the top-left corner of the layout.

B.Starting from the top-left corner, mark the rectangular cutout (25" W x 29½" H) and remove only the siding in this area.

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.

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