Installation Guide

6
ASSEMBLY INSTRUCTIONS (Continued)
a
a
b
EXISTING CONSTRUCTION–ACCESSIBLE
EVOBA MORF
1. Measure the existing ceiling opening or cut a new
opening to ensure it is large enough to accommodate
the new fan (8 in. x 8.25 in. suggested).
2. Place housing in opening so that its bottom edge is
flush with finished ceiling. Screw housing to joist
through lowest holes in each mounting flange.
Insert the duct (not provided) into the duct connector
and tape all ductworks connection to make them
secure and air tight. Install the duct with a gradient
1°~2° to the outside.
1. Measure the existing ceiling opening or cut a new
opening to ensure it is large enough to accommodate
the new fan (9 in. x 9 in. suggested).
EXISTING CONSTRUCTION–ACCESSIBLE
FROM BELOW (No Attic Access)
3.
2
9.4"
9.4"
8.25 in.
8 in.
Joist
wercS Ø4×25
3
1
A piece of wood (not provided) may be necessary
that is screwed in from below through the ceiling
board. Suggested size is H 4in. x L 14 in. Position
the screws far enough from the edge of the ceiling
board that it does not crumble and give way.
1
Wood
4 in.
14 in.
9 in.
9 in.
Gradient
1
°~2°