Lennox RAVL42 Installation And Operation Manual page 26

The fan box may be located in the wall, floor, or ceiling.
Ceiling and Wall Mounting:
1) Fasten the two angled brackets to the side of the face box with the screws provided (see A below).
2) Fasten the bracket in these
2. Fasten the bracket in
holes for 2 x 4 walls.
these holes for 2 x 4 walls.
Fasten the bracket in
Fasten the bracket in
these holes for 2 x 6 or
these holes for 2 x 6 or
greater walls or ceiling.
greater walls or ceiling.
Figure 38
Floor Mounting:
1. Fasten the two floor mount adapters (B below) to the side of the fan box with the screws provided. The floor mount adapters have two sets of holes.
The upper holes (C below) should be used if the flooring material is thin and the lower holes (D below) should be used if the flooring material is
thick.
2. Cut the hole (E below) for the fan box. Since the fan box body is wider than the portion that comes up through the floor an additional piece of floor-
ing (F below) should also be cut out for the fan box to slide through. (Save this piece F and nail it back in place after the fan box is installed).
3. Slide the fan box through the cut holes and nail or screw it to the floor.
C
Figure 39
D
26
A
B
C
D
C
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
16"
16"
F
3) Then fasten the blower box to the
3. Then fasten the fan box to the
ceiling rafters or wall studs.
ceiling rafters or wall studs
2"
5"
E
14" 14"
.