Unit suspension procedures
• Adjust the length of the bolt's protrusion from the ceiling surface beforehand.
• Check the pitch of the suspension bolt
(9-3/4 × 30-3/8 in. (249 mm × 773 mm))
1) Install special washer
and their nuts
advance.
* Do this in the following order (from the top): nut
cushion
, special washer
, nut
* Position special washer, with cushion
down, as in the figure.
2) Lift the unit into place, aligned properly with suspension bolt
bracket between special washer, with cushion
are already in place, and secure it. Do the same in all four places.
* Make sure the suspension bolt
E
the surface of the ceiling. Otherwise you will not be able to install the grille
(optional).
* If the points for securing the grille are not flush with the ceiling surface,
water may condense, or the panel may not open/close.
3) If the long opening in the bracket and opening in the ceiling do not align, adjust
them until they do.
4) Check that the four places for securing the grille are all level using a spirit
level.
5) Tighten all the nuts.
Secure
1 Push
2 Secure
1
2-2. HOLE DRILLING
1) Determine the wall hole position.
2) Drill a dia. 2-1/2 in. (65 mm) hole. The outdoor side should be 3/16 to 1/4 in.
(5 to 7 mm) lower than the indoor side.
3) Insert wall hole sleeve
K
.
2-3. DRAIN PIPING
• Use drain pipe
B
for drain piping. Be sure to connect the piping joints using
adhesive of polyvinyl chloride family to prevent leakage.
• Before drain piping work, remove the pipe cover, hose band, pipe band, and
spacer (cushion). Dispose of the spacer (cushion), as it will not be needed.
• Drain hose
is 21-5/8 in. (550 mm) long, so that drain piping exit can be
moved up. Cut drain hose
into appropriate length before connecting.
EN-5
.
E
onto the suspension bolt
F
E
F
, special washer with
F
, nut
.
G
with the insulated surface pointing
E
. Pass the
and special washer
, which
extends 2-3/4 in. (70 mm) or more from
3 Position in the
center
2
in
Point for securing grille
Point for securing grille
Make sure these
surfaces are flush
with each other (0 to
1/16 in. (0-3 mm)).
Ceiling surface
Point for securing grille
Wall
ø2-1/2 in.
(ø65 mm)
Hose band
Indoor unit side
Suspension bolt (W3/8)
E
Nut with flange (W3/8)
F
Special washer (with cushion)
Special washer
Nut with flange (W3/8)
F
Nut (W3/8)
G
Enlarged view
Make sure these
surfaces are flush
with each other (0 to
Unit
1/16 in. (0-3 mm)).
Drain pan
Point for securing grille
3/16 to 1/4 in.
(5-7 mm)
Outdoor
side
Pipe band
Pipe cover
21-5/8 in. (550 mm)
16-7/8 in. (430 mm)
Drain piping side
(Connect drain
Cut within this area
pipe
B
)