unit suspension procedures
• Adjust the length of the bolt's protrusion from the ceiling surface before-
hand.
• Check the pitch of the suspension bolt
1) Install special washer
and their nuts
in advance.
E
* Do this in the following order (from the top): nut
with cushion , special washer , nut
* Position special washer, with cushion
pointing down, as in the figure.
2) Lift the unit into place, aligned properly with suspension bolt
the bracket between special washer, with cushion
washer , which are already in place, and secure it. Do the same in
all four places.
* Make sure the suspension bolt
E
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. 75 mm hole. The outdoor side should be 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 540 mm long, so that drain piping exit can be moved
up. Cut drain hose into appropriate length before connecting.
E
. (308 mm × 1051 mm)
F
onto the suspension bolt
F
, special washer
, nut
.
F
G
with the insulated surface
. Pass
E
and special
extends 60 mm or more from the
3 Position in the
center
2
Suspension bolt (M10)
E
Nut with flange (M10)
F
Special washer (with cushion, 4 pcs)
Nut with flange (M10)
F
Nut (M10)
G
Places for securing grille
Places for securing grille
Make sure these
surfaces are flush
with each other
Unit
(0-3 mm).
Ceiling surface
Drainage pan
Places for securing grille
Wall
ø75 mm
5-7 mm
Outdoor
side
Hose band
Indoor unit side
430 mm
Cut within this area
Special washer
Enlarged view
Make sure these
surfaces are flush
with each other
(0-3 mm).
Places for securing grille
Pipe band
Pipe cover
Spacer (cushion)
540 mm
Drain piping side
(Connect drain
pipe
)
B
En-4