Mitsubishi Electric MLZ-KP09NA, Installation Manual

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E
F
F
G
En-5
Wall
Outdoor side
2-2. HoLE DRILLING
1) Determine the wall hole position.
2) Drill a dia. 2-15/16 in. (75 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
.
unit suspension procedures
• Adjust the length of the bolt’s protrusion from the ceiling surface before -
hand.
• Check the pitch of the suspension bolt
E
. (12-1/8 × 41-3/8 in. (308 mm
× 1051 mm))
1) Install special washer and their nuts F onto the suspension bolt
E
in advance.
* Do this in the following order (from the top): nut F , special washer
with cushion , special washer , nut F , nut
G
.
* Position special washer, with cushion with the insulated surface
pointing down, as in the figure.
2) Lift the unit into place, aligned properly with suspension bolt
E
. Pass
the bracket between special washer, with cushion and special
washer , which are already in place, and secure it. Do the same in
all four places.
* Make sure the suspension bolt E extends 2-3/4 in. (70 mm) or more
from 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.
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.
Hose band
Pipe band
Pipe cover
Indoor unit side
Cut within this area
Drain piping side
(Connect drain
pipe
B
)
ø2-15/16 in.
(ø75 mm)
3/16 to 1/4 in.
(5-7 mm)
21-5/8 in. (550 mm)
16-15/16 in. (430 mm)
Ceiling surface
Make sure these
surfaces are
flush with each
other (0 to 1/8 in.
(0-3 mm)).
Point for securing grille Point for securing grille
Drain pan
2-3/4 in. (70 mm) or more
4-13/16 in. (122 mm)
Point for securing grille
Point for securing grille
Enlarged view
Suspension bolt (W3/8)
Make sure these
surfaces are flush
with each other (0 to
1/8 in. (0-3 mm)).
Spacer (cushion)
1 2
1
Push Secure
2
Secure
3
Position in the
center
Unit
Nut with flange (W3/8)
Special washer (with cushion, 4 pcs)
Special washer
Nut with flange (W3/8)
Nut (W3/8)
RG79Y948H01_en.indd 5 2018/01/23 11:41:54