Indoor Unit Installation; Fixing Of Indoor Unit Mounting Bracket; Hole Drilling; Hole Positions - Mitsubishi Electric MFZ-KJ09NA Installation Manual

2. INDOOR UNIT INSTALLATION

2-1. FIXING OF INDOOR UNIT MOUNTING BRACKET

• Find a structural material (such as a stud) in the wall and fix bracket (7) horizontally with fixing screws (8).
• To prevent bracket (7) from vibrating, be sure to install the fixing screws in the holes indicated in the illustration. For added support, fixing screws may also be installed
in other holes.

2-2. HOLE DRILLING

1) Determine the wall hole position.
2) Drill a ø3 in. (ø75 mm) hole. The outdoor side should be 6/32 to 9/32 in. (5 to
7 mm) lower than the indoor side.
3) Insert wall hole sleeve (C).

HOLE POSITIONS

FOR REAR OR LEFT-REAR PIPING
(The following figure is a front view
of the indoor unit installation location.)
29-17/32 (750)
6-27/32 17-1/4 5-7/16
(174) (438) (138)
23/32 (18)
12-21/64 2-7/16
(313) (62)
3-7/64 (79)
2-3. INDOOR UNIT PREPARATION
Remove the front panel of the indoor unit.
1) Push down the tab on the both sides of the unit to open the front panel.
2) Pull the front panel toward you to remove it.
3) Remove the 2 screws.
4) Open the rear horizontal vane.
5) Push the 2 locations on the top of the panel, and then pull the upper part of the panel toward you.
6) Remove the panel while lifting it up (slightly).
Front panel
Rear horizontal
vane
FOR RIGHT DOWNWARD OR LEFT DOWN-
WARD PIPING
(The following figure is a view of the bottom of
the indoor unit from above.)
8-37/64 6-3/16
(218) (157)
5-7/8
(150)
29-17/32 (750)
Rear horizontal
vane
Wall
ø3 in.(ø75 mm)
Indoor
side
FOR LEFT PIPING
12-21/64 2-7/16
(313) (62)
2-61/64
(75)
2-3/8
(60)
Front panel
Indoor unit
Panel
Push
5
5
Indoor unit
Panel
6/32 - 9/32 in.
(5 - 7 mm)
Outdoor
side
FOR RIGHT PIPING
inch (mm)
2-3/8
(60)
En-4