Mitsubishi MFZ-KA09NA Installation Manual page 4

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 by [->] 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 3/16 to 9/32 in. (5 to 7 mm) lower than the indoor
side.
3) Insert wall hole sleeve (C).
HOLE POSITIONS
FOR LEFT PIPING
2-3. INDOOR UNIT PREPARATION
Remove the front panel of the indoor unit.
1) Push the 2 locations marked "PUSH" on the upper part of the front grille until a
"click" is heard.
2) Open the front grille toward you.
3) Remove the 2 screws.
4) Grasp the rear horizontal vane at the upper air outlet, and open it.
5) Push the 3 locations on the top of the front panel, and then pull the upper part
of the front panel toward you.
6) Remove the front panel while lifting it up (slightly).
* The front panel can be removed without opening the damper of the lower air
outlet.
Front horizontal
vane
En-
FOR RIGHT DOWNWARD OR LEFT DOWNWARD PIPING
(The drawing below is a view of the bottom of the indoor unit from above.)
FOR REAR OR LEFT-REAR PIPING
(The drawing below is a front view of the indoor unit installation location.)
Rear horizontal
vane
Front panel
*
Do not open the damper
of the lower air outlet.
ø3 in. (ø75 mm)
Indoor side
When the unit
is installed on
the wall.
When the unit is installed
on the floor.
1-3/4(45)
Pipe connecting port
(Gas)
1-3/8(35)
Pipe connecting port
(Liquid)
Front panel
Wall
3/16-9/32 in. (5-7 mm)
Outdoor side
inch (mm)
FOR RIGHT PIPING
4-5/8(118)
3-3/4(96)
Indoor unit
Push
Indoor unit