Mitsubishi Electric MCFZ-A12WV Installation Manual page 6

4-2 A CASE OF INSTALLATING INDOOR UNIT ON THE WALL
4-2-(1) MOUNTING INSTALLATION PLATE FIXING BOLTS
1. Determine the locations of installation plate fixing bolts.
• Use installation pattern to determine the locations of installation plate fixing bolts J.
2. Sturdy wall
• Find structural material (such as stud) in the wall.
3. Installation plate fixing bolt pitch.
• See to 4-1-(1) 3. (Page 5)
4-2-(2) FIXING OF INSTALLATION PLATES
1. Set installation plates 1 to installation plate fixing bolts J.
• See to 4-1-(2) 1. (Page 5)
2. Put installation plate fixing bolt through spring washer (2), and double nuts.
• See to 4-1-(2) 2 Fig. 4. (Page 5)
4-2-(3) DRILLING HOLE
Determine the location of hole for refrigerant pipes and drain pipe.
• Use the installation pattern as mentioned in 4-2-(1).
• Be sure to confirm the dimensions as below.
300 mm
Horizontal base line
Hole for refrigerant and drain pipe
(in the case of downward piping)
4-2-(4) FRONT GRILLE REMOVAL
• See to 4-1-(4). (Page 5)
4-2-(5) OPENING KNOCKOUT HOLE
• See to 4-1-(5). (Page 5)
Installation pattern
* Remove installation pattern after installing.
Installation plate 1
300 mm
Ø75
155 mm
Ø75
Hole for refrigerant and drain pipe (in the case of
rear piping)
4-2-(6) FIXING UNIT TO INSTALLATION PLATES
1. Suspending unit from installation plate.
• Hoist unit so that hanging bolt (4) on the sides of unit fit into holes in installation plate 1.
Installation plate 1
Unit fixing screw 2
Hanging bolt
2. Securing unit to installation plates.
• Be sure to tighten unit fixing screw 2 to unit securely.
4-3 KNOCKOUT COVER
• After removing the knockout holes, attach knockout cover 9 on the knockout hold edge (shown as below).
A
Refrigerant
pipe
Drain pipe
Knockout
6
Unit fixing screw 2
• Be sure to set
hanging bolt in
this position.
Hanging bolt
Knockout
cover 9
B C
Refrigerant
pipe
Drain pipe
Refrigerant
pipe
Drain pipe
Knockout
Knockout