Installation Location; Installing The Indoor Unit - Mitsubishi Electric PCA-A-KA4 Installation Manual

2. Installation location

W
Fig. 2-1

3. Installing the indoor unit

Fig. 3-1
A
1/16
B
2-15/16
9-3/16
9-11/16
Fig. 3-2
7-1/2
3-1/8 Ø2-9/16
Fig. 3-3
9-5/16
Min. 19-11/16
9-5/16
1/16
3-3/8 3-3/8 1/16
5-7/16
7-1/16
7-7/8
9-3/16
9-11/16
2-3/4
6-5/16
Ø3-15/16 4-15/16
2.1. Outline dimensions (Indoor unit) (Fig. 2-1)
Select a proper position allowing the following clearances for installation and main-
tenance.
Models W
A24, 30 50-3/8
A36, 42 63
Warning:
Mount the indoor unit on a ceiling strong enough to withstand the weight of
the unit.
2.2. Outline dimensions (Outdoor unit)
Refer to the outdoor unit installation manual.
3.1. Check the indoor unit accessories (Fig. 3-1)
The indoor unit should be supplied with the following accessories
(contained in the inside of the intake grille).
Accessory name
Washer
Pipe cover
Pipe cover
Band
Joint socket
Socket cover
Drain tubing cover
3.2. Preparation for installation (Fig. 3-2)
3.2.1. Suspension bolt installing spacing
(inch)
Models A B
A24,30 48-11/16 50-3/8
A36,42 61-5/16 63
3.2.2. Refrigerant and drain tubing location
Front side outlet
Left side outlet
Right side outlet
Independent piece (Removable)
Right drain tubing
In case of the rear pipe arrangement, make sure to remove the shaded portions
from the independent piece. Then put the
position.
(The heat exchanger might be clogged because of dust)
3.2.3. Selection of suspension bolts and tubing positions (Fig. 3-3)
Caution:
Install the indoor unit at least 8 ft. (2.4 m) above floor or grade level. For
appliances not accessible to the general public.
Using the pattern paper provided for installation, select proper positions for suspen-
sion bolts and tubing and prepare relative holes.
Pattern paper
Suspension bolt hole
Indoor unit width
Secure the suspension bolts or use angle stock braces or square timbers for bolt
installation.
Use inserts of 220-230 lbs. each.
Use suspension bolts of W 3/8 or M10 in size.
(inch)
Q'ty
4 pcs
1 pc Large size (For gas tubing)
1 pc Small size (For liquid tubing)
4 pcs
1 pc Marked with "UNIT"
1 pc
1 pc
Left drain tubing
Gas tubing
Liquid tubing
Rubber plug
with Joint socket
independent piece back in initial
3