Installing The Indoor Unit - Mitsubishi Electric city multi P40 Installationshandbuch

3. Installing the indoor unit

A
F
75
B
226
Fig. 3-2
170(230)
80
A
Fig. 3-3
A
1
C
B
H
G
2
Fig. 3-4
B
A
a
b
b
a
(mm)
d
c
f
e
B C
A
85 86
G
137
H D
E
G H
C
F
180
H
200
G
E
241
B
70
151(211)
A
Ø65 Ø100 125
C
B
E
D
F
L
J
K
Fig. 3-5
3.2. Preparation for installation (Fig. 3-2)
3.2.1. Suspension bolt installing spacing
Models A
P40 933
P63 1240
P100 1240
P125 1547
3.2.2. Refrigerant and drain tubing location
Models D
P40, P63 131
P100, 125 191
A Front side outlet
B Left side outlet
C Right side outlet
D Independent piece (Removable)
(mm)
3.2.3. Selection of suspension bolts and tubing positions (Fig. 3-3)
Using the pattern paper provided for installation, select proper positions for suspen-
sion bolts and tubing and prepare relative holes.
A Pattern paper
B Suspension bolt hole
C Indoor unit width
Secure the suspension bolts or use angle stock braces or square timbers for bolt
installation.
A Use inserts of 100 kg to 150 kg each.
B Use suspension bolts of W3/8 or M10 in size.
3.2.4. Indoor unit preparation (Fig. 3-4)
1. Install the suspending bolts. (Procure the W3/8 or M10 bolts locally.)
Predetermine the length from the ceiling (1 within 100 mm).
A Ceiling surface
2. Remove the intake grille.
Slide the intake grille holding knobs (at two locations) backward to open the intake
grille.
3. Remove the side panel.
Remove the side panel holding screws (one in each side, right and left) then slide the
side panel forward for removal.
D Intake grille
E Intake grille holding knob
F Slide
G Hinge
H Pushing the hinge, pull out the intake grille.
2 Forcing open the intake grille or opening it to an angle of more than 120° may damage the
hinges.
3.3. Installing the indoor unit (Fig. 3-5)
Use a proper suspending method depending on the presence or absence of ceiling
materials as follows.
In the absence of ceiling materials
A In the presence of ceiling materials
B In the case of unit suspension
(in the absence of ceiling materials)
a Suspending bracket
b Unit
1) Directly suspending the unit
Installing procedures
1. Install the washer 1 (supplied with the unit) and the nuts (to be locally procured).
2. Set (hook) the unit through the suspending bolts.
3. Tighten the nuts.
Check the unit installing condition.
• Check that the unit is horizontal between the right and left sides.
• Check that the unit slopes continuously downward from the front to the rear.
(mm)
B C
1000 221
1310 221
1310 281
1620 281
E F G H J K
175 178 90 82 159 156
235 238 150 142 219 216
E Right drain tubing
F Left drain tubing
G Gas tubing
H Liquid tubing
B Suspending bolt C Suspending bracket
J Slide the side panel forward.
K Side panel
L Remove the side panel holding screws.
c Ceiling
d Suspending bolt
e Washer
f Double nuts
(mm)
L
90
150
3