Installing The Indoor Unit - Mitsubishi Electric PLFY-WP32VBM Installationshandbuch

2 Installing the indoor unit

20-45
160
1 7.5
G
E
F
Fig 2-2
C
B
A
D
E
90 100 100 90
F
350
I
H
Fig 2-
Ceiling
Rafter
Beam
Roof beam
Fig. 2-4
950 D
860-910 C 20-45
810 B
160
840 A
E
F
Min. 15
H
O
A
J
K
120°
G
Unit
Grille
Pillar
Use inserts rated at 100-150kg each
(procure locally)
Suspension bolts M10 (3/8")
(procure locally)
Steel reinforcing rod
2 2 Ceiling openings and suspension olt installation
locations (Fig 2-2)
Caution:
Install the indoor unit at least 2
Using the installation template (top of the package) and the gauge (supplied as an
accessory with the grille), make an opening in the ceiling so that the main unit can
be installed as shown in the diagram. (The method for using the template and the
gauge is shown.)
* Before using, check the dimensions of template and gauge, because they
change due to uctuations of temperature and humidity.
* The dimensions of ceiling opening can be regulated within the range shown in
Fig. 2-2; so center the main unit against the opening of ceiling, ensuring that the
respective opposite sides on all sides of the clearance between them becomes
identical.
Use M1 (3 ) suspension bolts.
* Suspension bolts are to be procured at the eld.
Install securely, ensuring that there is no clearance between the ceiling panel
grille, and between the main unit
A Outer side of main unit
B Bolt pitch
C Ceiling opening
D Outer side of Grille
* Note that the space between ceiling panel of the unit and ceiling slab and etc
must be 1 to 15 mm.
* When the optional multi-functional casement is installed, add 135 mm to the
dimensions marked on the gure.
Models
32, 4 , 5
2 Branch duct hole and resh air inta e hole
(Fig 2- )
At the time of installation, use the duct holes (cut out) located at the positions shown
in Fig. 2-3, as and when required.
A fresh air intake hole for the optional multi function casement can also be made.
Note:
The gure ar ed ith in the dra ing represent the di ensions o the
unit e cluding those o the optional
When installing the optional
di ensions ar ed on the gure
P When installing the ranch ducts
condensation and dripping
When installing the resh air inta e hole
that is pasted on the indoor unit
A Branch duct hole
L
B Indoor unit
C Fresh air intake hole
D Drain pipe
M
E Water pipe
F Branch duct hole diagram
N
(view from either side)
G 14-ø2. burring hole
H ø15 cut out hole
2 Suspension structure (Gi e site o suspension
strong structure) (Fig 2- )
The ceiling work differs according to the construction of the building. Building
constructors and interior decorators should be consulted for details.
(1) Extent of ceiling removal: The ceiling must be kept completely horizontal and the
ceiling foundation (framework: wooden slats and slat holders) must be reinforced
in order to protect the ceiling from vibration.
(2) Cut and remove the ceiling foundation.
(3) Reinforce the ends of the ceiling foundation where it has been cut and add ceiling
foundation for securing the ends of the ceiling board.
(4) When installing the indoor unit on a slanted ceiling, attach a pillar between the
ceiling and the grille and set so that the unit is installed horizontally.
1 Wooden structures
Use tie beams (single storied houses) or second oor beams (two story houses)
as reinforcing members.
Wooden beams for suspending air conditioners must be sturdy and their sides must
be at least 6 cm long if the beams are separated by not more than
sides must be at least
cm. The size of the suspension bolts should be ø1 (3
with the unit.)
2 Ferro-concrete structures
Secure the suspension bolts using the method shown, or use steel or wooden
hangers, etc. to install the suspension bolts.
a o e oor or grade le el
grille.
E Grille
F Ceiling
G Multi function casement (option)
H Entire periphery
(mm)
C D
241 25
ulti unction case ent
ulti unction case ent add
e sure to insulate ade uatel
a occur
e sure to re o e the insulator
I ø175 burring hole pitch
J Fresh air intake hole diagram
K 3-ø2. burring hole
L ø125 burring hole pitch
M ø1
cut out hole
N Ceiling
O Detailed gure of removing the insulator
P Insulator
cm long if the beams are separated by as much as 1
). (The bolts do not come
ain
to the
Other ise
P
cm and their