Mitsubishi Electric City Multi PLFY-P25VEM-E Installationshandbuch Seite 4

2. Installing the indoor unit
A
C
B
1
G
F
D
E
D Ceiling H Use inserts rated at 100-150 kg each
E Rafter (procure locally)
F Beam I
G Roof beam (procure locally)
J Steel reinforcing rod
A
B
A
C
D
E
Min. 30
F
C
G
B
Fig. 2-5
A
C
B
Fig. 2-7
A Main unit
B Grille
C Pillar
2
J
H
I
A Suspension bolt (procure locally)
B Ceiling
C Nut
D Washer (with insulation)
E Mounting plate
F Washer (without insulation)
G Check using the Installation gauge
A
B
C
D
A Main unit
B Ceiling
C Gauge
D Ceiling opening dimensions
A Main unit
B Ceiling
C Installation template
(top of the package)
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
as reinforcing members.
be at least 6 cm long if the beams are separated by not more than 90 cm and their
sides must be at least 9 cm long if the beams are separated by as much as 180
with the unit.)
2 Ferro-concrete structures
hangers, etc. to install the suspension bolts.
2.5. Unit suspension procedures (Fig. 2-5)
Suspend the main unit as shown in the diagram.
Figures given in parentheses represent the dimensions in case of installing optional
multi function casement.
1. In advance, set the parts onto the suspension bolts in the order of the washers
(with insulation), washers (without insulation) and nuts (double).
insulation) and nuts (double) are to be set later.
2. Lift the unit to the proper height of the suspension bolts to insert the mounting
plate between washers and then fasten it securely.
3. When the main unit can not be aligned against the mounting hole on the ceiling,
adhere to this range. (Fig. 2-6)
Caution:
condensation may form and drip due to air leakage, etc.
with water.
securely to fasten the main unit.
to prevent dust from entering the main unit when the grilles are left unattached for
a while or when the ceiling materials are to be lined after installation of the unit is
(top of the package)
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