English
4
4.
PREPARATIONS BEFORE
INSTALLATION
4-1 FOR 4-WAY AIR DISCHARGE
1. Relation of holes for indoor unit, suspension bolt posi-
tion, piping and wiring. (Refer to Fig. 2)
(Illustrations seen from ceiling)
∗
Dimensions in ( ) for 100 and 125 models
∗∗∗
Suspension bolt pitch
2. Make holes for suspension bolts, refrigerant and drain
piping, and wiring. (Refer to Fig. 3)
• Refer to the paper patten for the locations.
• Select the location for each of holes and open the holes
in the ceiling.
Fig. 3
NOTE
• All the above parts are field supplied.
(Use either a M8-M10 size bolt)
Use a hole-in anchor for existing ceilings, and a sunken insert,
sunken anchor or other field supplied parts for new ceilings to
reinforce the ceiling to bear the weight of the unit. Adjust clear-
ance from the false ceiling before proceeding further.
3. Detach the air intake grille and corner covers from the
indoor unit.
• Detach the air intake grille.
(Refer to Fig. 4 and 5)
• Slide the locking knobs (×2) on the air intake grille
inward (direction of arrows) and lift upwards.
Fig. 4
Fig. 5
• Open the air intake grille to a 45
°
angle and detach
from the unit.
• Detach the corner covers.
[TO CHANGE AIR FLOW RATE]
• When shipped from the factory, the shutters on air dis-
charge outlets C and D are closed so that air flow rate is
the same in all four directions.
• Air flow rate can be changed by sliding the shutter.
(Refer to Fig. 6 and 7)
NOTE
• Ilustration seen from ceiling
790
∗∗∗
895
790
∗∗∗
895
30
180
83
33
163
Upward running drain
pipe shown above
A
B
C
D
∗
80 (147)
∗
58 (125)
∗
40 (107)
Drain hose connection (VP20)
Gas pipe
Liquid pipe
Fig. 2
50-100
Ceiling slab
Anchor
False ceiling
Suspension bolt
Long nut or turnbuckle
Air intake
grille
Cornercover (×4)
Hold the indoor unit by the
hanger brackets when carrying.
Shutter
Fig. 6
C
B
D
A
Piping area
Piping area
When shipped from factory
Shutter
Shutter
C
B
A
D
Air discharge outlet
(Indicates drain pan.)
C
B
D
A
B
C
A
D
Moderate
flow rate
Moderate
flow rate
Moderate
flow rate
Moderate flow rate
01_EN_3P249378-5G.fm Page 4 Friday, January 20, 2012 2:01 PM