Preparations Before Installation - Daikin FUY71FJV1 Installation Manual

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)
790∗∗∗
B
Upward running drain
163
pipe shown above
Drain hose connection (VP20)
Fig. 2
∗ 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.
False ceiling
Suspension bolt
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.
English
895
C
D
A
Liquid pipe
Gas pipe
Ceiling slab
Anchor
Long nut or turnbuckle
Fig. 3
Air intake
grille
Cornercover (×4)
Fig. 4
Hold the indoor unit by the
hanger brackets when carrying.
• Open the air intake grille to a 45
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)
Fig. 6
NOTE
• Ilustration seen from ceiling
B
Piping area
Shutter
B
A
Piping area
When shipped from factory
Moderate
flow rate
B
Moderate
flow rate
Moderate
flow rate
B
A
Moderate flow rate
Fig. 5
°
angle and detach
Shutter
C
D
Shutter
A
Air discharge outlet
(Indicates drain pan.)
C
D
C
D
A
C
D
4