Installation Procedures For Fresh Air Intake Duct Connection; Indoor Unit Installation - Daikin FXFQ12MVJU Installation Manual

(2) Make the ceiling opening needed for installation where
applicable. (For existing ceilings)
• Refer to the paper pattern for installation 5) for ceiling
opening dimensions.
• Create the ceiling opening required for installation. From
the side of the opening to the casing outlet, implement
the refrigerant and drain piping and wiring for remote con-
troller (unnecessary for wireless type) and indoor-out-
door unit casing outlet. Refer to each PIPING or WIRING
section.
• After making an opening in the ceiling, it may be neces-
sary to reinforce ceiling beams to keep the ceiling level
and to prevent it from vibrating. Consult the builder for
details.
(3) Install the suspension bolts.
(Use either a W3/8" or 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 clearance from the ceiling before proceeding further.
5. INSTALLATION PROCEDURES FOR
FRESH AIR INTAKE DUCT CONNECTION
(1) Cut off the knockout hole on the side plate.
Then, cut the inner insulation of the hole portion.
(Refer to Fig. 1)
(2) Adhere the insulation for opening of unit to the opening.
(Refer to Fig. 2)
6
6.

INDOOR UNIT INSTALLATION

Installing optional accessories (except for the decoration
panel) before installing the indoor unit is easier. However,
for existing ceilings, install fresh air inlet component kit
and branch duct before installing the unit.
(1) Install the indoor unit temporarily.
• Attach the hanger bracket to the suspension bolt. Be sure
to fix it securely by using a nut and washer from the upper
and lower sides of the hanger bracket.
The washer fixing plate 7) will prevent the washer from
falling.