Indoor Unit Installation - Daikin FCQ18PVJU Installation Manual

Insulation
(field supply)
Put the insulation tightly around the hole of the unit as
shown. The ends of the side plate and the inner
insulation must be completely adhered without leaving
any clearance along the circumference of the hole.
Inner insulation
Edge
Approx. 3/8
Make sure the inner surface of insulation tightly contacts
with the inner insulation edge and the side plate.
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 fi x it securely by using a nut and washer from
the upper and lower sides of the hanger bracket.
The washer fi xing plate (7) will prevent the washer from
falling.
Part to be procured in the field
Washer (3) (accessory)
Tighten
(double nut)
[Securing the hanger bracket]
Washer fixing plate (7)
[Securing the washer]
English
Side plate
Insulation
(length: in.)
Fig. 2
Hanger bracket
Insert
(accessory)
6-1 For new ceilings
(2) • Refer to the paper pattern for installation (5) for ceiling
opening dimension.
Consult the builder or carpenter for details.
• The center of the ceiling opening is indicated on the
paper pattern for installation.
The center of the unit is indicated on the label attached
to the unit and on the paper pattern for installation.
• After removing the packaging material from the 4 cor-
ners of the paper pattern for installation (5), fi x the
paper pattern to the unit with screws (6) (×4).
• Ceiling height is shown on the side of the paper pattern
for installation (5). Adjust the height of the unit according
to this indication.
Only the corner where the pipes go out, the
screw is already fixed at the drain pan.
Center of ceiling opening
Screw (6)
(accessory)
〈Ceiling work〉
(3) Adjust the unit to the right position for installation.
(Refer to "PREPARATIONS BEFORE INSTALLA-
TION-(1)".) (Page 4)
(4) Check the unit is horizontally level.
• The indoor unit is equipped with a built-in drain
pump and fl oat switch. At each of the unit's 4 cor-
ners, verify that it is level by using a water-level or a
water-fi lled vinyl tube.
(If the unit is inclined against condensate fl ow, the
fl oat switch may malfunction and cause water to
drip.)
(5) Remove the washer fi xing plate (7) used for preventing the
washer from falling and tighten the upper nut.
(6) Remove the paper pattern for installation (5).
Water level
6-2 For existing ceilings
(2) Adjust the height and position of the unit.
(Refer to "PREPARATIONS BEFORE INSTALLA-
TION-(1)".)
(3) Perform steps (4), (5) in "6-1 For new ceilings".
Paper pattern for
installation (5)
(accessory)
Screw (6)
(accessory)
Vinyl tube
6