FXSQ20~125M7V1B
VRV System air conditioner
4PW15110-1
Installation and operation manual
3
Bottom suction
(See figure 7a)
Mounting the air inlet panel with a canvas connection
(See
figure 7b)
Mounting the air inlet panel directly
(See figure 7c)
This is to protect the air filter from damage during maintenance of the
filter.
For other installation than standard installation, contact your Daikin
dealer for details.
2
The fan speed for this indoor unit is preset to provide standard
external static pressure.
If higher or lower external static pressure is required, reset the external
static pressure by repositioning the adaptors of the PC-board.
Refer to
"Setting of static pressure changeover connector" on
page 6
.
3
Install the suspension bolts.
(Use M10 size bolt for the suspension bolt.) Use anchors for
existing ceilings, and a sunken insert, sunken anchors or other
field supplied parts for new ceilings to reinforce the ceiling in
order to bear the weight of the unit.
Installation example
(See figure 4)
I
NDOOR UNIT INSTALLATION
When installing optional accessories (except for the air inlet panel),
read also the installation manual of the optional accessories.
Depending on the field conditions, it may be easier to install optional
accessories before the indoor unit is installed.
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.
(See figure 5)
2
Check if the unit is horizontally levelled.
-
Do not install the unit tilted. The indoor unit is equipped with a
built-in drain pump and float switch. (If the unit is tilted
against condensate flow, the float switch may malfunction
and cause water to drip.)
-
Check if the unit is levelled at all four corners with a water
level or a water-filled vinyl tube as shown in
figure 13
.
3
Tighten the upper nut.
4
Fix the paper pattern for installation.
-
The paper pattern for installation corresponds with the
measurements of the ceiling opening. Consult the builder for
details.
-
Attach the paper pattern for installation to the unit with the
attached screws as shown in
figure 17
.
The paper pattern for installation is marked for 3 types of
ceiling openings. Read the notations carefully when
installing.
R
EFRIGERANT PIPING WORK
For refrigerant piping of outdoor unit, refer to the installation manual
supplied with the outdoor unit.
Before rigging tubes, check which type of refrigerant is used.
■
Use a pipe cutter and flare suitable for the used refrigerant.
■
Apply ether oil or ester oil around the flare portions before
connecting.
■
To prevent dust, moisture or other foreign matter from infiltrating
the tube, either pinch the end, or cover it with tape.
■
The outdoor unit is charged with refrigerant.
NOTE
The unit can be used with bottom suction by replacing
the interchangeable plate by the air filter holding plate.
1
Air filter holding plate with air filter(s)
2
Interchangeable plate
3
Small bottom plate
1
Ceiling surface
2
Ceiling opening
3
Air inlet panel (Optional accessory)
4
Indoor unit (Back side)
5
Canvas connection for air inlet panel (Optional accessory)
Model
A
FXSQ20•25•32
610
FXSQ40•50
760
FXSQ63
1060
FXSQ80•100•125
1460
NOTE
When installing an air inlet duct, select fixing screws
that shall stick out maximum 5 mm at the inside of the
flange.
1
Air inlet duct
2
Inside of the flange
3
Fixing screw
1
2
3
≤
5 mm
1
Anchor
2
Ceiling slab
3
Long nut or turn-buckle
4
Suspension bolt
5
Indoor unit
NOTE
All the above parts are field supplied.
1
Nut (field supply)
2
Washer for hanger bracket (supplied with the unit)
3
Tighten (double nut)
1
Water level
2
Vinyl tube
1
Paper pattern for installation (supplied with the unit)
2
Screws for fixing the paper pattern for installation (supplied with
the unit (6))
NOTE
All field piping must be provided by a licensed
refrigeration technician and must comply with the
relevant local and national codes.
