Daikin FXTQ50A2VEB, Installation And Operation Manual

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3
Standard rear suction (See figure 6a)
Installation with rear duct and duct service opening (See
figure 6b)
Installation with rear duct, no duct service opening (See
figure 6c)
Mounting the air inlet panel with a canvas connection (See
figure 7a)
Mounting the air inlet panel directly (See figure 7b)
Bottom suction (See figure 7c)
2 The fan speed for this indoor unit is preset to provide standard
external static pressure.
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 3)
Indoor 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 4)
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 9 .
3 Tighten the upper nut.
Installing the duct
Connect the duct supplied in the field.
Air inlet side
- Attach the duct and intake-side flange (field supply).
- Connect the flange to the main unit with accessory screws
(7).
- Wrap the intake-side flange and duct connection area with
aluminum tape or something similar to prevent air escaping.
1 Ceiling surface
2 Ceiling opening
3 Service access panel (optional accessory)
4 Air filter
5 Air inlet duct
6 Duct service opening
7 Interchangeable plate
NOTE
Before installation of the unit (in case of installation
with duct, but no duct service opening): modify the
position of the air filters.
1 Remove the air filter(s) at the
outside of the unit
2 Remove the interchangeable
plate
3 Install the air filter(s) from the
inside of the unit
4 Reinstall the interchangeable
plate
NOTE When installing an air inlet duct, select fixing screws
that shall stick out maximum 5 mm at the inside of the
flange to protect the air filter from damage during
maintenance of the filter.
1 Air inlet duct
2 Inside of the flange
3 Fixing screw
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 (mm)
50 1460
63 1610
NOTE The unit can be used with bottom suction by replacing
the interchangeable plate by the air filter holding plate.
1
2
4
3
1 2
3
≤
5 mm
1 Air filter holding plate with air filter(s)
2 Interchangeable plate
NOTE For other installation than standard installation, contact
your Daikin dealer for details.
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.
 For other installation than standard installation,
contact your dealer for details.
1 Nut (field supply)
2 Washer for hanger bracket (supplied with the unit)
3 Tighten (double nut)
1 Water level
2 Vinyl tube
When attaching a duct to the intake side, be sure to attach
an air filter inside the air passage on the intake side. (Use
an air filter whose dust collecting efficiency is at least 50%
in a gravimetric technique.)
The included filter is not used when the intake duct is
attached.