12 Unit installation
Installation and operation manual
13
FDA125A5VEB
Split system air conditioners
4P494410-1D – 2022.10
680
c
b
a
A
d
a
B
b c
680
200
<45
d
e
f
g
a
C
bc
680
d
e
f
A
Standard rear suction
B
Installation with rear duct and duct service opening
C
Installation with rear duct, no duct service opening
a
Ceiling surface
b
Ceiling opening
c
Service access panel (field supply)
d
Air filter
e
Air inlet filter
f
Duct service opening
g
Interchangeable plate
12.2
Mounting the indoor unit
12.2.1
Guidelines when installing the indoor unit
INFORMATION
Optional equipment.
When installing optional equipment,
also read the installation manual of the optional equipment.
Depending on the field conditions, it might be easier to
install the optional equipment first.
▪
In case of installation with duct, but no duct service opening.
Modify the position of the air filters.
1
2
4
3
1
Remove the air filter(s) from the outside of the unit.
2
Remove the interchangeable plate.
3
Install the air filter(s) on the inside of the unit.
4
Reinstall the interchangeable plate.
▪ When installing an air inlet duct, select fixing screws that stick out
5 mm on the inside of the flange to protect the air filter from
damage during maintenance of the filter.
a
b
c
5 mm
a
Air inlet duct
b
Inside of the flange
c
Fixing screw
▪
Ceiling strength
. Check whether the ceiling is strong enough to
support the weight of the unit. If there is a risk, reinforce the ceiling
before installing the unit.
▪
Installation options
:
b c
a
A
180
460
1460
160
(160~300)
425
e
d
A
Mounting the air inlet with a canvas connection
a
Ceiling surface
b
Ceiling opening
c
Air inlet panel (field supply)
d
Indoor unit (back side)
e
Canvas connection for air inlet panel (field supply)
INFORMATION
The unit can be used with bottom suction by replacing the
interchangeable plate by the air filter holding plate.
b
a
a
a
Air filter holding plate with air filter(s)
b
Interchangeable plate
▪
Suspension bolts.
Use M10 suspension bolts for installation.
Attach the hanger bracket to the suspension bolt. Fix it securely
using a nut and washer from the upper and lower sides of the
hanger bracket.
▪
Ceiling opening size.
Make sure the ceiling opening is within the
following limits:
Summary of Contents for FDA125A5VEB
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