12 Unit installation
Installation and operation manual
16
FXUA50~100AVEB
VRV system air conditioner
3P668115-2C – 2022.01
≥1000
A:
≥30
d e
B:
≥2500
(mm)
A:
≥1500
f
c
b
a
A
Minimum distance to the wall
B
Minimum and maximum distance to the floor
a
Air outlet
b
Air inlet
c
Side with closed air outlet (blocking pad kit required)
d
Indoor unit
e
Obstacles
f
Floor
▪
A: Minimum distance to the wall
. Depends on the airflow
directions towards the wall.
▪ Minimum: 1.5 m in case of an open air outlet. In case of a
closed air outlet, a minimum distance of 30 mm is required.
▪
B: Minimum and maximum distance to the floor
:
▪ Minimum: 2.5 m to avoid accidental touching.
▪ Maximum: Depends on the capacity class. See
23].
INFORMATION
Some options may require additional service space. Refer
to the installation manual of the used option before
installation.
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.
▪
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.
▪ For existing ceilings, use anchors.
▪ For new ceilings, use sunken inserts, sunken anchors or other
field supplied parts.
50
~100
c
b
(mm)
a
d
e
a
Ceiling slab
b
Anchor
c
Long nut or turnbuckle
d
Suspended ceiling
e
Suspension bolt
▪
Suspension bolts and unit.
Use M8~M10 suspension bolts for
installation. Attach the hanger bracket to the suspension bolt. Fix it
securely using a nut and washer on the top and bottom of the
hanger bracket. Attached clamp washer (accessory) can be used
to prevent the washer for hanger bracket (accessory) from falling
during installation. Remove the clamp washer after the unit is
mounted.
b
a
a
Clamp washer (accessory)
b
Washer for hanger bracket (accessory)
a:
950
d:
835
d:
835
a:
950
(mm)
c
b
a2
a1
b
4×
e f g
a1
Top nut (field supply)
a2
Bottom double nut (field supply)
b
Washer for hanger bracket (accessory)
c
Hanger bracket (attached to the unit)
d
Suspension bolt pitch
e
Gas piping
f
Liquid piping
g
Drain connection outlet (VP20)
B
108
88
89
105
141
179
39
171
105
132
140
141 89 88
14
198
34 23
88
120 88
57
120 88
57
(mm)
C
B
A
A
Locations of upward piping and drain connection
B
Locations of rear piping and drain connection
C
Locations of right piping and drain connection
To open the suction cover and remove the corner
cover
1
Remove the transportation tape.
2
Simultaneously slide the two knobs to the centre, open the
suction grille and remove it from the hooks.
