12 Unit installation
Installation and operation manual
13
FXSA15~140A2VEB
VRV system air conditioner
3P599602-1 – 2020.05
a
a
b
a
Air filter holding plate with air filter(s)
b
Interchangeable plate
▪
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.
b
a
c
e
d
a
Anchor
b
Ceiling slab
c
Long nut or turnbuckle
d
Suspension bolt
e
Indoor unit
▪
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.
e:
630
e: A
(mm)
4×
a
b
b
d
c
a
Nut (field supply)
b
Washer (accessories)
c
Hanger bracket
d
Double nut (field supply)
e
Suspension bolt pitch
Class
A (mm)
15~32
588
40~50
738
63~80
1038
100~125
1438
Class
A (mm)
140
1588
▪
Level
. Make sure the unit is level at all four corners using a level
or a water-filled vinyl tube.
b
a
a
Water level
b
Vinyl tube
NOTICE
Do NOT install the unit tilted.
Possible consequence:
If
the unit is tilted against the direction of the condensate flow
(the drain piping side is raised), the float switch might
malfunction and cause water to drip.
12.2.2
Guidelines when installing the ducting
WARNING
Do NOT install operating ignition sources (example: open
flames, an operating gas appliance or an operating electric
heater) in the duct work.
CAUTION
▪ Make sure the installation of the duct does NOT exceed
the setting range of the external static pressure for the
unit. Refer to the technical datasheet of your model for
the setting range.
▪ Make sure to install the canvas duct so vibrations are
NOT transmitted to the duct or ceiling. Use a sound-
absorbing material (insulation material) for the lining of
the duct and apply vibration insulation rubber to the
hanging bolts.
▪ When welding, make sure NOT to spatter onto the
drain pan or the air filter.
▪ If the metal duct passes through a metal lath, wire lath
or metal plate of the wooden structure, separate the
duct and wall electrically.
▪ Install the outlet grille in a position where the airflow will
not come into direct contact with people.
▪ Do NOT use booster fans in the duct. Use the function
to adjust the fan rate setting automatically (see
18]).
The ducting is to be field supplied.
1
Connect the canvas duct to the inside of the flange on both inlet
and outlet side. For connecting the canvas duct, use accessory
screws.
2
Connect the duct to the canvas duct.
a
b
c
b
a
f
f
e
e
d
d
a
Screws for duct flanges (accessory)
b
Flange (located on the unit)
c
Indoor unit
d
Insulation (field supply)
Содержание FXSA15A2VEB
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