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12 Unit installation
Service space and ceiling opening size
Make sure ceiling opening is big enough to ensure a sufficient
clearance for maintenance and service.
Top view:
a 1100
b ≥1143
a
Ceiling opening
b
Service space
c
Inspection hatch (600×600 mm)
INFORMATION
Some options may require additional service space. Sees
the installation manual of the used option before
installation.
12.2
Mounting the indoor unit
12.2.1
Guidelines when installing the indoor unit
▪ 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
d
e
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.
Installation and operation manual
12
c
(mm)
e 1028
a
b
c
b
d
a
Nut (field supply)
b
Washer (accessories)
c
Hanger bracket
d
Double nut (field supply)
e
Suspension bolt pitch
▪ Install the unit temporarily.
1 Attach the hanger bracket to the suspension bolt.
2 Fix it securely.
▪ 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
3 Tighten the upper nut.
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.
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.
INFORMATION
For installation of the optional 8 mm pre-filter see the
reference guide located on https://www.daikin.eu. Use the
search function
to find your model.
12.2.2
Guidelines when installing the ducting
CAUTION
In case of installation WITHOUT the duct on inlet side,
make sure to install the air filter. For more information refer
to the option list of the indoor unit.
FXMQ-A
VRV system air conditioner
3P701545-1 – 2022.07
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