16 | Unit installation
Installer and user reference guide
42
FXMQ-A
VRV system air conditioner
4P701548-1 – 2022.07
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
a 1490
b ≥650
b ≥1143
±150
(mm)
c
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.
16.2 Mounting the indoor unit
16.2.1 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.
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.
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