16 | Unit installation
Installer and user reference guide
47
FXDA10~63A2VEB
VRV system air conditioner
4P599621-1A – 2020.10
NOTICE
The equipment described in this manual may cause electronic noise generated from
radio-frequency energy. The equipment complies to specifications that are designed
to provide reasonable protection against such interference. However, there is no
guarantee that interference will not occur in a particular installation.
It is therefore recommended to install the equipment and electric wires in such a
way that they keep a proper distance from stereo equipment, personal computers,
etc.
In places with weak reception, keep distances of 3 m or more to avoid
electromagnetic disturbance of other equipment and use conduit tubes for power
and transmission lines.
▪ Take care that in the event of a water leak, water cannot cause any damage to
the installation space and surroundings.
▪ Choose a location where the operation noise or the hot/cold air discharged from
the unit will not disturb anyone.
▪ Air flow. Make sure nothing blocks the air flow.
▪ Drainage. Make sure condensation water can be evacuated properly.
▪ Ceiling insulation. When conditions in the ceiling exceed 30°C and a relative
humidity of 80%, or when fresh air is inducted into the ceiling, then additional
insulation is required (minimum 10mm thickness, polyethylene foam).
▪ Protective guards. Make sure to install protective guards (field supply) on the
suction and discharge side to prevent somebody from touching the fan blades or
heat exchanger.
▪ Spacing. Mind the following requirements:
c c
d
≥620
200
e ≥240
A
≥20
≥300
b
≥300
b
f
a
(mm)
≥400
A Minimum distance to the floor:
2.7m to avoid accidental touching.
2.5m in case the fan is covered (e.g. false ceiling, grille, …)
a Control box
b Maintenance space
c Ceiling
d Ceiling opening
e Select the dimension to ensure downward slope of at least 1/100
f Floor surface
▪ Discharge grille. Minimum requirement installation height of discharge grille
≥1.8m.
▪ Ceiling opening size. Make sure the ceiling opening is within the following limits:
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