3
2.3 Important Notices
To guarantee the good performance, the unit shall be installed by professional personnel
according to this instruction.
Please contact the local
DELTA
nominated service center before installation. Any malfunction
caused by the unit that is installed not by
DELTA
nominated service center would not be dealt with on
time owing to inconvenience of the business contact.
2.4 Dimension of the Ceiling Opening and Location of the Hoisting Screw (M10)
780(Gaps between hoisting screw rods)
840(Indoor unit)
890*(Ceiling opening)
950(D
ecora
te
d
sur
face
b
oar
d
s
)
950(Decorated surface boards)
890(Ceiling opening)
840(Indoor unit)
680(Gaps between hoisting screw rods)
A
Hoisting screw (X4)
Refrigerant pipe
Installation Dimensions
The drilling of holes in the ceiling must be done by the professional personnel.
(160)
Ceiling
Installation stands for main body of the unit
Above 20
Fig. 2
Note
:
The dimension for the ceiling openings with * marks can be as large as 910mm, but the
overlapping section of the ceiling and the decorated surface boards should be maintained no less
than 20mm.