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Spacing requirements
A
1500 mm or more
Obstruction
AC052NN4DKH
Model
AC071NN4DKH
A
C
C
C: 1500 mm or more
CAUTION
• The indoor unit must be installed according to the
specified distances in order to permit accessibility
from each side, to guarantee correct operationfssss,
maintenance, and repair of the unit. The components
of the indoor unit must be reachable and removable
under safe conditions for people and the unit.
• Do not hold the discharge while carrying the indoor
unit to avoid the possibility of breakage.
• You must hold the hanger plate on the corner and
carry the indoor unit.
1500 mm or more
17 mm
20 mm
(Unit: mm)
AC090NN4DKH
AC100NN4DKH
AC120NN4DKH
AC140NN4DKH
251
335
C
C
Step 3 Optional: Insulating the body of
the indoor unit
If you install a cassette type indoor unit on the ceiling
when temperature is over 27°C and humidity is over
80%, you must apply an extra 10 mm thick polyethylene
insulation or a similar type of insulation to the body of the
indoor unit.
Cut away the part where pipes are pulled out for the
insulating work.
D
A
Insulate the end of the pipe and some curved area by
using separate insulator.
NOTE
• A: Reference for the outer circumference of the unit
(When insulating the body of the indoor unit, use A as
the reference for its outer circumference.)
Indoor unit
AC052NN4DKH
4 way Cassette <S>
910X151 940X151 610X151 650X151 870X870
(840x204x840)
AC071NN4DKH
AC090NN4DKH
4 way Cassette <L>
AC100NN4DKH
(840x288x840)
910X235 940X235 610X235 650X235 870X870
AC120NN4DKH
4 way Cassette <L+>
AC140NN4DKH
(840x288x840)
E
B
C
(Unit: mm)
A
B
C
D
E
English
7
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