11
Installation Procedure
English
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.
1 way Cassette 4 way Cassette
D
A
E
B
C
Insulate the end of the pipe and some curved area by using separate insulator.
NOTE
ŷ 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.)
(Unit: mm)
Indoor unit A B C D E
4 way Cassette <S>
(840x204x840)
AC052RN4DKG
910x151 940x151 610x151 650x151 870x870
AC071RN4DKG
4 way Cassette <L>
(840x288x840)
AC100RN4DKG
910x235 940x235 610x235 650x235 870x870
AC120RN4DKG
4 way Cassette <L+>
(840x288x840)
AC140RN4DKG
1 way Cassette
(970x135x410)
AC026RN1DKG
990x155 990x155 430x155 430x155 990x430
AC035RN1DKG