Rotenso ANERU Series, Service Manual

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 3. IDU Installation-Cassette 
3. Indoor Unit Installation(Super-slim
Cassette Type)
3.1 Service space for indoor unit
＞ 400cm / 157.5”
＞
200cm / 78.7”
＞ 150cm / 59.1”
＞ 150cm / 59.1”
( 200cm / 78.7”
recommended
)
Ceiling
Ground
Indoor unit Indoor unit
Illumination
Ventilator
>230cm / 90.6”
Ceiling
H
Front panel
Ceiling board
B (Ceiling hole)
Ceiling
A
Capacity
(kBtu/h)
A(mm/inch) H(mm/inch) B(mm/inch)
24 204/8.03 >230/9.06
900/35.4 30/36 245/9.65 >271/10.7
42~55 287/11.3 >313/12.3
3.2 Hang Indoor Unit
1. Use the included paper template to cut a rectangular
hole in the ceiling, leaving at least 1m (39.4”) on all sides.
The cut hole size should be 4cm(1.6”) larger than the body
size.
Be sure to mark the areas where ceiling hook holes will be
drilled.
770mm / 30.3” (Suspension bolt)
830mm / 32.7”(Body)
900mm / 35.4”(Ceiling opening)
950mm / 37.4”(Panel)
950mm / 37.4”(Panel)
670mm / 26.4”
(Suspension bolt)
830mm / 32.7” (Body)
900mm / 35.4” (Ceiling opening)
Refrigerant piping side Drain hose side
2. Drill 4 holes 12cm-15.5cm (4.7”-6.1”) deep at the ceil-
ing hook positions in the internal ceiling. Be sure to hold
the drill at a 90° angle to the ceiling.
3. Using a hammer, insert the ceiling hooks into the pre-
drilled holes. Secure the bolt using the included washers
and nuts.
4. Install the four suspension bolts
5. Mount the indoor unit. You will need two people to lift
and secure it. Insert suspension bolts into the unit’s hang-
ing holes. Fasten them using the included washers and
nuts
Adjust the position to ensure the gaps between the indoor
unit and the four sides of false ceiling are even. The
bottom of the unit should be 10 - 25mm (0.4-0.98”)
higher than ceiling board.
Generally, L should be half the length of the suspension
bolt or long enough to prevent the nuts from coming off