Rotenso ANERU Series, Service Manual

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 3. IDU Installation-Cassette 
3. Indoor Unit Installation(Compact
Cassette Type
)
3.1 Service space for indoor unit
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.
1 Suspension bolt pitch dimensions
2 Body dimensions
3 Decoration panel dimensions
4 Refrigerant piping
5 Suspension bolt (×4)
6 Ceiling opening dimensions
7 Hanger bracket
8 Ceiling board
2. Drill 4 holes 5cm (2”) deep at the ceiling 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