Rinnai 29 Multi Split Type AC
INDOOR INSTALLATION
Rinnai 25 Multi Split Type Air Conditioner
INDOOR CASSETTE INSTALLATION
CAUTION
The unit body should align perfectly with the
hole. Ensure that the unit and the hole are the
same size before moving on.
Step 2: Hang indoor unit.
1. Use the included paper template to cut a rectangular hole in the ceiling, leaving at least 1m
on all sides. The hole will be at a diamater of 60x60cm. Be sure to mark the areas where ceiling
hook holes will be drilled.
Refrigerant piping side
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2. Drill 4 holes 5cm 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.
(See figure on right.)
Rinnai 26 Multi Split Type Air Conditioner
5. Mount the indoor unit. You will need two
people to lift and secure it. Insert suspension
bolts into the unit’s hanging holes. Fasten
them using the included washers and nuts
(See Fig below).
CAUTION
Ensure that the unit is completely level. Improper
installation can cause the drain pipe to back up
into the unit or water leakage.
NOTE: Ensure that the indoor unit is level. The
unit is equipped with a built-in drain pump and
oat switch. If the unit is tilted against the
direction of condensate ows (the drainpipe
side is raised), the oat switch may malfunction
and cause water to leak.
NOTE FOR NEW HOME INSTALLATION
When installing the unit in a new home, the
ceiling hooks can be embedded in advance.
Make sure that the hooks do not come loose
due to concrete shrinkage. After installing the
indoor unit, fasten the installation paper
template onto the unit with bolts (M6X12) to
determine in advance the dimension and
position of the opening on the ceiling. Follow
the instructions above for the remainder of the
installation.
Installation template
M6 x 12 Bolts
Main body
NOTE:The bottom of the unit should be 24mm
higher than the ceiling board. Generally, ‘L’
(indicated in figure below) should be half the
length of the suspension bolt or long enough to
prevent the nuts from coming off.
Wall
Main body
L
24mm
Ceiling board
INDOOR CASSETTE INSTALLATION
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