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English
INDOOR/OUTDOOR UNIT INSTALLATION DRAWINGS
The service lid is removable
Opening method
1) Remove the service
lid screws
2) Pull out the service lid
diagonally down in the
direction of the arrow.
3) Pull down.
Service lid
2-3/16" (55mm) or more
from ceiling
Caulk pipe
hole gap
with putty.
Cut thermal insulation pipe
to an appropriate length and
wrap it with tape, making
sure that no gap is left in the
insulation pipe’s cut line.
Wrap the insulation pipe
with the
fi
nishing tape from
bottom to top.
Refrigerant piping must be
protected from physical damage.
Install a plastic cover or equivalent.
Allow space for piping
and electrical servicing.
Where there is a danger of
the unit falling, use foot bolts.
Allow 11-13/16" (300mm) of work
space below the ceiling surface.
Air filters
Front panel
Air filter
Filter frame
Tab
Titanium apatite
deodorizing filter
Titanium apatite deodorizing filter (2)
Screws
(M4 x 12L)
1-15/16" (50mm) or more
from walls (on both sides)
How to remove the stop valve cover.
• Remove the screw on the stop
valve cover.
• Slide the lid downward to
remove it.
How to attach the stop valve cover.
• Insert the upper part of the stop
valve cover into the outdoor
unit to install.
• Tighten the screws.
Stop valve cover
19-11/16” (500mm) from wall
RX/RK09
RX/RK12
RX/RK18
RX/RK24
Max. allowable piping length
65-5/8 ft (20m)
98-1/2 ft (30m)
Min. allowable piping length
10 ft (3m)
Max. allowable piping height
49-1/4 ft (15m)
65-5/8 ft (20m)
Additional charge required for refrigerant
pipe exceeding 30ft in length
0.21 oz/ft (20g/m)
Gas pipe
3/8 inch (9.52mm)
1/2 inch (12.7mm)
5/8 inch (15.88mm)
Liquid pipe
1/4 inch (6.35mm)
* Be sure to add the proper amount of additional refrigerant.
Failure to do so may result in reduced performance.
** The suggested shortest pipe length is 10ft (3m), in order to avoid noise from the outdoor unit and vibration.
(Mechanical noise and vibration may occur depending on how the unit is installed and the environment in which it is used.)
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2/28/2020 6:27:15 PM
2/28/2020 6:27:15 PM