ENGLISH
INDOOR/OUTDOOR UNIT INSTALLATION DRAWINGS
55mm or more from ceiling
Caulk pipe hole
gap with putty.
The flare connection should
be installed outdoors.
Front panel
50mm or more from walls
(on both sides)
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.
Air filters
Screws
(M4 x 12L)
Titanium apatite deodorizing filter (2)
Service lid
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.
Wrap the insulation pipe with the
finishing tape from bottom to top.
Titanium apatite
deodorizing filter Air filter
Filter frame
Tab
Refrigerant piping must be protected
from physical damage. Install a plastic
cover or equivalent.
Allow 300mm of work space below
the ceiling surface.
Stop valve cover
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.
Where there is a danger of
Allow space for piping and
the unit falling, use foot bolts. electrical servicing.
*
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.)
4
ARXC20/25/35
ARXC50/60/71
Max. allowable piping length
20m
30m
Min. allowable piping length
**
3m
Max. allowable piping height
15m
20m
Additional refrigerant required for refrigerant pipe
exceeding 7.5m in length
*
17g/m
Gas pipe
3/8 inch (9.5mm)
1/2 inch (12.7mm)
Liquid pipe
1/4 inch (6.4mm)
