9
Installation Guideline
Installation Guideline
Installation Diagram
Refrigerant Piping
Air filters
Screws
(M4 x 12L)
Front panel
55mm or more from ceiling
50mm or more from walls
(on both sides)
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.
500mm from wall
Service lid
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.
Caulk pipe
hole gap
with putty.
Wrap the insulation pipe with
the finishing tape from bottom
to top.
Refrigerant piping must be protected
from physical damage. Install a plastic
cover or equivalent.
Allow 300mm of work space
below the ceiling surface.
Where there is a danger of the
unit falling, use foot bolts.
Allow space for piping and
electrical servicing.
The flare connection should
be installed outdoors.
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
Indoor
roodtuO
Max. allowable piping length
Min. allowable piping length
**
Max. allowable piping height
Additional refrigerant required for
refrigerant pipe exceeding 7.5m in length
*
Liquid pipe
*
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.)
FTV28/35A
or
FTV28/35P
RV28/35A
or
RV28/35F
25m
FTV50P
RV50C
30m
FTV50A
RV50A
30m
3m
FTV60P
RV60C
FTV60A
RV60A
30m30m
15m 15m20m 15m20m
17g/m 17g/m13g/m 17g/m17g/m
3/8 inch
(9.52mm)
1/2 inch
(12.7mm)
1/2 inch
(12.7mm)
1/4 inch (6.35mm)
1/2 inch
(12.7mm)
FTV85PS
RC85A
50m
30m
40g/m
5/8 inch
(15.88mm)
3/8 inch
(9.52mm)
1/2 inch
(12.7mm)
Gas Pipe
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