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OUTDOOR INSTALLATION GUIDELINE
1
• Where a wall or other obstacle is in the path of outdoor unit's intake or exhaust airflow, follow the installation guidelines below.
• For any of the below installation patterns, the wall height on the exhaust side should be 47-1/4" (1200mm) or less.
2MX18
Wall facing one side
More than 1-15/16" (50)
More than 3-15/16" (100)
47-1/4"
(1200)
or less
Side view
2
Drain work.
1) Use drain socket for drainage.
2) If the drain port is covered by a mounting base or floor surface,
place additional foot bases of at least 30mm (1-3/16") in height
under the outdoor unit's feet.
3) In cold areas, do not use a drain hose with the outdoor unit.
(Otherwise, drain water may freeze, impairing heating performance.)
3
1) Cut the pipe end with a pipe cutter.
2) Remove burrs with the cut surface facing downward so that
the filings do not enter the pipe.
3) Put the flare nut on the pipe.
4) Flare the pipe.
5) Check that the flaring is properly made.
WARNING
• Do not use mineral oil on flared part.
• Prevent mineral oil from getting into the system as this would
reduce the lifetime of the units.
• Never use piping which has been used for previous installations.
• Only use parts which are delivered with the unit.
• Do never install a drier to this unit in order to guarantee its
lifetime.
• The drying material may dissolve and damage the system.
• Incomplete flaring may cause refrigerant gas leakage.
CAUTION
Do not reuse joints which have been used once already.
INSTALLING OUTDOOR UNIT
Walls facing two sides
More than
More than
5-7/8"
3-15/16"
(150)
(100)
More than
1-15/16" (50)
Top view
DRAIN WORK
FLARING THE PIPE END
Set exactly at the position shown below.
Figure III
Copper Tube
Swaging Block
Flare's inner surface
must be flaw-free
1-12
Walls facing three sides
More than
1-15/
More than
16" (50)
1-15/16" (50)
Drain water hole
Bottom frame
Drain socket
Hose (available commercially, inner dia. 5/8"(16mm))
(Cut exactly at
right angles.)
Remove burrs.
Flaring
Ø Tube, D
D
Inch mm
1/4" 6.35
3/8" 9.52
1/2" 12.70
5/8" 15.88
3/4" 19.05
Check
The pipe end must be evenly
flared in a perfect circle.
Make sure that the flare nut
is fitted.
More than
5-7/8" (150)
More than
11-13/16" (300)
Top view
(Unit: inch (mm))
Inch (mm)
Imperial
Rigid
(Wing-nut Type)
(Clutch Type)
0.051" (1.3)
0.028" (0.7)
0.063" (1.6)
0.039" (1.0)
0.075" (1.9)
0.051" (1.3)
0.087" (2.2)
0.067" (1.7)
0.098" (2.5)
0.079" (2.0)
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