Toward indoor unit
≤ 2 m [6.6 ft]
≥ 2 m [6.6 ft]
≥ 0.2 m [0.66 ft]
Oil Trap
(Example 2)
- When connecting the pipes between the outdoor units, the accumu-
lation of oil in the slave outdoor unit should be avoided. Otherwise,
the unit may not operate properly.
(Example 1)
Toward indoor unit
Toward indoor unit
h
h
≥ 0.2 m [0.66 ft]
Toward indoor unit
Toward indoor unit
Oil Trap
Facing
upwards
Facing
downwards
Within ±3° Within ±3°
Viewed from point A
in direction of arrow
Horizontal
plane
Within +/- 10°
A
Insulator
(included with kit)
Liquid and gas
pipe joints
Insulator for
field piping
Tape
(field supply)
Ⓐ To Outdoor Unit
Ⓑ To Branch Piping or Indoor Unit
• Ensure that the branch pipes are attached horizontally or vertically
(see the diagram below.)
• There is no limitation on the joint mounting configuration.
• If the diameter of the refrigerant piping selected by the procedures
described is different from the size of the joint, the connecting sec-
tion should be cut with a pipe cutter.
• Branch pipe should be insulated with the insulator in each kit.
Branch pipe Fitting
• When the number of indoor units to be connected to the branch
pipes is less than the number of branch pipes available for connec-
tion then cap pipes should be fitted to the surplus branches.
Pinched pipe
B
C
Ⓐ To Outdoor Unit
Ⓑ To Indoor Unit
• The indoor unit having larger ca-
pacity must be installed closer
to Ⓐ than smaller one.
• If the diameter of the refrigerant
piping selected by the proce-
dures described is different
from the size of the joint, the
connecting section should be
cut with a pipe cutter.
ⓒ Pipe cutter
• When the number of pipes to be
connected is smaller than the
number of header branches, in-
stall a cap to the unconnected
branches.
• Fit branch pipe lie in a horizontal plane.
Horizontal plane
View from point B in the direction of the arrow
1,MFL67221438,영영 2018. 10. 4. 영영 11:29 Page 16
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