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Installation of Condensing Unit at
the appropriate places
• The place where is not near the
gas area of potentially hazardous
situations.
• Isolated place to avoid noise and
heat disturbing to neighbourhood
• Convenient places for inspection
or reparation
Refrigerant Tube Size Selection
To select tube size is necessary to
consider many factors such as:
velocity of refrigerant, number of tube
connector, bended joint and length of
refrigerant tube. Therefore, for quick
selection size of refrigerant tube,
see the detail below:-
Refrigerant tube size for Trane Air-conditioning (size 7,000-60,000 Btu/h)
Domestic
Tubing Length (m) /Tubing size (inch)
Model
WTK507
WTK509
WTK512
WTK518
WTK524
WTK530
WTK536
WTK048
WTK060
Export
Tubing Length (m) /Tubing size (inch)
Model
WTK507
WTK509
WTK512
WTK518
WTK524
WTK530
WTK536
WTK048
WTK060
WTK-SVN001-EN
Location and Preparation of Unit
More than 10 cm
More than 35 cm
Minimum 12 m
13 - 18 m
Liquid Line Suction Line Liquid Line Suction Line Liquid Line Suction Line Liquid Line Suction Line Liquid Line Suction Line
1/4
3/8
1/4
1/4
3/8
1/4
3/8
5/8
3/8
3/8
5/8
3/8
3/8
5/8
3/8
3/8
5/8
3/8
3/8
3/4
3/8
1/2
7/8
1/2
1/2
7/8
1/2
Minimum 12 m
13 - 18 m
Liquid Line Suction Line Liquid Line Suction Line Liquid Line Suction Line Liquid Line Suction Line Liquid Line Suction Line
1/4
3/8
1/4
1/4
3/8
1/4
1/4
1/2
1/4
1/4
1/2
3/8
3/8
5/8
3/8
3/8
5/8
3/8
3/8
3/4
3/8
3/8
1 1/8
3/8
3/8
1 1/8
3/8
More than 15 cm
Figure 1
19 - 24 m
3/8
1/4
3/8
3/8
1/4
3/8
5/8
3/8
5/8
5/8
3/8
5/8
5/8
3/8
3/4
5/8
3/8
3/4
3/4
3/8
3/4
7/8
1/2
7/8
7/8
1/2
1 1/8
19 - 24 m
3/8
1/4
3/8
3/8
1/4
3/8
1/2
1/4
1/2
5/8
3/8
5/8
5/8
3/8
3/4
5/8
3/8
3/4
3/4
3/8
3/4
1 1/8
3/8
1 1/8
1 1/8
3/8
1 1/8
More than 35 cm
More than 35 cm
25 - 30 m
31 - 36 m
1/4
1/2
1/4
1/4
1/2
1/4
3/8
5/8
3/8
3/8
5/8
3/8
3/8
3/4
3/8
3/8
3/4
3/8
3/8
7/8
3/8
1/2
7/8
1/2
1/2
1 1/8
1/2
25 - 30 m
31 - 36 m
1/4
1/2
1/4
1/4
1/2
1/4
1/4
1/2
1/4
3/8
5/8
3/8
3/8
3/4
3/8
3/8
3/4
3/8
3/8
7/8
3/8
3/8
1 1/8
3/8
3/8
1 1/8
3/8
1/2
1/2
5/8
5/8
3/4
3/4
7/8
1 1/8
1 1/8
1/2
1/2
1/2
5/8
3/4
3/4
7/8
1 1/8
1 1/8
5
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