11
1-6. Tubing Size
■
Table 3 : Main Tubing Size (LA)
Outdoor unit horsepower
4 HP
5 HP
6 HP
Gas tube
ø15.88
Flare connection
Liquid tube
ø9.52
Flare connection
* The refrigerant tubing should be used with R410A refrigerant.
■
Table 4 : Main Tubing Size After Distribution (LB, LC...)
Total capacity after distribution
Below kW
7.1
(2.5 HP)
–
Over kW
–
7.1
(2.5 HP)
Tubing size
Gas tube
ø12.7
ø15.88
Liquid tube
ø9.52
ø9.52
Note:
In case the total capacity of indoor units connected after distribution exceeds the capacity of the outdoor unit, select the main
tubing size for the capacity of the outdoor unit.
■
Table 5 : Indoor Unit Tubing Connection Size
Indoor unit type
22
28
36
45
56
60
71
73
90
106
112
140
160
Gas tube (mm)
ø12.7
ø15.88
Liquid tube (mm)
ø6.35
ø9.52
Unit: mm
Unit: mm
Gas tube
Liquid tube
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2017/7/5 13:41:24
