PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
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ENGLISH
Refrigerant pipe diameter from branch to branch (B,C)
Downward Indoor Unit
total capacity [kW(Btu/h)]
Liquid pipe [mm(inch)] Gas pipe [mm(inch)]
≤ 5.6(19,100)
Ø6.35(1/4) Ø12.7(1/2)
< 16.0(54,600) Ø9.52(3/8) Ø15.88(5/8)
≤ 22.4(76,400)
Ø9.52(3/8) Ø19.05(3/4)
< 36.4(124,200) Ø9.52(3/8) Ø22.2(7/8)
Refrigerant pipe diameter from outdoor unit to first branch. (A)
Outdoor unit
total capacity(HP)
Liquid pipe [mm(inch)] Gas pipe [mm(inch)]
4 Ø9.52(3/8) Ø15.88(5/8)
5 Ø9.52(3/8) Ø15.88(5/8)
6 Ø9.52(3/8) Ø19.05(3/4)
8 Ø9.52(3/8) Ø19.05(3/4)
10 Ø9.52(3/8) Ø22.2(7/8)
12 Ø12.7(1/2) Ø28.58(11/8)
1,MFL67798020, 2018. 4. 26. 7:06 Page 37
www.lgcomfortcooling.co.uk
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