7.1.4 Outdoor Unit Connection
➲ Refrigerant pipe diameter before 1st branch (A,E,F) Upward Outdoor Unit total capacity [HP] 8 10 12, 16 18~22 24 26~34 36
Liquid pipe [mm(inch)] Ø9.52(3/8) Ø9.52(3/8) Ø12.7(1/2) Ø15.88(5/8) Ø15.88(5/8) Ø19.05(3/4) Ø19.05(3/4)
Gas pipe [mm(inch)] Ø19.05(3/4) Ø22.2(7/8) Ø28.58(11/8) Ø28.58(11/8) Ø34.9(13/8) Ø34.9(13/8) Ø41.3(15/8)
* High/Low Pressure Common Pipe: Ø19.05(18HP or more)
◆ Indoor Unit Connection ➲ Indoor Unit connecting pipe from branch (a,b,c,d,e,f)
21
Indoor Unit 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)
Installation