34
PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
ENGLISH
(Table 2) Refrigerant pipe diameter from outdoor unit to first branch. (A)
(Table 3) Refrigerant pipe diameter from first branch to last branch (B,C,D)
Upward
Outdoor unit
total capacity
Standard Pipe
Diameter
Increased Pipe Diameter
When equivalent pipe length is 90 m
or more from ODU to farthest IDU
When level difference is
50 m or more
HP
Liquid pipe
[mm(inch)]
Gas pipe
[mm(inch)]
Liquid pipe
[mm(inch)]
Gas pipe
[mm(inch)]
Liquid pipe
[mm(inch)]
Gas pipe
[mm(inch)]
8
Ø 9.52(3/8)
Ø 19.05(3/4)
Ø 12.7(1/2)
Ø 22.2(7/8)
Ø 12.7(1/2)
not increased
10
Ø 9.52(3/8)
Ø 22.2(7/8)
Ø 12.7(1/2)
Ø 25.4(1)
Ø 12.7(1/2)
not increased
12 ~ 14
Ø 12.7(1/2)
Ø 28.58(1-1/8) Ø 15.88(5/8)
not increased
Ø 15.88(5/8)
not increased
16
Ø 12.7(1/2)
Ø 28.58(1-1/8) Ø 15.88(5/8)
Ø 31.8(1-1/4)
Ø 15.88(5/8)
not increased
18 ~ 22
Ø 15.88(5/8) Ø 28.58(1-1/8) Ø 19.05(3/4)
Ø 31.8(1-1/4)
Ø 19.05(3/4)
not increased
24
Ø 15.88(5/8)
Ø 34.9(1-3/8)
Ø 19.05(3/4)
not increased
Ø 19.05(3/4)
not increased
26 ~ 34
Ø 19.05(3/4)
Ø 34.9(1-3/8)
Ø 22.2(7/8)
Ø 38.1(1-1/2)
Ø 22.2(7/8)
not increased
36 ~ 60
Ø 19.05(3/4)
Ø 41.3(1-5/8)
Ø 22.2(7/8)
not increased
Ø 22.2(7/8)
not increased
62 ~ 64
Ø 22.2(7/8)
Ø 44.5(1-3/4)
Ø 25.4(1)
Ø 53.98(2-1/8)
Ø 25.4(1)
not increased
66 ~ 88
Ø 22.2(7/8)
Ø 53.98(2-1/8)
Ø 25.4(1)
not increased
Ø 25.4(1)
not increased
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)
< 33.6 (114,700)
Ø9.52(3/8)
Ø22.2(7/8)
< 50.4 (172,000)
Ø12.7(1/2)
Ø28.58(1-1/8)
< 67.2 (229,400)
Ø15.88(5/8)
Ø28.58(1-1/8)
< 72.8(248,500)
Ø15.88(5/8)
Ø34.9(1-3/8)
< 100.8(344,000)
Ø19.05(3/4)
Ø34.9(1-3/8)
< 173.6(592,500)
Ø19.05(3/4)
Ø41.3(1-5/8)
< 184.8(630,700)
Ø22.2(7/8)
Ø44.5(1-3/4)
≤
252.0(859,600)
Ø22.2(7/8)
Ø53.98(2-1/8)
Содержание MULTI V IV PRO ARUV840LLN4
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