Table of Contents
Advertisement
PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
38
3 Outdoor Units
Example : 5 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch(Y branch)
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Connection branch pipe between Outdoor
units: ARCNN31
Ⓕ : Connection branch pipe between Outdoor
units: ARCNN21
Ⓖ : Header
Ⓗ : Sealing
4 Outdoor Units
Example : 5 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch(Y branch)
Ⓒ : Y branch
Ⓓ : Indoor Unit
Ⓔ : Connection branch pipe between Outdoor
units: ARCNN41
Ⓕ : Connection branch pipe between Outdoor
units: ARCNN31
Ⓖ : Connection branch pipe between Outdoor
units: ARCNN21
Ⓗ : Header
Ⓘ : Sealing
Refrigerant pipe diameter from branch to branch (B,C)
Downward Indoor Unit
total capacity [kW(Btu/h)]
≤ 5.6(19,100)
< 16.0(54,600)
≤ 22.4(76,400)
< 33.6(114,700)
< 50.4(172,000)
< 67.2(229,400)
< 72.8(248.500)
< 100.8(344,000)
< 173.6(592,500)
< 184.8(630,700)
< 224.0(764,400)
Slave2
10m or
less
h1
F
F
Branch pipe can not be used after header
Slave3
h1
G
G
F
F
10m or
less
Branch pipe can not be used after header
Liquid pipe [mm(inch)]
Ø6.35(1/4)
Ø9.52(3/8)
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)
Ø22.2(7/8)
Ø22.2(7/8)
Slave1
Master
ODU Capacity
Master ≥ Slave1 ≥ Slave2
E
E
L 150m(200m : Conditional application)
40m(90m : Conditional application)
Slave2
Slave1
Master
ODU Capacity
Master ≥ Slave1 ≥ Slave2 ≥ Slave3
E
E
L 150m(200m : Conditional application)
40m(90m : Conditional application)
Gas pipe [mm(inch)]
Ø12.7(1/2)
Ø15.88(5/8)
Ø19.05(3/4)
Ø22.2(7/8)
Ø28.58(1-1/8 )
Ø28.58(1-1/8 )
Ø34.9(1-3/8)
Ø34.9(1-3/8)
Ø41.3(1-5/8)
Ø44.5(1-3/4)
Ø53.98(2-1/8)
Hide quick links:
Advertisement
Table of Contents
