2-6. Piping design example
¢
Example 1
b
a
a1 b1 c1 d1 e1 f1 g1
c d e f g h
1 8
BP1 BP2 BP3 BP4 BP5 BP6 BP7
Indoor
unit
93.5 kBtu/h
81.5 kBtu/h 69.5 kBtu/h 57.5 kBtu/h 45.5 kBtu/h 33.5 kBtu/h
21.5 kBtu/h
12 kBtu/h
9.5 kBtu/h
9.5 kBtu/h
Total cooling capacity of indoor units connected downwards to the pipe
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Indoor
unit
Outdoor
unit
2
12 kBtu/h
3
12 kBtu/h
4
12 kBtu/h
5
12 kBtu/h
6
12 kBtu/h
7
12 kBtu/h
• System configuration
Indoor unit Model name Capacity (kBtu/h)
1 ARUL12TLAV2 12.0
2 ARUL12TLAV2 12.0
3 ARUL12TLAV2 12.0
4 ARUL12TLAV2 12.0
5 ARUL12TLAV2 12.0
6 ARUL12TLAV2 12.0
7 ARUL12TLAV2 12.0
8 ARUL9TLAV2 9.5
Total capacity 93.5
Outdoor unit Model name Capacity (kBtu/h)
1 AOU72RLAVL 72.0
Total capacity 72.0
• Capacity ratio
(Total capacity of indoor unit)/(Total capacity of outdoor unit)
= 93.5 / 72.0 = 129.8% (Within 50% to 150%)
• Selection of
Separation tube
Branch kit no. Model name Quantity
BP1
UTP-AX090A 7
BP2
BP3
BP4
BP5
BP6
BP7
2-6. Piping design example - (06-28) - 2. Piping design
SYSTEM
DESIGN
SYSTEM
DESIGN