Piping Design Example - Fujitsu AJ 126LELDH Series Design & Technical Manual

2-6. Piping design example

¢ Example 1
Outdoor
unit
28.0 kW
b
24.4 kW
BP1 BP2
a1
1
3.6 kW
Indoor
unit
• System configuration
Indoor unit
1
2
3
4
5
6
7
8
Outdoor unit
1
• Capacity ratio
(Total capacity of indoor unit)/(Total capacity of outdoor unit)
= 28.0 / 22.4 = 125.0% (Within 50% to 150%)
• Selection of Separation tube
Branch kit no.
BP1
BP2
BP3
BP4
BP5
BP6
BP7
2-6. Piping design example
a
Total cooling capacity of indoor units connected downwards to the pipe
c d
20.8 kW 17.2 kW
BP3 BP4
b1 c1
2 3
3.6 kW 3.6 kW
Indoor Indoor
unit unit
Total capacity
Total capacity
e f
13.6 kW 10.0 kW
BP5 BP6
d1 e1
4 5
3.6 kW 3.6 kW
Indoor Indoor
unit unit
Model name
ARXD012GLEH
ARXD012GLEH
ARXD012GLEH
ARXD012GLEH
ARXD012GLEH
ARXD012GLEH
ARXD012GLEH
ARXD009GLEH
Model name
AJ072LELDH
Model name
UTP-AX090A
UTP-AX054A
- (06-29) -
g h
6.4 kW 2.8 kW
BP7
f1 g1
6 7
3.6 kW
3.6 kW 2.8 kW
Indoor Indoor Indoor
unit unit
Capacity (kW)
3.6
3.6
3.6
3.6
3.6
3.6
3.6
2.8
28.0
Capacity (kW)
22.4
22.4
Quantity
3
4
8
unit
2. Piping design