Fujitsu AIRSTAGE J-IIIL Design & Technical Manual page 555

¢ Example 3
132.5 kBtu/h 72.5 kBtu/h
BP1
b1
60 kBtu/h
1
60kBtu/h
Indoor
unit
• System configuration
Indoor unit
1
2
3
4
5
6
Outdoor unit
1
• Capacity ratio
(Total capacity of indoor unit)/(Total capacity of outdoor unit)
= 132.5 / 120.0 = 110.4% (Within 50% to 150%)
• Selection of Separation tube and Header
Branch kit no.
BP1
BP2
BP3
HD1
2-6. Piping design example
Outdoor
unit
a
Total cooling capacity of indoor units connected downwards to the pipe
BP3
b
c
28.5 kBtu/h
BP2
d
44 kBtu/h
e1
30 kBtu/h
2
30 kBtu/h 14 kBtu/h
Indoor
unit
Total capacity
Total capacity
e2
14 kBtu/h
3 4
9.5 kBtu/h
Indoor Indoor
unit unit
Model name
ARUH60TLAV
ARUM30TLAV2
ARUL14TLAV2
ARUL9TLAV2
ARUL9TLAV2
ARUL9TLAV2
Model name
AOU120RLAVL
Model name
UTP-AX090A
UTR-H0906L
- (06-33) -
HD1
f1 f2
9.5 kBtu/h 9.5 kBtu/h
5 6
9.5 kBtu/h 9.5 kBtu/h
Indoor Indoor
unit unit
Capacity (kBtu/h)
60.0
30.0
14.0
9.5
9.5
9.5
132.5
Capacity (kBtu/h)
120.0
120.0
Quantity
3
1
f3
9.5 kBtu/h
2. Piping design