Fujitsu Airstage J-II Series Design & Technical Manual page 566

„ EXAMPLE OF REFRIGERANT SYSTEM
„
z Example 1 (OK)
„
Outdoor unit
Model
Outdoor unit AOU60R
Indoor unit 1 AUUB24
Indoor unit 2 AUUB18
z Example 2 (OK)
„
Outdoor unit
Model
Outdoor unit AOU60R
Indoor unit 1 AUUB30
Indoor unit 2 AUUB24
Indoor unit 3 AUUB18
z Example 3 (Prohibited)
„
Outdoor unit
Model
Outdoor unit AOU60R
Indoor unit 1 AUUB36
Indoor unit 2 AUUB36
Indoor unit 3 AUUB36
Indoor unit 1 Indoor unit 2
Total Connectable indoor
Capacity
capacity
(Btu/h)
(Btu/h)
60,000 60,000
24,000

18,000 42,000
Indoor unit 2
Indoor unit 1
Connectable indoor
Total
Capacity
capacity
(Btu/h)
(Btu/h)
60,000 60,000
30,000

24,000
72,000
18,000
Indoor unit 1 Indoor unit 2
Connectable indoor
Total
Capacity
capacity
(Btu/h)
(Btu/h)
60,000 60,000
36,000

36,000
108,000
36,000
- (06 - 02) -
Capacity ratio
70%
unit capacity
Min. Max.
 50%  130%
30,000 < 42,000 < 78,000 →
30,000 78,000
Indoor unit 3
unit capacity
Min. Max.
 50%  130%
30,000 < 72,000 < 78,000 →
30,000 78,000
Indoor unit 3
unit capacity
Min. Max.
 50%  130%
30,000 78,000
Judgement
 ≤ ≤ 

OK
Capacity ratio
120%
Judgement
 ≤ ≤ 

OK
Capacity ratio
180%
Judgement
 ≤

78,000 < 108,000 →
Prohibited