Fujitsu AOU48RLXFZ - Page 157

6. SYSTEM DESIGN
EXAMPLE OF REFRIGERANT SYSTEM

Example 1 (OK)

Outdoor unit
Indoor unit 1
Branch box 1
(Primary type)
Indoor unit 2
Model
Capacity
(BTU/h)
Total
capacity
(BTU/h)
Connectable indoor
unit capacity (BTU/h) Judgement
Min. Max.
Outdoor unit AOU48 48000 48000
2
80%
38400
3
130%
62400
2
≤
1
≤
3
38400 < 42000 < 62400 → OK
Indoor unit 1 ARU24 24000
1
42000
Indoor unit 2 ARU18 18000
Branch box 1
UTP-PU03A
-
-
--
-
Example 2 (OK)

Branch box 1
(Primary type)
Outdoor unit
Indoor unit 1 Indoor unit 2 Indoor unit 3
Model
Capacity
(BTU/h)
Total
capacity
(BTU/h)
Connectable indoor
unit capacity (BTU/h) Judgement
Min. Max.
Outdoor unit AOU48 48000 48000
2
80%
38400
3
130%
62400
2
≤
1
≤
3
38400 < 60000 < 62400 → OK
Indoor unit 1 ARU24 24000
1
60000
Indoor unit 2 ARU24 24000
Indoor unit 3 ARU12 12000
Branch box 1
UTP-PU03A
-
-
--
-
Capacity ratio
88%
Capacity ratio
125%
- (06 - 03) -
SYSTEM DESIGN SYSTEM DESIGN