Fujitsu ASYG12LUCA

6. SYSTEM DESIGN
EXAMPLE 2

21 3 54 6
a
d
f g hi j k
c
Outdoor unit
Separation
tube
Branch box Branch box
Indoor unit Indoor unitIndoor unit Indoor unitIndoor unit Indoor unit
(5.0kW) (2.5kW)(2.0kW) (2.0kW)(2.0kW) (2.0kW)
System conguration

(Indoor units)
1 2 3 4 5 6 7 8
Total
capacity
(kW)
Model name AS18 AS07 AS07 AS09 AS07 AS07
16.11
Capacity class (kW) 5.0 2.0 2.0 2.5 2.0 2.0
Rated capacity of
cooling (kW)
5.27 2.05 2.05 2.64 2.05 2.05
Capacity ratio

(Total capacity of indoor units) / (Capacity of outdoor unit)
= (16.11) / (14.0) = 115.1% (Within 80% to 130%)
Selection of separation tube

Model Q'ty
UTP-SX248A 1
Selection of branch box

Model Q'ty
UTP-PY03A (3 branches) 2
UTP-PY02A (2 branches) None
Selection of pipe size

a b c d e f g
Liquid pipe size
mm (in.)
9.52
(3/8)
9.52
(3/8)
9.52
(3/8)
6.35
(1/4)
6.35
(1/4)
Gas pipe size
mm (in.)
15.88
(5/8)
15.88
(5/8)
15.88
(5/8)
12.70
(1/2)
9.52
(3/8)
Pipe length
m
7 25 10 5 5
h i j k l m
Liquid pipe size
mm (in.)
6.35
(1/4)
6.35
(1/4)
6.35
(1/4)
6.35
(1/4)
Gas pipe size
mm (in.)
9.52
(3/8)
9.52
(3/8)
9.52
(3/8)
9.52
(3/8)
Pipe length
m
5 5 5 5
- (06 - 21) -
SYSTEM DESIGN SYSTEM DESIGN