Fujitsu AUYG07LVLA Design & Technical Manual page 27
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Fig 2
y
(X
, Y
)
1
1
Capacity ratio of indoor units to outdoor unit, X (%)
Indoor unit
Outdoor
21.0°CDB
connecting
temperature
15.0°CWB
capacity (%)
(°C)
TC
-5.0
15.6
0.0
15.6
5.0
15.6
10.0
15.6
15.0
15.6
120
20.0
15.6
25.0
14.9
X
2
30.0
14.0
35.0
13.2
40.0
12.2
46.0
10.8
-5.0
13.2
0.0
13.2
5.0
13.2
10.0
13.2
15.0
13.2
100
20.0
12.9
25.0
12.6
X
1
30.0
12.2
35.0
11.7
40.0
11.2
46.0
10.4
Capacity ratio of indoor units to outdoor unit
Capacity of outdoor units (kW)
Y= (15.6-14.0) / (120-100)
(X
(X, Y)
Indoor temperature
23.0°CDB
27.0°CDB
16.0°CWB
19.0°CWB
IP
TC
IP
TC
2.50
16.5
2.55
17.5
2.56
16.5
2.75
17.5
2.61
16.5
2.85
17.5
2.70
16.5
2.95
17.5
2.90
16.5
3.20
17.5
3.55
16.5
3.60
17.5
4.20
16.0
4.40
17.0
4.76
15.1
5.13
16.2
5.24
14.1
5.79
15.6
5.20
12.9
5.90
13.8
Y
4.94
11.7
5.06
12.1
2.00
14.5
2.11
15.6
2.08
14.5
2.14
15.6
2.12
14.5
2.19
15.6
2.16
14.5
2.25
15.6
2.21
14.5
2.40
15.6
2.45
14.4
2.63
15.5
2.80
14.2
3.20
15.3
3.81
13.9
4.15
15.2
4.67
13.5
4.95
14.0
5.01
12.5
5.12
13.0
Y
4.75
11.0
4.97
11.5
(117-100) + 14.0 = 15.4 (kW)
- (02 - 08) -
i)
.
and Y
using X
2
ii) Calculate capacity of outdoor unit using
following equation:
, Y
)
2
2
Y=(Y
-Y
) / (X
2
1
2
x
29.0°CDB
21.0°CWB
IP
TC
IP
2.65
19.0
2.75
2.80
19.0
2.90
2.90
19.0
3.05
3.05
19.0
3.05
3.30
19.0
3.35
4.00
19.0
4.05
4.70
18.6
4.80
5.33
18.0
5.45
5.90
16.2
5.93
5.96
14.4
5.98
2
5.15
12.9
5.20
2.25
17.5
2.40
2.30
17.5
2.45
2.40
17.5
2.50
2.50
17.5
2.60
2.75
17.5
2.80
3.00
17.4
3.10
3.50
17.2
3.90
4.41
17.0
4.70
5.20
15.6
5.26
5.21
14.2
5.32
1
5.05
12.5
5.10
X1 = 100 %
X = 117 %
Y1 = 14.0
n
1
and X
.
1
2
-X
)
(X-X1) + Y
1
1
32.0°CDB
23.0°CWB
TC
IP
20.1
2.80
20.1
2.95
20.1
3.10
20.1
3.20
20.1
3.40
20.1
4.10
19.1
4.85
18.5
5.51
16.7
5.96
15.7
5.98
13.3
5.28
19.0
2.50
19.0
2.55
19.0
2.65
19.0
2.80
19.0
3.00
19.0
3.20
18.4
4.00
17.7
5.00
16.0
5.34
15.0
5.41
12.9
5.15
X2 = 120 %
Y
Y2 = 15.6
2. MODEL SELECTION
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- 2-2.Indoor Unit
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