Appendix
Greenstar – 6721852556 (2022/11)
30
13.3
Domestic Hot Water performance chart
Fig. 54 DHW performance chart (DPCV = Differential Pressure Control Valve)
45°C
50°C
45°C(Δ35K)
50°C(Δ40K)
[kW]
ΔP
[kPa]
100
150
200
300
400
500
600
700
800
90 80 70 60
50
40
30
20
15
10 9 8 7 6
5
4
2
80 70 60
50
40
30
20
15
10 9 8 7 6
5
4
3
100 90 80 70 60 50
40
30
20
15
10 9 8 7 6
5
4
91
0
11
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
24
26
28
30
32
34
36
40
42
44
46
48
50
52
54
56
58
38
24
22
26
28
30
32
3
4
36
40
42
44
46
48
50
52
38
50°C
45°C
[°
]
C
[°
]
C
[°
]
C
[°
]
C
50°C
45°C
31
32
36
37
38
30
28
27 26 25
24 23 22 21
20
19
18
17
33
34
35
36
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
31
32
33
34
37
39
38
40
30 29 28 27 26 25 24 23 22
21 20
19
18
17
28
33
34
27
25
24
22
21
20
19
18
17
16
15
00100
-001
34535
Kv = 1.7 m³/hr
Kv = 1.3 m³/hr
Kv = 1.3 m³/hr
Kv = 1.1 m³/hr
[l/s]
[l/h]
200
225
250
300
350
400
450
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1750
2000
2250
2500
3000
3500
4000
0.060
0.070
0.080
0.100
0.090
0.120
0.140
0.160
0.180
0.200
0.220
0.240
0.260
0.280
0.300
0.350
0.400
0.450
0.500
0.550
0.600
0.700
0.800
0.900
1.000
[l/m]
100
150
200
300
400
500
90 80 70 60
50
40
30
20
15
10 9 8 7 6
5
4
3
2
1.5
b
c
d
a
b
c
d
Example
Domestic Hot W
ater
flow rate = 12 l/m
Supply temperature
=
Supply volumetric
flow rate = 0.168 l/s (604.8 l/h)
Domestic Hot W
ater
standard performance range
Domestic Hot W
ater
high performance range
a
b
c
d
HIU
HIU + Heat
Meter
HIU + DPCV
HIU + DPCV +
Heat Meter
b
Supply dif
ferential pressure (= 13.3 kPa / + heat meater = 21.2 kPa / + DPCV = 22.3 kPa / + DPCV + heat meater = 29.4 kPa)
Δ
45°C
Δ
45°C