Dhw Output; Application Areas / Conversion Table; Pressure Drop; Fault Conditions - Stiebel Eltron HDB-E 12 Si Utilisation Et Installation

INSTALLATION
Specification

15.3 DHW output

The DHW output is subject to the mains voltage, the appliance's
connected load and the cold water inlet temperature. The rated
voltage and rated output can be found on the type plate (see
chapter "Operation / Troubleshooting").
Connected load in kW
Rated voltage
380 V 400 V 415 V
10.1
11.0
12.0
12.2
13.2
13.5
13.6
14.2
14.5
15.0
16.2 16.2
16.3
18.0
19.0
19.4
21.0
21.7
22.6
23.5
24.0
24.4
25.8
Connected load in kW
Rated voltage
380 V 400 V 415 V
10.1
11.0
12.0
12.2
13.2
13.5
13.6
14.2
14.5
15.0
16.2 16.2
16.3
18.0
19.0
19.4
21.0
21.7
22.6
23.5
24.0
24.4
25.8
30 | HDB-E Si
38 °C DHW output in l/min.
Cold water inlet temperature
5 °C 10 °C 15 °C
4.4 5.2 6.3
4.8 5.6 6.8
5.2 6.1 7.5
5.3 6.2 7.6
5.7 6.7 8.2
5.8 6.9 8.4
5.9 6.9 8.4
6.1 7.2 8.8
6.3 7.4 9.0
6.5 7.7 9.3
7.0 8.3 10.1
7.1 8.3 10.1
7.8 9.2 11.2
8.2 9.7 11.8
8.4 9.9 12.0
9.1 10.7 13.0
9.4 11.1 13.5
9.8 11.5 14.0
10.2 12.0 14.6
10.4 12.2 14.9
10.6 12.4 15.2
11.2 13.2 16.0
50 °C DHW output in l/min.
Cold water inlet temperature
5 °C 10 °C 15 °C
3.2 3.6 4.1
3.5 3.9 4.5
3.8 4.3 4.9
3.9 4.4 5.0
4.2 4.7 5.4
4.3 4.8 5.5
4.3 4.9 5.6
4.5 5.1 5.8
4.6 5.2 5.9
4.8 5.4 6.1
5.1 5.8 6.6
5.2 5.8 6.7
5.7 6.4 7.3
6.0 6.8 7.8
6.2 6.9 7.9
6.7 7.5 8.6
6.9 7.8 8.9
7.2 8.1 9.2
7.5 8.4 9.6
7.6 8.6 9.8
7.7 8.7 10.0
8.2 9.2 10.5
15.4 Application areas / conversion table
Specific electrical resistance and specific electrical conductivity
(see chapter "Installation / Specification / Data table").
Standard specification
at 15 °C
Spec. re- Spec. conduc-
tivity σ ≤
sistance
20 °C
ρ ≥
8.0
Ωcm mS/m μS/cm Ωcm
8.7
1100 91 909
9.5
1200 83 833
9.7
10.5

15.5 Pressure drop

10.7
10.8
Pressure drop at taps at flow rate of 10 l/min
11.3
Mono-lever mixer tap. approx.
11.5
Thermostatic valve. approx.
11.9
Hand shower. approx.
12.9
12.9
Sizing the pipework
14.3
15.1
When calculating the size of the pipework. a pressure drop for the
15.4
appliance of 0.1 MPa is recommended.
16.7
17.2

15.6 Fault conditions

17.9
In case of faults. loads up to a maximum of 95 °C at a pressure of
18.7
19.0 1.2 MPa can occur temporarily in the installation.
19.4
20.5
20 °C
4.8
5.2
5.7
5.8
6.3
6.4
6.5
6.8
6.9
7.1
7.7
7.8
8.6
9.0
9.2
10.0
10.3
10.8
11.2
11.4
11.6
12.3
20 °C 25 °C
Spec. re- Spec. conduc- Spec. re-
tivity σ ≤
sistance sistance
ρ ≥ ρ ≥
mS/m μS/cm Ωcm
970 103 1031 895
1070 93 935 985
MPa
MPa
MPa
www.stiebel-eltron.com
Spec. conduc-
tivity σ ≤
mS/m μS/cm
112 1117
102 1015
0.04 - 0.08
0.03 - 0.05
0.03 - 0.15