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INSTALLATION
Specification
17.3 Domestic hot water output
The DHW output is subject to the connected power supply, the
appliance's connected load and the cold water inlet temperature.
The rated voltage and rated output can be found on the type plate.
Connected load in kw
38 °C DHW output in l/min
Rated voltage
Cold water inlet temperature
380 V
400 V
415 V
DHB-E 11/13 LCD
9.9
12.2
11
13.5
11.8
14.5
DHB-E 18 LCD 25A
16.2
18
19.4
DHB-E 18/21/24 LCD
16.2
19
21.7
18
21
24
19.4
22.6
25.8
DHB-E 27 LCD
24,4
27
Connected load in kw
50 °C DHW output in l/min
Rated voltage
Cold water inlet temperature
380 V
400 V
415 V
DHB-E 11/13 LCD
9.9
12.2
11
13.5
11.8
14.5
DHB-E 18 LCD 25A
16.2
18
19.4
DHB-E 18/21/24 LCD
16.2
19
21.7
18
21
24
19.4
22.6
25.8
DHB-E 27 LCD
24,4
27
42
| DHB-E LCD
5 °C
10 °C
15 °C
20 °C
4.3
5.1
6.1
5.3
6.2
7.6
4.8
5.6
6.8
5.8
6.9
8.4
10.7
5.1
6.0
7.3
6.3
7.4
9.0
11.5
7.0
8.3
10.1
12.9
7.8
9.2
11.2
14.3
8.4
9.9
12.0
15.4
7.0
8.3
10.1
12.9
8.2
9.7
11.8
15.1
9.4
11.1
13.5
17.2
7.8
9.2
11.2
14.3
9.1
10.7
13.0
16.7
10.4
12.2
14.9
19.0
8.4
9.9
12.0
15.4
9.8
11.5
14.0
17.9
11.2
13.2
16.0
20.5
10,6
12,4
15,2
19,4
11,7
13,8
16,8
21,4
5 °C
10 °C
15 °C
20 °C
3.1
3.5
4.0
3.9
4.4
5.0
3.5
3.9
4.5
4.3
4.8
5.5
3.7
4.2
4.8
4.6
5.2
5.9
5.1
5.8
6.6
5.7
6.4
7.3
6.2
6.9
7.9
5.1
5.8
6.6
6.0
6.8
7.8
6.9
7.8
8.9
10.3
5.7
6.4
7.3
6.7
7.5
8.6
10.0
7.6
8.6
9.8
11.4
6.2
6.9
7.9
7.2
8.1
9.2
10.8
8.2
9.2
10.5
12.3
7,7
8,7
10,0
11,6
8,6
9,6
11,0
12,9
17.4 Application areas / Conversion table
Specific electrical resistance and specific electrical conductivity
Standard specifica-
tion at 15 °C
Conductivity σ ≤ Resist-
Resist-
ance
ρ ≥
Ωcm
mS/m μS/cm
900
111
1111
7.9
9.7
17.5 Pressure drop
8.7
Taps/valves
9.4
Tap pressure drop at a flow rate of 10 l/min
Mono lever mixer tap, approx.
Thermostatic valve, approx.
Shower head, approx.
Sizing the pipework
When calculating the size of the pipework, an appliance pressure
drop of 0.1 MPa is recommended.
17.6 Fault conditions
In the event of a fault, loads up to 80 °C at a pressure of 1.0 MPa
can occur briefly in the installation.
4.7
5.8
5.2
6.4
5.6
6.9
7.7
8.6
9.2
7.7
9.0
8.6
9.2
20 °C
25 °C
Conductivity σ ≤ Resist-
ance
ance
ρ ≥
ρ ≥
Ωcm
mS/m μS/cm
Ωcm
800
125
1250
735
MPa
MPa
MPa
www.stiebel-eltron.com
Conductivity σ ≤
mS/m
μS/cm
136
1361
0.04 - 0.08
0.03 - 0.05
0.03 - 0.15
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