Pressure Drop - STIEBEL ELTRON DHB-E 11 SLi electronic Operation And Installation
Electronically controlled instantaneous water heater
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INSTALLATIoN
Specification
16.3 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
38 °C DHw output in l/min.
Rated voltage
Cold water inlet temperature
380 V
400 V
415 V
10,1
11
12,2
13,5
14,5
16,2
18
19,4
16,2
19
21,7
18
21
24
19,4
22,6
25,8
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
10,1
11
12,2
13,5
14,5
16,2
18
19,4
16,2
19
21,7
16.6 Details on energy consumption
The product data complies with EU regulations relating to the
Directive on the ecological design of energy related products (ErP).
Manufacturer
Load profile
Energy efficiency class
Annual power consumption
Energy conversion efficiency
Default temperature setting
Sound power level
Special information on measuring efficiency
www.stiebel-eltron.com
5 °C
10 °C
15 °C
20 °C
4,4
5,2
6,3
4,8
5,6
6,8
5,3
6,2
7,6
5,8
6,9
8,4
10,7
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
3,2
3,6
4,1
3,5
3,9
4,5
3,9
4,4
5,0
4,3
4,8
5,5
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
DHB-E 11 SLi
232013
STIEBEL ELTRON
S
A
kWh
472
%
39
°C
60
dB(A)
15
None
Connected load in kw
Rated voltage
380 V
400 V
18
21
24
24,4
8,0
27
8,7
9,7
16.4 Application areas / conversion table
Specific electrical resistance and specific electrical conductivity
(see chapter "Installation / Data table").
Standard specifica-
tion at 15 °C
Conductivity σ ≤ Resist-
Resist-
ance
ρ ≥
Ωcm
mS/m μS/cm
900
111
1111
1000
100
1000
1100
91
909
1200
83
833
1300
77
769
16.5 Pressure drop
Taps/valves
4,8
5,2
Tap pressure drop at a flow rate of 10 l/min
5,8
Mono lever mixer tap, approx.
6,4
Thermostatic valve, approx.
6,9
Shower head, approx.
7,7
8,6
Sizing the pipework
9,2
7,7
When calculating the size of the pipework, an appliance pressure
9,0
drop of 0.1 MPa is recommended.
DHB-E 13 SLi DHB-E 18 SLi 25 A DHB-E 18/21/24 SLi
232014
STIEBEL ELTRON
STIEBEL ELTRON
S
A
472
39
60
15
None
50 °C DHw output in l/min.
Cold water inlet temperature
415 V
5 °C
10 °C
5,7
6,4
6,7
7,5
7,6
8,6
19,4
6,2
6,9
22,6
7,2
8,1
25,8
8,2
9,2
7,7
8,7
8,6
9,6
20 °C
25 °C
Conductivity σ ≤ Resist-
Conductivity σ ≤
ance
ance
ρ ≥
ρ ≥
Ωcm
mS/m μS/cm
Ωcm
800
125
1250
735
890
112
1124
815
970
103
1031
895
1070
93
935
985
1175
85
851
1072
MPa
MPa
MPa
232015
232016
STIEBEL ELTRON
S
S
A
A
477
477
39
39
60
60
15
15
None
Data at Pmax.
DHB-E SLi |
15 °C
20 °C
7,3
8,6
8,6
10,0
9,8
11,4
7,9
9,2
9,2
10,8
10,5
12,3
10,0
11,6
11,0
12,9
mS/m
μS/cm
136
1361
123
1227
112
1117
102
1015
93
933
0.04 - 0.08
0.03 - 0.05
0.03 - 0.15
DHB-E 27 SLi
232017
STIEBEL ELTRON
S
A
481
39
60
15
None
33
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