Application Areas / Conversion Table; Pressure Drop; Fault Conditions - Stiebel Eltron DHE Connect 18 Utilisation Et Installation

INSTALLATION
Specification
Connected load in kW 50 °C DHW output in l/min
Rated voltage Cold water inlet temperature
380 V 400 V 415 V
16.2
19
21.7
18
21
24
19.4
22.6
25.8
24.4
27
29.1
18.4 Application areas / Conversion table
Specific electrical resistivity and specific electrical conductivity.
Standard specifica-
tion at 15 °C 20 °C
Conductivity σ ≤ Resis-
Resis-
tivity tivity
ρ ≥ ρ ≥
Ωcm mS/m μS/cm Ωcm
900 111 1111 800
118 |DHE Connect | DHE Touch
5 °C 10 °C 15 °C
5.1 5.8 6.6
6.0 6.8 7.8
6.9 7.8 8.9
5.7 6.4 7.3
6.7 7.5 8.6
7.6 8.6 9.8
6.2 6.9 7.9
7.2 8.1 9.2
8.2 9.2 10.5
7.7 8.7 10.0
8.6 9.6 11.0
9.2 10.4 11.9
25 °C
Conductivity σ ≤ Resis- Conductivity σ ≤
tivity
ρ ≥
mS/m μS/cm Ωcm mS/m
125 1250 735 136

18.5 Pressure drop

20 °C
Taps
7.7
9.0
Tap pressure drop at a flow rate of 10 l/min
10.3
Mono lever mixer tap, approx.
8.6
Thermostatic valve, approx.
10.0
Shower head, approx.
11.4
9.2
Sizing the pipework
10.8
12.3
When calculating the size of the pipework, an appliance pressure
11.6
drop of 0.1 MPa is recommended.
12.9
13.9

18.6 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.
μS/cm
1361
MPa 0.04 - 0.08
MPa 0.03 - 0.05
MPa 0.03 - 0.15
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