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iNSTallaTiON
Specification
Power output in kW
38 °C DHW output in l/min
Rated voltage
Cold water inlet temperature
208 V
220 V
240 V
5 °C
5.4
7.2
6.0
8.0
7.2
9.6
11.8
13.2
9.0
10.7
10.0
12.0
12.0
14.4
Power output in kW
50 °C DHW output in l/min
Rated voltage
Cold water inlet temperature
208 V
220 V
240 V
5 °C
5.4
7.2
6.0
8.0
7.2
9.6
11.8
13.2
9.0
10.7
10.0
12.0
12.0
14.4
18
| DCE Plus
10 °C
15 °C
20 °C
2.3
2.8
3.4
4.3
3.1
3.7
4.5
5.7
2.6
3.1
3.7
4.8
3.5
4.1
5.0
6.3
3.1
3.7
4.5
5.7
4.2
4.9
6.0
7.6
5.1
6.0
7.3
9.4
5.7
6.7
8.2
10.5
3.9
4.6
5.6
7.1
4.6
5.5
6.6
8.5
4.3
5.1
6.2
7.9
5.2
6.1
7.5
9.5
5.2
6.1
7.5
9.5
6.2
7.3
8.9
11.4
10 °C
15 °C
20 °C
1.7
1.9
2.2
2.6
2.3
2.6
2.9
3.4
1.9
2.1
2.4
2.9
2.5
2.9
3.3
3.8
2.3
2.6
2.9
3.4
3.0
3.4
3.9
4.6
3.7
4.2
4.8
5.6
4.2
4.7
5.4
6.3
2.9
3.2
3.7
4.3
3.4
3.8
4.4
5.1
3.2
3.6
4.1
4.8
3.8
4.3
4.9
5.7
3.8
4.3
4.9
5.7
4.6
5.1
5.9
6.9
16.4 Application areas/conversion table
Electrical resistivity and electrical conductivity.
Standard specifica-
tion at 15 °C
20 °C
Conductivity σ ≤ Resis-
Conductivity σ ≤ Resis-
Resis-
tivity
tivity
ρ ≥
ρ ≥
Ωcm
mS/m μS/cm
Ωcm
mS/m μS/cm
1100
91
910
970
16.5 Pressure drop
Sizing the pipework
When calculating the size of the pipework, a water heater pressure
drop of 14.5 psi (0.1 MPa) is recommended.
16.6 Fault conditions
In the event of a fault, temperatures up to 176 °F (80 °C) at a pres-
sure of 145 psi (1.0 MPa) can occur briefly in the installation.
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25 °C
Conductivity σ ≤
tivity
ρ ≥
Ωcm
mS/m
μS/cm
103
1031
895
112
1117
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