STIEBEL ELTRON DHM 3 - Increasing the Temperature; Application Areas

44 | DHM www.stiebel-eltron.com
INSTALLATION

15.3 Increasing the temperature
At 230V / 400V, the following water temperature increases occur:
1,4 1,8 2,2 2,6 3,0 3,4
20,0
22,5
25,0
27,5
30,0
32,5
35,0
37,5
40,0
42,5
45,0
4
3
2
1
84�02�02�0029
X Flow rate in l/min
Y Temperature increase in K
1 3.5kW - 230 V
2 4.4kW - 230 V
3 5.7kW - 230 V
4 6.5kW - 400V

Flow rate l/min 2.0
Increasing the temperature K 25
Cold water supply temperature °C 12
Maximum possible outlet temperature °C 37
Note
An outlet temperature of 50°C can be achieved with the
lowest possible flow rate and the following cold water
inlet temperatures:
- DHM 3 >18°C
- DHM 4 >21°C
- DHM 6 >22°C
- DHM 7 >15°C
15.4 Application areas
For the specific electrical resistance and specific electrical
conductivity, see "Data table".
Standard specifica-
  
Spec.
resist-
ance
ρ ≥
Spec. conductiv-
ity σ ≤
Spec.
resist-
ance
ρ ≥
Spec. conductiv-
ity σ ≤
Spec.
resist-
ance
ρ ≥
Spec. conductiv-
ity σ ≤
Ωcm mS/m μS/cm Ωcm mS/m μS/cm Ωcm mS/m μS/cm
900 111 1111 800 125 1250 735 136 1361
1000 100 1000 890 112 1124 815 123 1227
1100 91 909 970 103 1031 895 112 1117
1200 83 833 1070 93 935 985 102 1015
1300 77 769 1175 85 851 1072 93 933