Increasing The Temperature; Application Areas - AEG MTD 350 Anleitung

15.3 Increasing the temperature

At 230 V / 400 V, the following water temperature increas-
es occur:
45,0
42,5
40,0
37,5
35,0
32,5
30,0
27,5
25,0
22,5
20,0
1,4 1,8 2,2
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
Example MTD 350 with 3.5 kW
Flow rate
Increasing the temperature
Cold water supply temperature
Maximum possible outlet temperature
2,6 3,0 3,4
l/min
K
°C
°C
Note
An outlet temperature of 50 °C can be achieved with
the lowest possible flow rate and the following cold
water inlet temperatures:
4 º MTD 350 > 18 °C
º MTD 440 > 21 °C
3
º MTD 570 > 22 °C
º MTD 650 > 15 °C
2
1

15.4 Application areas

For the specific electrical resistance and
specific electrical conductivity, see "Data
table".
Standard specifica-
tion at 15 °C
Spec. Spec. conduc-
resist- tivity σ ≤
ance
ρ ≥
Ωcm mS/m μS/cm
1100 91 909
2.0
25
12
37
Installation - for contractors
20 °C 25 °C
Spec. Spec. conduc- Spec.
resist- tivity σ ≤ resist-
ance ance
ρ ≥ ρ ≥
Ωcm mS/m μS/cm Ωcm mS/m μS/cm
970 103 1031 895
Spec. conduc-
tivity σ ≤
112 1117
39