Increasing The Temperature; Application Areas - AEG MTH 350 Series Operation And Installation

Installation - for contractors

15.3 Increasing the temperature

At 230 V, the following water temperature increases result:
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
mtH
Example 350 with 3.5 kW
Flow rate
Increasing the temperature
Cold water supply temperature
Maximum possible outlet temperature
38
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:
º MTH 350 > 18 °C
3
º MTH 440 > 21 °C
º MTH 570 > 22 °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
900 111 1111
2.0
1000 100 1000
25
12 1100 91 909
37 1200 83 833
1300 77
20 °C 25 °C
Spec. Spec. conduc- Spec.
resist- tivity σ ≤ resist-
ance ance
ρ ≥ ρ ≥
Ωcm mS/m μS/cm
800 125 1250
890 112 1124
970 103 1031
1070 93 935
769 1175 85 851 1072
Spec. conduc-
tivity σ ≤
Ωcm mS/m μS/cm
735 136 1361
815 123 1227
895 112 1117
985 102 1015
93 933