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ENGLISH
 


14. Specification
14.1 Dimensioned drawing
478
100
414
44
105≤ 20225
140
30
35
35
114
368
338
47
b02
b01
c01c06
D0000017973
b01 Entry electrical cables
b02 Entry electrical cables 1
c01 Cold water inlet male thread G 1/2 A
c06 DHW outlet male thread G 1/2 A
14.2 Wiring diagram
3/PE~380 - 415V
8502�02�0005�
1 Heater
2 High limit safety cut-out
3 Safety pressure limiter
14.3 Mixed water volume / outlet volume
Available temperature approx. 38 °C in the shower, for hand
washing, filling the bath etc.

Appliance kW 11 18 21 24 27
Cold water inlet
6 °C l/min 5.0 8.0 9.4 10.7 12.1
temperature
10 °C l/min 5.7 9.2 10.7 12.3 13.8
14 °C l/min 6.6 10.7 12.5 14.5 16.1
Outlet temperature approx. 60 °C for the kitchen sink and when
using thermostatic valves.

Appliance kW 11 18 21 24 27
Cold water inlet
6 °C l/min 2.9 4.8 5.6 6.4 7.2
temperature
10 °C l/min 3.2 5.2 6.0 6.9 7.7
14 °C l/min 3.4 5.6 6.5 7.5 8.4
The values in the table are relative to a rated voltage of 400 V. The
outlet volume is subject to the available supply pressure and the
available mains voltage.
14.4 Application areas
Specific electrical resistance and specific electrical conductivity

Standard value
at 15 °C
at 20 °C
at 25 °C
Resistance Ω cm ≥ 900 ≥ 1000 ≥ 800 ≥ 890 ≥ 735 ≥ 815
Conductivity mS/m ≤ 111 ≤ 100 ≤ 125 ≤ 112 ≤ 136 ≤ 123
Conductivity µs/cm ≤ 1110 ≤ 1000 ≤ 1250 ≤ 1120 ≤ 1360 ≤ 1230

Standard value
at 15 °C
at 20 °C
at 25°C
Resistance Ω cm ≥ 1200 ≥ 1300 ≥ 1070 ≥ 1175 ≥ 985 ≥ 1072
Conductivity mS/m ≤ 83 ≤ 77 ≤ 94 ≤ 85 ≤ 101 ≤ 93
Conductivity µs/cm ≤ 830 ≤ 770 ≤ 940 ≤ 850 ≤ 1010 ≤ 930
14.5 Pressure drop
14.5.1 Taps/valves

Mono-lever mixer tap, approx. MPa 0.04 - 0.08
Thermostatic valve, approx. MPa 0.03 - 0.05
Hand shower, approx. MPa 0.03 - 0.15
14.5.2 Sizing the pipework
When calculating the size of the pipework, a pressure drop for the
appliance of 0.1 MPa is recommended.
14.6 Fault conditions
In case of faults, loads up to a maximum of 95 °C at a pressure of
1.2 MPa can occur temporarily in the installation.
14.7 Country-specific approvals and certifications
Test symbols can be seen on the type plate.
15


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