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INSTALLATION
Specification
15.2 Wiring diagram
3/PE ~ 380-415 V
1 Heater
2 High limit safety cut-out
3 Safety pressure limiter
Priority control with LR 1-A
2
1
1 Control cable to the contactor of the 2nd appliance (e.g. elec-
tric storage heater).
2 Control contact opens when switching the instantaneous
water heater on.
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15.3 DHW output
The DHW output is subject to the mains voltage, the appliance's
connected load and the cold water inlet temperature. The rated
voltage and rated output can be found on the type plate (see chap-
ter "Troubleshooting").
Connected load in kW
38 °C DHW output in l/min.
Rated voltage
Cold water inlet temperature
380 V
400 V
415 V
16.2
16.3
18.0
19.0
19.4
21.0
21.7
22.6
23.5
24.0
24.4
25.8
26.0
27.0
Connected load in kW
50 °C DHW output in l/min.
Rated voltage
Cold water inlet temperature
380 V
400 V
415 V
16.2
16.3
18.0
19.0
19.4
21.0
21.7
22.6
23.5
24.0
24.4
25.8
26.0
27.0
15.4 Application areas / conversion table
Specific electrical resistance and specific electrical conductivity (see
chapter "Data table").
Standard specifica-
tion at 15 °C
20 °C
Conductivity σ ≤ Resist-
Resist-
ance
ance
ρ ≥
ρ ≥
Ωcm
mS/m μS/cm
Ωcm
900
111
1111
800
1000
100
1000
890
1100
91
909
970
1200
83
833
1070
1300
77
769
1175
5 °C
10 °C
15 °C
7.0
8.3
10.1
7.1
8.3
10.1
7.8
9.2
11.2
8.2
9.7
11.8
8.4
9.9
12.0
9.1
10.7
13.0
9.4
11.1
13.5
9.8
11.5
14.0
10.2
12.0
14.6
10.4
12.2
14.9
10.6
12.4
15.2
11.2
13.2
16.0
11.3
13.3
16.1
11.7
13.8
16.8
5 °C
10 °C
15 °C
5.1
5.8
6.6
5.2
5.8
6.7
5.7
6.4
7.3
6.0
6.8
7.8
6.2
6.9
7.9
6.7
7.5
8.6
6.9
7.8
8.9
7.2
8.1
9.2
7.5
8.4
9.6
7.6
8.6
9.8
7.7
8.7
10.0
8.2
9.2
10.5
8.3
9.3
10.6
8.6
9.6
11.0
25 °C
Conductivity σ ≤ Resist-
Conductivity σ ≤
ance
ρ ≥
mS/m μS/cm
Ωcm
mS/m
125
1250
735
136
112
1124
815
123
103
1031
895
112
93
935
985
102
85
851
1072
93
PEO 18/21/24 | PEO 27|
20 °C
12.9
12.9
14.3
15.1
15.4
16.7
17.2
17.9
18.7
19.0
19.4
20.5
20.6
21.4
20 °C
7.7
7.8
8.6
9.0
9.2
10.0
10.3
10.8
11.2
11.4
11.6
12.3
12.4
12.9
μS/cm
1361
1227
1117
1015
933
15
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Chapters
Table of Contents
Troubleshooting
