Spe c ific a tio n s
Rated power [kW]
Rated voltage
Economy setting e [kW]
1st stage
2nd stage
Intensive setting II [kW]
1st stage
2nd stage
Switch-on point [I/min]
1st stage
2nd stage
Mixed water [I/min] at rated power
approx. 38 °C
approx. 50 °C
(supply temperature 12 °C)
Minimum flow pressure of appliance*
[MPa (bar)]
with flow limiter
without flow limiter
Operative range in waters
of specific electric resistance
at 15 °C [Ωcm]
Rated pressure [MPa (bar)]
Maximum permissible
supply temperature [°C]
* Plus any pressure loss at the tap mixer
236
140
100
204
EN
12
380 V3~
–
8
–
12
–
3.6
6.6
4.5
0.03 (0.3)
0.02 (0.2)
≥ 1300
1(10)
20
Special accessories
124
s
s
s
G
1 2
A
136
13.2
18
400 V3~
400 V3~
–
6
8.8
12
–
9
13.2
18
–
4.0
3.6
5.0
7.3
9.9
5.0
6.8
0.03 (0.3)
0.07 (0.7)
0.02 (0.2)
0.04 (0.4)
≥ 1300
≥ 1300
1 (10)
1 (10)
20
20
BZ 45U20 Pipe set: When using the continuous-flow
heater as a built-under appliance.
Priority switch (load reducing relay) BZ 45L20:
For operation with the priority circuit.
BZ 45K22 Mounting set: For surface-mount installation.
21
24
400 V3~
400 V3~
7
8
14
16
10.5
12
21
24
4.5
5.0
5.8
6.6
11.6
13.2
7.9
9.1
0.08 (0.8)
0.09 (0.9)
0.05 (0.5)
0.06 (0.6)
≥ 1300
≥ 1300
1 (10)
1 (10)
20
20
7