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Technical data
Rated output
Rated voltage
Fuse protection
Minimum conductor cross-section *
Warm water flow at rated output
with temperature increase from
12 °C to 38 °C
(without flow-rate limiter)
12 °C to 38 °C
(with flow-rate limiter)
12 °C to 60 °C
Start-up flow
Start-up flow pressure **
Application area in water
specific electric resistance at 15 °C
Rated pressure
Maximum permissible supply temperature
Maximum mains impedance at connection point
Energy efficiency class
Load profile
Annual energy consumption
Daily energy consumption
Sound power level
Hot water heating energy efficiency
* Larger cable cross-sections may be required depending on the connection configuration.
** The pressure loss on the mixer must also be added.
Solar heated
The appliance can only heat prewarmed water to a max.
of 60 °C. If the cold water supply exceeds a temperature of
55 °C, the water will not be warmed any further.
Important: The cold water supply temperature must not be
higher than 55 °C!
If the cold water supply exceeds a temperature of 60 °C, a
circuit breaker will trigger and shut the appliance off. There-
fore, the residential plumbing must be equipped with a ther-
mostatic premixer (e. g. special accessory BZ 45T20) that will
limit the cold water supply temperature to a max. of 55 °C by
appropriately mixing in cold water.
Dimensions
VIII.
Special accessories
Pipe kit BZ 45U20 for use of the appliance as an under-
sink appliance
Priority switch (load shedding relay) BZ 45L21:
for operation with a priority circuit
Mounting kit BZ 45K23: for surface mount installation
Thermostatic premixer BZ 45T20: for installation in the
domestic plumbing when using preheated water
en
–
[kW]
[V]
[A]
[mm
]
2
[l/min]
[l/min]
[l/min]
[l/min]
[MPa (bar)]
[Ωcm]
[MPa (bar)]
[°C]
[Ω]
[kWh]
[kWh]
[dB]
[%]
Environmentally-friendly disposal
This appliance is labelled in accordance with Euro-
pean Directive 2012/19/EU concerning used elec-
trical and electronic appliances (waste electrical
and electronic equipment – WEEE).
The guideline determines the framework for the
return and recycling of used appliances as appli-
cable throughout the EU.
Please ask your specialist retailer about current
disposal facilities.
DE1518628
DE2124628
15/18
21/24
400
400
25/32
32/40
2.5/4
4
8.1/9.8
11.6/13.0
6.5
8.7
4.4/5.3
6.2/7.1
2.5
2.5
0.009 (0.09) 0.009 (0.09) 0.009 (0.09)
≥ 1 300
≥ 1 300
1.0 (10)
1.0 (10)
60
60
0.067/0.104
0.067/0.104
A
A
S
S
478
479
2.199
2.204
15
15
38.6
38.5
Subject to change without notice.
DE2427628
24/27
400
40
6
13.0/14.6
9.3
7.1/7.9
2.5
≥ 1 300
1.0 (10)
60
0.067/0.104
A
S
479
2.207
15
38.5
7
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