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Special Accessories - Siemens DE 21405 Installation Instructions Manual

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Spe c ific a tio n s
Rated power
Rated voltage
Warm Water Quantity at Rated Power
for temperature increases of:
12 °C to 38 °C
12 °C to 60 °C
Switch-on quantity
Switch-on flow pressure*
Flow pressure
(at rated power and 60 °C)*
With flow limiter
Without flow limiter
Operative range in waters of
specific electric resistance at 15 °C
Rated pressure
Maximum permissible
supply temperature
Maximum mains impedance
at connection site
* Plus any pressure loss at the tap mixer
231
20
100
GB
[kW]
380 – 415 V
[l/min]
[l/min]
[l/min]
[MPa (bar)]
0.025 (0.25)
[MPa (bar)]
0.028 (0.28)
[MPa (bar)]
0.013 (0,13)
[Ωcm]
[MPa (bar)]
[°C]
[Ω]

Special accessories

122
G
1 2
A
135
18
21
380 – 415 V
9.9
11.6
5.4
6.3
2.6
2.6
0.025 (0.25)
0.035 (0.35)
0.020 (0,20)
≥ 1300
≥ 1300
1 (10)
1 (10)
35
35
≤ 0,44
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.
24
27
380 – 415 V
400 V3~
13.2
13.9
7.2
7.6
2.6
2.6
0.025 (0.25)
0.025 (0.25)
0.048 (0.48)
0.064 (0.64)
0.026 (0,26)
0.035 (0,35)
≥ 1300
≥ 1300
1 (10)
1 (10)
35
35
≤ 0,36
≤ 0,33
5

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This manual is also suitable for:

De 18405De 27405De 24405De 40518De 40521De 40524