Siemens DE 12400, Installation Instructions Manual

Page: 6 / 16

6
S p e c i f i c a t i o n s
* Plus any pressure loss at the tap mixer
Special accessories
■
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.
Rated power [kW] 13.2 18 21 24
Rated voltage 400 V3~ 400 V3~ 400 V3~ 400 V3~
Warm Water Quantity at Rated Power
for temperature increases of:
12 °C to 38 °C [l/min] 7.3 9.9 11.6 13.2
12 °C to 60 °C [l/min] 3.9 5.4 6.3 7.2
Switch-on quantity [l/min] 2.6 2.6 2.6 2.6
Switch-on flow pressure * [MPa (bar)] 0.025 (0.25) 0.025 (0.25) 0.025 (0.25) 0.025 (0.25)
Flow pressure
(at rated power and 60 °C)*
With flow limiter [MPa (bar)] 0.022 (0.22) 0.028 (0.28) 0.035 (0.35) 0.048 (0.48)
Without flow limiter [MPa (bar)] 0.007 (0.07) 0.013 (0.13) 0.020 (0.20) 0.026 (0.26)
Operative range in waters of
specific electric resistance at 15 °C
[
Ω
cm]
≥
1300
≥
1300
≥
1300
≥
1300
Rated pressure [MPa (bar)] 1 (10) 1 (10) 1 (10) 1 (10)
Maximum permissible
supply temperature
[°C] 20 20 20 20
Maximum mains impedance
at connection site
[
Ω]
– – –
≤
0,41
G 1 2 A
472
139
152
236
20
100
332
42
388
GB