Siemens DE 18405, Руководство по установке

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5
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] 18 21 24 27
Rated voltage 380 – 415 V 380 – 415 V 380 – 415 V 400 V3~
Warm Water Quantity at Rated Power
for temperature increases of:
12 °C to 38 °C [l/min] 9.9 11.6 13.2 13.9
12 °C to 60 °C [l/min] 5.4 6.3 7.2 7.6
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)] 0.028 (0.28) 0.035 (0.35) 0.048 (0.48) 0.064 (0.64)
Without flow limiter [MPa (bar)] 0.013 (0,13) 0.020 (0,20) 0.026 (0,26) 0.035 (0,35)
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] 35 35 35 35
Maximum mains impedance
at connection site
[
Ω
] –
≤
0,44
≤
0,36
≤
0,33
G 1 2 A
472
122
135
231
20
100
332
42
388
GB