10
EN
Specifications
DH1UF18M DH1UF21M DH1UF24M
Rated power
[kW] 18 21 24
Rated voltage
[V] 400 V 3~ 400 V 3~ 400 V 3~
Economy setting 1
1st stage [kW] 6 7 8
2nd stage [kW] 12 14 16
Intensive setting 2
1st stage [kW] 9 10.5 12
2nd stage [kW] 18 21 24
Switch-on point
1st stage [l/min] 4.0 4.5 5.0
2nd stage [l/min] 5.0 5.8 6.6
Mixed water at rated power
approx. 38 °C [l/min] 9.9 11.6 13.2
approx. 50 °C (supply temperature 12 °C) [l/min] 6.8 7.9 9.1
Minimum flow pressure of appliance*
with flow limiter [MPa (bar)] 0.07 (0.7) 0.08 (0.8) 0.09 (0.9)
without flow limiter [MPa (bar)] 0.04 (0.4) 0.05 (0.5) 0.06 (0.6)
Operative range in waters
of specific electric resistance at 15 °C
[Ωcm] ≥ 1300 ≥ 1300 ≥ 1300
Rated pressure
[MPa (bar)] 1 (10) 1 (10) 1 (10)
Maximum permissible supply temperature
[°C] 20 20 20
Energy efficiency class
AAA
Load profile
SSS
Annual energy consumption
[kWh] 481 483 483
Daily energy consumption
[kWh] 2.215 2.228 2.232
Sound power level
[dB] 15 15 15
Hot water heating energy efficiency
[%] 38.4 38.2 38.1
* Plus any pressure loss at the tap mixer
C
Dimensions
Special accessories
■ BZ45U20 Pipe set: for use of the continuous-flow heater
as an under sink appliance
■ Priority switch (load shedding relay) BZ45L21:
for operation with the priority circuit
■ Mounting set BZ45K23: for surface-mount installation
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