12
en
Specifications
DH18100M DH21100M DH24100M
Rated power [kW]
18 21 24
Rated voltage
400 V 3 ~ 400 V 3 ~ 400 V 3 ~
Heating capacity – economy setting e [kW]
–
1st stage 6 7 8
2nd stage 12 14 16
Heating capacity – intensive setting II [kW]
1st stage 9 10.5 12
2nd stage 18 21 24
Switch-on point [I/min]
1st stage 4.0 4.5 5.0
2nd stage 5.0 5.8 6.6
Mixed water [I/min] at rated power
approx. 38 °C 9.8 11.5 13.1
approx. 50 °C
(supply temperature 12 °C)
6.7 7.8 9.0
Minimum flow pressure of appliance* [MPa (bar)]
with flow limiter 0.6 (6) 0.8 (8) 0.9 (9)
without flow limiter 0.4 (4) 0.5 (5) 0.6 (6)
Energy efficiency class
BBB
Load profile
SSS
Annual energy consumption [kWh]
495 497 501
Daily energy consumption [kWh]
2.301 2.313 2.337
Sound power level [dB]
15 15 15
Hot water heating energy efficiency [%]
37.2 37.1 36.8
* The pressure loss on the mixer must also be added.
VII.
Dimensions
Special accessories
■ BZ45U20 Pipe set: for use of the continuous-flow heater
as an under sink appliance
■ Intermediate terminal block BZ45Z20M: Required when
the mains connecting cable is fed in through the bottom
access hole 14a.
■ Priority switch (load shedding relay) BZ45L21:
for operation with a priority circuit
■ Mounting kit BZ45K24M: for surface mount installation
■ Truncated connecting piece sealed at rear for water con-
nection from below (e. g. cold water connection via fitting
mounted below heater):
Elbow joint, “cold” (right) Order no. 056169
Elbow joint, “hot”, (left) Order no. 255568
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