12
en
Specifications
DH18100
DH21100
DH24100
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
B
B
B
Load profile
S
S
S
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
■
BZ 45K24 Pipe set: for use of the continuous-flow heater
as an under sink appliance
■
Intermediate terminal block BZ 45Z20: Required when the
mains connecting cable is fed in through the bottom ac-
cess hole 14a.
■
Priority switch (load shedding relay) BZ 45L21:
for operation with a priority circuit
■
Mounting kit BZ 45K24: 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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