Stiebel Eltron DHF 24 C [14/52] Technical data
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Stiebel Eltron DHF 24 C [14/52] Technical data

Stiebel Eltron DHF 24 C [14/52] Technical data
14
2.6 Installation location
The DHF ... C compact control is to
be installed vertically in accordance
with
A
(over-sink or under-sink) in a
closed, frost-free room, as near as possible
to the tap point (a dismantled unit is to be
stored in frost-free conditions, since resi-
dual water always remains in the unit).
Table 3
* Pressure drop values also apply to the minimum flow pressure in accordance with DIN 44851 / Flow rate for heating from 10 °C to 55 °C
(% # 45 K). A pressure drop of 0.1 MPa (1 bar) is recommended for pipe network dimensioning, in line with DIN 1988 Part 3, Table 4.
2.5 Technical data (the data on the unit rating plate are applicable)
Electrical connection 3/PE ~ 400 V 1/N/PE ~ 3/PE ~ 230 V
220/230 V
Max. system-impedance
Z max
to DIN EN 61000-3-11 $ 0.14
Protection mode to
DIN EN 60529 IP 24
Typ DHF 13 C DHF 15 C DHF 18 C DHF 21 C DHF 24 C DHF 12 C1 DHF 13 C3
compact compact compact compact compact compact compact
control control control control control control control
Heat output V 400 400 400 400 400 220 230 230
Partial power Stage ! kW 6.6 7.5 9 10.5 12 8 8.8 6.6
Rated power Stage !! kW 13.2 15 18 21 24 12 13.2 13.2
Min. flow rate to activate unit
Stage ! l/min 3.0 3.0 3.9 4.4 4.9 3.0 3.0
Stage !! l/min 4.5 4.5 5.9 6.4 7.6 4.5 4.5
Flow rate limiter l/min 6.5 6.5 7.0 7.5 8.0 6.5 6.5
Pressure loss * MPa (bar) 0.055 (0.55) 0.055 (0.55) 0.06 (0.6) 0.06 (0.6) 0.07 (0.7) 0.055 (0.55) 0.055 (0.55)
Flow rate l/min 4.5 4.5 5.9 6.4 7.6 4.5 4.5
Nominal water volume l 0,6
Type of construction Closed
Rated overpressureMPa (bar) 1 (10)
Weight kg 4.0
Protection class to
DIN EN 60335 1
Test mark See unit rating plate
Water connection G ½ (external thread)
Heating element Copper tubular heating element
Cold water inlet & 20 °C
Use in waters
Total alkaline earths & 2.5 mol/m³
Overall hardness (earlier unit) & 14 °d
Hardness range (earlier unit) Inclusive of 2 (medium hard)
2.7 Preparing for unit instal-
lation
B
Turn locking cap (3) to the left and with-
draw.
Unscrew cover securing screw and re-
move device cover.
– Detach mounting bracket (19) from the
unit.
– Thoroughly flush through the cold water
supply pipe.
– In the case of a replacement installation,
the available cold water 3-way three-way
isolating valve (
D
, 6) can if necessary be
used.
– With the help of the template (separate
this from the operating and installation
instructions), determine the position of
the cable entry (concealed connection)
and the mounting bracket (19).
G
Cut the electrical connection cable to
length and strip.
C
Secure the mounting bracket.
When replacing DHF/DHA old models
(height 370 mm), the available drilled
securing holes (20) can be used.
– Secure the unit to mounting bracket with
the screwed sleeve (14). Using the nut
on the threaded bolt (21), unevennesses
in the wall, caused for example by mis-
aligned tiles, can be compensated for
(maximum 12 mm).

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2 5 Technical data the data on the unit rating plate are applicable Typ DHF13C compact control Heat output Partial power Stage kW Rated power Stage kW V DHF15 C compact control DHF 18 C compact control DHF 21 C compact control DHF 24 C compact control DHF 12 C1 compact control 400 6 6 13 2 400 7 5 15 400 9 18 400 10 5 21 400 12 24 Min flow rate to activate unit Stage l min Stage l min 3 0 4 5 3 0 4 5 3 9 5 9 4 4 6 4 4 9 7 6 3 0 4 5 3 0 4 5 Flow rate limiter 6 5 6 5 7 0 7 5 8 0 6 5 6 5 I mm Pressure loss MPa bar Flow rate l min Nominal water volume 0 055 0 55 4 5 0 055 0 55 4 5 0 06 0 6 5 9 0 06 0 6 6 4 I 230 6 6 13 2 0 055 0 55 4 5 0 055 0 55 4 5 1 N PE 220 230 V 3 PE 230 V 0 6 Type of construction Closed Rated overpressure MPa bar Weight 0 07 0 7 7 6 220 230 8 8 8 12 13 2 DHF13 C3 compact control 1 10 kg 4 0 Protection class to DIN EN 60335 1 Protection mode to DIN EN 60529 IP 24 Test mark Water connection Electrical connection See unit rating plate G J6 external thread 3 PE 400 V Max system impedance Z max to DIN EN 61000 3 11 Q 0 14 Heating element Copper tubular heating element Cold water inlet 20 C Use in waters Total alkaline earths Overall hardness earlier unit Hardness range earlier unit 2 5 mol m3 14 d Inclusive of 2 medium hard Table 3 Pressure drop values also apply to the minimum flow pressure in accordance with DIN 44851 Flow rate for heating from 10 C to 55 C A d 45 K A pressure drop of 0 1 MPa 1 bar is recommended for pipe network dimensioning in line with DIN 1988 Part 3 Table 4 2 6 Installation location The DHF C compact control is to f be installed vertically in accordance with  over sink or under sink in a closed frost free room as near as possible to the tap point a dismantled unit is to be stored in frost free conditions since resi dual water always remains in the unit 2 7 Preparing for unit instal lation B Turn locking cap 3 to the left and with draw Unscrew cover securing screw and re move device cover Detach mounting bracket 19 from the unit Thoroughly flush through the cold water supply pipe In the case of a replacement installation the available cold water 3 way three way isolating valve D 6 can if necessary be used With the help of the template separate this from the operating and installation instructions determine the position of the cable entry concealed connection and the mounting bracket 19 14 G Cut the electrical connection cable to length and stop C Secure the mounting bracket When replacing DHF DHA old models height 370 mm the available da I led securing holes 20 can be used Secure the unit to mounting bracket with the screwed sleeve 14 Using the nut on the threaded bolt 21 unevennesses m the wall caused for example by mis aligned tiles can be compensated for maximum 12 mm

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