E-comfort instant water heater
DCX Next L

Energy efficiency class A

(Scale: A+ to F)

DCX Next L: 18/21/24/27 kW, 400 V

Technical data
Downloads
Accessories

This is where the DCX Next L is used.

Handwashbasin
Shower
Bath tub
Kitchen sink

Beautiful views: stepless hot water.

New product
The DCX Next L is conveniently controlled via an LED display with sensor buttons. The two memory keys are preset to 38 °C and 42 °C and can be individually adjusted. Unit parameters can be read out and set via a service menu.

Awards E-comfort instant water heater DCX Next L

Electronically controlled comfort instantaneous water heater with sensor control panel and LED display
Precise temperatures between 20 °C and 60 °C thanks to TWIN TEMPERATURE Control TTC.
Particularly air-resistant heating system thanks to innovative heating channel arrangement
Bare-wire heating system IES ensures a longer service life, less calcification and is efficient and easy to maintain
Electronic safety system with air bubble detection, temperature and pressure shut-off
Multiple Power System MPS determines the maximum power consumption at installation: 18, 21, 24 or 27 kW, 400 V
Easy installation thanks to free installation space and variable connection options
Suitable for water-saving fittings: particularly low switch-on water quantity from 1.5 l/min thanks to innovative water flow technology
Dimensions (height × width × depth): 46.8 × 23.9 × 9.6 cm

Technical data

Data. Values. Facts.



DCX Next L

Part number

Nominal power rating ¹⁾ (variably adjustable due to MPS) at 400 V [kW]

Permissible operating pressure [MPa (bar)] ²⁾

Water connections (thread connections)

Hot water output at Δt = 28 K ³⁾ [l/min]

Switch-on flow rate [l/min]

Maximum flow rate ⁴⁾ [l/min]

Supply voltage [3~ / PE 400 V AC] Permanent connection ⁵⁾

Nominal current at 400 V [A]

Required cable diameter [mm²]

Maximum inlet temperature [°C]

Solar-ready ⁶⁾

Protection class

Specific water resistance at 15 °C [Ωcm] ≥

Weight filled with water [kg], approx.

3200-36451
18	21	24	27
1 (10)	1 (10)	1 (10)	1 (10)
G ½"	G ½"	G ½"	G ½"
9.2	10.7	12.3	13.8
1.5	1.5	1.5	1.5
8.0	8.0	8.0	8.0

26	30	35	39
4.0	4.0	6.0	6.0
70	70	70	70

IP 25	IP 25	IP 25	IP 25
1100	1100	1100	1100
4.2	4.2	4.2	4.2

1) The selected power rating determines the values of nominal current, cable diameter and hot water output

2) Also approved for pressureless operation

3) Temperature increase e.g. from 12 °C to 40 °C, mixed water

4) Limited flow amount for optimal temperature increase

5) Alternatively connectable to 380 V

6) Suitable for reheating

Downloads

	Media type	Title	Date	Size
Product information sheet DCX-Next-L-PI-en.pdf 15.01.2024 > download	Product information sheet	DCX-Next-L-PI-en.pdf	15.01.2024	574 kB > download
Operating and installation instructions DCX-Next-L-Online-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr.pdf 25.10.2023 > download	Operating and installation instructions	DCX-Next-L-Online-GMA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr.pdf	25.10.2023	38,7 MB > download
Quick guide DCX-Next-L-KA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr.pdf 17.12.2024 > download	Quick guide	DCX-Next-L-KA-de-en-fr-nl-pt-es-pl-ru-cs-sk-bg-sr.pdf	17.12.2024	7,0 MB > download
Safety instructions Sicherheitshinweise-Durchlauferhitzer-de-en-fr-nl-pt-es-pl-sv-cs-sk-bg-no-fi-ru-sr-el-it-tr-ro.pdf 03.11.2023 > download	Safety instructions	Sicherheitshinweise-Durchlauferhitzer-de-en-fr-nl-pt-es-pl-sv-cs-sk-bg-no-fi-ru-sr-el-it-tr-ro.pdf	03.11.2023	371 kB > download
Energy label DCX-Next-L-Energielabel-2023.pdf 24.10.2023 > download	Energy label	DCX-Next-L-Energielabel-2023.pdf	24.10.2023	231 kB > download
CE Conformity CE-Konformitaetserklaerung-nach-RED+RoHS3-DX3-2023-04.pdf 21.04.2023 > download	CE Conformity	CE-Konformitaetserklaerung-nach-RED+RoHS3-DX3-2023-04.pdf	21.04.2023	3,1 MB > download
Product photo DCX-Next-L-frontal.jpg 20.09.2023 > download	Product photo	DCX-Next-L-frontal.jpg	20.09.2023	294 kB > download
Datanorm Datanorm.zip 03.06.2024 > download	Datanorm	Datanorm.zip	03.06.2024	40 kB > download
GAEB GAEB.zip 03.06.2024 > download	GAEB	GAEB.zip	03.06.2024	725 kB > download

Accessories

RDX 3 (optional)

If required, the universal mounting frame RDX 3 is available as an accessory, with which the electrical connection can be made at any point behind the device. The IP protection class of the device with RDX 3 is IP24. With electrical wiring and pipe extensions. For difficult installation conditions, e.g. replacement of a flow heater with different connections. Compensates for tile projections or wall unevenness. Installation only by a specialist.

RDX 3: Part no. 3200-36100