STIEBEL ELTRON DHE 18/21/24 User Manual

INSTALLATION
Installation
76 | DHE www.stiebel-eltron.com
Permissible water line materials
- Cold water inlet line:
Pipes made from galvanised steel, stainless steel, copper or
plastic
- DHW outlet line:
Pipes made from stainless steel, copper or plastic
!
Material losses
If plastic pipework systems are used, take into account
the maximum inlet temperature and the maximum per-
missible pressure.
Flow rate
 Ensure that the flow rate for switching on the appliance is
achieved.
 If the required flow rate is not achieved when the draw-off
valve is fully open, increase the water line pressure.
10. Installation
Factory settings DHE 18/21/24 DHE 27
Internal anti-scalding protection °C 60 60
Connected load kW 21 27
Adjustable connected load x -
Standard installation DHE 18/21/24 DHE 27
Electrical connection from below on
unfinished walls
x x
Water connection on unfinished walls x x
For further installation options, see chapter "Alternative instal-
lation methods".
10.1 Standard installation
Opening the appliance
D0000053271

STIEBEL ELTRON DHE 18/21/24 Specifications

General

Type	Tankless (instantaneous)
Fuel type	Electric
Boiler system	Solo boiler system
Product color	White
Heater location	-
Placement supported	Vertical
International Protection (IP) code	IP25
Efficiency	39 %
Noise level	15 dB
Maximum power	24000 W
Thermostat range	20 - 60 °C
Domestic Hot Water (DHW) flow	- l/min
AC input voltage	400 V
AC input frequency	50 - 60 Hz
Energy efficiency scale	A+ to F
Annual energy consumption	476 kWh
Built-in display	Yes

Weight and Dimensions

Depth	116 mm
Width	225 mm
Height	466 mm
Weight	3100 g