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Technical data
*) In addition to the flow pressures of the instantaneous water heater itself, consideration
must be given to the pressure losses in the household pipework.
Model
Type unvented
Nominal capacity
l
0,4
Dimensions
Width
Height
Depth
mm
226
469
99
Weight
kg
3,9
Nominal overpressure
Mpa
Protection class to VDE
I
Protection type to VDE
IP 25 (splash-water protected)
Test mark
See rating plate
Water connection
G 1/2 A
Electrical connection
3 / PE ~ 380 V
Nominal output
kW
18
21
24
Spec. water resistance at
15 °C
Ohm cm
> 1100
Switch-on flow pressure*)
Mpa
0,035
Switch-on flowrate
l/min
3
Mains retroactive effect
Free from any mains retroactive effect
to DIN EN 60555/VDE 0838
VDEW Approval
Maximum inlet
temperature
°C
25 °C
IH E
24 basis
IH E
21basis
IH E
18 basis
Flowrate limitation l/min 8 9 10
0,04
0,03