STIEBEL ELTRON DEM 3 Bedienung Und Installation Seite 50

INSTALLATIoN
Specification
15.2.3 DEM 7
2/PE ~ 380-400 V
ϑ
3
V >
2
p >
1
1 Safety pressure limiter
2 Pressure differential switch
3 PCB with outlet temperature sensor
50 | DEM
L L
L L
15.3 Temperature increase
At 230 V / 400 V, the following water temperature increases occur:
45,0
42,5
40,0
37,5
35,0
32,5
30,0
27,5
25,0
22,5
20,0
1,4 1,8 2,2
X Flow rate in l/min
Y Temperature increase in K
1 3.5 kW - 230 V
2 4.4 kW - 230 V
3 5.7 kW - 230 V
4 6.5 kW - 400 V
Example DEM 3 with 3.5 kW
Flow rate
Temperature increase
Cold water inlet temperature
Maximum possible outlet temperature
2,6 3,0 3,4
l/min
K
°C
°C
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4
3
2
1
2.0
25
12
37