STIEBEL ELTRON DEM 3 - Data Table

INSTALLATION
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52 | DEM www.stiebel-eltron.com
15.6 Data table
DEM 3 DEM 4 DEM 6 DEM 7
231001 231002 231215 232769
Electrical data
Rated voltage V 200 220 230 240 200 220 230 240 200 220 230 240 380 400
Rated output kW 2.7 3.2 3.5 3.8 3.3 4.0 4.4 4.8 4.3 5.2 5.7 6.2 5.9 6.5
Rated current A 13.3 14.5 15.2 15.8 16.7 18.2 19.1 20.0 21.6 23.6 24.7 25.8 15.5 16.3
MCB/fuse rating A 16 16 16 16 20 20 20 20 25 25 25 32 16 20
Frequency Hz 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/60 50/- 50/-
Phases 1/N/PE 1/N/PE 1/N/PE 2/PE
Specific resistance ρ
15
≥ (at ϑcold ≤25°C) Ω cm 1000 1000 1000 1000
Specific conductivity σ
15
≤ (at ϑcold ≤25°C) μS/cm 1000 1000 1000 1000
Specific resistance ρ
15
≥ (at ϑcold ≤50°C) Ω cm 1300 1300 1300 1300
Specific conductivity ρ
15
≤ (at ϑcold ≤ 50°C) μS/cm 770 770 770 770
Max. mains impedance at 50Hz Ω 0.091 0.083 0.079 0.076 0.072 0.065 0.063 0.06 0.056 0.051 0.049 0.047
Max. Netzimpedanz bei 380V / 50Hz Ω 0.236
Max. mains impedance at 400V/ 50Hz Ω 0.225
Connections
Water connection G 3/8 A G 3/8 A G 3/8 A G 3/8 A
Application limits
Max. permissible pressure MPa 1 1 1 1
Max. inlet temperature for reheating °C 50 50 50 50
Values
Max. permissible inlet temperature °C 60 60 60 60
Temperature setting range, DHW °C 30-50 30-50 30-50 30-50
On l/min >1.5 >1.8 >2.2 >2.2
Pressure drop at flow rate MPa 0.05 0.06 0.07 0.07
Flow rate for pressure drop l/min 1.5 1.8 2.2 2.2
Flow rate limit at l/min 2.3 2.8 3.2 3.2
293811_DEM 3-7_de_en_fr_nl.indb 52 11.10.2017 13:34:57