STIEBEL ELTRON DEM 3 - Page 52

INSTALLATION

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 3.53 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
Fuse protection A 16 20 25 25 25 32 16 20
Frequency Hz 50/60 50/60 50/60 50/-
Phases 1/N/PE 1/N/PE 1/N/PE 2/PE
Resistivity ρ
15
≥ (at ϑcold ≤25°C) Ω cm 1000 1000 1000 1000
Conductivity σ
15
≤ (at ϑcold ≤25°C) μS/cm 1000 1000 1000 1000
Resistivity ρ
15
≥ (at ϑcold ≤50°C) Ω cm 1300 1300 1300 1300
Conductivity σ
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 0.236 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 55 55 55 55
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 2.0 2.2 3.2 3.2
DHW delivery l/min 2.0 2.5 3.2 3.7
Δϑ on delivery K 25 25 25 25