STIEBEL ELTRON DEM 3 - Page 51

ENGLISH
www.stiebel-eltron.com DEM | 51
INSTALLATION

15.4 Application areas
Electrical resistivity and electrical conductivity, see "Installation/
Specification/ Data table"
Standard specifica-
  
Resis-
tivity
ρ ≥
Conductivity σ ≤ Resis-
tivity
ρ ≥
Conductivity σ ≤ Resis-
tivity
ρ ≥
Conductivity σ ≤
Ωcm mS/m μS/cm Ωcm mS/m μS/cm Ωcm mS/m μS/cm
1000 100 1000 890 112 1124 815 123 1227
1300 77 769 1175 85 851 1072 93 933
15.5 Energy consumption data
Product datasheet: Conventional water heaters to regulation (EU) no. 812/2013 | 814/2013 / (S.I. 2019 No. 539 / Programme 2)
DEM 3 DEM 4 DEM 6 DEM 7
231001 231002 231215 232769
Manufacturer STIEBEL ELTRON STIEBEL ELTRON STIEBEL ELTRON STIEBEL ELTRON
Load profile XXS XXS XXS XS
Energy efficiency class A A A A
Energy conversion efficiency % 39 39 39 40
Annual power consumption kWh 478 478 478 467
Default temperature setting °C 38 38 38 38
Sound power level dB(A) 15 15 15 15
Special information on efficiency measurement none none none none
Daily power consumption kWh 2.200 2.200 2.200 2.130