Operating Instructions and Installation Instructions
ENGLISH
www.stiebel-eltron.com DHB-E AU| 17
INSTALLATION
Specication
15.6 Fault conditions
In case of faults, loads up to 95°C at a pressure of 1.0MPa can
occur temporarily in the installation.
15.7 Data table
DHB-E 13 AU DHB-E 18 AU DHB-E 27 AU
232360 233986 233987
Electrical data
Rated voltage V 380 400 415 380 400 415 380 400 415
Rated output kW 12.2 13.5 14.5 16.2 18 19.4 23.5 26 28
Rated current A 18.5 19.5 20.2 24.7 26 27 35.6 37.7 38.9
Fuse/MCB rating A 20 20 20 25 25 32 40 40 40
Phases 3/PE 3/PE 3/PE
Frequency Hz 50/60 50/60 50/- 50/60 50/60 50/- 50/- 50/- 50/-
Specific resistance ρ
15
≥ (at ϑcold ≤25°C) Ω cm 900 900 1000 900 900 1000 900 900 1000
Specific conductivity σ
15
≤ (at ϑcold ≤25°C) μS/cm 1111 1111 1000 1111 1111 1000 1111 1111 1000
Specific resistance ρ
15
≥ (at ϑcold ≤45°C) Ω cm 1200 1200 13000 1200 1200 1300 1200 1200 1300
Specific conductivity σ
15
≤ (at ϑcold ≤45°C) μS/cm 833 833 770 833 833 770 833 833 770
Max. mains impedance at 50Hz Ω 0.474 0.450 0.433 0.316 0.300 0.289
Max. mains impedance at 60Hz Ω 0.392 0.372
Connections
Water connection G 1/2 A G 1/2 A G 1/2 A
Application limits
Max. permissible pressure MPa 1 1 1
Max. inlet temperature for reheating °C 45 45 45
Values
Max. permissible inlet temperature °C 60 60 60
On l/min >3.0 >3.0 >3.0
Flow rate for pressure drop l/min 5.2 5.2 7.7
Pressure drop at flow rate MPa 0.08 (0.06 without DMB) 0.08 (0.06 without DMB) 0.16 (0.12 without DMB)
Flow rate limit at l/min 7.5 7.5 8.5
DHW delivery l/min 6.9 9.2 13.8
Δϑ on delivery K 28 28 28
Hydraulic data
Nominal capacity l 0.4 0.4 0.4
Versions
Connected load options -
Temperature setting °C 30-50 30-60 30-60
Safety category 1 1 1
Insulating block Plastic Plastic Plastic
Heating system Bare wire Bare wire Bare wire
Cover and back panel Plastic Plastic Plastic
Colour white white white
IP rating IP25 IP25 IP25
Dimensions
Height mm 478 478 478
Width mm 225 225 225
Depth mm 105 105 105
Weights
Weight kg 3.6 3.6 3.6