STIEBEL ELTRON HDB-E 18 Si User Manual

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www.stiebel-eltron.com HDB-E Si | 31
INSTALLATION
Specication
15.7 Details on energy consumption
Product data complies with EU regulations relating to the Directive
on the ecodesign of energy related products (ErP).
HDB-E 12 Si HDB-E 18 Si HDB-E 21 Si HDB-E 24 Si
232003 232004 232005 232006
Manufacturer STIEBEL ELTRON STIEBEL ELTRON STIEBEL ELTRON STIEBEL ELTRON
Load profile S S S S
Energy efficiency class A A A A
Annual power consumption kWh 468 480 477 475
Energy conversion efficiency % 39 39 39 39
Default temperature setting °C 55 55 55 55
Special information on measuring efficiency None None None None
15.8 Data table
HDB-E 12 Si HDB-E 18 Si HDB-E 21 Si HDB-E 24 Si
232003 232004 232005 232006
Electrical data
Rated voltage V 380 400 415 380 400 415 380 400 415 380 400 415
Rated output kW 9.7 10.7 11.5 16.2 18 19.4 19 21 22.6 21.7 24 25.8
Rated current A 14.4 15.5 16 24.7 26 27 29.5 31 32.2 33.3 35 36.3
MCB/fuse rating A 16 16 16 25 25 32 32 32 32 35 35 40
Phases 3/PE 3/PE 3/PE 3/PE
Frequency Hz 50/60 50/60 50/- 50/60 50/60 50/- 50/60 50/60 50/- 50/60 50/60 50/-
Max. mains impedance at 50Hz Ω 0.379 0.360 0.347 0.325 0.308 0.297 0.284 0.270 0.260
Specific resistance ρ
15
≥ (at ϕcold ≤35°C) Ω cm ≥1100 ≥1100 ≥1200 ≥1100 ≥1100 ≥1200 ≥1100 ≥1100 ≥1200 ≥1100 ≥1100 ≥1200
Specific conductivity σ
15
≤ (at ϕcold ≤35°C) μS/cm ≤910 ≤910 ≤830 ≤910 ≤910 ≤830 ≤910 ≤910 ≤830 ≤910 ≤910 ≤830
Connections
Water connection G 1/2 A G 1/2 A G 1/2 A G 1/2 A
Application limits
Max. permissible pressure MPa 1 1 1 1
Values
Max. permissible inlet temperature °C 35 35 35 35
On l/min >2.3 >2.3 >2.3 >2.3
Flow rate for pressure drop l/min 3.1 5.2 6.0 6.9
Pressure drop at flow rate MPa 0.07 (0.02 without
DMB)
0.08 (0.06 without
DMB)
0.10 (0.08 without
DMB)
0.13 (0.1 without DMB)
Flow rate limit at l/min 4 7.5 7.5 8.5
DHW delivery l/min 5.5 9.0 10.5 12
Δϑ on delivery K 28 28 28 28
Hydraulic data
Nominal capacity l 0.4 0.4 0.4 0.4
Versions
Temperature setting range °C 55 55 55 55
Safety category 1 1 1 1
Insulating block Plastic Plastic Plastic Plastic
Heating system heat generator Bare wire Bare wire Bare wire Bare wire
Cover and back panel Plastic Plastic Plastic Plastic
Colour white white white white
IP rating IP25 IP25 IP25 IP25
Dimensions
Height mm 470 470 470 470
Width mm 225 225 225 225
Depth mm 117 117 117 117
Weights
Weight kg 3.6 3.6 3.6 3.6

STIEBEL ELTRON HDB-E 18 Si Specifications

General

Brand	STIEBEL ELTRON
Model	HDB-E 18 Si
Category	Water Heater
Language	English