Application Areas / Conversion Table; Pressure Drop; Fault Conditions; Test Symbols - STIEBEL ELTRON DEL 18 Plus Bedienung Und Installation

INsTALLATIoN
Specification
Connected load in kw 50 °C DHW output in l/min.
rated voltage Cold water inlet temperature
380 V 400 V 415 V
16.2
19
21.7
18
21
24
19.4
22.6
25.8
24.4
27
17.4 Application areas / Conversion table
Specific electrical resistance and specific electrical conductivity
standard specifica-
tion at 15 °C 20 °C
Conductivity σ ≤ Resist-
Resist-
ance ance
ρ ≥ ρ ≥
Ωcm mS/m μS/cm Ωcm
900 111 1111 800

17.8 Energy consumption data

The product data complies with EU regulations relating to the
directive on the ecodesign of energy related products (ErP).
Manufacturer
Load profile
Energy efficiency class
Energy conversion efficiency
Daily power consumption
Annual power consumption
Default temperature setting
Sound power level
Special information on measuring efficiency
38 | DEL Plus
5 °C 10 °C 15 °C
5.1 5.8 6.6
6.0 6.8 7.8
6.9 7.8 8.9
5.7 6.4 7.3
6.7 7.5 8.6
7.6 8.6 9.8
6.2 6.9 7.9
7.2 8.1 9.2
8.2 9.2 10.5
7.7 8.7 10.0
8.6 9.6 11.0
25 °C
Conductivity σ ≤ Resist- Conductivity σ ≤
ance
ρ ≥
mS/m μS/cm Ωcm mS/m
125 1250 735 136
%
kWh
kWh
°C
dB(A)
Measured at ECO level with greatest flow, maximum

17.5 Pressure drop

20 °C
Taps/valves
7.7
9.0
Tap pressure drop at a flow rate of 10 l/min
10.3
Mono lever mixer tap, approx.
8.6
Thermostatic valve, approx.
10.0
Shower head, approx.
11.4
9.2
Sizing the pipework
10.8
12.3
When calculating the size of the pipework, an appliance pressure
11.6
drop of 0.1 MPa is recommended.
12.9

17.6 Fault conditions

In the event of a fault, loads up to 80 °C at a pressure of 1.0 MPa
can occur briefly in the installation.

17.7 Test symbols

See type plate on the appliance.
μS/cm
1361
DEL 18/21/24 Plus
236739
STIEBEL ELTRON
S
A
39
2.211
480
60
15
output and maximum set value.
MPa
MPa
MPa
Measured at ECO level with greatest flow and maxi-
www.stiebel-eltron.com
0.04 - 0.08
0.03 - 0.05
0.03 - 0.15
DEL 27 Plus
236740
STIEBEL ELTRON
S
A
39
2.217
481
60
15
mum set value.