Specification; Dimensions And Connections; Wiring Diagram; Domestic Hot Water Output - STIEBEL ELTRON DEL 18 Plus Bedienung Und Installation

INsTALLATIoN

Specification

17. Specification

17.1 Dimensions and connections

225
140
b02
30
100
c06
b02 Entry electrical cables I Installation on unfinished walls
c01 Cold water inlet Male thread
c06 DHW outlet Male thread
Alternative connection options
b03
b04
b04
b02 Entry electrical cables I Installation on unfinished walls
b03 Entry electrical cables II Installation on unfinished walls
b04 Entry electrical cables III Installation on finished walls
www.stiebel-eltron.com
≤ 20 105
35
116
c01
DEL Plus
b04
20
b02
b04
30
165
b04
DEL Plus

17.2 Wiring diagram

3/PE ~ 380-415 V
2
1
1 Power PCB with integral safety switch
2 Bare wire heating system
3 High limit safety cut-out
4 Mains terminal
Priority control with LR 1-A
G 1/2 A 2
G 1/2 A
1
1 Control cable to the contactor of the second appliance (elec-
tric storage heater, for example)
2 Control contact drops out when switching the instantaneous
water heater on.

17.3 Domestic hot water output

The DHW output is subject to the connected power supply, the
appliance's connected load and the cold water inlet temperature.
The rated voltage and rated output can be found on the type plate.
Connected load in kw
rated voltage
380 V 400 V
16.2
19
21.7
18
21
24
24.4
27
4
38 °C DHW output in l/min.
Cold water inlet temperature
415 V 5 °C 10 °C 15 °C
7.0 8.3
8.2 9.7
9.4 11.1
7.8 9.2
9.1 10.7
10.4 12.2
19.4 8.4 9.9
22.6 9.8 11.5
25.8 11.2 13.2
10.6 12.4
11.7 13.8
DEL Plus |
3
20 °C
10.1 12.9
11.8 15.1
13.5 17.2
11.2 14.3
13.0 16.7
14.9 19.0
12.0 15.4
14.0 17.9
16.0 20.5
15.2 19.4
16.8 21.4
37