Wiring Diagram; Dhw Output - STIEBEL ELTRON DEL 21 SL electronic LCD Operation And Installation

Electronically controlled instantaneous water heater
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INSTALLATION
Specification
Alternative connection options
b04
b04
b02 Entry electrical cables I
b03 Entry electrical cables II
b04 Entry electrical cables III
c01
Cold water inlet
c06
DHW outlet

15.2 Wiring diagram

3/PE ~ 380-415 V
1 Heater
2 High limit safety cut-out
3 Safety pressure limiter
Priority control with load shedding relay (LR 1-A)
See also chapter "Appliance description / Accessories".
www.stiebel-eltron.com
b04
47
b03
b04
b02
30
165
b04
DEL SL
Male thread
Male thread
2
1
1 Control cable to contactor of second appliance (e.g. electric
storage heater).
2 Control contact, opens when instantaneous water heater is
switched on.

15.3 DHW output

The DHW output is subject to the mains voltage, the connected
load of the appliance and the cold water inlet temperature.
The rated voltage and rated output can be found on the type plate
(see chapter "Troubleshooting").
Connected load in kW
Rated voltage
380 V
400 V
16,2
G 1/2 A
16,3
G 1/2 A
18,0
19,0
21,0
21,7
23,5
24,0
24,4
26,0
27,0
Connected load in kW
Rated voltage
380 V
400 V
16,2
16,3
18,0
19,0
21,0
21,7
23,5
24,0
24,4
26,0
27,0
38 °C DHW output in l/min.
Cold wateri nlet temperature
415 V
5 °C
10 °C
15 °C
7,0
8,3
7,1
8,3
7,8
9,2
8,2
9,7
19,4
8,4
9,9
9,1
10,7
9,4
11,1
22,6
9,8
11,5
10,2
12,0
10,4
12,2
10,6
12,4
25,8
11,2
13,2
11,3
13,3
11,7
13,8
50 °C DHW output in l/min.
Cold wateri nlet temperature
415 V
5 °C
10 °C
15 °C
5,1
5,8
5,2
5,8
5,7
6,4
6,0
6,8
19,4
6,2
6,9
6,7
7,5
6,9
7,8
22,6
7,2
8,1
7,5
8,4
7,6
8,6
7,7
8,7
25,8
8,2
9,2
8,3
9,3
8,6
9,6
DEL SL electronic LCD |
20 °C
10,1
12,9
10,1
12,9
11,2
14,3
11,8
15,1
12,0
15,4
13,0
16,7
13,5
17,2
14,0
17,9
14,6
18,7
14,9
19,0
15,2
19,4
16,0
20,5
16,1
20,6
16,8
21,4
20 °C
6,6
7,7
6,7
7,8
7,3
8,6
7,8
9,0
7,9
9,2
8,6
10,0
8,9
10,3
9,2
10,8
9,6
11,2
9,8
11,4
10,0
11,6
10,5
12,3
10,6
12,4
11,0
12,9
37

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