User Manual
26 | HDB-E Si www.stiebel-eltron.com
INSTALLATION
SpeciÐcation
15. Specification
15.1 Dimensions and connections
b02
c01c06
470
100
414
40
11720225
140
35
368
30
338
47
b03
D0000023609
b02 Entry electrical cables I
b03 Entry electrical cables II
c01 Cold water inlet Male thread G 1/2 A
c06 DHW outlet Male thread G 1/2 A
15.2 Wiring diagram
3/PE ~ 380 - 415 V
85_02_02_0005
1 Bare wire heating system
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”.
85_02_02_0003_
2
1
1 Control cable to the contactor of the second appliance (e.g.
electric storage heater).
2 Control contact opens when switching the instantaneous
water heater on.
15.3 Mixed water volume / outlet volume
The values are relative to a rated voltage of 400V. The mixed water
volume and outlet volume are subject to the available supply pres-
sure and the available mains voltage.
Available temperature approx. 38 °C in the shower, for hand wash-
ing, filling the bath etc.
61014
4
5
6
7
8
9
10
11
12
13
14
15
4
3
2
1
84_02_02_0038
Outlet temperature approx. 55°C for the kitchen sink and when
using thermostatic valves.
2
3
4
5
6
7
8
9
10
61014
4
3
2
1
84_02_02_0039
X Cold water inlet temperature in °C
Y Mixed water volume / outlet volume in l/min
1 HDB-E 12 Si
2 HDB-E 18 Si
3 HDB-E 21 Si
4 HDB-E 24 Si