beautypg.com

Installation specification, 2 wiring diagrams and connections – STIEBEL ELTRON SHD ... S с 13.04.2009 User Manual

Page 25

background image

www.Stiebel-eltron.CoM

SHD S |

25

EN

G

L

IS

H

inStallation

SpeCifiCation

16.2 wiring diagrams and connections

5

6

1

55 °C

3

85 °C

4

2

7

26

�0

2�

07

�0

00

1

1 Operating mode switch
2 Electronic assembly with zero volt and switching relay
3 Booster heater pushbutton
4 Thermostat
5 Pressure switch for protective anode
6 High limit safety cut-out
7 Heating element

Heating element

1

2

3

4

kW

7.0

7.0

3.5

3.5

Instantaneous DHw cylinder operation

3.5/21 kW, 3/PE ~ 400 V

26

�0

2�

07

�0

10

4

Dual-circuit operation

Single-meter counting with power-OFF contact: 3.5/21 kW, 3/PE ~ 400 V

26

�0

2�

07

�0

10

6

1

1 Power-OFF contact

Dual-meter counting with power-OFF contact: 3.5/21 kW, 3/PE ~ 400 V

1

26

�0

2�

07

�0

00

3

1 Power-OFF contact

Single circuit operation

21 kW, 3/PE ~ 400 V

26

�0

2�

07

�0

10

5

load shedding relay lr 1-a

26

�0

2�

07

�0

10

7

1

2

3

1 Load shedding relay
2 Control contact, opens when switching on the SHD S
3 Control cable to the contactor of the second appliance