Installation specification, 2 wiring diagrams and connections – STIEBEL ELTRON SHD ... S с 13.04.2009 User Manual
Page 25
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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