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installation
specification
16.2 connections
4
3
1 Remote control connection, booster heater /
cable grommet PG 11
2 Power supply cable / cable grommet PG 21
3 Cold water compression fitting G ½"
4 DHW compression fitting G ½"
16.3 wiring diagrams and connections
7
6
5
4
85 °C
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
kW
7.0
7.0
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2
1
1
2
3
55 °C
3
3.5
Instantaneous DHw cylinder operation
3.5/21 kW, 3/PE ~ 400 V
Dual-circuit operation
Single-meter counting with power-OFF contact: 3.5/21 kW, 3/PE ~ 400 V
1 Power-OFF contact
Dual-meter counting with power-OFF contact: 3.5/21 kW, 3/PE ~ 400 V
1 Power-OFF contact
Single circuit operation
21 kW, 3/PE ~ 400 V
4
3.5
1
1
sHd s |
25
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