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STB restore button
5. Electric installation
5.1 General information
The electric installation of the boiler must be performed by a specialist. The lines must
be laid in compliance with applicable regulations. The boiler is ready ex works for con-
nection.
5.2 Heating circuit pump
The heating circuit pump for the heating system is connected to the connection fastener
in the basic unit. The switch for the pump is on the comfort control of the
boiler.
5.3 Heating circuit mixing valve
The heating circuit mixing valve for the heating system is connected to the connection
fastener in the basic unit.
5.4 Safety temperature limiter (STB)
For extremely cold storage of the boiler, the safety temperature limiter can be
initiated. It is restored with the button at the front of the power pack.
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