Shutting down the system
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Installation and Servicing Instructions Logamax plus GB142-24/30/45/60 • Version 12/2004
Buderus Hydronic Systems • http://www.buderus.net
11
Shutting down the system
11.1 Shut down the heating system using
the control unit
Shut down your heating system using the BC10 basic
controller. When the BC10 basic controller is shut down,
the burner is also switched off automatically. Further
information on how to operate the BC10 basic controller
can be found in chapter 10 "BC10 basic controller",
page 36.
z
Switch off the heating system using the main switch.
z
Close the main shut-off valve or the gas shut-off
valve.
11.2 Shutting down the heating system in
the event of an emergency
You must immediately close the main shut-off valve or
gas shut-off valve and disconnect the power from the
heating system.
z
Close the main shut-off valve.
DANGER
The heating system may freeze if it is not
operational in times of frost.
Protect the heating system against freezing if
there is a danger of frost affecting the system.
Drain the heating system water from the
lowest point of the heating system.
The vent screw at the highest point of the
heating system must then be open.
DANGER
Should overheating occur or gas supply fail to
shut off, turn off the manual gas control valve
to the appliance.