Operation Manual

4
Shutting down the system
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4 Shutting down the system
This chapter explains how you shut down your boiler and
switch off the control panel and the burner. Furthermore,
it contains details on how to shut down your heating
system in an emergency.
B Shut off the fuel supply at the main fuel shut-off valve.
4.1 Switching off the control panel and
the burner
Shut down your boiler via the control panel (Æ Fig. 4).
The burner is automatically shut down when the control
panel is switched off.
B Set the ON/OFF switch (Æ Fig. 4, [2]) to "0" (OFF).
4.2 Shutting down the system in an
emergency
In other dangerous situations, immediately disconnect the
heating system from the electrical power grid by shutting
off the emergency shutoff switch or by disengaging the
heating system circuit breaker (Æ Chapter 1.2, page 3).
NOTICE: Risk of system damage from
freezing.
B The system can freeze up if it is disabled,
e.g. because of fault(s).
B Protect your system from frost damage
where freezing temperatures can be
expected.
B Drain the heating water at the lowest point
in the system, using the boiler fill and drain
valve. To do this, open the purger at the
highest point in the system.
For further details on this subject, see the
operating instructions for the relevant control
panel.
Only in emergencies, switch off the system
via the heating system emergency shutoff
switch or by disengaging the heating system
circuit breaker.