12 7.2 Shutting Down The Heating System In An; Normal Shut-Down; Action In An Emergency - Buderus Logano GB125/22 BE Installation And Service Instructions Manual

7
Shutting down the heating system
7 Shutting down the heating system
Caution: Risk of system damage from freez-
ing.
If the heating system has been switched off,
it may freeze in cold weather conditions.
V Leave the heating system switched on as
long as possible.
V Protect your system from freezing by
draining the boiler, the heating system and
hot water pipes at the lowest point.
7.1

Normal shut-down

V With Buderus controls: switch off the on/off switch [1]
on the controls (position "0"). This switches off the
boiler and all its components (such as the burner).
V Shut off fuel supply by closing main valve.
7.2 Shutting down the heating system in an emergency
Use the heating system emergency shutoff
switch located outside the boiler room or the
heating system circuit-breaker for emergency
shutdown.
7.2.1

Action in an emergency

Explain to the customer what to do in an emergency, e.g.
a fire.
V Never put yourself at risk of fatal injury. Your own safety
must always take the highest priority.
V Turn "off" the main isolating fuel valve.
V Disconnect the heating system from the electrical
power supply by means of the emergency shutoff
switch or the heating system circuit-breaker.
38 Logano GB125 BE US/CA - Technical specifications are subject to change without prior notice.
Fig. 37 Switching off the heating system
(Logamatic)
1 On/off switch
Fig. 38 Heating system emergency shutoff switch
1
7 747 019 141-34.1RS