7
Shutting down the heating system
Logano G115 WS US/CA – 6 720 813 418 (2019/09)
34
7
Shutting down the heating system
7.1
Shutting down normally
▶ With Buderus controls: switch off the on/off switch on the controls
(position "0"). This switches off the boiler and all its components
(e.g. burner).
Fig. 35 Switching off the heating system
(Logamatic 2000)
[1]
On/off switch
▶ When using the aquastat: Shut off main heating system by turning off
the emergency shut-off switch (position "OFF"). This switches off the
boiler with all its components.
▶ Further shut-down procedure
refer to aquastat documentation.
Fig. 36 Heating system emergency shut-off switch
▶ Shut off fuel supply by closing main valve.
7.2
Shutting down the heating system in an emergency
7.2.1
What to do in an emergency
Explain to the customer what to do in an emergency, e.g. a fire.
▶ Never put yourself at risk of fatal injury. Your own safety must always
take the highest priority.
▶ Disconnect the heating system from the electrical power supply by
means of the emergency shutoff switch or the heating system circuit-
breaker.
CAUTION:
Risk of system damage from freezing.
If the heating system has been switched off, it may
freeze up in cold weather conditions.
▶ Leave the heating system switched on as long as
possible.
▶ Protect a disabled heating system from freezing by
draining the heating system and hot water pipes at
the lowest point.
1
7 747 019 141-34.1RS
7 747 019 141-35.1RS
Use the heating system emergency shut-off switch
located outside the boiler room or the heating system
circuit-breaker for emergency shutdown.
