Installation Instructions

7
Shutting down the heating system
Logano G115 WS US/CA - Technical specifications are subject to change without prior notice.
34
7 Shutting down the heating system
7.1 Shutting down normally
V 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. 34 Switching off the heating system
(Logamatic 2000)
1 On/off switch
V 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 compo-
nents.
V Further shut-down procedure Æ refer to aquastat doc-
umentation.
Fig. 35 Heating system emergency shut-off switch
V 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.
V Never put yourself at risk of fatal injury. Your own safety
must always take the highest priority.
V 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 freez-
ing.
If the heating system has been switched off,
it may freeze up in cold weather conditions.
V Leave the heating system switched on as
long as possible.
V 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.