42
Installation and maintenance instructions Gas Boiler Logano GC124 II/SP • Issue 07/2006
We reserve the right to make any changes due to technical modifications.
Taking the heating system out of operation
15
15 Taking the heating system out of operation
15.1 Normal system shut-down
1.
Turn ON/OFF switch (emergency shutoff switch) to
OFF position. This shuts off power to the boiler and
all of its components (e.g. burner, aquastat).
2.
Turn ON/OFF knob on gas valve clockwise to OFF
position.
15.2 Emergency shut-down procedures
Inform the owner and operator of the procedure in case
of emergency:
1.
Never put yourself at risk. Your own safety must
always take priority.
2.
Shut off main gas supply.
3.
Shut down the heating system using the boiler
emergency shutoff switch or the corresponding
circuit-breaker.
Fig. 37
Emergency shut-down
1
ON/OFF switch (Emergency shutoff switch)
1
CAUTION!
SYSTEM DAMAGE
due to freezing.
The heating system can freeze up in cold
weather if it is shut down.
z
Leave the heating system switched ON
constantly as much as possible.
z
Protect the heating system from freezing
by draining the boiler and water pipes at
the lowest point.
