System shutdown5
10
Operating instructions Oil- and gas-fired special boilers Logano GE515 • Issue 2018/01
We reserve the right to make any changes due to technical modifications.
5 System shutdown
This chapter explains, how you shut down your boiler,
the control device and the burner. Furthermore, you will
find explanations as to how you can shut down your
system in an emergency.
Shut off the fuel supply at the main fuel shut-off valve.
5.1 Shutting down the control device and
the burner
Shut down your boiler via the control device (in this
example 3: series 4000 control device). The burner is
automatically shut down when the control device is shut
down.
Set the On/Off switch (Fig. 3, item 1) to "0" (OFF).
5.2 Shutting down the system in an
emergency
In other dangerous circumstances, isolate the main fuel
shut-off valve and the electrical power supply of the
system via the boiler room main fuse or the emergency
stop switch for the boiler room (see chapter 1.3 "Please
observe these safety instructions", page 4).
CAUTION!
SYSTEM DAMAGE
through frost.
The system can freeze up if it is not in use,
e.g. through a shut-down because of
fault(s).
Protect your system against frost
damage, where temperatures below
zero must be expected.
Drain the heating water at the drain
cock at the lowest point in the system,
using the KFE cock (boiler fill and drain
cock). To do this, open the air vent
valve at the highest point in the system.
USER NOTE
For further details in this connection, see
the operating instructions of the relevant
control device.
USER NOTE
Only in an emergency, switch off the
system via the boiler room fuse or
heating system emergency stop switch.
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