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9.14
Final activities
9.14.1 Close the boiler door and the control panel
▶ Close the boiler door ( fig. 73) and lock the fastener by turning the
vent screw through ¼ rotation in a clockwise direction.
▶ Push on the control panel to close it.
Fig. 73 Closing the boiler door
9.14.2 Hand over
▶ Hand over all relevant documentation to the end user and explain
his/her responsibilities under the relevant national and regional
regulations.
▶ Explain and demonstrate the start-up and shut down procedures.
10
Shutting down the system
CAUTION:
The heating system may freeze if it is not operational in
times of freezing.
▶ Protect the heating system against freezing if there is
a danger of frost affecting the system. Drain the
heating system water from the lowest point of the
heating system. The vent screw at the highest point
of the heating system must then be open.
10.1
Shut down the appliance using the basic controller
Shut down your appliance by means of the Logamatic BC10 basic
controller. When the system is shut down, the burner is automatically
switched off.
Further information about the use of the BC10 basic controller is
provided in chap. 8 "Operation", page 30.
▶ Push on the control panel to open it.
▶ Switch OFF the appliance by pressing the main switch of the BC10
( fig. 72, [1]).
Logamax plus GB162-L.B. 80 kW / 100 kW – 6720645916 (2014/10)
▶ Close the main gas supply or the gas valve ( fig. 74).
Fig. 74 Closing the gas valve
10.2
Shutting down the heating system if there is a risk of
freezing (interruption of use)
If conditions are such that the heating system has to be shut down for a
long period while there is a risk of freezing, the water must be drained
from the heating system.
▶ Push on the control panel to open it.
▶ Switch off OFF appliance by pressing the main switch of the BC10
( fig. 72, [1]).
6720645916-71.1N
▶ Close the main gas supply or the gas valve ( fig. 74).
▶ Drain the heating water at the lowest point of the heating system,
using the drain cock or the heating body ( fig. 75). The (automatic)
air vent at the highest point of the heating system/radiator must be
open.
Fig. 75 Draining the heating system (example)
10.3
Shutting down the heating system in the event of an
emergency
You must immediately close the main shutoff valve or gas shutoff valve
and disconnect the power from the appliance.
▶ Close the main shutoff valve.
Shutting down the system
6720645916-73.1N
6720645916-74.1N
10
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