Shutting Down The Heating System; Shutting Down The Heating System Using The Basic Controller; Shutting Down The Heating System If There Is A Risk Of Freezing - Worcester GB162-65 Installation And Servicing Instruction

SHUTTING DOWN THE HEATING SYSTEM

11 SHUTTING DOWN THE HEATING SYSTEM
11.1 SHUTTING DOWN THE HEATING
SYSTEM USING THE BASIC
CONTROLLER
Shut down your heating system by means of the 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 chapter 9 „Operation", page 40.
B Push on the control panel to open it.
Fig. 97 Opening the control panel
B Switch off the heating system by pressing the mains
switch of the BC10 [1].
10 9
888
11
2
1
1
Fig. 98 BC10 basic controller
B Close the main gas supply or the gas valve (
page 50).
60
6 720 648 726-044.1TD
8
3 4 5
7
6
6 720 648 726-069.1TD
fig. 81,
11.2 SHUTTING DOWN THE HEATING
SYSTEM IF THERE IS A RISK OF
FREEZING (INTERRUPTION OF USE)
WARNING: Damage to the installation due
to freezing.
The heating system may freeze up after
some time in certain situations, e.g. after a
power failure, when the supply voltage has
been switched off, in case of faulty gas
supply, a boiler fault etc.
B Ensure that the heating system is
permanently operational (especially if
there is a risk of freezing).
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.
B Push on the control panel to open it.
B Switch off the heating system by pressing the mains
switch of the BC10 [1].
B Close the main gas supply or the gas valve (
page 50).
B Drain the heating water at the lowest point of the
heating system, using the drain cock or the radiator.
The (automatic) air vent at the highest point of the
heating system/radiator must be open.
Fig. 99 Draining the heating system
6 720 648 726 (2011/07)
fig. 81,
6 720 648 726-099.1TD