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The boiler will not function directly. The automatic de-aeration programme
of about 17 minutes will start after one of the three program keys is pressed.
The display will show
programme Active and the number on the right indicates the actual water
temperature of the boiler.
Check the water pressure regularly and top up the installation when necessary.
The working pressure of the installation should be between 1.5 and 1.7 bar
It can take a while before all air has dis-appeared from a filled installation.
Especially in the first week noises can be heard which indicate the presence
of air. The automatic air vent in the boiler will make this air disappear, which
means the water pressure will reduce during this period and therefore topping
up with water will be necessary to adjust the flow water temperature
Turning the boiler off
Holiday
The ATAG BrainQ room
thermostat is provided with
a holiday program. The
holiday period can be
adjusted on the thermostat
itself. The central heating
and
DHW
supply
switched off during that
period. There is also the
option that only the central
heating is switched off. With
all of these possibilities the
frost protection system is
active.
12
Holiday period:
Adjust the thermostat to the holiday period. See
the user thermostat manual. The hot water facility
can be switched off by means of the program key
on the control panel.
are
Re-setting the central heating system:
Switch off the three program keys
these are activated.Switch off the power supply.
When the boiler is being drained one should take
into account that a part of the heating water will
remain in the boiler. When risk of frost arises one
should take care that the remaining central heating
water in the boiler does not freeze.
where A stand s for Automatic de-aeration
,
,
if
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