Operating instructions
17
Initial start−up, inspection and maintenance
Further details regarding the individual steps (cont.)
Checking the Vitoair draught stabiliser (if installed)
Release the latch on the control disc.
The control disc must swing freely
during burner operation.
Adjusting the burner
Burner manufacturer’s
details
During adjustments, observe the
minimum output.
Set the minimum heating output for
the base load stage according to the
chimney conditions.
Checking the safety valve
Manufacturer’s details Raise the operating pressure to the
response pressure or manually vent
when 85
% of the response pressure
has been reached.
Checking the pressure regulator, pressure limiter and
thermostat (standby)
Check the pressure regulator,
pressure limiter and thermostat
(standby) for function and correct
adjustment.
The control thermostat (standby)
must be adjusted to a minimum
of 95ºC.
5692729 GB