17
Release the latch on the control disc.
The control disc must swing freely during burner oper-
ation.
Adjusting the burner
Burner manufacturer’s details
During adjustments, observe the minimum heating out-
put. Set the minimum heating output for the base load
stage according to the actual 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 switch function
Installation instructions in the "pressure switch
set"
Checking the safety and control equipment
Checking the pressure regulator, safety pressure limiter and temperature
controller (standby)
Check the pressure regulator, safety pressure limiter
and temperature controller (standby) for function and
correct adjustment.
Set the temperature controller (standby) to at least
95 °C.
Checking the water quality
Observe the instructions in chapter "Water quality
requirements".
Enter the amount of top-up water and the total hard-
ness of the feed and boiler water into the table on
page 23.
The total hardness of the feed and top-up water must
not exceed the total of alkaline earths of 0.015 mmol/l.
The pH value should be higher than 9.
Checking the thermal insulation
Checking the installation room ventilation
Commissioning, inspection, maintenance
Checking the Vitoair draught stabiliser (if installed)
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