Initial start−up, inspection and maintenance
Further details regarding the individual steps
To obtain optimum combustion values, it is essential to adjust the burner with
the boiler at operating temperature (min. 60 ºC).
Also carry out measurements at base load.
Starting the heating system
8
(cont.)
Service instructions
Boiler control unit
1. Check the heating system
pressure.
2. Open the gas shut−off valve.
3. Check the supply pressure (see
page 11).
4. Switch ON the mains isolator
(outside the installation room).
5. Switch ON system ON/OFF
switch B at the control unit.
If fault indicator lamp A at the
control unit illuminates, initially
reset the system by pressing reset
button C at the burner control
unit.
Note
For the commissioning program
sequence, see page 25.
The system can enter a fault state
during the commissioning, if it has
insufficient gas in the supply line (the
fault indicator at the control unit
illuminates).
Vent the gas supply line again and
reset the burner control unit.