6
Commissioning the system
Danger
CO formation as a result of an
incorrect burner setting can have
serious health implications.
Carry out a CO test before and
after work on gas equipment.
Note
An examination of the burner setting with
the boiler heated up (min. 40 ºC) is
essential.
Also carry out tests at base load.
Boiler control unit service instruc-
tions
C
B
A
D
1.
Check the heating system pressure.
2.
Open the gas shut-off valve.
3.
Switch ON the main isolator (outside
the installation room).
4.
Switch ON the system ON/OFF
switch
B
at the control unit.
If fault indicator lamp
A
on the con-
trol unit illuminates and display
C
on
the burner control unit flashes, first
press reset button
D
on the burner
control unit.
Note
The system may enter a fault state
during commissioning because the
gas pipe may not yet contain suffi-
cient gas (fault indicator on control
unit illuminates). Vent the gas pipe
again and reset the burner control
unit.
Commissioning, inspection, maintenance
Further details regarding the individual steps
5692 488 GB