02/2017 - Art. Nr. 4200 1015 6700D
24
Service
Maintenance
Burner and boiler servicing must only
be carried out by a professionally
qualified heating engineer. The
system operator is advised to take
out a service contract to guarantee
regular servicing.
Checking the exhaust gas
temperature
• Check the exhaust gas temperature.
• Clean the boiler if the flue gas
temperature is more than 30K above
the value measured at the time of
commissioning.
Positioning
1
Nozzle rod
2
Air fan
3
Housing plate
4
Nozzle
5
Fastening screws for housing
plate
6
Flame monitor
11
Blast tube
12
Clamping screw for connecting
flange
Removing the burner from the
connecting flange
• Switch off the power
• With the boiler door open, turn flame
tube
11
and pull it off (bayonet socket)
The fire tube may be hot
• Undo clamping screw
12
on the
connecting flange
• Turn the burner out of the bayonet
socket, lift it slightly and pull it out of
the connecting flange
Burner maintenance positions
After removing the screws
5
, the
equipment plate can be hung in two
maintenance positions.
Position 1
For example, for maintenance work on
the pump
Position 2
For example, for maintenance work on
the combustion head
Maintenance on the burner
Maintenance position 1
• Check oil supply components (tubes,
pumps, oil feed tube) and their
connections for leaks or signs of wear,
replace if necessary.
• Check electrical connections and
connection cables for damage,
replace if necessary.
• Check pump filter and clean if
necessary.
Maintenance position 2
• Clean blower wheel and housing and
check for damage.
• Check and clean the combustion
head.
• Remove baffle plate.
• Replace oil nozzle.
• Check ignition electrodes, readjust or
replace as necessary.
• Fit combustion head. Observe the
adjustment dimensions (see page
22)
when using the setting template.
• Fit burner.
• Start burner, check flue gas values,
correct burner settings if necessary.
• Perform flame monitor function check
(see page 23).
