7
Oil burner
Installation and operating instructions
39
Daikin/ROTEX A2 F
Oil condensing boiler A2 F
008.1546499_02 – 04/2018 – EN
Item
Designation
Item
Designation
a
Mixing device
g
Nozzle linkage
b
Ignition electrodes
h
Setting gauge
c
Fixing screw
X1
Electrode position A2
F
d
Tube light
X2
No application
e
Oil nozzle
Y
Distance of oil nozzle/
air nozzle
f
Air nozzle
Tab. 7-7
Legend for
Fig. 7-7
Checking and setting electrode distance
Tool required: Setting gauge (fixed on the retainer for the service po-
sition)
1
Bring burner in service position (see chapter
Chap. 7.4
).
2
Check the electrode distance and position with the setting
gauge.
3
If necessary, readjust the electrodes by bending them.
Setting the oil nozzle/air nozzle distance
Tool required: Setting gauge (fixed on the retainer for the service po-
sition) Allen key SW 4 mm.
▪ Move the burner to the service position.
▪ Check the Y distance with the setting gauge. For setting values,
refer to
Tab. 7-3
▪ To adjust, loosen the fixing screw and push the mixing device onto
the nozzle linkage (see also
Chap. 9.2.5
).
7.4
Dismantling the burner
DANGER: RISK OF ELECTROCUTION
Touching live parts can result in an electric shock and lead
to potentially fatal injuries and burns.
▪ Before removal of the burner, shut off the main switch
for the heater and secure against unintentional restart.
DANGER: RISK OF BURNING
Danger of burning on hot surfaces.
▪ Let the burner cool down sufficiently before dismantling.
▪ Wear protective gloves.
The burner requires annual maintenance. For this work or if there
damage to the combustion chamber, the burner must be moved to
the service position.
7.4.1
Move the burner to the service position
The burner is normally in the operating position. In order to carry out
work on the nozzle rod (e.g. changing nozzle or electrodes) or within
the burner tube, the burner is moved to the service position.
1
Switch off the main heater switch.
2
Remove the boiler cladding.
Fig. 7-8
Burner in operating position
3
Disconnect the plug from the inflow and return flow sensors t
V1
and t
R
(
Fig. 6-3
).
4
Loosen the service screw (
Fig. 7-9
/
Fig. 7-10
).
INFORMATION
The positioning switch (
Fig. 7-9
, Item 2) serves for correct
positioning and for the secure seating of the burner on the
burner flange. It does not need to be released for removal.
Fig. 7-9
Loosen the service screw on the burner
1
Rotate the burner anticlockwise out of the bayonet lock and lift
out upwards.