Replacing The Nozzle And Checking Or Adjusting The Ignition Electrodes; Mounting The Burner - Viessmann Vitoladens 300-C Installation And Service Instructions Manual

Commissioning, inspection, maintenance

Replacing the nozzle and checking or adjusting the ignition electrodes

D
F
Fig. 43
1. Undo nozzle whilst counterholding the oil pre-
F
heater. Prevent the formation of bubbles.
2. Insert a new LE nozzle
heater).
Select the nozzle in accordance with the details on
page 49.
3. Insert spinning facility
4. Align ignition electrodes
accordance with the holes.
Rated heating output
at T /T 50/30 °C
F R
Nozzle gap "a"
(see page 46)

Mounting the burner

Tighten screws/bolts diagonally and reattach cables.
46
(counterhold the oil pre-
F
as far as it will go.
D
E with the cable entry in
kW
mm
2.5 mm
E
D F
5. Position oil burner nozzle
restrictor.
6. Secure Allen screw
Check nozzle gap "a".
!
Please note
An incorrectly adjusted nozzle gap "a" can
result in irregular operation of the burner and
even a fault shutdown.
12.9/19.3
+0.2/-0.3
3.5
centrally in the
F
of the spinning facility.
C
16.1/23.6 19.3/28.9
+0.2/-0.3 +0.2/-0.3
2.0 2.0