17
BURNER CHARACTERISTICS
ELECTRODE DISTANCE AND GAP
• Distance between ionisation electrode and tube:
X = 10 to 15 mm
(refer to Fig. 17)
• Distance between ignition electrode and tube:
Y = 4 to 7 mm
(refer to Fig. 18)
• Ignition electrode gap:
Z = 2 to 5 mm
(refer to Fig. 19)
BURNER MAINTENANCE
(refer to Fig. 20)
1.
After dismantling the burner, check the condition of the ignition
electrode (1) and ionisation electrode (2), the insulation (3) and
the burner chamber plate seal (4). Replace these items if
necessary.
2.
Check the condition of the tube (5).
3.
Re-assemble the burner and check burner ignition.
4.
Check the gas connection for leaks.
5.
Check the combustion parameters.
Fig. 18
Fig. 17
Fig. 19
Fig. 20
X
Y
Z
2
3
5
1
4
