14 KAPPA R USER MANUAL
4. Maintenance (Cont.)
Figure 4.1
Igniction
electrode
Detection
electrode
(Pilot burner flame)
Figure 4.2
FLAME RETENTION INNER CONE
(partially lifted from burner)
INNER CONE
(sharply outlined with bright light blue)
OUTER CONE
(darker transparent blue)
INCANDESCENT OUTER MANTLE
(blue with occasional orange flashing)
END VIEW
(Main burner flame)
The pilot flame should have the following proprieties:
• Blue flame.
• Flame sensor glowing red.
Improper Pilot Flame:
• Large flame past flame sensor.
• Small flame not reaching flame sensor.
• Yellow tip flame.
The main burner flame should have the following
proprieties:
• See figure above.
Improper Main Flame:
• Large yellow tip flame.
• Small flame not showing inner or outer cone.
4.4 External Cleaning:
• Before performing any cleaning, disconnect the appliance from the electrical mains, using the dedicated circuit
breaker or serviceman’s switch located adjacent to the appliance.
• To clean the external panels, use a cloth soaked in soapy water. Do not use solvents, abrasive powders or
sponges.
• Do not carry out cleaning of the appliance and/or its parts with readily flammable substances (for example petrol,
alcohols, naphtha, etc.).