External Cleaning; Maintenance 4 - Biasi KAPPA 27R User Manual And Instructions

4. Maintenance (Cont.)
Detection
electrode
Figure 4.1 (Pilot 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.
• 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.).
14 KAPPA R USER MANUAL
Igniction
END VIEW
electrode
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:

INCANDESCENT OUTER MANTLE
(blue with occasional orange flashing)
OUTER CONE
(darker transparent blue)
INNER CONE
(sharply outlined with bright light blue)
FLAME RETENTION INNER CONE
(partially lifted from burner)
Figure 4.2 (Main burner flame)