Cleaning The Primary Condensate Exchanger; And The Burner - Biasi RINNOVA ADAPTIVE User Manual And Installation Instructions

Figure 9.11
9.7 Cleaning the primary condensate
exchanger and the burner
Removing the burner fan unit 38 in Figure 9.12.
O
L
Figure 9.12
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MAINTENANCE
• Remove the front panel of the body and turn
24
the control panel (see "Removing the body
panels" on page 60).
• Disconnect the wiring of the ignition and de-
tection electrodes.
• Unscrew the gas swivel joint K and remove
the pipe L.
• Disconnect the connector M by pulling it
downwards (Figure 9.12).
• Disconnect the fan connector N by pulling it
downwards (Figure 9.12).
• Loosen the nuts O and remove the fan burn-
er unit 38 (Figure 9.12)
• Extract the burner casing by pulling it out-
wards.
• The silicon gasket on the front panel of the
combustion chamber Figure 9.13 must be
changed if it becomes worn.
38
Figure 9.13
• The ignition/detection electrode P in Fig-
N
ure 9.13 also serves as a sensor for correctly
draining the condensate.
• If this electrode comes into contact with the
M
condensate water in the combustion cham-
ber, the boiler goes into safety lockout. Re-
place the insulation where wet or worn.
K
Remove any build-up from the ig-
nition/detection electrode, or re-
place it if worn/damaged. In any
case, it must be replaced every 2
years.
P