Cleaning The Condensing Primary Exchanger And The Burner - Biasi Activ A 25C User Manual And Installation Instructions

9.5 Cleaning the condensing
primary exchanger and the
burner
Removing the fan burner unit 41 in Fig. 9.7 .
N
O
M
K
Fig. 9.7
• Remove the body's front panel and turn
the controls panel ( see "Dismantling the
external panels" to page 72 ).
• Unscrew the connector
ing fork K and remove the pipe J .
• Unhook the silencer pipe.
• Insert a fl at screwdriver in the connector
recess M and lever towards the bottom,
disconnect the connector at the same time
O by pulling towards the front O ( Fig. 9.7 ).
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MAINTENANCE
J L 41
L , remove the fi x-
Q
Fig. 9.8
• Disconnect the fan connector
ing the plastic hook P positioned at the
bottom part of the connector ( Fig. 9.8 ).
• Unscrew screws N and remove the fan
burner unit 41 ( Fig. 9.7 )
• Remove the burner body by pulling to-
wards the outside.
If the condensate primary exchanger ele-
ments are dirty (notable only after removing
the burner body), brush them using a bristle
brush and remove the dirt using a suction
device.
The burner does not require any particular
maintenance, just remove dust using a bris-
tle brush.
More specifi c maintenance will be valuated
and carried out by an Authorised Assistance
Centre Technician.
P
Q by press-