HAMWORTHY HEATING LTD
50
MILBORNE
500001130/J
10.4
Cleaning the exchanger
The heat exchanger is made of a corrugated bi-
metallic hose with AISI 316 L stainless steel external
surface and copper internal surface, and does not
need any special maintenance.
Figure 10.4.1
Combustion
chamber
entrance
To clean the heat exchanger, remove the burner and
gasket from its housing at the top of the heat-
exchanger, as shown in figure 10.4.1.
Figure 10.4.2
Clean the heat exchanger by accessing through the
top hole of the combustion chamber and brush it
clean - see figure 10.4.2.
Remove any debris from the combustion chamber
with a vacuum cleaner. Finally, wash with water.
Caution!
After cleaning the exchanger, new sealing
gaskets
must be
used .
Combustion
chamber
Figure 10.5.1
Figure 10.5.2
Figure 10.5.3
10.5
Cleaning the condense drain
The condense drain must be cleaned once per year
as follows.
Disconnect the condensate drain device by removing
the locking fork as shown in figure 10.5.1
Slide the device downwards through the hole below
the boiler as shown in figure 10.5.2
Figure 10.5.4
U n s c r e w t h e
plastic fitting on
the condensate
drain pipe as
shown in figure
10.5.3
Disassemble the
condensate drain
trap as shown in
figure 10.5.4
Wash away any
deposited dirt with
water.
