Remplacement Of Parts - Saunier Duval ISOTWIN CONDENS F 35 E Instructions For Use, Installation & Servicing

• Inspect the burner for any signs of
damage.
• Inspect the sealing rings and replace if
necessary.
• Removal of the burner is not necessary
during a normal service.
14.5.3 Heat exchanger
• Remove the 2 mixing arm retaining
screws (23) bolted on the fan (33).
• Remove the 5 heat exchanger retaining
nuts (17).
• Remove the "burner + mixing arm" unit
from the heat exchanger.
• Remove loose debris from combustion
chamber using a soft brush and
vacuum cleaner. Carefully flush by
spraying water removing any remaining
debris through the condensate trap
(Ensure the water is kept away from
electrical components).
14.5.4 Combustion Check.
• If a gas carrying component has
been replaced, the combustion of the
appliance should be checked.
Once the appliance has been re-
•
assembled (apart from the front and
inner casing panels) connect a CO2
combustion analyser to the test point
on the flue adapter (see chapter «Gas
conversion»).

15 Remplacement of parts

Warning!
• Before starting the remplacement of
parts, read carefully the chapter "Safety
instructions".
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