7
Condensing Combi -
Pull out the spiral turbulators from
the heat exchanger tubes. See Fig. 28.
Clean the turbulators using a stiff brush
Test the heat exchanger condensate drain by pouring water
into one of the lower tubes and observe whether the water
discharges from the 22 mm condensate outlet. Replace the
turbulators.
8
All boilers -
Replace the cleaning door, securing it in
position with the nuts and washers previously removed.
9
Condensing Combi -
Remove the condensate trap and
check that it is not blocked and is operating correctly, i.e.
the float is free to move. Clean the trap and float as required.
Check that the boiler condensate outlet is unobstructed.
Clean if necessary.
IMPORTANT:
The condensate trap and condensate
outlet must be checked on every service and cleaned as
necessary.
Fig. 24 - Combi 90 V3 baffle positions
Fig. 25 - Combi Max baffle positions
Fig. 26 - Condensing Combi 26
Fig. 2 7 - Condensing Combi 36
Outdoor Combi 90 V3, Combi Max and Condensing Combi
39
10 - BOILER SERVICING
