Inspection and maintenance
Installation and maintenance instructions ecoTEC plus 0020116700_01 65
12
1
12.7 Cleaning the condensate siphon
> Remove the lower part (1) of the condensate siphon by
turning the bayonet fitting anti-clockwise.
> Clean the bottom of the siphon by flushing it out with
water.
> Fill the lower section of the siphon with water up to
about 10mm below the upper edge.
> Re-fit the lower part of the condensate siphon.
> Flush through all discharge pipe work (ensure route and
termination are correct and it is unlikely to freeze up in
severe weather).
12.4.5 Clean the filter in the cold water inlet
(VUW boilers only)
There is a filter in the cold water inlet of the boiler which
must be cleaned during maintenance work.
1
12.8 Removing the filter from the cold water inlet
> Close the cold water stop valve.
> Drain the hot water from the boiler.
> Undo the nut (1, ¬fig.12.8) of the cold water supply line
from the casing of the boiler.
2
1
12.9 Removing the pipe with the cold water filter
> Fold the electronics box forwards (¬section8.2).
> Detach the clamp (1, ¬fig.12.9) from the flow sensor.
> Pull off the cold water pipe from the flow sensor.
> Remove the pipe (2, ¬fig.12.9) from the boiler.
> Rinse the filter under a jet of water holding against the
direction of flow.
> Refit the pipe with the cleaned filter in the reverse order.
> Always use new seals.
12.4.6 Installing the compact thermal module
a
Danger!
Risk of death and risk of damage caused
by hot flue gas!
If you do not renew the seal and the self-
locking nuts on the burner door, hot flue
gases may escape and cause personal
injury and material damage.
> Replace the seal each time you open the
burner door.
> Replace the self-securing nuts each time
you open the burner door.
> If the burner flange insulation on the
module shows signs of damage other
than small cracks it must be replaced
(article number 193595).
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