Replacing components
Installation and maintenance instructions ecoTEC plus 0020134833_01
79
14
1
2
3
14.12
Replacing the heat exchanger
>
Detach the clamps (
2, ¬ fig. 14.12
) and (
3, ¬ fig. 14.12
)
from the flow connection and the return connection.
>
Detach the flow connection from the heat exchanger.
>
Detach the return connection from the heat exchanger.
>
Remove two bolts (
1, ¬ fig. 14.12
) from each of the two
brackets of the heat exchanger.
1
2
3
4
14.13
Heat exchanger brackets
>
Disconnect the plug connection (
2, ¬ fig. 14.13
) of the
thermal fuse in the heat exchanger.
>
Remove the bottom three bolts (
3, ¬ fig. 14.13
) from the
rear part of the heat exchanger bracket.
>
Swivel the bracket around the top bolt (
1, ¬ fig. 14.13
) to
one side.
>
Pull the heat exchanger downwards and to the right, and
remove it from the boiler.
b
Caution.
Risk of damage to the boiler.
Mineral oil-based lubricants may damage
the seals. The seals must therefore not be
lubricated.
>
Only use water or commercially available
soft soap, if necessary, to assist with the
installation.
i
With the new heat exchanger, ensure that you
use the cable with the coding resistor and the
correct plug.
>
Install the new heat exchanger in reverse order.
>
Replace the seals.
>
Insert the flow and return connections into the heat
exchanger as far as they will go.
i
Make sure that the brackets are seated correctly
on the flow and return connections.
>
Reinstall the compact thermal module.
(
¬ section 12.4.6
).
>
Fill and purge the boiler and, if necessary, the heating
installation (
¬ section 10.7
).
Содержание ecoTEC plus VUI
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