Hydraulic installation
ecoTEC plus installation and maintenance instructions 0020134823_01
21
6
6.4
Connecting the discharge pipe to the
expansion relief valve on the heating
installation
The expansion relief valve for the heating installation can
be connected to the pump group (left-hand side)
>
Install the drain line for the expansion relief valve so that
it is not damaged when removing and fitting the lower
part of the condensate siphon.
i
We do not recommend shortening the discharge
pipe that is supplied.
>
Leave an installation space of at least 180 mm beneath
the condensate siphon.
min.
180
1
2
3
6.4
Install the discharge pipe on the expansion relief valve
>
Insert a seal (
1
) in the cap nut (
2
).
>
Screw the discharge pipe (
3
) onto the expansion relief
valve.
>
Make the drain line routing as short as possible and in a
downward gradient away from the boiler.
>
Allow the line to terminate in such a way that nobody
can be injured and no cable or other electrical compo-
nents can be damaged if water or steam is ejected.
>
Please note that the end of the line must be visible.
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