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 180mm beneath
the condensate siphon.
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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