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5 Installation
5.2.4
Connecting the condensate trap
Condensate forms in the product during combustion. The
condensate drain pipework routes the condensate to the
waste water connection.
The product is equipped with a condensate trap. The filling
height is 145 mm. The condensate trap collects any con-
densate that forms and feeds it into the condensate dis-
charge pipe.
▶
Place the condensate trap on the underside of the
product on the condensate drain pipe and secure it using
the retaining clips.
▶
Leave installation space of at least 180 mm below the
condensate trap so that you can clean the condensate
trap in the event of maintenance work.
▶
Before you start up the product, fill the condensate trap
with water (→ Page 21).
▶
Check the connection point for leak-tightness
(→ Page 24).
5.2.5
Connecting the condensate discharge pipe
3
1
2
▶
When making the condensate pipe connections ensure
that there is adequate branch ventilation and that there
can be no backflow of water into the boiler via the con-
densate pipe work.
▶
Check if a neutralising unit is required in accordance with
national regulations.
▶
Observe the local regulations on neutralising the con-
densate.
Note
You can obtain neutralisation with or without a
condensate pump as an accessory.
▶
If required, guide the drain hose (1) from the automatic
air vent into the tundish.
14
5.2.6
1.
min.
180
2.
Installation and maintenance instructions ecoTEC plus 0020134823_07
Note
The condensate drain pipework must have a
continuous fall (45 mm per metre) and should
whenever possible terminate at a suitable
drain point within the heated envelope of the
building that will remain frost free under long
periods of low external temperatures.
Connecting the expansion relief valve
Note
The product is delivered with a 6 bar expansion
relief valve, which must be installed on the
product and must be guided to a secure, but vis-
ible, point. The drain pipe on the expansion relief
valve must have a minimum diameter of 28 mm
and must only be used for this purpose.
Ensure that all components that are installed in the
heating installation are suitable for a max. operating
pressure of 6 bar.
Danger!
Risk of scalding!
Heating water that leaks from the exit point of
the expansion relief valve may cause severe
scalds.
▶
Install the expansion relief valve drain to a
professional standard.
Connect the expansion relief valve (1).
Note
When selecting the expansion relief valve,
note the max. operating pressure of the heat-
ing installation.
1
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