Commissioning; Leak Testing And Filling The System; First Start-Up - Tuxhorn tubra-nemux-S Instructions De Montage Et D'utilisation

5 C o m m i s s i o n i n g
Complete installation of all hydraulic and electrical components is a precondition for

commissioning.

5.1

Leak testing and filling the system

Check all system components, including all pre-fabricated elements and stations, to ensure
they are leak-tight; seal any detected leaks accordingly. When doing so, adapt the test
pressure and test duration to match the respective piping system and the respective
operating pressure.
Fill the drinking water side with clean drinking water as per DIN 1988 only; bleed the air from
the system by gradually increasing the pressure.
Note:
Tapping flow rates of > 56 l/min are to be avoided, as these can in long term result in
permanent damage to the sensor.
Open the taps and slowly open the ball valve.
Only fill the heating system, including the primary side of the fresh water system, with filtered,
possibly treated water as per VDI 2035; bleed the system completely.
5.2

First start-up

Please observe the corresponding instructions for the control unit.
Task Procedure
Preparation and
inspection
Switch on the Supply power to the control unit
control unit
Set up the control Please observe the instructions for the control unit.
unit
Additional
settings
Test the outputs Activate all of the outputs individually in sequence and check to
make sure the pumps switch correctly.
Check function
908.19.08.00
Last updated 2022/03/15

Visual inspection of the installation.

Are all of the sensors installed and connected at the correct
locations?

Are all outputs connected?

Set the fresh water temperature (hot water temperature).

Adjust the circulation (optional).

Adjust the return stratification (optional)

Configure the cascades (optional)

Adjust the pre-mix valve (optional)

Check the functionality of the hot water supply.

Check the functionality of the circulation (optional).

Check functionality of the return stratification (optional)

Check functionality of the cascades (optional)
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GB
OK
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