Vaillant aurotherm classic VFK 135/2 VD Installation Manual page 16

4 On-roof fitting and installation
1
▶ Install the plugs (1) at the bottom of the collector.
▶ Install the plugs (2) at the top of the collector.
▶
Secure the plugs with the clamps.
▶
Connect the collector flow and return to the system with
the connection tubes.
▶ Lay the connection pipe at a gradient.
Note
Observe the installation instructions for the
auroFLOW plus system.
▶ Check the connections for tightness.
▶
Select the opening in the collector field that is nearest to
the flow connection.
▶ On the selected collector, use a screwdriver (1) to push
the rubber stopper for the temperature sensor through to
the marking.
▶
Do not remove the rubber stopper.
▶
Push the temperature sensor through the rubber stopper
until you can feel significant resistance (2).
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Installation manual auroTHERM classic 0020159946_01