oventrop Regumat 220/280 Montage- Und Betriebsanleitung Seite 10

4.5 Modification of the direction of flow
Supply and return can be changed on site.
On delivery, the circulation pump is installed in the
supply on the left hand side. As for the "Regumat"
stations with circulation pump "Grundfos Magna
3", the direction of flow cannot be changed due to
their construction.
1. Loosen connection (1) and collar nuts (2).
2. Exchange supply and return riser.
3. Turn three-way mixing valve (3).
4. Unscrew actuator (4).
5. Set spindle of the mixing valve (2) with the an-
tirotation device (1)in such a way that the long
ridge of the adapter is in 6 o'clock position. In
this position, the lower connection is closed
by the spindle of the mixing valve.
long ridge
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6. Place actuator (3) onto the spindle of the mixing
valve with the adapter and the antirotation de-
vice. Place rotation indicator (5) onto the actua-
tor with the blue field pointing upwards. Push
handle for manual setting (6) onto the shaft of
the mixing valve with the arrow being in the
blue zone (left hand stop), introduce screw with
serrated lock washer and tighten screw (4) with
a torque of 5 Nm.
1. Re-tighten connection (1).
2. Tighten collar nuts (2) with a torque of
120 Nm.