Helios WHS HE Notice De Montage Et D'utilisation page 25

Installation and Operating Instructions
Temperature Control System WHS HE
– Gravity lock
The gravity lock prevents the natural and unwanted circulation
of the heating water (heating circuit) when the pump is switched
off (opening pressure approximately 20 mbar).
Operating positions (Abb� 3):
Check valve closed > Operating position
Flow only possible in flow direction.
Check valve open > Filling, flushing, venting
Flow is possible in both directions.
During heating operation, the gravity lock must be set to the
operating position.
– Conversion from flow right to flow left
1. Loosen screw fitting (1) and screw (2)
2. Remove actuator (3
3. Remove cover (4) and (5)
4. Install mixer plug (6) on the other side
5. Retighten cover and fasten with a torque of 45 Nm
6. Move anti-rotation device (7) to the other side
Flow
left
blue
blau
7. Adjust mixer plug so that the nose of the adapter (6) is pointing downwards (Fig.6)
In this position, the mixer plug closes the outlet downwards (full bypass mode, cold
8. Set operating switch (10) to manual operation
9. Position rotation direction indicator (8) pursuant to Fig. 7
10. Place adjustment grip (9) on the mixer axis
Fig� 4
right
5
Check valve
Sperrventil
Closed Open
geschlossen geöffnet
Operation Filling/
Flushing/
Venting
Flow
Vorlauf
right
left
links rechts
4
5
7
6
(View from above)
(Ansicht von oben)
EN
Fig� 3
Fig� 5
7