Helios WHS HE Manuel page 22

Installation and Operating Instructions
UK
ATTENTION
ATTENTION
ATTENTION
Temperature Control System WHS HE
– 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
l
blue
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 figure 6
10. Place adjustment grip (9) on the mixer axis
The adjustment grip can only be pushed down on a locking position. Do not use force!
Turn adjustment grip anti-clockwise until the stop. The arrow mark on the adjustment grip is located in the
blue area
11. Place the actuator on the mixer axis
12. Insert and tighten screw (2) with serrated washer
13. Set operating switch back to automatic operation
– Fittings
The screw fittings must be retightened after the installation of the pump.
– Water connection
When connecting the WHSH, the following must be observed:
1. The WHSH is connected by means of screw fittings (inch thread).
2. During assembly, the connection pipes must not be exposed to torsional or bending stress under any cir-
cumstances. Use tools to hold in place during assembly.
3. It must be ensured that the expansion force in system or the dead weight of the pipe system do not strain the
connections.
Fig. 4
r
Fig. 6
6
N se
4
l r
4
5
7
6
( )
10
Fig. 5
7
Fig. 7
blu
3
8
2
9