22
6.2.2 Modifi cation of actuator
1. Pull the actuator off the three-way mixing valve
by hand. Use a slow screwdriver if required and
place it into position as shown in illustr. 11.
On delivery and during normal operation,
the actuator is in automatic mode. The
operating switch (1) is at position “A”.
2. Set
the operating switch
(1) to manual operation
by
turning it clockwise by 90°
with the help of
a screwdriver so that the slot is in a horizontal
position and the tip of the arrow points to the
hand symbol
(illustr. 13).
Illustr. 13
Actuator for mechanical actuation of the three-
way mixing valve
1 Operating switch automatic/manual operation
2 Connecting cable power supply
3 Adapter for fi xing onto the spindle of the mixing
valve
4 Plug
5 Rotary knob with display function
6 Indicator disc red/blue
7 Hollow shaft
Illustr. 14
5
4
3
1
2
6
7
Illustr.15
1
1