Burkert Type 8691 - Manual (Page 21)

21
Installation
2. installation of the masking ring and the control head
Masking ring
Guide rail
Puck
Figure 11: Installation of the masking ring and aligning the puck
→
Pull the masking ring onto the actuator cover (for actuator sizes ∅ 50 and ∅ 63 only).
noTe!
Damaged printed circuit board or malfunction.
▶ Ensure that the puck is situated flat on the guide rail.
→
Push the control head onto the actuator. The puck must be aligned in such a way that it is inserted into the
guide rail of the control head.
→
Press the control head all the way down as far as the actuator and turn it into the required position.
Fastening screws
max. 0.5 Nm
Figure 12: Installation of the control head
Ensure that the pneumatic connections of the control head and those of the valve actuator are situated
preferably vertically one above the other (see “Figure 13”).
If they are positioned differently, longer hoses may be required other than those supplied in the accessory kit.
noTe!
too high torque when screwing in the fastening screw does not ensure degree of protection ip65 /
ip67.
▶ The fastening screws may be tightened to a maximum torque of 0.5 Nm only.
→
Attach the control head to the actuator using the two side fastening screws. In doing so, tighten the fastening
screws hand-tight only (maximum torque: 0.5 Nm).
english
Type 8691