Burkert 8685 Manuel D'utilisation page 26

note!
malfunction due to damaged wires.
▶ To keep the spindle guides free, guide all wires through the
cable holders.
damage or malfunction due to ingress of dirt and moisture.
▶ To ensure degree of protection IP65 / IP67, tighten the union
nut of the cable gland according to the cable size you are using
(approx. 1.5 Nm).
→
Guide all wires through the cable holders.
→
Tighten the union nut of the cable gland on the body (approx. 1.5
Nm).
note!
faulty detection of end positions.
▶ For actuators with control function B (CFB, NO), the lower end
position must be approached before the control head is placed
on the adaptation body. To do this, pressurize the appropriate pilot
air port of the actuator ("Fig. 9").
▶ Make certain the control head is correctly positioned relative to
the actuator: The dummy plug or pressure-relief valve must be
located on the side of the pneumatic connections of the actuator
(see "Fig. 9").
26
English
Type 8685 / 8686
Electricalinstallation
→
Place the control head on the actuator. As you do, note:
- The dummy plug or pressure-relief valve must be located on the
side of the pneumatic connections of the actuator.
- The switch spindles must lodge inside the recesses on the bottom
of the control head. Do not move the caps onto the switch spindles.
→
Push the control head onto the adaptation body until no gap is
visible on the form seal. Now align the mounting hole of the control
head on each side with the square nut of the adaptation body.
note!
if the torque is too high when screwing in the fastening screw
or if the O-ring is missing, degree of protection ip65 / ip67 is
not ensured.
▶ The fastening screw may only be tightened to a maximum torque
of 0.5 Nm ± 0.1 Nm.
▶ Check the position of the O-ring.
→
Use the two fastening screws M4 and matching O-rings to
fasten the control head onto the adaptation body (torque:
0.5 Nm ± 0.1 Nm).
When the supply voltage is applied, the control head is operating.
→
Before the device can be used, the basic settings (see section
"10.3.1 Basic settings") must still be made on the control head.