Connecting The Cable - Burkert 3320 Manuel D'utilisation

Type 3320, 3321
Installing the valve
Remove the LED and storage module:
Fastening
screws
Metal housing
of LED and
storage module
Fig. 14: Remove the LED and storage module and remove the actuator
cover
3. Removing actuator cover:
→ Loosen the 4 fastening screws (hexalobular-internal
screws T25).
The screws are integrated securely in the actuator cover.
→ Remove the actuator cover.
The connection terminals are now accessible.
Removing actuator cover:
Actuator cover
Fastening screws
8.3.3

Connecting the cable

→ Push the cable through the cable gland.
NOTE!
Take note for connection to spring-loaded terminals.
▶ Minimum length of wire ferrules: 8 mm
▶ Maximum cross-section of wire ferrules: 1.5 mm
2
(uncollared), 0.75 mm (collared).
→ Strip at least 8 mm of insulation from the wires and crimp
ferrules on.
→ Attach the wires to the terminals. The terminal layout is pro-
vided in the tables below from Page 28.
→ Tighten union nut of cable gland (tightening torque
approx. 1.5 Nm).
NOTE!
The ingress of dirt or moisture may cause damage or
malfunction.
To preserve IP65 protection, ensure the following:
▶ Unused cable glands must be sealed using dummy plugs.
▶ The union nuts of cable glands must be tightened. Tighten-
ing torque, dependent on the cable size or dummy plugs,
approx. 1.5 Nm.
English
2
27