Burkert 2509 Betriebsanleitung - Seite 2
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Pin assignment
Details of the pin assignment can be found in the data
sheet for the corresponding valve.
3
ASSEMBLY
3.1
Safety instructions
WARNING!
Risk of injury from improper assembly.
▶ Assembly may only be carried out by authorized
technicians and with the appropriate tools.
Risk of injury from unintentional activation of the
system and uncontrolled restart.
▶ Secure system against unintentional activation.
▶ Following assembly, ensure a controlled restart.
3.2
Electrical connection
DANGER!
Risk of electric shock.
▶ Before reaching into the device, switch off the power
supply and secure to prevent reactivation.
▶ Observe applicable accident prevention and safety
regulations for electrical equipment.
7 mm max.
approx. 100 mm
Figure 1:
Remove cable insulation
→
Remove cable insulation to a length of approx. 100
mm (see „Figure 1").
→
Remove contact insert from housing (see „Figure 2").
→
Feed wire conductors under the strain relief through
the housing.
→
Remove the insulation from the wire conductors to a
max. length of 7 mm (1/4 ") (see „Figure 1").
→
Connect the cable plug in accordance with the pin
assignment of the valve. Tighten the screws on the
terminals to
max. 0.5 Nm (4.4 in-lb).
→
Re-fit the contact insert into the housing.
english
→
Lay the wire conductors beside one another under
the strain relief. Tighten the screws on the strain relief
to max. 0.5 Nm (4.4 in-lb).
→
Fit the cover and screw onto the housing.
Clamping piece
Cover
Screw
Figure 2:
Exploded view of cable plug Type 2509
3.3
Installing the cable plug
WARNING!
Risk of short circuit if the screw connection is not
sealed.
▶ Install in accordance with the National Electrical
Code (NEC) or Canadian Electrical Code (CEC), and
any applicable local codes, based on the installation
location.
▶ Ensure that the seal is fitted correctly.
▶ Carefully attach the cable plug.
The cable outlet can be rotated by 4 x 90°.
max. 6.75 Nm
Figure 3:
Installing the cable plug
→
Fit the conduit connection and tighten the screw con-
nection. Observe tightening torque of max. 6.75 Nm
(60 in-lb).
→
Use screw to attach the cable plug to the coil.
Observe tightening torque of max. 1.0 Nm (8.8 in-lb).
Seal
Contact insert
Housing
Strain relief
max. 1 Nm
Seal