Burkert Type 8694 - Manual (Page 13)

13
Installation
7.3. Installing the positioner on process
valves belonging to series 26xx and
27xx
Procedure:
Guide rail
Puck holder
Fig. 6: Aligning the puck holder
→
Push the positioner onto the actuator. The puck holder must be
aligned in such a way that it is inserted into the guide rail of the
positioner.
NOTE!
Damaged printed circuit board or malfunction!
• Ensure that the puck holder is situated flat on the guide rail.
→
Press the positioner all the way down as far as the actuator and
turn it into the required position.
Ensure that the pneumatic connections of the positioner
and those of the actuator are situated preferably vertically
one above the other (see “Fig. 7”).
NOTE!
Too high torque when screwing in the fastening screw does
not ensure protection class IP65 / IP67!
• The fastening screws may be tightened to a maximum torque of
0.5 Nm only.
→
Attach the positioner to the actuator using the two side fastening
screws. In doing so, tighten the screws only hand-tight (max.
torque: 0.5 Nm).
NOTE!
Damage or malfunction due to ingress of dirt and moisture!
To observe protection class IP65 / IP67:
• In the case of actuator size
∅ 80, ∅ 100
connect the pilot air outlet which is not required to the free pilot
air port of the actuator or seal with a plug.
• In the case of actuator size ∅ 125
seal the pilot air outlet 2
2
which is not required with a plug and
feed the free pilot air port of the actuator via a hose into a dry
environment.
english
Type 8694