Burkert 8694 REV.2 Operating Instructions Manual page 43

Type 8694 REV.2
Installation
3. Install pneumatic connection between positioner and actuator
Pilot air outlet 2
Pilot air outlet 2
Upper pilot air
Lower pilot air
Figure 27: Installing the positioner
→
Screw the plug-in hose connectors onto the positioner and the actuator.
→
Using the hoses supplied in the accessory kit, make the pneumatic connection between the positioner
and actuator with the following "Table 17: Pneumatic connection to actuator, CFA" or "Table 18: Pneu-
matic connection to actuator, CFB".
ATTENTION!
Damage or malfunction due to ingress of dirt and moisture.
To observe degree of protection 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 22 which is not required with a plug and feed the free pilot air port of the actuator
via a hose into a dry environment.
Control function A (CFA)
Process valve closed in rest position (by spring force)
Actuator size
Pilot air outlet
Upper pilot air port
Lower pilot air port
Dry area
Table 17: Pneumatic connection to actuator, CFA
1
2
port
port
2
2
Example ∅ 80, CFA
∅ 80, ∅ 100
2
1
english
∅ 125
2 2
2 1
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