Burkert 8695 Operating Instructions Manual page 25

Type 8695
Installation
3. Install pneumatic connection between control head and actuator
Figure 15: Installing the pneumatic connection between control head and actuator, series 20xx
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Screw the plug-in hose connectors onto the control head and the actuator.
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Using the hoses supplied in the accessory kit, make the pneumatic connection between the control head and
actuator with the following "Table 1: Pneumatic connection to actuator CFA and CFB" or "Table 2: Pneumatic
connection to actuator CFI".
NOTE!
Damage or malfunction due to ingress of dirt and moisture.
▶ To comply with degree of protection IP65 / IP67, connect the pilot air outlet (only for CFA or CFB) which is
not required to the free pilot air port of the actuator or seal with a plug.
"In rest position" means that the pilot valves of the control head Type 8695 are isolated or not actuated.
Control function A (CFA)
Process valve closed in rest position (by spring force)
Control head Pilot air outlet
Actuator
Upper pilot air port
Lower pilot air port
Control function B (CFB)
Process valve open in rest position (by spring force)
Control head Pilot air outlet
Actuator
Upper pilot air port
Lower pilot air port
Table 1: Pneumatic connection to actuator CFA and CFB
Pilot air outlet 2
1
Pilot air outlet 2
2
Upper pilot air port
Lower pilot air port
2 2
2 1
2 2
2 1
2 2
2 1
or
2 2
2 1
or
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