Burkert Type 8694 User Manual

Page 38

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38

Installation

3. Install pneumatic connection between positioner and actuator

Pilot air outlet 2

1

Pilot air outlet 2

2

Upper pilot air port

Lower pilot air port

Example ∅ 80, CFA

Figure 23:

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 13: Pneumatic connection to actuator - CFA” or “Table 14: Pneumatic con-
nection to actuator - CFB”.

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 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

∅ 80, ∅ 100

∅ 125

P

ositioner

Pilot air outlet

2

2

2

1

2

2

2

1

Actuator

Upper pilot air port

Lower pilot air port

Dry area

Table 13:

Pneumatic connection to actuator - CFA

English

Type 8694

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