Burkert Type 8694 - Manual (Page 11)

11
Installation
4.5. Pneumatic connection to
actuator
→
Using the hoses supplied in the accessory kit, make the pneu-
matic connection between the positioner and actuator with the
following "“Tab. 1: Pneumatic connection to actuator”".
NOTE!
Damage or malfunction due to ingress of dirt and moisture!
• To comply with protection class IP65 / IP67, connect the con-
trol air connection (for CF A und CF B) which is not required to
the free chamber of the actuator or seal with a plug.
Control air connection 2
1
Control air connection 2
2
upper chamber
lower chamber
Fig. 10: Pneumatic connection to actuator
Control function Pneumatic connection
Type 869x to actuator
Control air
connection
Type 869x
Actuator input
A
Process valve
closed in rest
position
(by spring force) 2
1
lower chamber of the
actuator
2
2
Should be connected
to the upper chamber
of the actuator
B
Process valve open
in rest position
(by spring force)
2
1
upper chamber of the
actuator
2
2
Should be connected
to the lower chamber
of the actuator
I
Process valve
closed in rest
position 2
1
lower chamber of the
actuator
2
2
upper chamber of the
actuator
Process valve open
in rest position
2
1
upper chamber of the
actuator
2
2
lower chamber of the
actuator
Tab. 1: Pneumatic connection to actuator
english
Types 8692, 8693, 8694