Samson 3730 Series - Pneumatic Connection

5-40 EB 8384-3 EN
Installation
5.11 Pneumatic connection
Risk of injury by possible movement of ex-
posed parts (positioner, actuator or valve)
after connecting the signal pressure.
Î Do not touch or block exposed moving
parts.
Incorrect connection of the supply air will
damage the positioner and will lead to
malfunction.
Î Screw the screw ttings (Supply and Out-
put) into the connecting plate, pressure
gauge mounting block or connection
block from the accessories.
Î Never screw threaded parts directly into
housing!
The pneumatic ports are located on the back
ofthepositioner(seeFig.5-30).
Supply 9Output 38
*
Supply 9Output38
* Additional vent hole only in
Type3730-3xxxxxxxx60xx and
Type3730-3xxxxxxxx70xx
Fig.5-30: Pneumatic connections
Connecting the supply air
Before performing the pneumatic connection,
make sure the following conditions are met:
− The positioner is properly mounted onto
the control valve.
If this is the case:
Î Connect the pneumatic connections in
the connecting plate, pressure gauge
mounting block and connection block
(optionally designed as a bore with
¼NPTorG¼thread).Customaryt-
tings for metal or copper tubing or plas-
tic hoses can be used.
WARNING
!
NOTICE
!