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EB 8384-2 EN 83

Mounting and start-up

5.15 Pneumatic connections

Risk of injury by possible movement of ex-

posed parts (positioner, actuator or valve)

after connecting the signal pressure.

Do not touch or block exposed moving parts.

Incorrect connection of the supply air will

damage the positioner and will lead to mal-

function.

Screw the screw ttings into the connecting

plate, pressure gauge mounting block or

connection block from the accessories.

The pneumatic ports are located on the back

ofthepositioner(seeFig.32).

Risk of malfunction due to failure to comply

with required air quality.

Only use supply air that is dry and free of oil

and dust.

Read the maintenance instructions for up-

stream pressure reducing stations.

Blow through all air pipes and hoses thor-

oughly before connecting them.

Supply 9Output 38

Supply 9

Output 38

Fig.32: Pneumatic connections

5.15.1 Connecting the supply

air

Risk of malfunction due to incorrect sequence

of mounting, installation and start-up.

Keep the following sequence.

1. Remove the protective caps from the

pneumatic connections.

2. Mount the positioner on the valve.

3. Connect the supply air.

4. Connect the electrical power.

5. Perform settings.

WARNING

NOTICE

Samson 373 Series User Manual

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