Start-Up And Configuration; Initializing The Actuator - Samson 3374 Series Mounting And Operating Instructions

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7 Start-up and configuration

WARNING

Risk of injury due to the actuator stem extending or retracting.

Î Do not touch or block the actuator stem.

NOTICE

The process is disturbed by the movement of the actuator stem.

Î Do not perform the initialization while the process is running. First isolate the plant by

closing the shut-off valves.

NOTICE

Risk of malfunction through changing the position of the gears.

It is not necessary to make any changes to the mechanical parts inside of the actuator. The

actuator is ready to use in the delivered state after the supply voltage is connected.

The initialization is performed in Code 5. During initialization, the actuator stem moves from

its current position to the 100 % end position. Starting from the 100 % end position, the actu-

ator stem moves to the 0 % end position.

Note

Initialization is not possible in manual mode.

Note

The 0 % and 100 % end positions depend on the operating direction used (see Annex A).

Î Before initialization, mount the actuator on the valve as described in the 'Installation' sec-

tion.

Î Set the automatic mode (see the 'Operation' section).

EB 8331-4 EN

Start-up and configuration

7-1

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