Samson TROVIS 3730-1, Translation Of Original Instructions

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EB 8484-1 EN 5-33
Installation
5.7.1 Supply air
Sudden loud noise when the pneumatic ac-
tuator vents.
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Wear hearing protection when working
near the valve.
Risk of malfunction due to incorrect se-
quence of mounting, installation and
start-up.
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Observe 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.
The pneumatic connections in the connecting
plate, pressure gauge mounting block and
connection block are optionally designed as
a bore with ¼ NPT or G ¼ thread. Custom -
ary fittings for metal or copper tubing or
plastic hoses can be used.
Î
Read instructions in section 5.7.
5.7.2 Signal pressure connec -
tion
The signal pressure connection depends on
how the positioner is mounted onto the actu-
ator:
Type 3277 Actuator
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The signal pressure connection is fixed.
Attachment according to IEC 60534-6
(NAMUR)
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For "actuator stem retracts" fail-safe ac-
tion: connect the signal pressure to the
connection on top of the actuator.
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For "actuator stem extends" fail-safe ac-
tion: connect the signal pressure to the
connection on bottom of the actuator.
Rotary actuators (heavy-duty version)
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For rotary actuators, the manufacturer's
specifications for connection apply.
5.7.3 Signal pressure reading
To monitor the supply air and signal pres-
sure, we recommend mounting pressure
gauges (see accessories in section 5.9).
Mounting the pressure gauges:
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See section 5.6.2 and Fig. 5-10.
WARNING !
NOTICE !
Tip