Table Of Contents - Samson 3374 Mounting And Operation Instructions

1 Safety instructions and measures ................................................................1-1
1.1 Notes on possible severe personal injury ......................................................1-4
1.2 Notes on possible personal injury ................................................................1-5
1.3 Notes on possible property damage .............................................................1-6
2 Markings on the device ..............................................................................2-1
2.1 Nameplate .................................................................................................2-1
3 Design and principle of operation ...............................................................3-1
3.1 Fail-safe action ...........................................................................................3-1
3.2 Versions .....................................................................................................3-1
3.3 Additional equipment ..................................................................................3-2
3.4 Technical data ............................................................................................3-3
3.5 Dimensions .................................................................................................3-5
4 Shipment and on-site transport ...................................................................4-1
4.1 Accepting the delivered goods .....................................................................4-1
4.2 Removing the packaging from the actuator ...................................................4-1
4.3 Transporting the actuator .............................................................................4-1
4.4 Lifting the actuator ......................................................................................4-1
4.5 Storing the actuator .....................................................................................4-2
5 Installation .................................................................................................5-1
5.1 Installation conditions ..................................................................................5-1
5.2 Preparation for installation ...........................................................................5-2
5.3 Mounting the actuator .................................................................................5-2
5.3.1 Construction with integrated yoke (form B) ....................................................5-2
5.3.2 Construction with ring nut (form A) ...............................................................5-4
5.4 Installing the control valve into the pipeline ...................................................5-7
5.5 Installing additional equipment ....................................................................5-7
5.5.1 Retrofitting limit contacts ..............................................................................5-7
5.5.2 Installing the resistance transmitters ............................................................5-13
5.6 Electrical connection ..................................................................................5-17
6 Start-up .....................................................................................................6-1
6.1 Adjusting the limit contacts ..........................................................................6-1
6.2 Adjusting the resistance transmitter ...............................................................6-2
7 Operation ..................................................................................................7-1
7.1 Three-step mode .........................................................................................7-1
7.2 Mechanical override ...................................................................................7-1
8 Malfunctions ..............................................................................................8-1
8.1 Emergency action .......................................................................................8-1
9 Servicing....................................................................................................9-1
EB 8331-3 EN
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