Samson 3374 Mounting And Operating Instructions - page 3
Contents
EB 8331-3 EN
3
1
Safety instructions and measures ...................................................................5
1.1
Notes on possible severe personal injury .........................................................7
1.2
Notes on possible personal injury ...................................................................8
1.3
Notes on possible property damage ................................................................8
2
Markings on the device .................................................................................9
2.1 Nameplate ....................................................................................................9
3
Design and principle of operation ................................................................10
3.1 Versions ......................................................................................................10
3.2
Additional equipment ...................................................................................11
3.2.1
Mechanical limit contacts ..............................................................................11
3.2.2
Resistance transmitter ...................................................................................11
3.3
Manual override ..........................................................................................11
3.4
Technical data .............................................................................................12
3.5
Dimensions in mm ........................................................................................14
4
Measures for preparation ............................................................................16
4.1 Unpacking ..................................................................................................16
4.2
Transporting and lifting ................................................................................16
4.2.1 Transporting ................................................................................................16
4.2.2 Lifting ..........................................................................................................16
4.3 Storage .......................................................................................................16
5
Mounting and start-up .................................................................................17
5.1
Mounting the actuator onto the valve .............................................................17
5.1.1
Mounting position ........................................................................................17
5.1.2
Construction with integrated yoke ..................................................................18
5.1.3
Construction with ring nut .............................................................................18
5.2
Electrical connections ...................................................................................20
5.2.1
Connecting the power supply ........................................................................20
6
Additional functions ....................................................................................22
6.1
Mechanical limit contacts ..............................................................................22
6.1.1
Retrofittinglimitcontacts(withoutresistancetransmitters) .................................22
6.1.2
Retrofitting(whenresistancetransmittersarealreadyinstalled) .........................26
6.1.3
Adjusting the limit contacts ...........................................................................26
6.2
Resistance transmitters ..................................................................................28
6.2.1
Installing the resistance transmitters ...............................................................28
6.2.2
Retrofitting(withoutlimitcontacts) ..................................................................28
6.2.3
Installing the resistance transmitters (when limit contacts are already installed) ..30
6.2.4
Adjusting the resistance transmitters ..............................................................31