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Samson 3374 Mounting And Operating Instructions

Manual is about: Electric Actuator Version with positioner, revision 2

Summary of 3374

  • Page 1

    Mounting and operating instructions eb 8331-3 en edition september 2012 electric actuator type 3374 three-point stepping version.

  • Page 2

    2 eb 8331-3 en definition of the signal words used in these mounting and operating instructions danger! Indicates a hazardous situation which, if not avoided, will result in death or serious injury. Warning! Indicates a hazardous situation which, if not avoided, could result in death or serious inju...

  • Page 3

    Eb 8331-3 en 3 contents 1 general safety instructions .............................................................................5 2 design and principle of operation ..................................................................6 2.1 additional equipment .........................................

  • Page 5

    General safety instructions eb 8331-3 en 5 1 general safety instructions for your own safety, follow these instructions concerning the mounting, start up and opera- tion of the actuator: − the device is to be assembled, started up or operated only by trained and experienced per- sonnel familiar with...

  • Page 6: Eration

    Design and principle of operation 6 eb 8331-3 en 2 design and principle of op- eration the type 3374 electric actuator is used in in- dustrial plants as well as in heating, ventila- tion and air-conditioning systems. Theactuatorissuitableforform-fitattachment to various samson valve series, dependin...

  • Page 7: 2.2  Technical Data

    Design and principle of operation eb 8331-3 en 7 2.2 technical data actuator type 3374 -10 -11 -15 -21 -26 -31 -36 version with yoke ring nut yoke ring nut yoke ring nut fail-safe action without stem extends stem retracts rated travel mm 30 15 30 15 transit time for rated travel standard s 240 120 2...

  • Page 8

    Design and principle of operation 8 eb 8331-3 en actuator type 3374 -10 -11 -15 -21 -26 -31 -36 version with yoke ring nut yoke ring nut yoke ring nut fail-safe action without stem extends stem retracts manual override hexwrench·adjustmentnotpossibleafterfail-safeactionhas been triggered manual over...

  • Page 10: 3  Installation

    Installation 10 eb 8331-3 en 3 installation 3.1 mounting position installation depends on the mounting position of the valve. The actuator must not be sus- pended to hang downwards. 3.2 attachment to the valve 3.2.1 construction with inte- grated yoke fig. 1a: attachment to – series v2001 valves (dn...

  • Page 11

    Installation eb 8331-3 en 11 types 3374-10/-11/-21/-31 connection with yoke attachmenttoseriesv2001valves, type3260(dn65to150), type3214(dn65to100) types 3374-15/-26/-36 connection with ring nut attachmenttoseries240valves 1 2.1 3 4 5 6 a x 1 2.3 7 3 4 8 9 10 5 b types 3374-15/-26/-36 connection wit...

  • Page 12: 4  Electrical Connections

    Electrical connections 12 eb 8331-3 en 4 electrical connections danger! − upon installation of the electric ca- bles, you are required to observe the regulations concerning low- voltage installations according to din vde 0100 as well as the regu- lations of your local power supplier. − only connect ...

  • Page 13

    Electrical connections eb 8331-3 en 13 al el n n l n + – l n el al ce ce l 41 44 42 51 54 52 81 82 83 91 92 93 e a a e retracts extends al el n n l n + – l n el al ce ce l 41 44 42 51 54 52 81 82 83 91 92 93 e a a e magnet in version with fail-safe action al el n n l n + – l n el al ce ce l 41 44 42...

  • Page 14: 5  Manual Override

    Manual override 14 eb 8331-3 en 5 manual override tooperatethemanualoverride,placea4 mm hex wrench on the red actuator shaft located at the side of the housing. The hex wrench is included in the scope of delivery. It is attached to the bottom of the housing. Version with fail-safe action manual over...

  • Page 15: 6  Limit Contacts

    Limit contacts eb 8331-3 en 15 6 limit contacts 6.1 retrofitting the limit con- tacts to install the limit contacts, the following retro- fitkitsarerequired: − basic unit order no. 1400-8829 − retrofitkit orderno.1400-8830 when ordering, state the configuration id (var.-id)andthetypedesignationofthe...

  • Page 16: Sistance Transmitters)

    Limit contacts 16 eb 8331-3 en 6.1.1 retrofitting (without re- sistance transmitters) 1. Unscrew screws on housing cover and take the cover off the actuator. 2. Move the actuator stem to the end position depending on the fail-safe action "actu- ator stem extends" or "actuator stem re- tracts”.Refert...

  • Page 17

    Limit contacts eb 8331-3 en 17 1 2 3 4 8 12 13 17 20 11.1 19 11.2 18 1 intermediate gear 2 spindle gear 3 serrated ring 4 tension spring 8 spacer 11.1 spindle 1 11.2 spindle 2 12 actuator board 13 bearing bushing 17 terminal board 18 adjustment gear 19 contact cam 20 cam holder fig. 5: retrofitting ...

  • Page 18: Tance Transmitters Are

    Limit contacts 18 eb 8331-3 en 6.1.2 retrofitting (when resis- tance transmitters are already installed) 1. Unscrew screws on housing cover and take the cover off the actuator. 2. Move the actuator stem to the end position depending on the fail-safe action "actu- ator stem extends" or "actuator stem...

  • Page 19

    Limit contacts eb 8331-3 en 19 6.2 adjusting the limit contacts 1. Unscrew screws on housing cover and take the cover off the actuator. 2. Connect power supply. 3. Use the motor or manual override to move the actuator stem to the point at which the contact should react. 4. Usethe4 mmhexwrenchtoturns...

  • Page 20: 7  Resistance Transmitters

    Resistance transmitters 20 eb 8331-3 en 7 resistance transmitters 7.1 retrofitting the resistance transmitters an actuator board with corresponding resis- tance transmitters and gear wheels is required forresistancetransmitterretrofit.Whichactu- ator board is to be used depends on the ac- tuator typ...

  • Page 21

    Resistance transmitters eb 8331-3 en 21 1 intermediate gear 2 spindle gear 3 serrated ring 4 tension spring 6 serrated ring 10 shim 11.1 spindle 1 11.2 spindle 2 11.3 spindle 3 11.4 spindle 4 12 actuator board 13 bearing bushing 22 gear for potentiometer 1 23 gear for potentiometer 2 11.2 6 4 10 3 1...

  • Page 22: Contacts Are Already In-

    Resistance transmitters 22 eb 8331-3 en 7.1.2 retrofitting (when limit contacts are already in- stalled) 1. Unscrew screws on housing cover and take the cover off the actuator. 2. Move the actuator stem to the end position depending on the fail-safe action "actu- ator stem extends" or "actuator stem...

  • Page 23: Transmitters

    Resistance transmitters eb 8331-3 en 23 7.2 calibrating the resistance transmitters thegearsofthepotentiometers(22)and(23) must be put onto their shafts to correspond with the rated travel of the valve. The rated travel inscription 'a' 30 mm for rated travel or'b'for15 mmratedtravelmustbelegible. If...

  • Page 24: 8  Dimensions In Mm

    Dimensions in mm 24 eb 8331-3 en 8 dimensions in mm types 3374-10/-11/-21/-31 connection with yoke 120 50 15 (30) 294 60 193 types 3374-15/-26/-36 connection with ring nut 90 (75) 204 30 (15) fig. 10: dimensions in mm.

  • Page 25: 9  Nameplate

    Nameplate eb 8331-3 en 25 9 nameplate 2011 0062 samson 3374-15 var-id made in germany serial no. Elektrischer antrieb electric actuator servomoteur électrique f v v ac a ma s f firmware v 1 u p f : : : : : : : v ac a 0(4)...20 ma dc; 0(2)...10 v dc; digital positioner r =50 i r =20 k i 2 3 15a 13b 1...

  • Page 26: 11  Appendix

    Appendix 26 eb 8331-3 en 11 appendix table 1: actuator boards (order number 1180-96xx) available for retrofitting resistance transmitters type 3374 -10 -11 -15 -21 -26 -31 -36 power supply 230v/50hz tr ansit t ime 60 s – 1180-9604 – 1180-9610 120 s 1180-9604 1180-9601 1180-9604 1180-9607 240 s 1180-...

  • Page 27

    Appendix eb 8331-3 en 27.

  • Page 28: Eb 8331-3 En

    Samson ag · mess- und regeltechnik weismüllerstraße 3 · 60314 frankfurt am main · germany phone: +49 69 4009-0 · fax: +49 69 4009-1507 internet: http://www.Samson.De eb 8331-3 en 2012-10-12.