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Manual Samson EB 8331-1 EN

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Summary
  • Samson EB 8331-1 EN - page 1

    Electric Actuator Type 3374 Mounting and Operating Instructions EB 8331-1 EN Ed i t io n Oct o ber 2007 Fig. 1 · Type 3374 Actuator mounted on a Type 3535 Three-way Valve ...

  • Samson EB 8331-1 EN - page 2

    Contents Page 1 Design and principle of operation . . . . . . . . . . . . . . . . . . . 5 1.1 Additional equipment . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.2 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.1 Mounting position . ...

  • Samson EB 8331-1 EN - page 3

    EB 8331-1 EN 3 Safety instructions General safety instructions 4 Assembly, start-up and operation of this device may only be performed by trained and experienced personnel familiar with the product. According to these mounting and operating instructions, trained personnel refers to individuals who are able to judge the work they are assigned to and ...

  • Samson EB 8331-1 EN - page 4

    4 EB 8331-1 EN Note: Actuators with a CE marking fulfill the requirements of the Directives 94/9/EC and 89/336/EEC. The Declaration of Conformity is available on request. ...

  • Samson EB 8331-1 EN - page 5

    1 Design and principle of operation The Type 3374 Electric Actuator is used in industrial plants as well as in heating, venti - lation and air-conditioning systems. The linear actuator is suitable for form-fit at - tachment to various SAMSON valve series, depending on the version with or without fail-safe action. The actuators consist of a reversib ...

  • Samson EB 8331-1 EN - page 6

    1.2 Technical data 6 EB 8331-1 EN Design and principle of operation Actuator Type 3374 -10 -11 -15 -21 -26 -31 -36 Version with Yoke Ring nut Yoke Ring nut Yoke Ring nut Safety function Without Stem extends Stem retracts Rated travel mm 30 15 30/15 15 Actuating time for rated travel s 240 120 240/120 120 Actuating time in case of fail-safe action s ...

  • Samson EB 8331-1 EN - page 7

    EB 8331-1 EN 7 Design and principle of operation Digital positioner 1) Operating mode 1 Operating mode 2 Operating mode 3 Input variable 2) Range 4...20 mA, Ri = 0.05 k Ω 2...10 V, Ri = 10 k Ω 0...20 mA, Ri = 0.05 k Ω 0...10 V, Ri = 10 k Ω As per settings 3) Resolution 10 Bit Position feedback signal 4) 5) Range 4...20 mA, R B 0.2 ≤ k Ω 2... ...

  • Samson EB 8331-1 EN - page 8

    2 Installation 2.1 Mounting position Installation depends on the mounting posi - tion of the valve. However, do not install the actuator suspended downwards. Note! Manual override is only possible in actua - tors with fail-safe action when the power supply is connected (see section 4.1). 2.2 Attachment to the valve Series V 2001 (DN 15 to 80), Type ...

  • Samson EB 8331-1 EN - page 9

    EB 8331-1 EN 9 Installation Fig. 2 · Attachment to the valve 1 2.1 3 4 5 6 x 1 2.3 7 3 4 8 9 10 5 1 2.2 7 3 10 4 5 Attachment to Series V 2001, Type 3260 DN 65 to 150 and Type 3214 DN 65 to 100 Attachment to Series 240 Attachment to Type 3214 DN 125 to 250 1 Actuator 2.1 Actuator yoke 2.2 Valve yoke 2.3 Bonnet 3 Actuator stem 4 Stem connector 5 Pl ...

  • Samson EB 8331-1 EN - page 10

    3 Electrical connections Upon installation of the electric ca - bles, you are required to observe the regulations concerning electrical power installations according to DIN VDE 0100 as well as the regulations of your local power supplier. Establish electrical connections as indicated on the circuit diagram on the actuator cover and as illustrated i ...

  • Samson EB 8331-1 EN - page 11

    Caution! 4 Only connect to the main power network when the power is switched off. 4 Only use power interruption devices which ensure that the power cannot be switched on again unintentionally. 4 Particularly for 24 V, 50 Hz actuators, use wires with a sufficiently large cross-section to guarantee that the per - missible voltage tolerances are not e ...

  • Samson EB 8331-1 EN - page 12

    4 Operation and setting 4.1 Manual operation of the actuator To operate the manual override, place 4 mm hex wrench on the red actuator shaft located at the side of the housing. The hex wrench is delivered with the actuator. It is attached to the bottom of the housing. Manual override is only possible in actua - tors with fail-safe action when the p ...

  • Samson EB 8331-1 EN - page 13

    EB 8331-1 EN 13 Operation and setting Fig. 5 · Performing settings 12 3 7 5 13 12.1 aa e 12 Nennhub 15 13.1 B Limit switch Stem retracts Metal tag Rated travel inscription Stem extends 1 Microswitch 2 Spindle upwards 3 Spindle downwards 5 Intermediate gear 7 Cam bracket 12 Gear potentiometer 1 12.1 Potentiometer shaft 13 Gear potentiometer 2 13.1 ...

  • Samson EB 8331-1 EN - page 14

    4.3 Setting the digital positioner In the actuator version with digital positioner, the travel is calibrated automati - cally, allowing the travel (controlled variable x) and the input signal (reference variable w) of the positioner to be matched in the best possible way. Additionally, the digital positioner provides valve position feedback for rem ...

  • Samson EB 8331-1 EN - page 15

    Press the button briefly to obtain a travel calibration for valve CLOSED when the actu - ator stem extends . Direction of action: Increasing/increasing. Hold the button pressed for longer than 3 seconds (indicated by switchover from sig - nal lamp 8 to signal lamp 9) to obtain a travel calibration for valve CLOSED when the actuator stem retracts . ...

  • Samson EB 8331-1 EN - page 16

    as it will go to the valve's CLOSED position. Calibration is carried out when both signal lamps (8 and 9) are lit. Travel calibration starts after the mounting position of the potentiometer gear (12) has been determined automatically. This is indi - cated by signal lamp (8) for 6 to 35 mm travel and by signal lamp (9) for 6 to 20 mm travel. Wh ...

  • Samson EB 8331-1 EN - page 17

    Setting with limited travel range Travel calibration is usually based on the maximum travel of the control valve. If, however, the maximum possible travel is to be limited to a smaller travel end value, press the button (4) once at the start of cali - bration while the signal lamp blinks for 10 seconds. As a result, travel calibration via the poten ...

  • Samson EB 8331-1 EN - page 18

    5.1 Limit switches The retrofit kit (order no. 1400-8830 ) is re - quired to install limit switches. If the actuator is not already equipped with potentiometers or a positioner, the basic unit (order no. 1400-8829 ) is also required. The unit in - cludes the spindle gear (2) and the interme - diate gear (5). Note! To mount the limit switches, the a ...

  • Samson EB 8331-1 EN - page 19

    EB 8331-1 EN 19 Retrofitting additional electrical equipment Fig. 7 · Retrofitting limit switches, in this example model 3374-11000002000, version with potentiometers 7 7 5 12 8 6 6 B B 1 Actuator board 2 Spindle gear 3 Sleeve 4 Spindle 5 Intermediate gear 6 Contact cam 7 Cam bracket 8 Adjustment gear 9 Spacer 10 Serrated ring 11 Terminal board wi ...

  • Samson EB 8331-1 EN - page 20

    5.2 Potentiometers Actuators with a digital positioner cannot be equipped with potentiometers. To install the potentiometers, an actuator board with the appropriate potentiometers and gears (12 and 13) is required. If the actuator is not already equipped with limit switches, the basic unit (order no. 1400-8829 ) is also required. The unit in - clud ...

  • Samson EB 8331-1 EN - page 21

    5.3 Digital positioner To install a positioner, a corresponding ac - tuator board and TROVIS-VIEW 3374 and connecting cable 0450-1978 are necessary. If the actuator is not already equipped with limit switches, the basic unit (order no. 1400-8829 ) is also required. The unit in - cludes the spindle gear (2) and the interme - diate gear (5). Note! Ac ...

  • Samson EB 8331-1 EN - page 22

    5.3.1 Calibrating the positioner To calibrate the positioner, proceed as de - scribed in section 4 of EB 8331-2 EN. 5.3.2 Simplest method to calibrate the actuator If tools such as the TROVIS-VIEW software, PC etc. are not available for calibration of the actuator and the actuator operation with maximum precision is not necessary, the simplest cali ...

  • Samson EB 8331-1 EN - page 23

    6 Dimensions in mm EB 8331-1 EN 23 Dimensions in mm 120 50 15 (30) 294 60 193 90 (75) 204 30 (15) Version with yoke Version with ring nut Stem connector ...

  • Samson EB 8331-1 EN - page 24

    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 8331-1 EN S/Z 2007-10 ...

Manufacturer Samson Category Automobile Parts

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All of them are important, but the most important information from the point of view of use of the device are in the user manual Samson EB 8331-1 EN.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Samson EB 8331-1 EN by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Samson EB 8331-1 EN.

A complete Samson manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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