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Stahl 8146/5041 Series Operating Instructions Manual

(double) temperature controller and limiter
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(Double) temperature controller and
limiter
Series 8146/5041, 8146/5051
Operating instructions
Additional languages www.stahl-ex.com
EN
EN
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EN
EN
EN
EN
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Summary of Contents for Stahl 8146/5041 Series

  • Page 1 Operating instructions Additional languages www.stahl-ex.com (Double) temperature controller and limiter Series 8146/5041, 8146/5051...

  • Page 2: Table Of Contents

    Contents General Information ....................3 Manufacturer .......................3 Information regarding the operating instructions ..........3 Further documents ....................3 Conformity with standards and regulations ............3 Explanation of the symbols .................4 Symbols in these operating instructions .............4 Warning notes .....................4 Symbols on the device ..................5 Safety notes ......................5 Operating instructions storage ................5 Safe use ......................5...

  • Page 3: General Information

    They are legally binding in all legal affairs. Further documents • Data sheet For further languages, see www.stahl-ex.com. Conformity with standards and regulations See certificates and EC Declaration of Conformity: www.stahl-ex.com. 240634 / 8146662300 (Double) temperature controller and 2016-07-11·BA00·III·en·02 limiter...

  • Page 4: Explanation Of The Symbols

    Explanation of the symbols Explanation of the symbols Symbols in these operating instructions Symbol Meaning Tips and recommendations on the use of the device General danger Danger due to explosive atmosphere Danger due to energised parts Warning notes Warning notes must be observed under all circumstances, in order to minimize the risk due to construction and operation.

  • Page 5: Symbols On The Device

    • During installation and operation observe the information (characteristic values and rated operating conditions) on the rating, data and information plates located on the device. • Always consult with R. STAHL Schaltgeräte GmbH in case of operating conditions which deviate from the technical data. Modifications and alterations...

  • Page 6: Function

    Function and device design Function Series 8146/5041 is a temperature controller and limiter with a liquid-filled measuring system. The change-over contact is activated due to temperature related volume changes. In case of leakage of the measuring system, the temperature controller switches off permanently.
  • Page 7 Technical data Technical data Explosion Protection Global (IECEx) Gas and dust IECEx PTB 06.0090 Ex db eb IIC T* Gb Ex tb IIIC T** Db Europe (ATEX) Gas and dust PTB 01 ATEX 1024 E II 2 G Ex db eb IIC T* Gb E II 2 D Ex tb IIIC T** Db * T6, T5, T4, (T3, T2 sensor only) ** T80 °C, T95°C, T130 °C...

  • Page 8: En Technical Data

    Technical data Technical Data Ambient conditions Ambient temperature max. fuse Heat resistance max. ambient T-Class protection of conductor temperature -45 ... 16 A +50 °C T5 / 95 °C 16 A ) +90 °C +80 °C T5 / 95 °C 25 A +40 °C T6 / 80 °C...
  • Page 9 Technical data Technical Data Electrical data Version STB25A temperature limiter STB25A temperature limiter Adjustment range +50 ... +300 °C 0 ... +200 °C Type of circuitry NC terminal NO terminal NC terminal NO terminal 1 ... 2 1 ... 4 1 ...
  • Page 10 4 mm 6 mm Length 77 mm 49 mm Permissible sensor temperature Minimum -45 °C -55 °C Maximum +345 °C +230 °C For further technical data, see www.stahl-ex.com. (Double) temperature controller and 240634 / 8146662300 limiter 2016-07-11·BA00·III·en·02 Series 8146/5041, 8146/5051...

  • Page 11: En 6 Transport And Storage

    Transport and storage Transport and storage • Transport and store the device only in the original packaging. • Store the device in a dry place (no condensation) and vibration-free. • Do not drop the device. Mounting and installation Dimensions / fastening dimensions Dimensional drawings (all dimensions in mm) - subject to alterations 112,50 [4,43] 104 [4,09]...
  • Page 12 Mounting and installation NOTE Material damage or malfuntion of the temperature sensor if mounted incorrectly. • Mount and operate the device using suitable protective tubes. Exception: operating medium air. • Completely immerse the device into the operating medium • For thermostats with capillary: sensor must be secured against sliding out by means of a clamping bracket.

  • Page 13: Installation

    Ex e terminal compartment. To prevent condensation in the enclosure, we recommend using a breather, type 8162 by R. STAHL Schaltgeräte GmbH. By using a breather and depending on its mounting position, the degree of protection acc. to IEC 60529 is reduced. If mounted lateral, the degree of protection is IP64, if opening of breather is installed downwards, it is IP56.
  • Page 14 Mounting and installation 7.3.1 Back-up fuse • Secure the system by means of the specified electric back-up fuse. • Ensure sufficient short-circuit current in the system. 7.3.2 Internal wiring WARNING Risk of electric shock (short circuit) due to incorrectly dimensioned cables and conductors! Non-compliance can result in severe or fatal injuries.
  • Page 15 Mounting and installation Terminal blocks in Ex e enclosure Observe the following when working on terminal blocks: • Observe the test certificate of the terminals. • Terminal bridging is only permitted if original Ex accessories are used. • If necessary, retrofit required partitions. •...

  • Page 16: En 8 Commissioning

    Commissioning Connection to the mains • Open the enclosure (see chapter "Mounting/dismounting, operating position"). • Guide the connection lines into the connection chamber using the cable glands. • Lay the connecting wires in the terminal compartment in such a way that the permissible bending radii do not drop below the minimum.

  • Page 17: Adjustment Of Temperature Controller

    Operation Adjustment of temperature controller Setpoint adjustment of temperature controller • Adjust the desired setpoint on the temperature scale using a screwdriver. 16648E00 Adjustments of limiting values for temperature limiter • A functional test is reequired, according to the relevant regulations, e.g. 94/9 EG. Setting the limit value according to the scale •...

  • Page 18: Maintenance And Repair

    Maintenance and repair What to do if the measuring system breaks If the measuring system is destroyed, i.e., if the expansion liquid escapes, the pressure in the membrane will drop and permanently opens the circuit of the temperature controller and temperature limiter. The temperature limiter can no longer be unlocked. What to do if the temperature is below normal If the sensor of the temperature controller or limiter has cooled down to temperatures below approx.

  • Page 19: 10.2 Maintenance

    10.4 Returning the device Use the "Service form" to return the device when repair/service is required. On the internet site "www.stahl-ex.com" under "Downloads > Customer service": • Download the service form and fill it out. • Send the device along with the service form in the original packaging to R.

  • Page 20: Disposal

    Malfunction or damage to the device due to the use of non-original components. Non-compliance can result in material damage. • Use only original accessories and spare parts from R. STAHL Schaltgeräte GmbH. For accessories and spare parts, see data sheet on our homepage www.stahl-ex.com.

This manual is also suitable for:

8146/5051 series

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